merged -r1282:1373 from asterix_stabilization to asterix_lsm_stabilization
git-svn-id: https://asterixdb.googlecode.com/svn/branches/asterix_lsm_stabilization@1384 eaa15691-b419-025a-1212-ee371bd00084
diff --git a/asterix-algebra/src/main/java/edu/uci/ics/asterix/algebra/operators/CommitOperator.java b/asterix-algebra/src/main/java/edu/uci/ics/asterix/algebra/operators/CommitOperator.java
new file mode 100644
index 0000000..98774d2
--- /dev/null
+++ b/asterix-algebra/src/main/java/edu/uci/ics/asterix/algebra/operators/CommitOperator.java
@@ -0,0 +1,66 @@
+/*
+ * Copyright 2009-2012 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package edu.uci.ics.asterix.algebra.operators;
+
+import java.util.Collection;
+import java.util.List;
+
+import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
+import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractExtensibleLogicalOperator;
+import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorExtension;
+import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform;
+
+public class CommitOperator extends AbstractExtensibleLogicalOperator {
+
+ private final List<LogicalVariable> primaryKeyLogicalVars;
+
+ public CommitOperator(List<LogicalVariable> primaryKeyLogicalVars) {
+ this.primaryKeyLogicalVars = primaryKeyLogicalVars;
+ }
+
+ @Override
+ public boolean isMap() {
+ // TODO Auto-generated method stub
+ return false;
+ }
+
+ @Override
+ public IOperatorExtension newInstance() {
+ return new CommitOperator(primaryKeyLogicalVars);
+ }
+
+ @Override
+ public boolean acceptExpressionTransform(ILogicalExpressionReferenceTransform transform) throws AlgebricksException {
+ // TODO Auto-generated method stub
+ return false;
+ }
+
+ @Override
+ public String toString() {
+ return "commit";
+ }
+
+ @Override
+ public void getUsedVariables(Collection<LogicalVariable> usedVars) {
+ usedVars.addAll(primaryKeyLogicalVars);
+ }
+
+ @Override
+ public void getProducedVariables(Collection<LogicalVariable> producedVars) {
+ // No produced variables.
+ }
+}
diff --git a/asterix-algebra/src/main/java/edu/uci/ics/asterix/algebra/operators/physical/CommitPOperator.java b/asterix-algebra/src/main/java/edu/uci/ics/asterix/algebra/operators/physical/CommitPOperator.java
new file mode 100644
index 0000000..ece3db6
--- /dev/null
+++ b/asterix-algebra/src/main/java/edu/uci/ics/asterix/algebra/operators/physical/CommitPOperator.java
@@ -0,0 +1,93 @@
+/*
+ * Copyright 2009-2012 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package edu.uci.ics.asterix.algebra.operators.physical;
+
+import java.util.List;
+
+import edu.uci.ics.asterix.transaction.management.service.transaction.JobId;
+import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
+import edu.uci.ics.hyracks.algebricks.core.algebra.base.IHyracksJobBuilder;
+import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import edu.uci.ics.hyracks.algebricks.core.algebra.base.PhysicalOperatorTag;
+import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IOperatorSchema;
+import edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.AbstractPhysicalOperator;
+import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPhysicalPropertiesVector;
+import edu.uci.ics.hyracks.algebricks.core.algebra.properties.PhysicalRequirements;
+import edu.uci.ics.hyracks.algebricks.core.algebra.properties.StructuralPropertiesVector;
+import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenContext;
+import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.JobGenHelper;
+import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
+
+public class CommitPOperator extends AbstractPhysicalOperator {
+
+ private final List<LogicalVariable> primaryKeyLogicalVars;
+ private final JobId jobId;
+ private final int datasetId;
+ private final boolean isWriteTransaction;
+
+ public CommitPOperator(JobId jobId, int datasetId, List<LogicalVariable> primaryKeyLogicalVars,
+ boolean isWriteTransaction) {
+ this.jobId = jobId;
+ this.datasetId = datasetId;
+ this.primaryKeyLogicalVars = primaryKeyLogicalVars;
+ this.isWriteTransaction = isWriteTransaction;
+ }
+
+ @Override
+ public PhysicalOperatorTag getOperatorTag() {
+ return PhysicalOperatorTag.EXTENSION_OPERATOR;
+ }
+
+ @Override
+ public String toString() {
+ return "COMMIT";
+ }
+
+ @Override
+ public PhysicalRequirements getRequiredPropertiesForChildren(ILogicalOperator op,
+ IPhysicalPropertiesVector reqdByParent) {
+ return emptyUnaryRequirements();
+ }
+
+ @Override
+ public void computeDeliveredProperties(ILogicalOperator op, IOptimizationContext context)
+ throws AlgebricksException {
+ AbstractLogicalOperator op2 = (AbstractLogicalOperator) op.getInputs().get(0).getValue();
+ deliveredProperties = (StructuralPropertiesVector) op2.getDeliveredPhysicalProperties().clone();
+ }
+
+ @Override
+ public void contributeRuntimeOperator(IHyracksJobBuilder builder, JobGenContext context, ILogicalOperator op,
+ IOperatorSchema propagatedSchema, IOperatorSchema[] inputSchemas, IOperatorSchema outerPlanSchema)
+ throws AlgebricksException {
+
+ RecordDescriptor recDesc = JobGenHelper.mkRecordDescriptor(context.getTypeEnvironment(op), propagatedSchema,
+ context);
+ int[] primaryKeyFields = JobGenHelper.variablesToFieldIndexes(primaryKeyLogicalVars, inputSchemas[0]);
+ CommitRuntimeFactory runtime = new CommitRuntimeFactory(jobId, datasetId, primaryKeyFields, isWriteTransaction);
+ builder.contributeMicroOperator(op, runtime, recDesc);
+ ILogicalOperator src = op.getInputs().get(0).getValue();
+ builder.contributeGraphEdge(src, 0, op, 0);
+ }
+
+ @Override
+ public boolean isMicroOperator() {
+ return true;
+ }
+}
diff --git a/asterix-algebra/src/main/java/edu/uci/ics/asterix/algebra/operators/physical/CommitRuntime.java b/asterix-algebra/src/main/java/edu/uci/ics/asterix/algebra/operators/physical/CommitRuntime.java
new file mode 100644
index 0000000..8533e74
--- /dev/null
+++ b/asterix-algebra/src/main/java/edu/uci/ics/asterix/algebra/operators/physical/CommitRuntime.java
@@ -0,0 +1,121 @@
+/*
+ * Copyright 2009-2012 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package edu.uci.ics.asterix.algebra.operators.physical;
+
+import java.nio.ByteBuffer;
+
+import edu.uci.ics.asterix.common.context.AsterixAppRuntimeContext;
+import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
+import edu.uci.ics.asterix.transaction.management.service.transaction.DatasetId;
+import edu.uci.ics.asterix.transaction.management.service.transaction.ITransactionManager;
+import edu.uci.ics.asterix.transaction.management.service.transaction.JobId;
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionContext;
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionContext.TransactionType;
+import edu.uci.ics.hyracks.algebricks.runtime.base.IPushRuntime;
+import edu.uci.ics.hyracks.api.comm.IFrameWriter;
+import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
+import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
+import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
+import edu.uci.ics.hyracks.dataflow.common.data.accessors.FrameTupleReference;
+import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
+import edu.uci.ics.hyracks.storage.am.bloomfilter.impls.MurmurHash128Bit;
+
+public class CommitRuntime implements IPushRuntime {
+
+ private final static long SEED = 0L;
+
+ private final IHyracksTaskContext hyracksTaskCtx;
+ private final ITransactionManager transactionManager;
+ private final JobId jobId;
+ private final DatasetId datasetId;
+ private final int[] primaryKeyFields;
+ private final boolean isWriteTransaction;
+ private final long[] longHashes;
+
+ private TransactionContext transactionContext;
+ private RecordDescriptor inputRecordDesc;
+ private FrameTupleAccessor frameTupleAccessor;
+ private FrameTupleReference frameTupleReference;
+
+ public CommitRuntime(IHyracksTaskContext ctx, JobId jobId, int datasetId, int[] primaryKeyFields,
+ boolean isWriteTransaction) {
+ this.hyracksTaskCtx = ctx;
+ AsterixAppRuntimeContext runtimeCtx = (AsterixAppRuntimeContext) ctx.getJobletContext().getApplicationContext()
+ .getApplicationObject();
+ this.transactionManager = runtimeCtx.getTransactionSubsystem().getTransactionManager();
+ this.jobId = jobId;
+ this.datasetId = new DatasetId(datasetId);
+ this.primaryKeyFields = primaryKeyFields;
+ this.frameTupleReference = new FrameTupleReference();
+ this.isWriteTransaction = isWriteTransaction;
+ this.longHashes= new long[2];
+ }
+
+ @Override
+ public void open() throws HyracksDataException {
+ try {
+ transactionContext = transactionManager.getTransactionContext(jobId);
+ transactionContext.setTransactionType(isWriteTransaction ? TransactionType.READ_WRITE
+ : TransactionType.READ);
+ } catch (ACIDException e) {
+ throw new HyracksDataException(e);
+ }
+ }
+
+ @Override
+ public void nextFrame(ByteBuffer buffer) throws HyracksDataException {
+ int pkHash = 0;
+ frameTupleAccessor.reset(buffer);
+ int nTuple = frameTupleAccessor.getTupleCount();
+ for (int t = 0; t < nTuple; t++) {
+ frameTupleReference.reset(frameTupleAccessor, t);
+ pkHash = computePrimaryKeyHashValue(frameTupleReference, primaryKeyFields);
+ try {
+ transactionManager.commitTransaction(transactionContext, datasetId, pkHash);
+ } catch (ACIDException e) {
+ throw new HyracksDataException(e);
+ }
+ }
+ }
+
+ private int computePrimaryKeyHashValue(ITupleReference tuple, int[] primaryKeyFields) {
+ MurmurHash128Bit.hash3_x64_128(tuple, primaryKeyFields, SEED, longHashes);
+ return Math.abs((int) longHashes[0]);
+ }
+
+ @Override
+ public void fail() throws HyracksDataException {
+ // TODO Auto-generated method stub
+
+ }
+
+ @Override
+ public void close() throws HyracksDataException {
+ // TODO Auto-generated method stub
+ }
+
+ @Override
+ public void setFrameWriter(int index, IFrameWriter writer, RecordDescriptor recordDesc) {
+ throw new IllegalStateException();
+ }
+
+ @Override
+ public void setInputRecordDescriptor(int index, RecordDescriptor recordDescriptor) {
+ this.inputRecordDesc = recordDescriptor;
+ this.frameTupleAccessor = new FrameTupleAccessor(hyracksTaskCtx.getFrameSize(), recordDescriptor);
+ }
+}
diff --git a/asterix-algebra/src/main/java/edu/uci/ics/asterix/algebra/operators/physical/CommitRuntimeFactory.java b/asterix-algebra/src/main/java/edu/uci/ics/asterix/algebra/operators/physical/CommitRuntimeFactory.java
new file mode 100644
index 0000000..f3b6526
--- /dev/null
+++ b/asterix-algebra/src/main/java/edu/uci/ics/asterix/algebra/operators/physical/CommitRuntimeFactory.java
@@ -0,0 +1,49 @@
+/*
+ * Copyright 2009-2012 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package edu.uci.ics.asterix.algebra.operators.physical;
+
+import edu.uci.ics.asterix.transaction.management.service.transaction.JobId;
+import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
+import edu.uci.ics.hyracks.algebricks.runtime.base.IPushRuntime;
+import edu.uci.ics.hyracks.algebricks.runtime.base.IPushRuntimeFactory;
+import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
+
+public class CommitRuntimeFactory implements IPushRuntimeFactory {
+
+ private static final long serialVersionUID = 1L;
+
+ private final JobId jobId;
+ private final int datasetId;
+ private final int[] primaryKeyFields;
+ private final boolean isWriteTransaction;
+
+ public CommitRuntimeFactory(JobId jobId, int datasetId, int[] primaryKeyFields, boolean isWriteTransaction) {
+ this.jobId = jobId;
+ this.datasetId = datasetId;
+ this.primaryKeyFields = primaryKeyFields;
+ this.isWriteTransaction = isWriteTransaction;
+ }
+
+ @Override
+ public String toString() {
+ return "commit";
+ }
+
+ @Override
+ public IPushRuntime createPushRuntime(IHyracksTaskContext ctx) throws AlgebricksException {
+ return new CommitRuntime(ctx, jobId, datasetId, primaryKeyFields, isWriteTransaction);
+ }
+}
diff --git a/asterix-algebra/src/main/java/edu/uci/ics/asterix/algebra/operators/physical/InvertedIndexPOperator.java b/asterix-algebra/src/main/java/edu/uci/ics/asterix/algebra/operators/physical/InvertedIndexPOperator.java
index 510aa4c..6d21b27 100644
--- a/asterix-algebra/src/main/java/edu/uci/ics/asterix/algebra/operators/physical/InvertedIndexPOperator.java
+++ b/asterix-algebra/src/main/java/edu/uci/ics/asterix/algebra/operators/physical/InvertedIndexPOperator.java
@@ -3,6 +3,8 @@
import java.util.ArrayList;
import java.util.List;
+import edu.uci.ics.asterix.common.config.GlobalConfig;
+import edu.uci.ics.asterix.common.context.AsterixRuntimeComponentsProvider;
import edu.uci.ics.asterix.common.dataflow.IAsterixApplicationContextInfo;
import edu.uci.ics.asterix.metadata.MetadataException;
import edu.uci.ics.asterix.metadata.MetadataManager;
@@ -43,25 +45,37 @@
import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
import edu.uci.ics.hyracks.api.job.JobSpecification;
+import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
+import edu.uci.ics.hyracks.data.std.primitive.ShortPointable;
import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.storage.am.btree.dataflow.BTreeDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackProvider;
-import edu.uci.ics.hyracks.storage.am.invertedindex.api.IInvertedIndexSearchModifierFactory;
-import edu.uci.ics.hyracks.storage.am.invertedindex.dataflow.InvertedIndexSearchOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.IBinaryTokenizerFactory;
+import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifierFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.dataflow.LSMInvertedIndexDataflowHelperFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.dataflow.LSMInvertedIndexSearchOperatorDescriptor;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.dataflow.PartitionedLSMInvertedIndexDataflowHelperFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
/**
* Contributes the runtime operator for an unnest-map representing an
* inverted-index search.
*/
public class InvertedIndexPOperator extends IndexSearchPOperator {
- public InvertedIndexPOperator(IDataSourceIndex<String, AqlSourceId> idx, boolean requiresBroadcast) {
+ private final boolean isPartitioned;
+
+ public InvertedIndexPOperator(IDataSourceIndex<String, AqlSourceId> idx, boolean requiresBroadcast,
+ boolean isPartitioned) {
super(idx, requiresBroadcast);
+ this.isPartitioned = isPartitioned;
}
@Override
public PhysicalOperatorTag getOperatorTag() {
- return PhysicalOperatorTag.INVERTED_INDEX_SEARCH;
+ if (isPartitioned) {
+ return PhysicalOperatorTag.FUZZY_INVERTED_INDEX_SEARCH;
+ } else {
+ return PhysicalOperatorTag.INVERTED_INDEX_SEARCH;
+ }
}
@Override
@@ -138,18 +152,23 @@
}
// TODO: For now we assume the type of the generated tokens is the
- // same
- // as the indexed field.
+ // same as the indexed field.
// We need a better way of expressing this because tokens may be
- // hashed,
- // or an inverted-index may index a list type, etc.
- ITypeTraits[] tokenTypeTraits = new ITypeTraits[numSecondaryKeys];
- IBinaryComparatorFactory[] tokenComparatorFactories = new IBinaryComparatorFactory[numSecondaryKeys];
+ // hashed, or an inverted-index may index a list type, etc.
+ int numTokenKeys = (!isPartitioned) ? numSecondaryKeys : numSecondaryKeys + 1;
+ ITypeTraits[] tokenTypeTraits = new ITypeTraits[numTokenKeys];
+ IBinaryComparatorFactory[] tokenComparatorFactories = new IBinaryComparatorFactory[numTokenKeys];
for (int i = 0; i < numSecondaryKeys; i++) {
tokenComparatorFactories[i] = InvertedIndexAccessMethod
.getTokenBinaryComparatorFactory(secondaryKeyType);
tokenTypeTraits[i] = InvertedIndexAccessMethod.getTokenTypeTrait(secondaryKeyType);
}
+ if (isPartitioned) {
+ // The partitioning field is hardcoded to be a short *without* an Asterix type tag.
+ tokenComparatorFactories[numSecondaryKeys] = PointableBinaryComparatorFactory
+ .of(ShortPointable.FACTORY);
+ tokenTypeTraits[numSecondaryKeys] = ShortPointable.TYPE_TRAITS;
+ }
IVariableTypeEnvironment typeEnv = context.getTypeEnvironment(unnestMap);
List<LogicalVariable> outputVars = unnestMap.getVariables();
@@ -169,9 +188,6 @@
Pair<IFileSplitProvider, AlgebricksPartitionConstraint> secondarySplitsAndConstraint = metadataProvider
.splitProviderAndPartitionConstraintsForInternalOrFeedDataset(dataset.getDataverseName(),
datasetName, indexName);
- Pair<IFileSplitProvider, IFileSplitProvider> fileSplitProviders = metadataProvider
- .getInvertedIndexFileSplitProviders(secondarySplitsAndConstraint.first);
-
// TODO: Here we assume there is only one search key field.
int queryField = keyFields[0];
// Get tokenizer and search modifier factories.
@@ -179,12 +195,27 @@
.getSearchModifierFactory(searchModifierType, simThresh, secondaryIndex);
IBinaryTokenizerFactory queryTokenizerFactory = InvertedIndexAccessMethod.getBinaryTokenizerFactory(
searchModifierType, searchKeyType, secondaryIndex);
- InvertedIndexSearchOperatorDescriptor invIndexSearchOp = new InvertedIndexSearchOperatorDescriptor(jobSpec,
- queryField, appContext.getStorageManagerInterface(), fileSplitProviders.first,
- fileSplitProviders.second, appContext.getIndexRegistryProvider(), tokenTypeTraits,
- tokenComparatorFactories, invListsTypeTraits, invListsComparatorFactories,
- new BTreeDataflowHelperFactory(), queryTokenizerFactory, searchModifierFactory, outputRecDesc,
- retainInput, NoOpOperationCallbackProvider.INSTANCE);
+ IIndexDataflowHelperFactory dataflowHelperFactory;
+ if (!isPartitioned) {
+ dataflowHelperFactory = new LSMInvertedIndexDataflowHelperFactory(
+ AsterixRuntimeComponentsProvider.LSMINVERTEDINDEX_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMINVERTEDINDEX_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMINVERTEDINDEX_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMINVERTEDINDEX_PROVIDER,
+ GlobalConfig.DEFAULT_INDEX_MEM_PAGE_SIZE, GlobalConfig.DEFAULT_INDEX_MEM_NUM_PAGES);
+ } else {
+ dataflowHelperFactory = new PartitionedLSMInvertedIndexDataflowHelperFactory(
+ AsterixRuntimeComponentsProvider.LSMINVERTEDINDEX_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMINVERTEDINDEX_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMINVERTEDINDEX_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMINVERTEDINDEX_PROVIDER,
+ GlobalConfig.DEFAULT_INDEX_MEM_PAGE_SIZE, GlobalConfig.DEFAULT_INDEX_MEM_NUM_PAGES);
+ }
+ LSMInvertedIndexSearchOperatorDescriptor invIndexSearchOp = new LSMInvertedIndexSearchOperatorDescriptor(
+ jobSpec, queryField, appContext.getStorageManagerInterface(), secondarySplitsAndConstraint.first,
+ appContext.getIndexLifecycleManagerProvider(), tokenTypeTraits, tokenComparatorFactories,
+ invListsTypeTraits, invListsComparatorFactories, dataflowHelperFactory, queryTokenizerFactory,
+ searchModifierFactory, outputRecDesc, retainInput, NoOpOperationCallbackFactory.INSTANCE);
return new Pair<IOperatorDescriptor, AlgebricksPartitionConstraint>(invIndexSearchOp,
secondarySplitsAndConstraint.second);
} catch (MetadataException e) {
diff --git a/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/base/RuleCollections.java b/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/base/RuleCollections.java
index 9d9de08..053028a 100644
--- a/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/base/RuleCollections.java
+++ b/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/base/RuleCollections.java
@@ -43,6 +43,7 @@
import edu.uci.ics.asterix.optimizer.rules.PushSimilarityFunctionsBelowJoin;
import edu.uci.ics.asterix.optimizer.rules.RemoveRedundantListifyRule;
import edu.uci.ics.asterix.optimizer.rules.RemoveUnusedOneToOneEquiJoinRule;
+import edu.uci.ics.asterix.optimizer.rules.ReplaceSinkOpWithCommitOpRule;
import edu.uci.ics.asterix.optimizer.rules.SetAsterixPhysicalOperatorsRule;
import edu.uci.ics.asterix.optimizer.rules.SetClosedRecordConstructorsRule;
import edu.uci.ics.asterix.optimizer.rules.SimilarityCheckRule;
@@ -223,6 +224,9 @@
public final static List<IAlgebraicRewriteRule> buildPhysicalRewritesAllLevelsRuleCollection() {
List<IAlgebraicRewriteRule> physicalRewritesAllLevels = new LinkedList<IAlgebraicRewriteRule>();
physicalRewritesAllLevels.add(new PullSelectOutOfEqJoin());
+ //Turned off the following rule for now not to change OptimizerTest results.
+ //physicalRewritesAllLevels.add(new IntroduceTransactionCommitByAssignOpRule());
+ physicalRewritesAllLevels.add(new ReplaceSinkOpWithCommitOpRule());
physicalRewritesAllLevels.add(new SetAlgebricksPhysicalOperatorsRule());
physicalRewritesAllLevels.add(new SetAsterixPhysicalOperatorsRule());
physicalRewritesAllLevels.add(new EnforceStructuralPropertiesRule());
diff --git a/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/FuzzyJoinRule.java b/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/FuzzyJoinRule.java
index 8936425..420c713 100644
--- a/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/FuzzyJoinRule.java
+++ b/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/FuzzyJoinRule.java
@@ -267,7 +267,7 @@
// The translator will compile metadata internally. Run this compilation
// under the same transaction id as the "outer" compilation.
AqlPlusExpressionToPlanTranslator translator = new AqlPlusExpressionToPlanTranslator(
- metadataProvider.getJobTxnId(), metadataProvider, counter, null, null);
+ metadataProvider.getJobId(), metadataProvider, counter, null, null);
LogicalOperatorDeepCopyVisitor deepCopyVisitor = new LogicalOperatorDeepCopyVisitor(counter);
diff --git a/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/IntroduceTransactionCommitByAssignOpRule.java b/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/IntroduceTransactionCommitByAssignOpRule.java
new file mode 100644
index 0000000..d635942
--- /dev/null
+++ b/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/IntroduceTransactionCommitByAssignOpRule.java
@@ -0,0 +1,76 @@
+/*
+ * Copyright 2009-2012 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package edu.uci.ics.asterix.optimizer.rules;
+
+import org.apache.commons.lang3.mutable.Mutable;
+import org.apache.commons.lang3.mutable.MutableObject;
+
+import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
+import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
+import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AssignOperator;
+import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SelectOperator;
+import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+
+public class IntroduceTransactionCommitByAssignOpRule implements IAlgebraicRewriteRule {
+
+ @Override
+ public boolean rewritePre(Mutable<ILogicalOperator> opRef, IOptimizationContext context) throws AlgebricksException {
+ return false;
+ }
+
+ @Override
+ public boolean rewritePost(Mutable<ILogicalOperator> opRef, IOptimizationContext context)
+ throws AlgebricksException {
+
+ AbstractLogicalOperator op = (AbstractLogicalOperator) opRef.getValue();
+ if (op.getOperatorTag() != LogicalOperatorTag.SELECT) {
+ return false;
+ }
+ SelectOperator selectOperator = (SelectOperator) op;
+
+ Mutable<ILogicalOperator> childOfSelect = selectOperator.getInputs().get(0);
+
+ //[Direction] SelectOp(cond1)<--ChildOps... ==> SelectOp(booleanValue of cond1)<--NewAssignOp(cond1)<--ChildOps...
+ //#. Create an assign-operator with a new local variable and the condition of the select-operator.
+ //#. Set the input(child operator) of the new assign-operator to input(child operator) of the select-operator.
+ // (Later, the newly created assign-operator will apply the condition on behalf of the select-operator,
+ // and set the variable of the assign-operator to a boolean value according to the condition evaluation.)
+ //#. Give the select-operator the result boolean value created by the newly created child assign-operator.
+
+ //create an assignOp with a variable and the condition of the select-operator.
+ LogicalVariable v = context.newVar();
+ AssignOperator assignOperator = new AssignOperator(v, new MutableObject<ILogicalExpression>(selectOperator
+ .getCondition().getValue()));
+
+ //set the input of the new assign-operator to the input of the select-operator.
+ assignOperator.getInputs().add(childOfSelect);
+
+ //set the result value of the assign-operator to the condition of the select-operator
+ selectOperator.getCondition().setValue(new VariableReferenceExpression(v));//scalarFunctionCallExpression);
+ selectOperator.getInputs().set(0, new MutableObject<ILogicalOperator>(assignOperator));
+
+ context.computeAndSetTypeEnvironmentForOperator(assignOperator);
+
+ //Once this rule is fired, don't apply again.
+ context.addToDontApplySet(this, selectOperator);
+ return true;
+ }
+}
diff --git a/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/ReplaceSinkOpWithCommitOpRule.java b/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/ReplaceSinkOpWithCommitOpRule.java
new file mode 100644
index 0000000..30ed8e7
--- /dev/null
+++ b/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/ReplaceSinkOpWithCommitOpRule.java
@@ -0,0 +1,94 @@
+package edu.uci.ics.asterix.optimizer.rules;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.commons.lang3.mutable.Mutable;
+
+import edu.uci.ics.asterix.algebra.operators.CommitOperator;
+import edu.uci.ics.asterix.algebra.operators.physical.CommitPOperator;
+import edu.uci.ics.asterix.metadata.declared.AqlDataSource;
+import edu.uci.ics.asterix.metadata.declared.AqlMetadataProvider;
+import edu.uci.ics.asterix.transaction.management.service.transaction.JobId;
+import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
+import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression;
+import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalOperator;
+import edu.uci.ics.hyracks.algebricks.core.algebra.base.IOptimizationContext;
+import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalOperatorTag;
+import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
+import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.VariableReferenceExpression;
+import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator;
+import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.ExtensionOperator;
+import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.IndexInsertDeleteOperator;
+import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.InsertDeleteOperator;
+import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.SinkOperator;
+import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule;
+
+public class ReplaceSinkOpWithCommitOpRule implements IAlgebraicRewriteRule {
+
+ @Override
+ public boolean rewritePre(Mutable<ILogicalOperator> opRef, IOptimizationContext context) throws AlgebricksException {
+ // TODO Auto-generated method stub
+ return false;
+ }
+
+ @Override
+ public boolean rewritePost(Mutable<ILogicalOperator> opRef, IOptimizationContext context)
+ throws AlgebricksException {
+
+ AbstractLogicalOperator op = (AbstractLogicalOperator) opRef.getValue();
+ if (op.getOperatorTag() != LogicalOperatorTag.SINK) {
+ return false;
+ }
+ SinkOperator sinkOperator = (SinkOperator) op;
+
+ List<Mutable<ILogicalExpression>> primaryKeyExprs = null;
+ int datasetId = 0;
+ AbstractLogicalOperator descendantOp = (AbstractLogicalOperator) sinkOperator.getInputs().get(0).getValue();
+ while (descendantOp != null) {
+ if (descendantOp.getOperatorTag() == LogicalOperatorTag.INDEX_INSERT_DELETE) {
+ IndexInsertDeleteOperator indexInsertDeleteOperator = (IndexInsertDeleteOperator) descendantOp;
+ primaryKeyExprs = indexInsertDeleteOperator.getPrimaryKeyExpressions();
+ datasetId = ((AqlDataSource) indexInsertDeleteOperator.getDataSourceIndex().getDataSource()).getDataset().getDatasetId();
+ break;
+ } else if (descendantOp.getOperatorTag() == LogicalOperatorTag.INSERT_DELETE) {
+ InsertDeleteOperator insertDeleteOperator = (InsertDeleteOperator) descendantOp;
+ primaryKeyExprs = insertDeleteOperator.getPrimaryKeyExpressions();
+ datasetId = ((AqlDataSource) insertDeleteOperator.getDataSource()).getDataset().getDatasetId();
+ break;
+ }
+ descendantOp = (AbstractLogicalOperator) descendantOp.getInputs().get(0).getValue();
+ }
+
+ if (primaryKeyExprs != null) {
+
+ //copy primaryKeyExprs
+ List<LogicalVariable> primaryKeyLogicalVars = new ArrayList<LogicalVariable>();
+ for (Mutable<ILogicalExpression> expr : primaryKeyExprs) {
+ VariableReferenceExpression varRefExpr = (VariableReferenceExpression)expr.getValue();
+ primaryKeyLogicalVars.add(new LogicalVariable(varRefExpr.getVariableReference().getId()));
+ }
+
+ //get JobId(TransactorId)
+ AqlMetadataProvider mp = (AqlMetadataProvider) context.getMetadataProvider();
+ JobId jobId = mp.getJobId();
+
+ //create the logical and physical operator
+ CommitOperator commitOperator = new CommitOperator(primaryKeyLogicalVars);
+ CommitPOperator commitPOperator = new CommitPOperator(jobId, datasetId, primaryKeyLogicalVars, mp.isWriteTransaction());
+ commitOperator.setPhysicalOperator(commitPOperator);
+
+ //create ExtensionOperator and put the commitOperator in it.
+ ExtensionOperator extensionOperator = new ExtensionOperator(commitOperator);
+ extensionOperator.setPhysicalOperator(commitPOperator);
+
+ //update plan link
+ extensionOperator.getInputs().add(sinkOperator.getInputs().get(0));
+ context.computeAndSetTypeEnvironmentForOperator(extensionOperator);
+ opRef.setValue(extensionOperator);
+ }
+
+ return true;
+ }
+
+}
diff --git a/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/SetAsterixPhysicalOperatorsRule.java b/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/SetAsterixPhysicalOperatorsRule.java
index e19466e..9c7594c 100644
--- a/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/SetAsterixPhysicalOperatorsRule.java
+++ b/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/SetAsterixPhysicalOperatorsRule.java
@@ -173,12 +173,14 @@
op.setPhysicalOperator(new RTreeSearchPOperator(dsi, requiresBroadcast));
break;
}
- case WORD_INVIX: {
- op.setPhysicalOperator(new InvertedIndexPOperator(dsi, requiresBroadcast));
+ case WORD_INVIX:
+ case NGRAM_INVIX: {
+ op.setPhysicalOperator(new InvertedIndexPOperator(dsi, requiresBroadcast, false));
break;
}
- case NGRAM_INVIX: {
- op.setPhysicalOperator(new InvertedIndexPOperator(dsi, requiresBroadcast));
+ case FUZZY_WORD_INVIX:
+ case FUZZY_NGRAM_INVIX: {
+ op.setPhysicalOperator(new InvertedIndexPOperator(dsi, requiresBroadcast, true));
break;
}
default: {
diff --git a/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/am/AccessMethodUtils.java b/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/am/AccessMethodUtils.java
index ffd447c..7084cd7 100644
--- a/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/am/AccessMethodUtils.java
+++ b/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/am/AccessMethodUtils.java
@@ -149,7 +149,9 @@
switch (index.getIndexType()) {
case BTREE:
case WORD_INVIX:
- case NGRAM_INVIX: {
+ case NGRAM_INVIX:
+ case FUZZY_WORD_INVIX:
+ case FUZZY_NGRAM_INVIX: {
return index.getKeyFieldNames().size();
}
case RTREE: {
diff --git a/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/am/BTreeAccessMethod.java b/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/am/BTreeAccessMethod.java
index 3b547e7..ddcf768 100644
--- a/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/am/BTreeAccessMethod.java
+++ b/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/am/BTreeAccessMethod.java
@@ -17,6 +17,7 @@
import java.io.IOException;
import java.util.ArrayList;
+import java.util.Arrays;
import java.util.BitSet;
import java.util.HashSet;
import java.util.Iterator;
@@ -341,12 +342,26 @@
return null;
}
+ // If the select condition contains mixed open/closed intervals on multiple keys, then we make all intervals closed to obtain a superset of answers and leave the original selection in place.
+ boolean primaryIndexPostProccessingIsNeeded = false;
+ for (int i = 1; i < numSecondaryKeys; ++i) {
+ if (lowKeyInclusive[i] != lowKeyInclusive[0]) {
+ Arrays.fill(lowKeyInclusive, true);
+ primaryIndexPostProccessingIsNeeded = true;
+ break;
+ }
+ }
+ for (int i = 1; i < numSecondaryKeys; ++i) {
+ if (highKeyInclusive[i] != highKeyInclusive[0]) {
+ Arrays.fill(highKeyInclusive, true);
+ primaryIndexPostProccessingIsNeeded = true;
+ break;
+ }
+ }
+
// Rule out the cases unsupported by the current btree search
// implementation.
for (int i = 1; i < numSecondaryKeys; i++) {
- if (lowKeyInclusive[i] != lowKeyInclusive[0] || highKeyInclusive[i] != highKeyInclusive[0]) {
- return null;
- }
if (lowKeyLimits[0] == null && lowKeyLimits[i] != null || lowKeyLimits[0] != null
&& lowKeyLimits[i] == null) {
return null;
@@ -404,6 +419,10 @@
if (!isPrimaryIndex) {
primaryIndexUnnestOp = AccessMethodUtils.createPrimaryIndexUnnestMap(dataSourceScan, dataset, recordType,
secondaryIndexUnnestOp, context, true, retainInput, false);
+
+ // Replace the datasource scan with the new plan rooted at
+ // primaryIndexUnnestMap.
+ indexSubTree.dataSourceScanRef.setValue(primaryIndexUnnestOp); //kisskys
} else {
List<Object> primaryIndexOutputTypes = new ArrayList<Object>();
try {
@@ -414,16 +433,18 @@
primaryIndexUnnestOp = new UnnestMapOperator(dataSourceScan.getVariables(),
secondaryIndexUnnestOp.getExpressionRef(), primaryIndexOutputTypes, retainInput);
primaryIndexUnnestOp.getInputs().add(new MutableObject<ILogicalOperator>(inputOp));
- }
- List<Mutable<ILogicalExpression>> remainingFuncExprs = new ArrayList<Mutable<ILogicalExpression>>();
- getNewConditionExprs(conditionRef, replacedFuncExprs, remainingFuncExprs);
- // Generate new condition.
- if (!remainingFuncExprs.isEmpty()) {
- ILogicalExpression pulledCond = createSelectCondition(remainingFuncExprs);
- conditionRef.setValue(pulledCond);
- } else {
- conditionRef.setValue(null);
+ if (!primaryIndexPostProccessingIsNeeded) {
+ List<Mutable<ILogicalExpression>> remainingFuncExprs = new ArrayList<Mutable<ILogicalExpression>>();
+ getNewConditionExprs(conditionRef, replacedFuncExprs, remainingFuncExprs);
+ // Generate new condition.
+ if (!remainingFuncExprs.isEmpty()) {
+ ILogicalExpression pulledCond = createSelectCondition(remainingFuncExprs);
+ conditionRef.setValue(pulledCond);
+ } else {
+ conditionRef.setValue(null);
+ }
+ }
}
return primaryIndexUnnestOp;
}
@@ -561,4 +582,4 @@
// No additional analysis required for BTrees.
return true;
}
-}
+}
\ No newline at end of file
diff --git a/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/am/InvertedIndexAccessMethod.java b/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/am/InvertedIndexAccessMethod.java
index 84a86b1..d4d6b43 100644
--- a/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/am/InvertedIndexAccessMethod.java
+++ b/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/am/InvertedIndexAccessMethod.java
@@ -12,7 +12,6 @@
import edu.uci.ics.asterix.algebra.base.LogicalOperatorDeepCopyVisitor;
import edu.uci.ics.asterix.aql.util.FunctionUtils;
import edu.uci.ics.asterix.common.config.DatasetConfig.IndexType;
-import edu.uci.ics.asterix.dataflow.data.common.ListEditDistanceSearchModifierFactory;
import edu.uci.ics.asterix.formats.nontagged.AqlBinaryComparatorFactoryProvider;
import edu.uci.ics.asterix.formats.nontagged.AqlBinaryTokenizerFactoryProvider;
import edu.uci.ics.asterix.formats.nontagged.AqlTypeTraitProvider;
@@ -60,11 +59,12 @@
import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.visitors.VariableUtilities;
import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.storage.am.invertedindex.api.IInvertedIndexSearchModifierFactory;
-import edu.uci.ics.hyracks.storage.am.invertedindex.searchmodifiers.ConjunctiveSearchModifierFactory;
-import edu.uci.ics.hyracks.storage.am.invertedindex.searchmodifiers.EditDistanceSearchModifierFactory;
-import edu.uci.ics.hyracks.storage.am.invertedindex.searchmodifiers.JaccardSearchModifierFactory;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.IBinaryTokenizerFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifierFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search.ConjunctiveSearchModifierFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search.EditDistanceSearchModifierFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search.JaccardSearchModifierFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search.ListEditDistanceSearchModifierFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
/**
* Class for helping rewrite rules to choose and apply inverted indexes.
@@ -773,7 +773,8 @@
AInt32 edThresh = (AInt32) intObj;
int mergeThreshold = 0;
// We can only optimize edit distance on strings using an ngram index.
- if (listOrStrObj.getType().getTypeTag() == ATypeTag.STRING && index.getIndexType() == IndexType.NGRAM_INVIX) {
+ if (listOrStrObj.getType().getTypeTag() == ATypeTag.STRING
+ && (index.getIndexType() == IndexType.NGRAM_INVIX || index.getIndexType() == IndexType.FUZZY_NGRAM_INVIX)) {
AString astr = (AString) listOrStrObj;
// Compute merge threshold.
mergeThreshold = (astr.getStringValue().length() + index.getGramLength() - 1)
@@ -781,7 +782,7 @@
}
// We can only optimize edit distance on lists using a word index.
if ((listOrStrObj.getType().getTypeTag() == ATypeTag.ORDEREDLIST || listOrStrObj.getType().getTypeTag() == ATypeTag.UNORDEREDLIST)
- && index.getIndexType() == IndexType.WORD_INVIX) {
+ && (index.getIndexType() == IndexType.WORD_INVIX || index.getIndexType() == IndexType.FUZZY_WORD_INVIX)) {
IACollection alist = (IACollection) listOrStrObj;
// Compute merge threshold.
mergeThreshold = alist.size() - edThresh.getIntegerValue();
@@ -807,11 +808,11 @@
AbstractFunctionCallExpression nonConstfuncExpr = (AbstractFunctionCallExpression) nonConstArg;
// We can use this index if the tokenization function matches the index type.
if (nonConstfuncExpr.getFunctionIdentifier() == AsterixBuiltinFunctions.WORD_TOKENS
- && index.getIndexType() == IndexType.WORD_INVIX) {
+ && (index.getIndexType() == IndexType.WORD_INVIX || index.getIndexType() == IndexType.FUZZY_WORD_INVIX)) {
return true;
}
if (nonConstfuncExpr.getFunctionIdentifier() == AsterixBuiltinFunctions.GRAM_TOKENS
- && index.getIndexType() == IndexType.NGRAM_INVIX) {
+ && (index.getIndexType() == IndexType.NGRAM_INVIX || index.getIndexType() == IndexType.FUZZY_NGRAM_INVIX)) {
return true;
}
}
@@ -824,7 +825,7 @@
}
// We can only optimize contains with ngram indexes.
if (optFuncExpr.getFuncExpr().getFunctionIdentifier() == AsterixBuiltinFunctions.CONTAINS
- && index.getIndexType() == IndexType.NGRAM_INVIX) {
+ && (index.getIndexType() == IndexType.NGRAM_INVIX || index.getIndexType() == IndexType.FUZZY_NGRAM_INVIX)) {
// Check that the constant search string has at least gramLength characters.
AsterixConstantValue strConstVal = (AsterixConstantValue) optFuncExpr.getConstantVal(0);
IAObject strObj = strConstVal.getObject();
@@ -877,10 +878,12 @@
public static IBinaryTokenizerFactory getBinaryTokenizerFactory(SearchModifierType searchModifierType,
ATypeTag searchKeyType, Index index) throws AlgebricksException {
switch (index.getIndexType()) {
- case WORD_INVIX: {
+ case WORD_INVIX:
+ case FUZZY_WORD_INVIX: {
return AqlBinaryTokenizerFactoryProvider.INSTANCE.getWordTokenizerFactory(searchKeyType, false);
}
- case NGRAM_INVIX: {
+ case NGRAM_INVIX:
+ case FUZZY_NGRAM_INVIX: {
// Make sure not to use pre- and postfixing for conjunctive searches.
boolean prePost = (searchModifierType == SearchModifierType.CONJUNCTIVE) ? false : true;
return AqlBinaryTokenizerFactoryProvider.INSTANCE.getNGramTokenizerFactory(searchKeyType,
@@ -895,10 +898,12 @@
public static IBinaryTokenizerFactory getBinaryTokenizerFactory(ATypeTag keyType, IndexType indexType,
int gramLength) throws AlgebricksException {
switch (indexType) {
- case WORD_INVIX: {
+ case WORD_INVIX:
+ case FUZZY_WORD_INVIX: {
return AqlBinaryTokenizerFactoryProvider.INSTANCE.getWordTokenizerFactory(keyType, false);
}
- case NGRAM_INVIX: {
+ case NGRAM_INVIX:
+ case FUZZY_NGRAM_INVIX: {
return AqlBinaryTokenizerFactoryProvider.INSTANCE.getNGramTokenizerFactory(keyType, gramLength, true,
false);
}
@@ -921,11 +926,13 @@
case EDIT_DISTANCE: {
int edThresh = ((AInt32) simThresh).getIntegerValue();
switch (index.getIndexType()) {
- case NGRAM_INVIX: {
+ case NGRAM_INVIX:
+ case FUZZY_NGRAM_INVIX: {
// Edit distance on strings, filtered with overlapping grams.
return new EditDistanceSearchModifierFactory(index.getGramLength(), edThresh);
}
- case WORD_INVIX: {
+ case WORD_INVIX:
+ case FUZZY_WORD_INVIX: {
// Edit distance on two lists. The list-elements are non-overlapping.
return new ListEditDistanceSearchModifierFactory(edThresh);
}
diff --git a/asterix-algebra/src/main/java/edu/uci/ics/asterix/translator/AbstractAqlTranslator.java b/asterix-algebra/src/main/java/edu/uci/ics/asterix/translator/AbstractAqlTranslator.java
index 16cfefe..9fe5750 100644
--- a/asterix-algebra/src/main/java/edu/uci/ics/asterix/translator/AbstractAqlTranslator.java
+++ b/asterix-algebra/src/main/java/edu/uci/ics/asterix/translator/AbstractAqlTranslator.java
@@ -26,6 +26,7 @@
import edu.uci.ics.asterix.aql.expression.NodeGroupDropStatement;
import edu.uci.ics.asterix.common.exceptions.AsterixException;
import edu.uci.ics.asterix.metadata.bootstrap.MetadataConstants;
+import edu.uci.ics.asterix.metadata.dataset.hints.DatasetHints;
import edu.uci.ics.asterix.metadata.entities.AsterixBuiltinTypeMap;
import edu.uci.ics.asterix.metadata.entities.Dataverse;
import edu.uci.ics.asterix.om.types.BuiltinType;
diff --git a/asterix-algebra/src/main/java/edu/uci/ics/asterix/translator/AqlExpressionToPlanTranslator.java b/asterix-algebra/src/main/java/edu/uci/ics/asterix/translator/AqlExpressionToPlanTranslator.java
index fdf9c0b..7028e23 100644
--- a/asterix-algebra/src/main/java/edu/uci/ics/asterix/translator/AqlExpressionToPlanTranslator.java
+++ b/asterix-algebra/src/main/java/edu/uci/ics/asterix/translator/AqlExpressionToPlanTranslator.java
@@ -163,7 +163,6 @@
private final ICompiledDmlStatement stmt;
private static AtomicLong outputFileID = new AtomicLong(0);
private static final String OUTPUT_FILE_PREFIX = "OUTPUT_";
-
private static LogicalVariable METADATA_DUMMY_VAR = new LogicalVariable(-1);
public AqlExpressionToPlanTranslator(AqlMetadataProvider metadataProvider, int currentVarCounter,
@@ -186,7 +185,6 @@
new EmptyTupleSourceOperator()));
ArrayList<Mutable<ILogicalOperator>> globalPlanRoots = new ArrayList<Mutable<ILogicalOperator>>();
-
boolean isTransactionalWrite = false;
ILogicalOperator topOp = p.first;
ProjectOperator project = (ProjectOperator) topOp;
@@ -207,11 +205,9 @@
AqlDataSource targetDatasource = validateDatasetInfo(metadataProvider, stmt.getDataverseName(),
stmt.getDatasetName());
-
ArrayList<LogicalVariable> vars = new ArrayList<LogicalVariable>();
ArrayList<Mutable<ILogicalExpression>> exprs = new ArrayList<Mutable<ILogicalExpression>>();
List<Mutable<ILogicalExpression>> varRefsForLoading = new ArrayList<Mutable<ILogicalExpression>>();
-
List<String> partitionKeys = DatasetUtils.getPartitioningKeys(targetDatasource.getDataset());
for (String keyFieldName : partitionKeys) {
IFunctionInfo finfoAccess = AsterixBuiltinFunctions
@@ -236,7 +232,6 @@
switch (stmt.getKind()) {
case WRITE_FROM_QUERY_RESULT: {
-
leafOperator = new WriteResultOperator(targetDatasource, varRef, varRefsForLoading);
leafOperator.getInputs().add(new MutableObject<ILogicalOperator>(assign));
break;
@@ -271,7 +266,6 @@
}
topOp = leafOperator;
}
-
globalPlanRoots.add(new MutableObject<ILogicalOperator>(topOp));
ILogicalPlan plan = new ALogicalPlanImpl(globalPlanRoots);
return plan;
@@ -292,7 +286,6 @@
throw new AlgebricksException("Cannot write output to an external dataset.");
}
return dataSource;
-
}
private FileSplit getDefaultOutputFileLocation() throws MetadataException {
@@ -309,7 +302,6 @@
public Pair<ILogicalOperator, LogicalVariable> visitForClause(ForClause fc, Mutable<ILogicalOperator> tupSource)
throws AsterixException {
LogicalVariable v = context.newVar(fc.getVarExpr());
-
Expression inExpr = fc.getInExpr();
Pair<ILogicalExpression, Mutable<ILogicalOperator>> eo = aqlExprToAlgExpression(inExpr, tupSource);
ILogicalOperator returnedOp;
@@ -408,7 +400,6 @@
AssignOperator a = new AssignOperator(v, new MutableObject<ILogicalExpression>(fldAccess));
a.getInputs().add(p.second);
return new Pair<ILogicalOperator, LogicalVariable>(a, v);
-
}
@Override
@@ -513,7 +504,6 @@
private AbstractFunctionCallExpression lookupBuiltinFunction(String functionName, int arity,
List<Mutable<ILogicalExpression>> args) {
AbstractFunctionCallExpression f = null;
-
FunctionIdentifier fi = new FunctionIdentifier(AlgebricksBuiltinFunctions.ALGEBRICKS_NS, functionName, arity);
AsterixFunctionInfo afi = AsterixBuiltinFunctions.lookupFunction(fi);
FunctionIdentifier builtinAquafi = afi == null ? null : afi.getFunctionIdentifier();
diff --git a/asterix-algebra/src/main/java/edu/uci/ics/asterix/translator/AqlPlusExpressionToPlanTranslator.java b/asterix-algebra/src/main/java/edu/uci/ics/asterix/translator/AqlPlusExpressionToPlanTranslator.java
index be6e2af..3440ce8 100644
--- a/asterix-algebra/src/main/java/edu/uci/ics/asterix/translator/AqlPlusExpressionToPlanTranslator.java
+++ b/asterix-algebra/src/main/java/edu/uci/ics/asterix/translator/AqlPlusExpressionToPlanTranslator.java
@@ -94,6 +94,7 @@
import edu.uci.ics.asterix.om.types.ARecordType;
import edu.uci.ics.asterix.om.types.BuiltinType;
import edu.uci.ics.asterix.om.types.IAType;
+import edu.uci.ics.asterix.transaction.management.service.transaction.JobId;
import edu.uci.ics.asterix.translator.CompiledStatements.ICompiledDmlStatement;
import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
import edu.uci.ics.hyracks.algebricks.common.exceptions.NotImplementedException;
@@ -190,7 +191,7 @@
}
}
- private final long txnId;
+ private final JobId jobId;
private TranslationContext context;
private String outputDatasetName;
private ICompiledDmlStatement stmt;
@@ -202,9 +203,9 @@
- public AqlPlusExpressionToPlanTranslator(long txnId, AqlMetadataProvider metadataProvider,
+ public AqlPlusExpressionToPlanTranslator(JobId jobId, AqlMetadataProvider metadataProvider,
Counter currentVarCounter, String outputDatasetName, ICompiledDmlStatement stmt) {
- this.txnId = txnId;
+ this.jobId = jobId;
this.metadataProvider = metadataProvider;
this.context = new TranslationContext(currentVarCounter);
this.outputDatasetName = outputDatasetName;
diff --git a/asterix-app/data/spatial/spatialData.json b/asterix-app/data/spatial/spatialData.json
index e2dd151..9c78064 100644
--- a/asterix-app/data/spatial/spatialData.json
+++ b/asterix-app/data/spatial/spatialData.json
@@ -16,4 +16,6 @@
{"id": 16, "point": point("-2.0,3.0"), "kwds": "sign ahead", "line1": line("1.0,2.0 3.0,4.0"), "line2": line("5.0,8.0 5.0,1.0"), "poly1": polygon("5.0,1.0 5.0,4.0 7.0,4.0 7.0,1.0"), "poly2": polygon("5.0,1.0 5.0,4.0 7.0,4.0 7.0,1.0"), "rec": rectangle("0.0,0.0 4.0,4.0"), "circle" : circle("1.0,35.0 10.0")}
{"id": 17, "point": point("4.1,7.0"), "kwds": "sign ahead", "line1": line("4.0,7.0 9.0,7.0"), "line2": line("5.0,8.0 5.0,1.0"), "poly1": polygon("0.0,6.0 0.0,0.0 3.0,0.0 4.0,1.0 6.0,1.0 8.0,0.0 12.0,0.0 13.0,2.0 8.0,2.0 8.0,4.0 11.0,4.0 11.0,6.0 6.0,6.0 4.0,3.0 2.0,6.0"), "poly2": polygon("5.0,1.0 5.0,4.0 7.0,4.0 7.0,1.0"), "rec": rectangle("0.0,0.0 4.0,4.0"), "circle" : circle("1.0,51.0 10.0")}
{"id": 18, "point": point("-2.0,3.0"), "kwds": "sign ahead", "line1": line("1.0,2.0 3.0,4.0"), "line2": line("5.0,8.0 5.0,1.0"), "poly1": polygon("5.0,1.0 7.0,1.0 7.0,4.0 6.0,2.0 5.0,4.0"), "poly2": polygon("6.0,3.0 7.0,5.0 6.0,7.0 5.0,5.0"), "rec": rectangle("0.0,0.0 4.0,4.0"), "circle" : circle("43.0,45.0 12.0")}
-{"id": 19, "point": point("-2.0,3.0"), "kwds": "sign ahead", "line1": line("1.0,2.0 3.0,4.0"), "line2": line("5.0,8.0 5.0,1.0"), "poly1": polygon("5.0,1.0 7.0,1.0 7.0,4.0 6.0,2.0 5.0,4.0"), "poly2": polygon("6.0,1.0 7.0,5.0 6.0,7.0 5.0,5.0"), "rec": rectangle("0.0,0.0 4.0,4.0"), "circle" : circle("65.0,2.0 13.0")}
\ No newline at end of file
+{"id": 19, "point": point("-2.0,3.0"), "kwds": "sign ahead", "line1": line("1.0,2.0 3.0,4.0"), "line2": line("5.0,8.0 5.0,1.0"), "poly1": polygon("5.0,1.0 7.0,1.0 7.0,4.0 6.0,2.0 5.0,4.0"), "poly2": polygon("6.0,1.0 7.0,5.0 6.0,7.0 5.0,5.0"), "rec": rectangle("0.0,0.0 4.0,4.0"), "circle" : circle("65.0,2.0 13.0")}
+{"id": 20, "point": point("4.0,3.0"), "kwds": "sign ahead", "line1": line("20.0,20.0 30.0,40.0"), "line2": line("5.0,8.0 0.0,1.0"), "poly1": polygon("4.0,1.0 4.0,4.0 12.0,4.0 12.0,1.0"), "poly2": polygon("50.0,10.0 50.0,40.0 70.0,40.0 70.0,10.0"), "rec": rectangle("0.0,0.0 4.0,4.0"), "circle" : circle("1.0,23.0 12.0")}
+{"id": 21, "point": point("0.0,5.0"), "kwds": "sign ahead", "line1": line("0.0,5.0 0.0,40.0"), "line2": line("5.0,8.0 0.0,1.0"), "poly1": polygon("5.1,5.1 14.0,14.0 22.0,14.0 22.0,10.0"), "poly2": polygon("50.0,10.0 50.0,40.0 70.0,40.0 70.0,10.0"), "rec": rectangle("0.0,0.0 5.1,5.1"), "circle" : circle("1.0,23.0 12.0")}
\ No newline at end of file
diff --git a/asterix-app/pom.xml b/asterix-app/pom.xml
index 9476178..33a718f 100644
--- a/asterix-app/pom.xml
+++ b/asterix-app/pom.xml
@@ -6,9 +6,7 @@
<groupId>edu.uci.ics.asterix</groupId>
<version>0.0.4-SNAPSHOT</version>
</parent>
- <groupId>edu.uci.ics.asterix</groupId>
<artifactId>asterix-app</artifactId>
- <version>0.0.4-SNAPSHOT</version>
<build>
<plugins>
diff --git a/asterix-app/src/main/java/edu/uci/ics/asterix/api/common/APIFramework.java b/asterix-app/src/main/java/edu/uci/ics/asterix/api/common/APIFramework.java
index c628a7f..98731ba 100644
--- a/asterix-app/src/main/java/edu/uci/ics/asterix/api/common/APIFramework.java
+++ b/asterix-app/src/main/java/edu/uci/ics/asterix/api/common/APIFramework.java
@@ -43,6 +43,7 @@
import edu.uci.ics.asterix.optimizer.base.RuleCollections;
import edu.uci.ics.asterix.runtime.job.listener.JobEventListenerFactory;
import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
+import edu.uci.ics.asterix.transaction.management.service.transaction.JobIdFactory;
import edu.uci.ics.asterix.translator.AqlExpressionToPlanTranslator;
import edu.uci.ics.asterix.translator.CompiledStatements.ICompiledDmlStatement;
import edu.uci.ics.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
@@ -68,6 +69,7 @@
import edu.uci.ics.hyracks.algebricks.core.rewriter.base.IOptimizationContextFactory;
import edu.uci.ics.hyracks.algebricks.core.rewriter.base.PhysicalOptimizationConfig;
import edu.uci.ics.hyracks.api.client.IHyracksClientConnection;
+import edu.uci.ics.hyracks.api.job.IJobletEventListenerFactory;
import edu.uci.ics.hyracks.api.job.JobId;
import edu.uci.ics.hyracks.api.job.JobSpecification;
@@ -108,6 +110,8 @@
RuleCollections.buildAccessMethodRuleCollection()));
defaultLogicalRewrites.add(new Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>(seqCtrlNoDfs,
RuleCollections.buildPlanCleanupRuleCollection()));
+
+ //put TXnRuleCollection!
return defaultLogicalRewrites;
}
@@ -152,6 +156,7 @@
public static Pair<Query, Integer> reWriteQuery(List<FunctionDecl> declaredFunctions,
AqlMetadataProvider metadataProvider, Query q, SessionConfig pc, PrintWriter out, DisplayFormat pdf)
throws AsterixException {
+
if (!pc.isPrintPhysicalOpsOnly() && pc.isPrintExprParam()) {
out.println();
switch (pdf) {
@@ -214,6 +219,9 @@
}
+ edu.uci.ics.asterix.transaction.management.service.transaction.JobId asterixJobId = JobIdFactory
+ .generateJobId();
+ queryMetadataProvider.setJobId(asterixJobId);
AqlExpressionToPlanTranslator t = new AqlExpressionToPlanTranslator(queryMetadataProvider, varCounter,
outputDatasetName, statement);
@@ -336,10 +344,10 @@
builder.setTypeTraitProvider(format.getTypeTraitProvider());
builder.setNormalizedKeyComputerFactoryProvider(format.getNormalizedKeyComputerFactoryProvider());
- JobSpecification spec = compiler.createJob(AsterixAppContextInfoImpl.getInstance());
- // set the job event listener
- spec.setJobletEventListenerFactory(new JobEventListenerFactory(queryMetadataProvider.getJobTxnId(),
- isWriteTransaction));
+ IJobletEventListenerFactory jobEventListenerFactory = new JobEventListenerFactory(asterixJobId,
+ isWriteTransaction);
+ JobSpecification spec = compiler.createJob(AsterixAppContextInfoImpl.getInstance(), jobEventListenerFactory);
+
if (pc.isPrintJob()) {
switch (pdf) {
case HTML: {
diff --git a/asterix-app/src/main/java/edu/uci/ics/asterix/aql/translator/AqlTranslator.java b/asterix-app/src/main/java/edu/uci/ics/asterix/aql/translator/AqlTranslator.java
index d42d135..db537be 100644
--- a/asterix-app/src/main/java/edu/uci/ics/asterix/aql/translator/AqlTranslator.java
+++ b/asterix-app/src/main/java/edu/uci/ics/asterix/aql/translator/AqlTranslator.java
@@ -68,6 +68,7 @@
import edu.uci.ics.asterix.metadata.MetadataException;
import edu.uci.ics.asterix.metadata.MetadataManager;
import edu.uci.ics.asterix.metadata.MetadataTransactionContext;
+import edu.uci.ics.asterix.metadata.api.IMetadataEntity;
import edu.uci.ics.asterix.metadata.declared.AqlMetadataProvider;
import edu.uci.ics.asterix.metadata.entities.Dataset;
import edu.uci.ics.asterix.metadata.entities.Datatype;
@@ -82,7 +83,7 @@
import edu.uci.ics.asterix.om.types.IAType;
import edu.uci.ics.asterix.om.types.TypeSignature;
import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
-import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionIDFactory;
+import edu.uci.ics.asterix.transaction.management.service.transaction.DatasetIdFactory;
import edu.uci.ics.asterix.translator.AbstractAqlTranslator;
import edu.uci.ics.asterix.translator.CompiledStatements.CompiledBeginFeedStatement;
import edu.uci.ics.asterix.translator.CompiledStatements.CompiledControlFeedStatement;
@@ -157,8 +158,7 @@
for (Statement stmt : aqlStatements) {
validateOperation(activeDefaultDataverse, stmt);
- MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
- AqlMetadataProvider metadataProvider = new AqlMetadataProvider(mdTxnCtx, activeDefaultDataverse);
+ AqlMetadataProvider metadataProvider = new AqlMetadataProvider(activeDefaultDataverse);
metadataProvider.setWriterFactory(writerFactory);
metadataProvider.setOutputFile(outputFile);
metadataProvider.setConfig(config);
@@ -267,16 +267,9 @@
}
}
- MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
} catch (Exception e) {
- MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
throw new AlgebricksException(e);
}
- // Following jobs are run under a separate transaction, that is
- // committed/aborted by the JobEventListener
- for (JobSpecification jobspec : jobsToExecute) {
- runJob(hcc, jobspec);
- }
}
return executionResult;
}
@@ -304,398 +297,936 @@
private Dataverse handleUseDataverseStatement(AqlMetadataProvider metadataProvider, Statement stmt,
List<JobSpecification> jobsToExecute) throws MetadataException, RemoteException, ACIDException {
- DataverseDecl dvd = (DataverseDecl) stmt;
- String dvName = dvd.getDataverseName().getValue();
- Dataverse dv = MetadataManager.INSTANCE.getDataverse(metadataProvider.getMetadataTxnContext(), dvName);
- if (dv == null) {
- throw new MetadataException("Unknown dataverse " + dvName);
+
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+ acquireReadLatch();
+
+ try {
+ DataverseDecl dvd = (DataverseDecl) stmt;
+ String dvName = dvd.getDataverseName().getValue();
+ Dataverse dv = MetadataManager.INSTANCE.getDataverse(metadataProvider.getMetadataTxnContext(), dvName);
+ if (dv == null) {
+ throw new MetadataException("Unknown dataverse " + dvName);
+ }
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ return dv;
+ } catch (Exception e) {
+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+ throw new MetadataException(e);
+ } finally {
+ releaseReadLatch();
}
- return dv;
}
private void handleCreateDataverseStatement(AqlMetadataProvider metadataProvider, Statement stmt,
List<JobSpecification> jobsToExecute) throws MetadataException, AlgebricksException, RemoteException,
ACIDException {
- CreateDataverseStatement stmtCreateDataverse = (CreateDataverseStatement) stmt;
- String dvName = stmtCreateDataverse.getDataverseName().getValue();
- Dataverse dv = MetadataManager.INSTANCE.getDataverse(metadataProvider.getMetadataTxnContext(), dvName);
- if (dv != null && !stmtCreateDataverse.getIfNotExists()) {
- throw new AlgebricksException("A dataverse with this name " + dvName + " already exists.");
+
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+ acquireWriteLatch();
+
+ try {
+ CreateDataverseStatement stmtCreateDataverse = (CreateDataverseStatement) stmt;
+ String dvName = stmtCreateDataverse.getDataverseName().getValue();
+ Dataverse dv = MetadataManager.INSTANCE.getDataverse(metadataProvider.getMetadataTxnContext(), dvName);
+ if (dv != null && !stmtCreateDataverse.getIfNotExists()) {
+ throw new AlgebricksException("A dataverse with this name " + dvName + " already exists.");
+ }
+ MetadataManager.INSTANCE.addDataverse(metadataProvider.getMetadataTxnContext(), new Dataverse(dvName,
+ stmtCreateDataverse.getFormat(), IMetadataEntity.PENDING_NO_OP));
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ } catch (Exception e) {
+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+ throw new AlgebricksException(e);
+ } finally {
+ releaseWriteLatch();
}
- MetadataManager.INSTANCE.addDataverse(metadataProvider.getMetadataTxnContext(), new Dataverse(dvName,
- stmtCreateDataverse.getFormat()));
}
private void handleCreateDatasetStatement(AqlMetadataProvider metadataProvider, Statement stmt,
IHyracksClientConnection hcc, List<JobSpecification> jobsToExecute) throws AsterixException, Exception {
- DatasetDecl dd = (DatasetDecl) stmt;
- String dataverseName = dd.getDataverse() != null ? dd.getDataverse().getValue()
- : activeDefaultDataverse != null ? activeDefaultDataverse.getDataverseName() : null;
- if (dataverseName == null) {
- throw new AlgebricksException(" dataverse not specified ");
- }
- String datasetName = dd.getName().getValue();
- DatasetType dsType = dd.getDatasetType();
- String itemTypeName = dd.getItemTypeName().getValue();
- IDatasetDetails datasetDetails = null;
- Dataset ds = MetadataManager.INSTANCE.getDataset(metadataProvider.getMetadataTxnContext(), dataverseName,
- datasetName);
- if (ds != null) {
- if (dd.getIfNotExists()) {
- return;
- } else {
- throw new AlgebricksException("A dataset with this name " + datasetName + " already exists.");
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ boolean bActiveTxn = true;
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+ acquireWriteLatch();
+
+ String dataverseName = null;
+ String datasetName = null;
+ try {
+ DatasetDecl dd = (DatasetDecl) stmt;
+ dataverseName = dd.getDataverse() != null ? dd.getDataverse().getValue()
+ : activeDefaultDataverse != null ? activeDefaultDataverse.getDataverseName() : null;
+ if (dataverseName == null) {
+ throw new AlgebricksException(" dataverse not specified ");
}
- }
- Datatype dt = MetadataManager.INSTANCE.getDatatype(metadataProvider.getMetadataTxnContext(), dataverseName,
- itemTypeName);
- if (dt == null) {
- throw new AlgebricksException(": type " + itemTypeName + " could not be found.");
- }
- switch (dd.getDatasetType()) {
- case INTERNAL: {
- IAType itemType = dt.getDatatype();
- if (itemType.getTypeTag() != ATypeTag.RECORD) {
- throw new AlgebricksException("Can only partition ARecord's.");
+ datasetName = dd.getName().getValue();
+
+ DatasetType dsType = dd.getDatasetType();
+ String itemTypeName = dd.getItemTypeName().getValue();
+
+ IDatasetDetails datasetDetails = null;
+ Dataset ds = MetadataManager.INSTANCE.getDataset(metadataProvider.getMetadataTxnContext(), dataverseName,
+ datasetName);
+ if (ds != null) {
+ if (dd.getIfNotExists()) {
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ return;
+ } else {
+ throw new AlgebricksException("A dataset with this name " + datasetName + " already exists.");
}
- List<String> partitioningExprs = ((InternalDetailsDecl) dd.getDatasetDetailsDecl())
- .getPartitioningExprs();
- String ngName = ((InternalDetailsDecl) dd.getDatasetDetailsDecl()).getNodegroupName().getValue();
- datasetDetails = new InternalDatasetDetails(InternalDatasetDetails.FileStructure.BTREE,
- InternalDatasetDetails.PartitioningStrategy.HASH, partitioningExprs, partitioningExprs, ngName);
- break;
}
- case EXTERNAL: {
- String adapter = ((ExternalDetailsDecl) dd.getDatasetDetailsDecl()).getAdapter();
- Map<String, String> properties = ((ExternalDetailsDecl) dd.getDatasetDetailsDecl()).getProperties();
- datasetDetails = new ExternalDatasetDetails(adapter, properties);
- break;
+ Datatype dt = MetadataManager.INSTANCE.getDatatype(metadataProvider.getMetadataTxnContext(), dataverseName,
+ itemTypeName);
+ if (dt == null) {
+ throw new AlgebricksException(": type " + itemTypeName + " could not be found.");
}
- case FEED: {
- IAType itemType = dt.getDatatype();
- if (itemType.getTypeTag() != ATypeTag.RECORD) {
- throw new AlgebricksException("Can only partition ARecord's.");
+ switch (dd.getDatasetType()) {
+ case INTERNAL: {
+ IAType itemType = dt.getDatatype();
+ if (itemType.getTypeTag() != ATypeTag.RECORD) {
+ throw new AlgebricksException("Can only partition ARecord's.");
+ }
+ List<String> partitioningExprs = ((InternalDetailsDecl) dd.getDatasetDetailsDecl())
+ .getPartitioningExprs();
+ String ngName = ((InternalDetailsDecl) dd.getDatasetDetailsDecl()).getNodegroupName().getValue();
+ datasetDetails = new InternalDatasetDetails(InternalDatasetDetails.FileStructure.BTREE,
+ InternalDatasetDetails.PartitioningStrategy.HASH, partitioningExprs, partitioningExprs,
+ ngName);
+ break;
}
- List<String> partitioningExprs = ((FeedDetailsDecl) dd.getDatasetDetailsDecl()).getPartitioningExprs();
- String ngName = ((FeedDetailsDecl) dd.getDatasetDetailsDecl()).getNodegroupName().getValue();
- String adapter = ((FeedDetailsDecl) dd.getDatasetDetailsDecl()).getAdapterFactoryClassname();
- Map<String, String> configuration = ((FeedDetailsDecl) dd.getDatasetDetailsDecl()).getConfiguration();
- FunctionSignature signature = ((FeedDetailsDecl) dd.getDatasetDetailsDecl()).getFunctionSignature();
- datasetDetails = new FeedDatasetDetails(InternalDatasetDetails.FileStructure.BTREE,
- InternalDatasetDetails.PartitioningStrategy.HASH, partitioningExprs, partitioningExprs, ngName,
- adapter, configuration, signature, FeedDatasetDetails.FeedState.INACTIVE.toString());
- break;
+ case EXTERNAL: {
+ String adapter = ((ExternalDetailsDecl) dd.getDatasetDetailsDecl()).getAdapter();
+ Map<String, String> properties = ((ExternalDetailsDecl) dd.getDatasetDetailsDecl()).getProperties();
+ datasetDetails = new ExternalDatasetDetails(adapter, properties);
+ break;
+ }
+ case FEED: {
+ IAType itemType = dt.getDatatype();
+ if (itemType.getTypeTag() != ATypeTag.RECORD) {
+ throw new AlgebricksException("Can only partition ARecord's.");
+ }
+ List<String> partitioningExprs = ((FeedDetailsDecl) dd.getDatasetDetailsDecl())
+ .getPartitioningExprs();
+ String ngName = ((FeedDetailsDecl) dd.getDatasetDetailsDecl()).getNodegroupName().getValue();
+ String adapter = ((FeedDetailsDecl) dd.getDatasetDetailsDecl()).getAdapterFactoryClassname();
+ Map<String, String> configuration = ((FeedDetailsDecl) dd.getDatasetDetailsDecl())
+ .getConfiguration();
+ FunctionSignature signature = ((FeedDetailsDecl) dd.getDatasetDetailsDecl()).getFunctionSignature();
+ datasetDetails = new FeedDatasetDetails(InternalDatasetDetails.FileStructure.BTREE,
+ InternalDatasetDetails.PartitioningStrategy.HASH, partitioningExprs, partitioningExprs,
+ ngName, adapter, configuration, signature, FeedDatasetDetails.FeedState.INACTIVE.toString());
+ break;
+ }
}
- }
- MetadataManager.INSTANCE.addDataset(metadataProvider.getMetadataTxnContext(), new Dataset(dataverseName,
- datasetName, itemTypeName, datasetDetails, dd.getHints(), dsType));
- if (dd.getDatasetType() == DatasetType.INTERNAL || dd.getDatasetType() == DatasetType.FEED) {
- Dataverse dataverse = MetadataManager.INSTANCE.getDataverse(metadataProvider.getMetadataTxnContext(),
- dataverseName);
- runJob(hcc, DatasetOperations.createDatasetJobSpec(dataverse, datasetName, metadataProvider));
+
+ //#. add a new dataset with PendingAddOp
+ Dataset dataset = new Dataset(dataverseName, datasetName, itemTypeName, datasetDetails, dd.getHints(),
+ dsType, DatasetIdFactory.generateDatasetId(), IMetadataEntity.PENDING_ADD_OP);
+ MetadataManager.INSTANCE.addDataset(metadataProvider.getMetadataTxnContext(), dataset);
+
+ if (dd.getDatasetType() == DatasetType.INTERNAL || dd.getDatasetType() == DatasetType.FEED) {
+ Dataverse dataverse = MetadataManager.INSTANCE.getDataverse(metadataProvider.getMetadataTxnContext(),
+ dataverseName);
+ JobSpecification jobSpec = DatasetOperations.createDatasetJobSpec(dataverse, datasetName,
+ metadataProvider);
+
+ //#. make metadataTxn commit before calling runJob.
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ bActiveTxn = false;
+
+ //#. runJob
+ runJob(hcc, jobSpec);
+
+ //#. begin new metadataTxn
+ mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ bActiveTxn = true;
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+ }
+
+ //#. add a new dataset with PendingNoOp after deleting the dataset with PendingAddOp
+ MetadataManager.INSTANCE.dropDataset(metadataProvider.getMetadataTxnContext(), dataverseName, datasetName);
+ MetadataManager.INSTANCE.addDataset(metadataProvider.getMetadataTxnContext(), new Dataset(dataverseName,
+ datasetName, itemTypeName, datasetDetails, dd.getHints(), dsType, dataset.getDatasetId(),
+ IMetadataEntity.PENDING_NO_OP));
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ } catch (Exception e) {
+ if (bActiveTxn) {
+ e.printStackTrace();
+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+ }
+
+ //#. execute compensation operations
+ // remove the index in NC
+ mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ bActiveTxn = true;
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+ CompiledDatasetDropStatement cds = new CompiledDatasetDropStatement(dataverseName, datasetName);
+ try {
+ JobSpecification jobSpec = DatasetOperations.createDropDatasetJobSpec(cds, metadataProvider);
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ bActiveTxn = false;
+
+ runJob(hcc, jobSpec);
+ } catch (Exception e3) {
+ if (bActiveTxn) {
+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+ }
+ //do no throw exception since still the metadata needs to be compensated.
+ }
+
+ // remove the record from the metadata.
+ mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+ try {
+ MetadataManager.INSTANCE.dropDataset(metadataProvider.getMetadataTxnContext(), dataverseName,
+ datasetName);
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ } catch (Exception e2) {
+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+ throw new AlgebricksException(e2);
+ }
+
+ throw new AlgebricksException(e);
+ } finally {
+ releaseWriteLatch();
}
}
private void handleCreateIndexStatement(AqlMetadataProvider metadataProvider, Statement stmt,
IHyracksClientConnection hcc, List<JobSpecification> jobsToExecute) throws Exception {
- CreateIndexStatement stmtCreateIndex = (CreateIndexStatement) stmt;
- String dataverseName = stmtCreateIndex.getDataverseName() == null ? activeDefaultDataverse == null ? null
- : activeDefaultDataverse.getDataverseName() : stmtCreateIndex.getDataverseName().getValue();
- if (dataverseName == null) {
- throw new AlgebricksException(" dataverse not specified ");
- }
- String datasetName = stmtCreateIndex.getDatasetName().getValue();
- Dataset ds = MetadataManager.INSTANCE.getDataset(metadataProvider.getMetadataTxnContext(), dataverseName,
- datasetName);
- if (ds == null) {
- throw new AlgebricksException("There is no dataset with this name " + datasetName + " in dataverse "
- + dataverseName);
- }
- String indexName = stmtCreateIndex.getIndexName().getValue();
- Index idx = MetadataManager.INSTANCE.getIndex(metadataProvider.getMetadataTxnContext(), dataverseName,
- datasetName, indexName);
- if (idx != null) {
- if (!stmtCreateIndex.getIfNotExists()) {
- throw new AlgebricksException("An index with this name " + indexName + " already exists.");
- } else {
- stmtCreateIndex.setNeedToCreate(false);
- }
- } else {
- Index index = new Index(dataverseName, datasetName, indexName, stmtCreateIndex.getIndexType(),
- stmtCreateIndex.getFieldExprs(), stmtCreateIndex.getGramLength(), false);
- MetadataManager.INSTANCE.addIndex(metadataProvider.getMetadataTxnContext(), index);
- runCreateIndexJob(hcc, stmtCreateIndex, metadataProvider);
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ boolean bActiveTxn = true;
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+ acquireWriteLatch();
+
+ String dataverseName = null;
+ String datasetName = null;
+ String indexName = null;
+ try {
+ CreateIndexStatement stmtCreateIndex = (CreateIndexStatement) stmt;
+ dataverseName = stmtCreateIndex.getDataverseName() == null ? activeDefaultDataverse == null ? null
+ : activeDefaultDataverse.getDataverseName() : stmtCreateIndex.getDataverseName().getValue();
+ if (dataverseName == null) {
+ throw new AlgebricksException(" dataverse not specified ");
+ }
+ datasetName = stmtCreateIndex.getDatasetName().getValue();
+
+ Dataset ds = MetadataManager.INSTANCE.getDataset(metadataProvider.getMetadataTxnContext(), dataverseName,
+ datasetName);
+ if (ds == null) {
+ throw new AlgebricksException("There is no dataset with this name " + datasetName + " in dataverse "
+ + dataverseName);
+ }
+
+ indexName = stmtCreateIndex.getIndexName().getValue();
+ Index idx = MetadataManager.INSTANCE.getIndex(metadataProvider.getMetadataTxnContext(), dataverseName,
+ datasetName, indexName);
+
+ if (idx != null) {
+ if (!stmtCreateIndex.getIfNotExists()) {
+ throw new AlgebricksException("An index with this name " + indexName + " already exists.");
+ } else {
+ stmtCreateIndex.setNeedToCreate(false);
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ return;
+ }
+ }
+
+ //#. add a new index with PendingAddOp
+ Index index = new Index(dataverseName, datasetName, indexName, stmtCreateIndex.getIndexType(),
+ stmtCreateIndex.getFieldExprs(), stmtCreateIndex.getGramLength(), false,
+ IMetadataEntity.PENDING_ADD_OP);
+ MetadataManager.INSTANCE.addIndex(metadataProvider.getMetadataTxnContext(), index);
+
+ //#. create the index artifact in NC.
CompiledCreateIndexStatement cis = new CompiledCreateIndexStatement(index.getIndexName(), dataverseName,
index.getDatasetName(), index.getKeyFieldNames(), index.getGramLength(), index.getIndexType());
- JobSpecification loadIndexJobSpec = IndexOperations
- .buildSecondaryIndexLoadingJobSpec(cis, metadataProvider);
- runJob(hcc, loadIndexJobSpec);
+ JobSpecification spec = IndexOperations.buildSecondaryIndexCreationJobSpec(cis, metadataProvider);
+ if (spec == null) {
+ throw new AsterixException("Failed to create job spec for creating index '"
+ + stmtCreateIndex.getDatasetName() + "." + stmtCreateIndex.getIndexName() + "'");
+ }
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ bActiveTxn = false;
+
+ runJob(hcc, spec);
+
+ mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ bActiveTxn = true;
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+
+ //#. load data into the index in NC.
+ cis = new CompiledCreateIndexStatement(index.getIndexName(), dataverseName, index.getDatasetName(),
+ index.getKeyFieldNames(), index.getGramLength(), index.getIndexType());
+ spec = IndexOperations.buildSecondaryIndexLoadingJobSpec(cis, metadataProvider);
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ bActiveTxn = false;
+
+ runJob(hcc, spec);
+
+ //#. begin new metadataTxn
+ mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ bActiveTxn = true;
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+
+ //#. add another new index with PendingNoOp after deleting the index with PendingAddOp
+ MetadataManager.INSTANCE.dropIndex(metadataProvider.getMetadataTxnContext(), dataverseName, datasetName,
+ indexName);
+ index = new Index(dataverseName, datasetName, indexName, stmtCreateIndex.getIndexType(),
+ stmtCreateIndex.getFieldExprs(), stmtCreateIndex.getGramLength(), false,
+ IMetadataEntity.PENDING_NO_OP);
+ MetadataManager.INSTANCE.addIndex(metadataProvider.getMetadataTxnContext(), index);
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+
+ } catch (Exception e) {
+ if (bActiveTxn) {
+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+ }
+
+ //#. execute compensation operations
+ // remove the index in NC
+ mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ bActiveTxn = true;
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+ CompiledIndexDropStatement cds = new CompiledIndexDropStatement(dataverseName, datasetName, indexName);
+ try {
+ JobSpecification jobSpec = IndexOperations.buildDropSecondaryIndexJobSpec(cds, metadataProvider);
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ bActiveTxn = false;
+
+ runJob(hcc, jobSpec);
+ } catch (Exception e3) {
+ if (bActiveTxn) {
+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+ }
+ //do no throw exception since still the metadata needs to be compensated.
+ }
+
+ // remove the record from the metadata.
+ mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+ try {
+ MetadataManager.INSTANCE.dropIndex(metadataProvider.getMetadataTxnContext(), dataverseName,
+ datasetName, indexName);
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ } catch (Exception e2) {
+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+ throw new AlgebricksException(e2);
+ }
+
+ throw new AlgebricksException(e);
+ } finally {
+ releaseWriteLatch();
}
}
private void handleCreateTypeStatement(AqlMetadataProvider metadataProvider, Statement stmt,
List<JobSpecification> jobsToExecute) throws AlgebricksException, RemoteException, ACIDException,
MetadataException {
- MetadataTransactionContext mdTxnCtx = metadataProvider.getMetadataTxnContext();
- TypeDecl stmtCreateType = (TypeDecl) stmt;
- String dataverseName = stmtCreateType.getDataverseName() == null ? activeDefaultDataverse == null ? null
- : activeDefaultDataverse.getDataverseName() : stmtCreateType.getDataverseName().getValue();
- if (dataverseName == null) {
- throw new AlgebricksException(" dataverse not specified ");
- }
- String typeName = stmtCreateType.getIdent().getValue();
- Dataverse dv = MetadataManager.INSTANCE.getDataverse(mdTxnCtx, dataverseName);
- if (dv == null) {
- throw new AlgebricksException("Unknonw dataverse " + dataverseName);
- }
- Datatype dt = MetadataManager.INSTANCE.getDatatype(mdTxnCtx, dataverseName, typeName);
- if (dt != null) {
- if (!stmtCreateType.getIfNotExists())
- throw new AlgebricksException("A datatype with this name " + typeName + " already exists.");
- } else {
- if (builtinTypeMap.get(typeName) != null) {
- throw new AlgebricksException("Cannot redefine builtin type " + typeName + ".");
- } else {
- Map<TypeSignature, IAType> typeMap = TypeTranslator.computeTypes(mdTxnCtx, (TypeDecl) stmt,
- dataverseName);
- TypeSignature typeSignature = new TypeSignature(dataverseName, typeName);
- IAType type = typeMap.get(typeSignature);
- MetadataManager.INSTANCE.addDatatype(mdTxnCtx, new Datatype(dataverseName, typeName, type, false));
+
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+ acquireWriteLatch();
+
+ try {
+ TypeDecl stmtCreateType = (TypeDecl) stmt;
+ String dataverseName = stmtCreateType.getDataverseName() == null ? activeDefaultDataverse == null ? null
+ : activeDefaultDataverse.getDataverseName() : stmtCreateType.getDataverseName().getValue();
+ if (dataverseName == null) {
+ throw new AlgebricksException(" dataverse not specified ");
}
+ String typeName = stmtCreateType.getIdent().getValue();
+ Dataverse dv = MetadataManager.INSTANCE.getDataverse(mdTxnCtx, dataverseName);
+ if (dv == null) {
+ throw new AlgebricksException("Unknonw dataverse " + dataverseName);
+ }
+ Datatype dt = MetadataManager.INSTANCE.getDatatype(mdTxnCtx, dataverseName, typeName);
+ if (dt != null) {
+ if (!stmtCreateType.getIfNotExists()) {
+ throw new AlgebricksException("A datatype with this name " + typeName + " already exists.");
+ }
+ } else {
+ if (builtinTypeMap.get(typeName) != null) {
+ throw new AlgebricksException("Cannot redefine builtin type " + typeName + ".");
+ } else {
+ Map<TypeSignature, IAType> typeMap = TypeTranslator.computeTypes(mdTxnCtx, (TypeDecl) stmt,
+ dataverseName);
+ TypeSignature typeSignature = new TypeSignature(dataverseName, typeName);
+ IAType type = typeMap.get(typeSignature);
+ MetadataManager.INSTANCE.addDatatype(mdTxnCtx, new Datatype(dataverseName, typeName, type, false));
+ }
+ }
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ } catch (Exception e) {
+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+ throw new AlgebricksException(e);
+ } finally {
+ releaseWriteLatch();
}
}
private void handleDataverseDropStatement(AqlMetadataProvider metadataProvider, Statement stmt,
IHyracksClientConnection hcc, List<JobSpecification> jobsToExecute) throws Exception {
- MetadataTransactionContext mdTxnCtx = metadataProvider.getMetadataTxnContext();
- DataverseDropStatement stmtDelete = (DataverseDropStatement) stmt;
- String dvName = stmtDelete.getDataverseName().getValue();
- Dataverse dv = MetadataManager.INSTANCE.getDataverse(mdTxnCtx, dvName);
- if (dv == null) {
- if (!stmtDelete.getIfExists()) {
- throw new AlgebricksException("There is no dataverse with this name " + dvName + ".");
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ boolean bActiveTxn = true;
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+ acquireWriteLatch();
+
+ String dvName = null;
+ try {
+ DataverseDropStatement stmtDelete = (DataverseDropStatement) stmt;
+ dvName = stmtDelete.getDataverseName().getValue();
+
+ Dataverse dv = MetadataManager.INSTANCE.getDataverse(mdTxnCtx, dvName);
+ if (dv == null) {
+ if (!stmtDelete.getIfExists()) {
+ throw new AlgebricksException("There is no dataverse with this name " + dvName + ".");
+ }
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ return;
}
- } else {
+
+ //#. prepare jobs which will drop corresponding datasets with indexes.
List<Dataset> datasets = MetadataManager.INSTANCE.getDataverseDatasets(mdTxnCtx, dvName);
for (int j = 0; j < datasets.size(); j++) {
String datasetName = datasets.get(j).getDatasetName();
DatasetType dsType = datasets.get(j).getDatasetType();
if (dsType == DatasetType.INTERNAL || dsType == DatasetType.FEED) {
+
List<Index> indexes = MetadataManager.INSTANCE.getDatasetIndexes(mdTxnCtx, dvName, datasetName);
for (int k = 0; k < indexes.size(); k++) {
if (indexes.get(k).isSecondaryIndex()) {
- compileIndexDropStatement(hcc, dvName, datasetName, indexes.get(k).getIndexName(),
- metadataProvider);
+ CompiledIndexDropStatement cds = new CompiledIndexDropStatement(dvName, datasetName,
+ indexes.get(k).getIndexName());
+ jobsToExecute.add(IndexOperations.buildDropSecondaryIndexJobSpec(cds, metadataProvider));
}
}
+
+ CompiledDatasetDropStatement cds = new CompiledDatasetDropStatement(dvName, datasetName);
+ jobsToExecute.add(DatasetOperations.createDropDatasetJobSpec(cds, metadataProvider));
}
- compileDatasetDropStatement(hcc, dvName, datasetName, metadataProvider);
}
+ //#. mark PendingDropOp on the dataverse record by
+ // first, deleting the dataverse record from the DATAVERSE_DATASET
+ // second, inserting the dataverse record with the PendingDropOp value into the DATAVERSE_DATASET
+ MetadataManager.INSTANCE.dropDataverse(mdTxnCtx, dvName);
+ MetadataManager.INSTANCE.addDataverse(mdTxnCtx, new Dataverse(dvName, dv.getDataFormat(),
+ IMetadataEntity.PENDING_DROP_OP));
+
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ bActiveTxn = false;
+
+ for (JobSpecification jobSpec : jobsToExecute) {
+ runJob(hcc, jobSpec);
+ }
+
+ mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ bActiveTxn = true;
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+
+ //#. finally, delete the dataverse.
MetadataManager.INSTANCE.dropDataverse(mdTxnCtx, dvName);
if (activeDefaultDataverse != null && activeDefaultDataverse.getDataverseName() == dvName) {
activeDefaultDataverse = null;
}
+
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ } catch (Exception e) {
+ if (bActiveTxn) {
+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+ }
+
+ //#. execute compensation operations
+ // remove the all indexes in NC
+ for (JobSpecification jobSpec : jobsToExecute) {
+ runJob(hcc, jobSpec);
+ }
+
+ // remove the record from the metadata.
+ mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+ try {
+ MetadataManager.INSTANCE.dropDataverse(metadataProvider.getMetadataTxnContext(), dvName);
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ } catch (Exception e2) {
+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+ throw new AlgebricksException(e2);
+ }
+
+ throw new AlgebricksException(e);
+ } finally {
+ releaseWriteLatch();
}
}
private void handleDatasetDropStatement(AqlMetadataProvider metadataProvider, Statement stmt,
IHyracksClientConnection hcc, List<JobSpecification> jobsToExecute) throws Exception {
- MetadataTransactionContext mdTxnCtx = metadataProvider.getMetadataTxnContext();
- DropStatement stmtDelete = (DropStatement) stmt;
- String dataverseName = stmtDelete.getDataverseName() == null ? activeDefaultDataverse == null ? null
- : activeDefaultDataverse.getDataverseName() : stmtDelete.getDataverseName().getValue();
- if (dataverseName == null) {
- throw new AlgebricksException(" dataverse not specified ");
- }
- String datasetName = stmtDelete.getDatasetName().getValue();
- Dataset ds = MetadataManager.INSTANCE.getDataset(mdTxnCtx, dataverseName, datasetName);
- if (ds == null) {
- if (!stmtDelete.getIfExists())
- throw new AlgebricksException("There is no dataset with this name " + datasetName + " in dataverse "
- + dataverseName + ".");
- } else {
+
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ boolean bActiveTxn = true;
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+ acquireWriteLatch();
+
+ String dataverseName = null;
+ String datasetName = null;
+ try {
+ DropStatement stmtDelete = (DropStatement) stmt;
+ dataverseName = stmtDelete.getDataverseName() == null ? activeDefaultDataverse == null ? null
+ : activeDefaultDataverse.getDataverseName() : stmtDelete.getDataverseName().getValue();
+ if (dataverseName == null) {
+ throw new AlgebricksException(" dataverse not specified ");
+ }
+ datasetName = stmtDelete.getDatasetName().getValue();
+
+ Dataset ds = MetadataManager.INSTANCE.getDataset(mdTxnCtx, dataverseName, datasetName);
+ if (ds == null) {
+ if (!stmtDelete.getIfExists()) {
+ throw new AlgebricksException("There is no dataset with this name " + datasetName
+ + " in dataverse " + dataverseName + ".");
+ }
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ return;
+ }
+
if (ds.getDatasetType() == DatasetType.INTERNAL || ds.getDatasetType() == DatasetType.FEED) {
+
+ //#. prepare jobs to drop the datatset and the indexes in NC
List<Index> indexes = MetadataManager.INSTANCE.getDatasetIndexes(mdTxnCtx, dataverseName, datasetName);
for (int j = 0; j < indexes.size(); j++) {
- if (indexes.get(j).isPrimaryIndex()) {
- compileIndexDropStatement(hcc, dataverseName, datasetName, indexes.get(j).getIndexName(),
- metadataProvider);
+ if (indexes.get(j).isSecondaryIndex()) {
+ CompiledIndexDropStatement cds = new CompiledIndexDropStatement(dataverseName, datasetName,
+ indexes.get(j).getIndexName());
+ jobsToExecute.add(IndexOperations.buildDropSecondaryIndexJobSpec(cds, metadataProvider));
}
}
+ CompiledDatasetDropStatement cds = new CompiledDatasetDropStatement(dataverseName, datasetName);
+ jobsToExecute.add(DatasetOperations.createDropDatasetJobSpec(cds, metadataProvider));
+
+ //#. mark the existing dataset as PendingDropOp
+ MetadataManager.INSTANCE.dropDataset(mdTxnCtx, dataverseName, datasetName);
+ MetadataManager.INSTANCE.addDataset(
+ mdTxnCtx,
+ new Dataset(dataverseName, datasetName, ds.getItemTypeName(), ds.getDatasetDetails(), ds
+ .getHints(), ds.getDatasetType(), ds.getDatasetId(), IMetadataEntity.PENDING_DROP_OP));
+
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ bActiveTxn = false;
+
+ //#. run the jobs
+ for (JobSpecification jobSpec : jobsToExecute) {
+ runJob(hcc, jobSpec);
+ }
+
+ mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ bActiveTxn = true;
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
}
- compileDatasetDropStatement(hcc, dataverseName, datasetName, metadataProvider);
+
+ //#. finally, delete the dataset.
+ MetadataManager.INSTANCE.dropDataset(mdTxnCtx, dataverseName, datasetName);
+
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ } catch (Exception e) {
+ if (bActiveTxn) {
+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+ }
+
+ //#. execute compensation operations
+ // remove the all indexes in NC
+ for (JobSpecification jobSpec : jobsToExecute) {
+ runJob(hcc, jobSpec);
+ }
+
+ // remove the record from the metadata.
+ mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+ try {
+ MetadataManager.INSTANCE.dropDataset(metadataProvider.getMetadataTxnContext(), dataverseName,
+ datasetName);
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ } catch (Exception e2) {
+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+ throw new AlgebricksException(e2);
+ }
+
+ throw new AlgebricksException(e);
+ } finally {
+ releaseWriteLatch();
}
}
private void handleIndexDropStatement(AqlMetadataProvider metadataProvider, Statement stmt,
IHyracksClientConnection hcc, List<JobSpecification> jobsToExecute) throws Exception {
- MetadataTransactionContext mdTxnCtx = metadataProvider.getMetadataTxnContext();
- IndexDropStatement stmtIndexDrop = (IndexDropStatement) stmt;
- String datasetName = stmtIndexDrop.getDatasetName().getValue();
- String dataverseName = stmtIndexDrop.getDataverseName() == null ? activeDefaultDataverse == null ? null
- : activeDefaultDataverse.getDataverseName() : stmtIndexDrop.getDataverseName().getValue();
- if (dataverseName == null) {
- throw new AlgebricksException(" dataverse not specified ");
- }
- Dataset ds = MetadataManager.INSTANCE.getDataset(mdTxnCtx, dataverseName, datasetName);
- if (ds == null)
- throw new AlgebricksException("There is no dataset with this name " + datasetName + " in dataverse "
- + dataverseName);
- if (ds.getDatasetType() == DatasetType.INTERNAL || ds.getDatasetType() == DatasetType.FEED) {
- String indexName = stmtIndexDrop.getIndexName().getValue();
- Index idx = MetadataManager.INSTANCE.getIndex(mdTxnCtx, dataverseName, datasetName, indexName);
- if (idx == null) {
- if (!stmtIndexDrop.getIfExists())
- throw new AlgebricksException("There is no index with this name " + indexName + ".");
- } else
- compileIndexDropStatement(hcc, dataverseName, datasetName, indexName, metadataProvider);
- } else {
- throw new AlgebricksException(datasetName
- + " is an external dataset. Indexes are not maintained for external datasets.");
+
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ boolean bActiveTxn = true;
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+ acquireWriteLatch();
+
+ String dataverseName = null;
+ String datasetName = null;
+ String indexName = null;
+ try {
+ IndexDropStatement stmtIndexDrop = (IndexDropStatement) stmt;
+ datasetName = stmtIndexDrop.getDatasetName().getValue();
+ dataverseName = stmtIndexDrop.getDataverseName() == null ? activeDefaultDataverse == null ? null
+ : activeDefaultDataverse.getDataverseName() : stmtIndexDrop.getDataverseName().getValue();
+ if (dataverseName == null) {
+ throw new AlgebricksException(" dataverse not specified ");
+ }
+
+ Dataset ds = MetadataManager.INSTANCE.getDataset(mdTxnCtx, dataverseName, datasetName);
+ if (ds == null) {
+ throw new AlgebricksException("There is no dataset with this name " + datasetName + " in dataverse "
+ + dataverseName);
+ }
+
+ if (ds.getDatasetType() == DatasetType.INTERNAL || ds.getDatasetType() == DatasetType.FEED) {
+ indexName = stmtIndexDrop.getIndexName().getValue();
+ Index index = MetadataManager.INSTANCE.getIndex(mdTxnCtx, dataverseName, datasetName, indexName);
+ if (index == null) {
+ if (!stmtIndexDrop.getIfExists()) {
+ throw new AlgebricksException("There is no index with this name " + indexName + ".");
+ }
+ } else {
+ //#. prepare a job to drop the index in NC.
+ CompiledIndexDropStatement cds = new CompiledIndexDropStatement(dataverseName, datasetName,
+ indexName);
+ jobsToExecute.add(IndexOperations.buildDropSecondaryIndexJobSpec(cds, metadataProvider));
+
+ //#. mark PendingDropOp on the existing index
+ MetadataManager.INSTANCE.dropIndex(mdTxnCtx, dataverseName, datasetName, indexName);
+ MetadataManager.INSTANCE.addIndex(
+ mdTxnCtx,
+ new Index(dataverseName, datasetName, indexName, index.getIndexType(), index
+ .getKeyFieldNames(), index.isPrimaryIndex(), IMetadataEntity.PENDING_DROP_OP));
+
+ //#. commit the existing transaction before calling runJob.
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ bActiveTxn = false;
+
+ for (JobSpecification jobSpec : jobsToExecute) {
+ runJob(hcc, jobSpec);
+ }
+
+ //#. begin a new transaction
+ mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ bActiveTxn = true;
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+
+ //#. finally, delete the existing index
+ MetadataManager.INSTANCE.dropIndex(mdTxnCtx, dataverseName, datasetName, indexName);
+ }
+ } else {
+ throw new AlgebricksException(datasetName
+ + " is an external dataset. Indexes are not maintained for external datasets.");
+ }
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+
+ } catch (Exception e) {
+ if (bActiveTxn) {
+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+ }
+
+ //#. execute compensation operations
+ // remove the all indexes in NC
+ for (JobSpecification jobSpec : jobsToExecute) {
+ runJob(hcc, jobSpec);
+ }
+
+ // remove the record from the metadata.
+ mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+ try {
+ MetadataManager.INSTANCE.dropIndex(metadataProvider.getMetadataTxnContext(), dataverseName,
+ datasetName, indexName);
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ } catch (Exception e2) {
+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+ throw new AlgebricksException(e2);
+ }
+
+ throw new AlgebricksException(e);
+
+ } finally {
+ releaseWriteLatch();
}
}
private void handleTypeDropStatement(AqlMetadataProvider metadataProvider, Statement stmt,
List<JobSpecification> jobsToExecute) throws AlgebricksException, MetadataException, RemoteException,
ACIDException {
- MetadataTransactionContext mdTxnCtx = metadataProvider.getMetadataTxnContext();
- TypeDropStatement stmtTypeDrop = (TypeDropStatement) stmt;
- String dataverseName = stmtTypeDrop.getDataverseName() == null ? (activeDefaultDataverse == null ? null
- : activeDefaultDataverse.getDataverseName()) : stmtTypeDrop.getDataverseName().getValue();
- if (dataverseName == null) {
- throw new AlgebricksException(" dataverse not specified ");
- }
- String typeName = stmtTypeDrop.getTypeName().getValue();
- Datatype dt = MetadataManager.INSTANCE.getDatatype(mdTxnCtx, dataverseName, typeName);
- if (dt == null) {
- if (!stmtTypeDrop.getIfExists())
- throw new AlgebricksException("There is no datatype with this name " + typeName + ".");
- } else {
- MetadataManager.INSTANCE.dropDatatype(mdTxnCtx, dataverseName, typeName);
+
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+ acquireWriteLatch();
+
+ try {
+ TypeDropStatement stmtTypeDrop = (TypeDropStatement) stmt;
+ String dataverseName = stmtTypeDrop.getDataverseName() == null ? (activeDefaultDataverse == null ? null
+ : activeDefaultDataverse.getDataverseName()) : stmtTypeDrop.getDataverseName().getValue();
+ if (dataverseName == null) {
+ throw new AlgebricksException(" dataverse not specified ");
+ }
+ String typeName = stmtTypeDrop.getTypeName().getValue();
+ Datatype dt = MetadataManager.INSTANCE.getDatatype(mdTxnCtx, dataverseName, typeName);
+ if (dt == null) {
+ if (!stmtTypeDrop.getIfExists())
+ throw new AlgebricksException("There is no datatype with this name " + typeName + ".");
+ } else {
+ MetadataManager.INSTANCE.dropDatatype(mdTxnCtx, dataverseName, typeName);
+ }
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ } catch (Exception e) {
+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+ throw new AlgebricksException(e);
+ } finally {
+ releaseWriteLatch();
}
}
private void handleNodegroupDropStatement(AqlMetadataProvider metadataProvider, Statement stmt,
List<JobSpecification> jobsToExecute) throws MetadataException, AlgebricksException, RemoteException,
ACIDException {
- MetadataTransactionContext mdTxnCtx = metadataProvider.getMetadataTxnContext();
- NodeGroupDropStatement stmtDelete = (NodeGroupDropStatement) stmt;
- String nodegroupName = stmtDelete.getNodeGroupName().getValue();
- NodeGroup ng = MetadataManager.INSTANCE.getNodegroup(mdTxnCtx, nodegroupName);
- if (ng == null) {
- if (!stmtDelete.getIfExists())
- throw new AlgebricksException("There is no nodegroup with this name " + nodegroupName + ".");
- } else {
- MetadataManager.INSTANCE.dropNodegroup(mdTxnCtx, nodegroupName);
+
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+ acquireWriteLatch();
+
+ try {
+ NodeGroupDropStatement stmtDelete = (NodeGroupDropStatement) stmt;
+ String nodegroupName = stmtDelete.getNodeGroupName().getValue();
+ NodeGroup ng = MetadataManager.INSTANCE.getNodegroup(mdTxnCtx, nodegroupName);
+ if (ng == null) {
+ if (!stmtDelete.getIfExists())
+ throw new AlgebricksException("There is no nodegroup with this name " + nodegroupName + ".");
+ } else {
+ MetadataManager.INSTANCE.dropNodegroup(mdTxnCtx, nodegroupName);
+ }
+
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ } catch (Exception e) {
+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+ throw new AlgebricksException(e);
+ } finally {
+ releaseWriteLatch();
}
}
private void handleCreateFunctionStatement(AqlMetadataProvider metadataProvider, Statement stmt,
List<JobSpecification> jobsToExecute) throws AlgebricksException, MetadataException, RemoteException,
ACIDException {
- MetadataTransactionContext mdTxnCtx = metadataProvider.getMetadataTxnContext();
- CreateFunctionStatement cfs = (CreateFunctionStatement) stmt;
- String dataverse = cfs.getSignature().getNamespace() == null ? activeDefaultDataverse == null ? null
- : activeDefaultDataverse.getDataverseName() : cfs.getSignature().getNamespace();
- if (dataverse == null) {
- throw new AlgebricksException(" dataverse not specified ");
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+ acquireWriteLatch();
+
+ try {
+ CreateFunctionStatement cfs = (CreateFunctionStatement) stmt;
+ String dataverse = cfs.getSignature().getNamespace() == null ? activeDefaultDataverse == null ? null
+ : activeDefaultDataverse.getDataverseName() : cfs.getSignature().getNamespace();
+ if (dataverse == null) {
+ throw new AlgebricksException(" dataverse not specified ");
+ }
+ Dataverse dv = MetadataManager.INSTANCE.getDataverse(mdTxnCtx, dataverse);
+ if (dv == null) {
+ throw new AlgebricksException("There is no dataverse with this name " + dataverse + ".");
+ }
+ Function function = new Function(dataverse, cfs.getaAterixFunction().getName(), cfs.getaAterixFunction()
+ .getArity(), cfs.getParamList(), Function.RETURNTYPE_VOID, cfs.getFunctionBody(),
+ Function.LANGUAGE_AQL, FunctionKind.SCALAR.toString());
+ MetadataManager.INSTANCE.addFunction(mdTxnCtx, function);
+
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ } catch (Exception e) {
+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+ throw new AlgebricksException(e);
+ } finally {
+ releaseWriteLatch();
}
- Dataverse dv = MetadataManager.INSTANCE.getDataverse(mdTxnCtx, dataverse);
- if (dv == null) {
- throw new AlgebricksException("There is no dataverse with this name " + dataverse + ".");
- }
- Function function = new Function(dataverse, cfs.getaAterixFunction().getName(), cfs.getaAterixFunction()
- .getArity(), cfs.getParamList(), Function.RETURNTYPE_VOID, cfs.getFunctionBody(),
- Function.LANGUAGE_AQL, FunctionKind.SCALAR.toString());
- MetadataManager.INSTANCE.addFunction(mdTxnCtx, function);
}
private void handleFunctionDropStatement(AqlMetadataProvider metadataProvider, Statement stmt,
List<JobSpecification> jobsToExecute) throws MetadataException, RemoteException, ACIDException,
AlgebricksException {
- MetadataTransactionContext mdTxnCtx = metadataProvider.getMetadataTxnContext();
- FunctionDropStatement stmtDropFunction = (FunctionDropStatement) stmt;
- FunctionSignature signature = stmtDropFunction.getFunctionSignature();
- Function function = MetadataManager.INSTANCE.getFunction(mdTxnCtx, signature);
- if (function == null) {
- if (!stmtDropFunction.getIfExists())
- throw new AlgebricksException("Unknonw function " + signature);
- } else {
- MetadataManager.INSTANCE.dropFunction(mdTxnCtx, signature);
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+ acquireWriteLatch();
+
+ try {
+ FunctionDropStatement stmtDropFunction = (FunctionDropStatement) stmt;
+ FunctionSignature signature = stmtDropFunction.getFunctionSignature();
+ Function function = MetadataManager.INSTANCE.getFunction(mdTxnCtx, signature);
+ if (function == null) {
+ if (!stmtDropFunction.getIfExists())
+ throw new AlgebricksException("Unknonw function " + signature);
+ } else {
+ MetadataManager.INSTANCE.dropFunction(mdTxnCtx, signature);
+ }
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ } catch (Exception e) {
+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+ throw new AlgebricksException(e);
+ } finally {
+ releaseWriteLatch();
}
}
private void handleLoadFromFileStatement(AqlMetadataProvider metadataProvider, Statement stmt,
IHyracksClientConnection hcc, List<JobSpecification> jobsToExecute) throws Exception {
- MetadataTransactionContext mdTxnCtx = metadataProvider.getMetadataTxnContext();
- LoadFromFileStatement loadStmt = (LoadFromFileStatement) stmt;
- String dataverseName = loadStmt.getDataverseName() == null ? activeDefaultDataverse == null ? null
- : activeDefaultDataverse.getDataverseName() : loadStmt.getDataverseName().getValue();
- CompiledLoadFromFileStatement cls = new CompiledLoadFromFileStatement(dataverseName, loadStmt.getDatasetName()
- .getValue(), loadStmt.getAdapter(), loadStmt.getProperties(), loadStmt.dataIsAlreadySorted());
- IDataFormat format = getDataFormat(metadataProvider.getMetadataTxnContext(), dataverseName);
- Job job = DatasetOperations.createLoadDatasetJobSpec(metadataProvider, cls, format);
- jobsToExecute.add(job.getJobSpec());
- // Also load the dataset's secondary indexes.
- List<Index> datasetIndexes = MetadataManager.INSTANCE.getDatasetIndexes(mdTxnCtx, dataverseName, loadStmt
- .getDatasetName().getValue());
- for (Index index : datasetIndexes) {
- if (!index.isSecondaryIndex()) {
- continue;
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ boolean bActiveTxn = true;
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+ acquireReadLatch();
+
+ try {
+ LoadFromFileStatement loadStmt = (LoadFromFileStatement) stmt;
+ String dataverseName = loadStmt.getDataverseName() == null ? activeDefaultDataverse == null ? null
+ : activeDefaultDataverse.getDataverseName() : loadStmt.getDataverseName().getValue();
+ CompiledLoadFromFileStatement cls = new CompiledLoadFromFileStatement(dataverseName, loadStmt
+ .getDatasetName().getValue(), loadStmt.getAdapter(), loadStmt.getProperties(),
+ loadStmt.dataIsAlreadySorted());
+
+ IDataFormat format = getDataFormat(metadataProvider.getMetadataTxnContext(), dataverseName);
+ Job job = DatasetOperations.createLoadDatasetJobSpec(metadataProvider, cls, format);
+ jobsToExecute.add(job.getJobSpec());
+ // Also load the dataset's secondary indexes.
+ List<Index> datasetIndexes = MetadataManager.INSTANCE.getDatasetIndexes(mdTxnCtx, dataverseName, loadStmt
+ .getDatasetName().getValue());
+ for (Index index : datasetIndexes) {
+ if (!index.isSecondaryIndex()) {
+ continue;
+ }
+ // Create CompiledCreateIndexStatement from metadata entity 'index'.
+ CompiledCreateIndexStatement cis = new CompiledCreateIndexStatement(index.getIndexName(),
+ dataverseName, index.getDatasetName(), index.getKeyFieldNames(), index.getGramLength(),
+ index.getIndexType());
+ jobsToExecute.add(IndexOperations.buildSecondaryIndexLoadingJobSpec(cis, metadataProvider));
}
- // Create CompiledCreateIndexStatement from metadata entity 'index'.
- CompiledCreateIndexStatement cis = new CompiledCreateIndexStatement(index.getIndexName(), dataverseName,
- index.getDatasetName(), index.getKeyFieldNames(), index.getGramLength(), index.getIndexType());
- jobsToExecute.add(IndexOperations.buildSecondaryIndexLoadingJobSpec(cis, metadataProvider));
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ bActiveTxn = false;
+
+ for (JobSpecification jobspec : jobsToExecute) {
+ runJob(hcc, jobspec);
+ }
+ } catch (Exception e) {
+ if (bActiveTxn) {
+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+ }
+
+ throw new AlgebricksException(e);
+ } finally {
+ releaseReadLatch();
}
}
private void handleWriteFromQueryResultStatement(AqlMetadataProvider metadataProvider, Statement stmt,
IHyracksClientConnection hcc, List<JobSpecification> jobsToExecute) throws Exception {
- metadataProvider.setWriteTransaction(true);
- WriteFromQueryResultStatement st1 = (WriteFromQueryResultStatement) stmt;
- String dataverseName = st1.getDataverseName() == null ? activeDefaultDataverse == null ? null
- : activeDefaultDataverse.getDataverseName() : st1.getDataverseName().getValue();
- CompiledWriteFromQueryResultStatement clfrqs = new CompiledWriteFromQueryResultStatement(dataverseName, st1
- .getDatasetName().getValue(), st1.getQuery(), st1.getVarCounter());
- Pair<JobSpecification, FileSplit> compiled = rewriteCompileQuery(metadataProvider, clfrqs.getQuery(), clfrqs);
- if (compiled.first != null) {
- jobsToExecute.add(compiled.first);
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ boolean bActiveTxn = true;
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+ acquireReadLatch();
+
+ try {
+ metadataProvider.setWriteTransaction(true);
+ WriteFromQueryResultStatement st1 = (WriteFromQueryResultStatement) stmt;
+ String dataverseName = st1.getDataverseName() == null ? activeDefaultDataverse == null ? null
+ : activeDefaultDataverse.getDataverseName() : st1.getDataverseName().getValue();
+ CompiledWriteFromQueryResultStatement clfrqs = new CompiledWriteFromQueryResultStatement(dataverseName, st1
+ .getDatasetName().getValue(), st1.getQuery(), st1.getVarCounter());
+
+ Pair<JobSpecification, FileSplit> compiled = rewriteCompileQuery(metadataProvider, clfrqs.getQuery(),
+ clfrqs);
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ bActiveTxn = false;
+ if (compiled.first != null) {
+ runJob(hcc, compiled.first);
+ }
+ } catch (Exception e) {
+ if (bActiveTxn) {
+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+ }
+ throw new AlgebricksException(e);
+ } finally {
+ releaseReadLatch();
}
}
private void handleInsertStatement(AqlMetadataProvider metadataProvider, Statement stmt,
IHyracksClientConnection hcc, List<JobSpecification> jobsToExecute) throws Exception {
- metadataProvider.setWriteTransaction(true);
- InsertStatement stmtInsert = (InsertStatement) stmt;
- String dataverseName = stmtInsert.getDataverseName() == null ? activeDefaultDataverse == null ? null
- : activeDefaultDataverse.getDataverseName() : stmtInsert.getDataverseName().getValue();
- CompiledInsertStatement clfrqs = new CompiledInsertStatement(dataverseName, stmtInsert.getDatasetName()
- .getValue(), stmtInsert.getQuery(), stmtInsert.getVarCounter());
- Pair<JobSpecification, FileSplit> compiled = rewriteCompileQuery(metadataProvider, clfrqs.getQuery(), clfrqs);
- if (compiled.first != null) {
- jobsToExecute.add(compiled.first);
+
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ boolean bActiveTxn = true;
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+ acquireReadLatch();
+
+ try {
+ metadataProvider.setWriteTransaction(true);
+ InsertStatement stmtInsert = (InsertStatement) stmt;
+ String dataverseName = stmtInsert.getDataverseName() == null ? activeDefaultDataverse == null ? null
+ : activeDefaultDataverse.getDataverseName() : stmtInsert.getDataverseName().getValue();
+ CompiledInsertStatement clfrqs = new CompiledInsertStatement(dataverseName, stmtInsert.getDatasetName()
+ .getValue(), stmtInsert.getQuery(), stmtInsert.getVarCounter());
+ Pair<JobSpecification, FileSplit> compiled = rewriteCompileQuery(metadataProvider, clfrqs.getQuery(),
+ clfrqs);
+
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ bActiveTxn = false;
+
+ if (compiled.first != null) {
+ runJob(hcc, compiled.first);
+ }
+
+ } catch (Exception e) {
+ if (bActiveTxn) {
+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+ }
+ throw new AlgebricksException(e);
+ } finally {
+ releaseReadLatch();
}
}
private void handleDeleteStatement(AqlMetadataProvider metadataProvider, Statement stmt,
IHyracksClientConnection hcc, List<JobSpecification> jobsToExecute) throws Exception {
- metadataProvider.setWriteTransaction(true);
- DeleteStatement stmtDelete = (DeleteStatement) stmt;
- String dataverseName = stmtDelete.getDataverseName() == null ? activeDefaultDataverse == null ? null
- : activeDefaultDataverse.getDataverseName() : stmtDelete.getDataverseName().getValue();
- CompiledDeleteStatement clfrqs = new CompiledDeleteStatement(stmtDelete.getVariableExpr(), dataverseName,
- stmtDelete.getDatasetName().getValue(), stmtDelete.getCondition(), stmtDelete.getDieClause(),
- stmtDelete.getVarCounter(), metadataProvider);
- Pair<JobSpecification, FileSplit> compiled = rewriteCompileQuery(metadataProvider, clfrqs.getQuery(), clfrqs);
- if (compiled.first != null) {
- jobsToExecute.add(compiled.first);
+
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ boolean bActiveTxn = true;
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+ acquireReadLatch();
+
+ try {
+ metadataProvider.setWriteTransaction(true);
+ DeleteStatement stmtDelete = (DeleteStatement) stmt;
+ String dataverseName = stmtDelete.getDataverseName() == null ? activeDefaultDataverse == null ? null
+ : activeDefaultDataverse.getDataverseName() : stmtDelete.getDataverseName().getValue();
+ CompiledDeleteStatement clfrqs = new CompiledDeleteStatement(stmtDelete.getVariableExpr(), dataverseName,
+ stmtDelete.getDatasetName().getValue(), stmtDelete.getCondition(), stmtDelete.getDieClause(),
+ stmtDelete.getVarCounter(), metadataProvider);
+ Pair<JobSpecification, FileSplit> compiled = rewriteCompileQuery(metadataProvider, clfrqs.getQuery(),
+ clfrqs);
+
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ bActiveTxn = false;
+
+ if (compiled.first != null) {
+ runJob(hcc, compiled.first);
+ }
+
+ } catch (Exception e) {
+ if (bActiveTxn) {
+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+ }
+ throw new AlgebricksException(e);
+ } finally {
+ releaseReadLatch();
}
}
@@ -709,9 +1240,6 @@
// Query Compilation (happens under the same ongoing metadata
// transaction)
- if (metadataProvider.isWriteTransaction()) {
- metadataProvider.setJobTxnId(TransactionIDFactory.generateTransactionId());
- }
JobSpecification spec = APIFramework.compileQuery(declaredFunctions, metadataProvider, query,
reWrittenQuery.second, stmt == null ? null : stmt.getDatasetName(), sessionConfig, out, pdf, stmt);
@@ -723,86 +1251,142 @@
private void handleBeginFeedStatement(AqlMetadataProvider metadataProvider, Statement stmt,
IHyracksClientConnection hcc, List<JobSpecification> jobsToExecute) throws Exception {
- BeginFeedStatement bfs = (BeginFeedStatement) stmt;
- String dataverseName = bfs.getDataverseName() == null ? activeDefaultDataverse == null ? null
- : activeDefaultDataverse.getDataverseName() : bfs.getDataverseName().getValue();
- CompiledBeginFeedStatement cbfs = new CompiledBeginFeedStatement(dataverseName,
- bfs.getDatasetName().getValue(), bfs.getQuery(), bfs.getVarCounter());
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ boolean bActiveTxn = true;
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+ acquireReadLatch();
- Dataset dataset = MetadataManager.INSTANCE.getDataset(metadataProvider.getMetadataTxnContext(), dataverseName,
- bfs.getDatasetName().getValue());
- if (dataset == null) {
- throw new AsterixException("Unknown dataset :" + bfs.getDatasetName().getValue());
- }
- IDatasetDetails datasetDetails = dataset.getDatasetDetails();
- if (datasetDetails.getDatasetType() != DatasetType.FEED) {
- throw new IllegalArgumentException("Dataset " + bfs.getDatasetName().getValue() + " is not a feed dataset");
- }
- bfs.initialize(metadataProvider.getMetadataTxnContext(), dataset);
- cbfs.setQuery(bfs.getQuery());
- Pair<JobSpecification, FileSplit> compiled = rewriteCompileQuery(metadataProvider, bfs.getQuery(), cbfs);
- if (compiled.first != null) {
- jobsToExecute.add(compiled.first);
+ try {
+ BeginFeedStatement bfs = (BeginFeedStatement) stmt;
+ String dataverseName = bfs.getDataverseName() == null ? activeDefaultDataverse == null ? null
+ : activeDefaultDataverse.getDataverseName() : bfs.getDataverseName().getValue();
+
+ CompiledBeginFeedStatement cbfs = new CompiledBeginFeedStatement(dataverseName, bfs.getDatasetName()
+ .getValue(), bfs.getQuery(), bfs.getVarCounter());
+
+ Dataset dataset;
+ dataset = MetadataManager.INSTANCE.getDataset(metadataProvider.getMetadataTxnContext(), dataverseName, bfs
+ .getDatasetName().getValue());
+ if (dataset == null) {
+ throw new AsterixException("Unknown dataset :" + bfs.getDatasetName().getValue());
+ }
+ IDatasetDetails datasetDetails = dataset.getDatasetDetails();
+ if (datasetDetails.getDatasetType() != DatasetType.FEED) {
+ throw new IllegalArgumentException("Dataset " + bfs.getDatasetName().getValue()
+ + " is not a feed dataset");
+ }
+ bfs.initialize(metadataProvider.getMetadataTxnContext(), dataset);
+ cbfs.setQuery(bfs.getQuery());
+ Pair<JobSpecification, FileSplit> compiled = rewriteCompileQuery(metadataProvider, bfs.getQuery(), cbfs);
+
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ bActiveTxn = false;
+
+ if (compiled.first != null) {
+ runJob(hcc, compiled.first);
+ }
+
+ } catch (Exception e) {
+ if (bActiveTxn) {
+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+ }
+ throw new AlgebricksException(e);
+ } finally {
+ releaseReadLatch();
}
}
private void handleControlFeedStatement(AqlMetadataProvider metadataProvider, Statement stmt,
IHyracksClientConnection hcc, List<JobSpecification> jobsToExecute) throws Exception {
- ControlFeedStatement cfs = (ControlFeedStatement) stmt;
- String dataverseName = cfs.getDataverseName() == null ? activeDefaultDataverse == null ? null
- : activeDefaultDataverse.getDataverseName() : cfs.getDataverseName().getValue();
- CompiledControlFeedStatement clcfs = new CompiledControlFeedStatement(cfs.getOperationType(), dataverseName,
- cfs.getDatasetName().getValue(), cfs.getAlterAdapterConfParams());
- jobsToExecute.add(FeedOperations.buildControlFeedJobSpec(clcfs, metadataProvider));
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ boolean bActiveTxn = true;
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+ acquireReadLatch();
+
+ try {
+ ControlFeedStatement cfs = (ControlFeedStatement) stmt;
+ String dataverseName = cfs.getDataverseName() == null ? activeDefaultDataverse == null ? null
+ : activeDefaultDataverse.getDataverseName() : cfs.getDatasetName().getValue();
+ CompiledControlFeedStatement clcfs = new CompiledControlFeedStatement(cfs.getOperationType(),
+ dataverseName, cfs.getDatasetName().getValue(), cfs.getAlterAdapterConfParams());
+ JobSpecification jobSpec = FeedOperations.buildControlFeedJobSpec(clcfs, metadataProvider);
+
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ bActiveTxn = false;
+
+ runJob(hcc, jobSpec);
+
+ } catch (Exception e) {
+ if (bActiveTxn) {
+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+ }
+ throw new AlgebricksException(e);
+ } finally {
+ releaseReadLatch();
+ }
}
private QueryResult handleQuery(AqlMetadataProvider metadataProvider, Query query, IHyracksClientConnection hcc,
List<JobSpecification> jobsToExecute) throws Exception {
- Pair<JobSpecification, FileSplit> compiled = rewriteCompileQuery(metadataProvider, query, null);
- if (compiled.first != null) {
- GlobalConfig.ASTERIX_LOGGER.info(compiled.first.toJSON().toString(1));
- jobsToExecute.add(compiled.first);
- }
- return new QueryResult(query, compiled.second.getLocalFile().getFile().getAbsolutePath());
- }
- private void runCreateIndexJob(IHyracksClientConnection hcc, CreateIndexStatement stmtCreateIndex,
- AqlMetadataProvider metadataProvider) throws Exception {
- // TODO: Eventually CreateIndexStatement and
- // CompiledCreateIndexStatement should be replaced by the corresponding
- // metadata entity.
- // For now we must still convert to a CompiledCreateIndexStatement here.
- String dataverseName = stmtCreateIndex.getDataverseName() == null ? activeDefaultDataverse == null ? null
- : activeDefaultDataverse.getDataverseName() : stmtCreateIndex.getDataverseName().getValue();
- CompiledCreateIndexStatement createIndexStmt = new CompiledCreateIndexStatement(stmtCreateIndex.getIndexName()
- .getValue(), dataverseName, stmtCreateIndex.getDatasetName().getValue(),
- stmtCreateIndex.getFieldExprs(), stmtCreateIndex.getGramLength(), stmtCreateIndex.getIndexType());
- JobSpecification spec = IndexOperations.buildSecondaryIndexCreationJobSpec(createIndexStmt, metadataProvider);
- if (spec == null) {
- throw new AsterixException("Failed to create job spec for creating index '"
- + stmtCreateIndex.getDatasetName() + "." + stmtCreateIndex.getIndexName() + "'");
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ boolean bActiveTxn = true;
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+ acquireReadLatch();
+
+ try {
+ Pair<JobSpecification, FileSplit> compiled = rewriteCompileQuery(metadataProvider, query, null);
+
+ QueryResult queryResult = new QueryResult(query, compiled.second.getLocalFile().getFile().getAbsolutePath());
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ bActiveTxn = false;
+
+ if (compiled.first != null) {
+ GlobalConfig.ASTERIX_LOGGER.info(compiled.first.toJSON().toString(1));
+ runJob(hcc, compiled.first);
+ }
+
+ return queryResult;
+ } catch (Exception e) {
+ if (bActiveTxn) {
+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+ }
+ throw new AlgebricksException(e);
+ } finally {
+ releaseReadLatch();
}
- runJob(hcc, spec);
}
private void handleCreateNodeGroupStatement(AqlMetadataProvider metadataProvider, Statement stmt,
List<JobSpecification> jobsToExecute) throws MetadataException, AlgebricksException, RemoteException,
ACIDException {
- MetadataTransactionContext mdTxnCtx = metadataProvider.getMetadataTxnContext();
- NodegroupDecl stmtCreateNodegroup = (NodegroupDecl) stmt;
- String ngName = stmtCreateNodegroup.getNodegroupName().getValue();
- NodeGroup ng = MetadataManager.INSTANCE.getNodegroup(mdTxnCtx, ngName);
- if (ng != null) {
- if (!stmtCreateNodegroup.getIfNotExists())
- throw new AlgebricksException("A nodegroup with this name " + ngName + " already exists.");
- } else {
- List<Identifier> ncIdentifiers = stmtCreateNodegroup.getNodeControllerNames();
- List<String> ncNames = new ArrayList<String>(ncIdentifiers.size());
- for (Identifier id : ncIdentifiers) {
- ncNames.add(id.getValue());
+
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+ acquireWriteLatch();
+
+ try {
+ NodegroupDecl stmtCreateNodegroup = (NodegroupDecl) stmt;
+ String ngName = stmtCreateNodegroup.getNodegroupName().getValue();
+ NodeGroup ng = MetadataManager.INSTANCE.getNodegroup(mdTxnCtx, ngName);
+ if (ng != null) {
+ if (!stmtCreateNodegroup.getIfNotExists())
+ throw new AlgebricksException("A nodegroup with this name " + ngName + " already exists.");
+ } else {
+ List<Identifier> ncIdentifiers = stmtCreateNodegroup.getNodeControllerNames();
+ List<String> ncNames = new ArrayList<String>(ncIdentifiers.size());
+ for (Identifier id : ncIdentifiers) {
+ ncNames.add(id.getValue());
+ }
+ MetadataManager.INSTANCE.addNodegroup(mdTxnCtx, new NodeGroup(ngName, ncNames));
}
- MetadataManager.INSTANCE.addNodegroup(mdTxnCtx, new NodeGroup(ngName, ncNames));
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ } catch (Exception e) {
+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+ throw new AlgebricksException(e);
+ } finally {
+ releaseWriteLatch();
}
}
@@ -810,27 +1394,6 @@
executeJobArray(hcc, new Job[] { new Job(spec) }, out, pdf);
}
- private void compileIndexDropStatement(IHyracksClientConnection hcc, String dataverseName, String datasetName,
- String indexName, AqlMetadataProvider metadataProvider) throws Exception {
- CompiledIndexDropStatement cds = new CompiledIndexDropStatement(dataverseName, datasetName, indexName);
- runJob(hcc, IndexOperations.buildDropSecondaryIndexJobSpec(cds, metadataProvider));
- MetadataManager.INSTANCE.dropIndex(metadataProvider.getMetadataTxnContext(), dataverseName, datasetName,
- indexName);
- }
-
- private void compileDatasetDropStatement(IHyracksClientConnection hcc, String dataverseName, String datasetName,
- AqlMetadataProvider metadataProvider) throws Exception {
- MetadataTransactionContext mdTxnCtx = metadataProvider.getMetadataTxnContext();
- CompiledDatasetDropStatement cds = new CompiledDatasetDropStatement(dataverseName, datasetName);
- Dataset ds = MetadataManager.INSTANCE.getDataset(mdTxnCtx, dataverseName, datasetName);
- if (ds.getDatasetType() == DatasetType.INTERNAL || ds.getDatasetType() == DatasetType.FEED) {
- JobSpecification[] jobSpecs = DatasetOperations.createDropDatasetJobSpec(cds, metadataProvider);
- for (JobSpecification spec : jobSpecs)
- runJob(hcc, spec);
- }
- MetadataManager.INSTANCE.dropDataset(mdTxnCtx, dataverseName, datasetName);
- }
-
public void executeJobArray(IHyracksClientConnection hcc, Job[] jobs, PrintWriter out, DisplayFormat pdf)
throws Exception {
for (int i = 0; i < jobs.length; i++) {
@@ -853,4 +1416,19 @@
return format;
}
+ private void acquireWriteLatch() {
+ MetadataManager.INSTANCE.acquireWriteLatch();
+ }
+
+ private void releaseWriteLatch() {
+ MetadataManager.INSTANCE.releaseWriteLatch();
+ }
+
+ private void acquireReadLatch() {
+ MetadataManager.INSTANCE.acquireReadLatch();
+ }
+
+ private void releaseReadLatch() {
+ MetadataManager.INSTANCE.releaseReadLatch();
+ }
}
diff --git a/asterix-app/src/main/java/edu/uci/ics/asterix/file/DatasetOperations.java b/asterix-app/src/main/java/edu/uci/ics/asterix/file/DatasetOperations.java
index 075ddd3..d4c8c34 100644
--- a/asterix-app/src/main/java/edu/uci/ics/asterix/file/DatasetOperations.java
+++ b/asterix-app/src/main/java/edu/uci/ics/asterix/file/DatasetOperations.java
@@ -25,21 +25,23 @@
import edu.uci.ics.asterix.common.config.DatasetConfig.DatasetType;
import edu.uci.ics.asterix.common.config.GlobalConfig;
import edu.uci.ics.asterix.common.config.OptimizationConfUtil;
-import edu.uci.ics.asterix.common.context.AsterixIndexRegistryProvider;
-import edu.uci.ics.asterix.common.context.AsterixStorageManagerInterface;
+import edu.uci.ics.asterix.common.context.AsterixRuntimeComponentsProvider;
import edu.uci.ics.asterix.common.exceptions.AsterixException;
import edu.uci.ics.asterix.formats.base.IDataFormat;
import edu.uci.ics.asterix.metadata.MetadataManager;
import edu.uci.ics.asterix.metadata.MetadataTransactionContext;
+import edu.uci.ics.asterix.metadata.dataset.hints.DatasetHints.DatasetCardinalityHint;
import edu.uci.ics.asterix.metadata.declared.AqlMetadataProvider;
import edu.uci.ics.asterix.metadata.entities.Dataset;
import edu.uci.ics.asterix.metadata.entities.Dataverse;
import edu.uci.ics.asterix.metadata.entities.ExternalDatasetDetails;
-import edu.uci.ics.asterix.metadata.entities.Index;
import edu.uci.ics.asterix.metadata.utils.DatasetUtils;
import edu.uci.ics.asterix.om.types.ARecordType;
import edu.uci.ics.asterix.om.types.IAType;
import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
+import edu.uci.ics.asterix.transaction.management.resource.ILocalResourceMetadata;
+import edu.uci.ics.asterix.transaction.management.resource.LSMBTreeLocalResourceMetadata;
+import edu.uci.ics.asterix.transaction.management.resource.PersistentLocalResourceFactoryProvider;
import edu.uci.ics.asterix.translator.CompiledStatements.CompiledDatasetDropStatement;
import edu.uci.ics.asterix.translator.CompiledStatements.CompiledLoadFromFileStatement;
import edu.uci.ics.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
@@ -72,14 +74,13 @@
import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
import edu.uci.ics.hyracks.dataflow.std.sort.ExternalSortOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.btree.dataflow.BTreeDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexRegistryProvider;
+import edu.uci.ics.hyracks.storage.am.common.dataflow.IndexDropOperatorDescriptor;
import edu.uci.ics.hyracks.storage.am.common.dataflow.TreeIndexBulkLoadOperatorDescriptor;
import edu.uci.ics.hyracks.storage.am.common.dataflow.TreeIndexCreateOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.TreeIndexDropOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackProvider;
-import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
+import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.btree.dataflow.LSMBTreeDataflowHelperFactory;
+import edu.uci.ics.hyracks.storage.common.file.ILocalResourceFactoryProvider;
+import edu.uci.ics.hyracks.storage.common.file.LocalResource;
public class DatasetOperations {
@@ -88,7 +89,7 @@
private static Logger LOGGER = Logger.getLogger(DatasetOperations.class.getName());
- public static JobSpecification[] createDropDatasetJobSpec(CompiledDatasetDropStatement datasetDropStmt,
+ public static JobSpecification createDropDatasetJobSpec(CompiledDatasetDropStatement datasetDropStmt,
AqlMetadataProvider metadataProvider) throws AlgebricksException, HyracksDataException, RemoteException,
ACIDException, AsterixException {
@@ -104,60 +105,33 @@
LOGGER.info("DROP DATASETPATH: " + datasetPath);
- IIndexRegistryProvider<IIndex> indexRegistryProvider = AsterixIndexRegistryProvider.INSTANCE;
- IStorageManagerInterface storageManager = AsterixStorageManagerInterface.INSTANCE;
-
Dataset dataset = metadataProvider.findDataset(dataverseName, datasetName);
if (dataset == null) {
throw new AlgebricksException("DROP DATASET: No metadata for dataset " + datasetName);
}
if (dataset.getDatasetType() == DatasetType.EXTERNAL) {
- return new JobSpecification[0];
+ return new JobSpecification();
}
- List<Index> datasetIndexes = metadataProvider.getDatasetIndexes(dataset.getDataverseName(),
- dataset.getDatasetName());
- int numSecondaryIndexes = 0;
- for (Index index : datasetIndexes) {
- if (index.isSecondaryIndex()) {
- numSecondaryIndexes++;
- }
- }
- JobSpecification[] specs;
- if (numSecondaryIndexes > 0) {
- specs = new JobSpecification[numSecondaryIndexes + 1];
- int i = 0;
- // First, drop secondary indexes.
- for (Index index : datasetIndexes) {
- if (index.isSecondaryIndex()) {
- specs[i] = new JobSpecification();
- Pair<IFileSplitProvider, AlgebricksPartitionConstraint> idxSplitsAndConstraint = metadataProvider
- .splitProviderAndPartitionConstraintsForInternalOrFeedDataset(dataset.getDataverseName(),
- datasetName, index.getIndexName());
- TreeIndexDropOperatorDescriptor secondaryBtreeDrop = new TreeIndexDropOperatorDescriptor(specs[i],
- storageManager, indexRegistryProvider, idxSplitsAndConstraint.first);
- AlgebricksPartitionConstraintHelper.setPartitionConstraintInJobSpec(specs[i], secondaryBtreeDrop,
- idxSplitsAndConstraint.second);
- i++;
- }
- }
- } else {
- specs = new JobSpecification[1];
- }
JobSpecification specPrimary = new JobSpecification();
- specs[specs.length - 1] = specPrimary;
Pair<IFileSplitProvider, AlgebricksPartitionConstraint> splitsAndConstraint = metadataProvider
.splitProviderAndPartitionConstraintsForInternalOrFeedDataset(dataset.getDataverseName(), datasetName,
datasetName);
- TreeIndexDropOperatorDescriptor primaryBtreeDrop = new TreeIndexDropOperatorDescriptor(specPrimary,
- storageManager, indexRegistryProvider, splitsAndConstraint.first);
+ IndexDropOperatorDescriptor primaryBtreeDrop = new IndexDropOperatorDescriptor(specPrimary,
+ AsterixRuntimeComponentsProvider.NOINDEX_PROVIDER, AsterixRuntimeComponentsProvider.NOINDEX_PROVIDER,
+ splitsAndConstraint.first, new LSMBTreeDataflowHelperFactory(
+ AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER, GlobalConfig.DEFAULT_INDEX_MEM_PAGE_SIZE,
+ GlobalConfig.DEFAULT_INDEX_MEM_NUM_PAGES));
AlgebricksPartitionConstraintHelper.setPartitionConstraintInJobSpec(specPrimary, primaryBtreeDrop,
splitsAndConstraint.second);
specPrimary.addRoot(primaryBtreeDrop);
- return specs;
+ return specPrimary;
}
public static JobSpecification createDatasetJobSpec(Dataverse dataverse, String datasetName,
@@ -189,6 +163,8 @@
IBinaryComparatorFactory[] comparatorFactories = DatasetUtils.computeKeysBinaryComparatorFactories(dataset,
itemType, format.getBinaryComparatorFactoryProvider());
ITypeTraits[] typeTraits = DatasetUtils.computeTupleTypeTraits(dataset, itemType);
+ int[] blooFilterKeyFields = DatasetUtils.createBloomFilterKeyFields(dataset);
+
Pair<IFileSplitProvider, AlgebricksPartitionConstraint> splitsAndConstraint = metadata
.splitProviderAndPartitionConstraintsForInternalOrFeedDataset(dataverseName, datasetName, datasetName);
FileSplit[] fs = splitsAndConstraint.first.getFileSplits();
@@ -197,11 +173,23 @@
sb.append(stringOf(fs[i]) + " ");
}
LOGGER.info("CREATING File Splits: " + sb.toString());
- IIndexRegistryProvider<IIndex> indexRegistryProvider = AsterixIndexRegistryProvider.INSTANCE;
- IStorageManagerInterface storageManager = AsterixStorageManagerInterface.INSTANCE;
- TreeIndexCreateOperatorDescriptor indexCreateOp = new TreeIndexCreateOperatorDescriptor(spec, storageManager,
- indexRegistryProvider, splitsAndConstraint.first, typeTraits, comparatorFactories,
- new BTreeDataflowHelperFactory(), NoOpOperationCallbackProvider.INSTANCE);
+
+ //prepare a LocalResourceMetadata which will be stored in NC's local resource repository
+ ILocalResourceMetadata localResourceMetadata = new LSMBTreeLocalResourceMetadata(typeTraits,
+ comparatorFactories, blooFilterKeyFields, true, GlobalConfig.DEFAULT_INDEX_MEM_PAGE_SIZE,
+ GlobalConfig.DEFAULT_INDEX_MEM_NUM_PAGES);
+ ILocalResourceFactoryProvider localResourceFactoryProvider = new PersistentLocalResourceFactoryProvider(
+ localResourceMetadata, LocalResource.LSMBTreeResource);
+
+ TreeIndexCreateOperatorDescriptor indexCreateOp = new TreeIndexCreateOperatorDescriptor(spec,
+ AsterixRuntimeComponentsProvider.NOINDEX_PROVIDER, AsterixRuntimeComponentsProvider.NOINDEX_PROVIDER,
+ splitsAndConstraint.first, typeTraits, comparatorFactories, blooFilterKeyFields,
+ new LSMBTreeDataflowHelperFactory(AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER, GlobalConfig.DEFAULT_INDEX_MEM_PAGE_SIZE,
+ GlobalConfig.DEFAULT_INDEX_MEM_NUM_PAGES), localResourceFactoryProvider,
+ NoOpOperationCallbackFactory.INSTANCE);
AlgebricksPartitionConstraintHelper.setPartitionConstraintInJobSpec(spec, indexCreateOp,
splitsAndConstraint.second);
spec.addRoot(indexCreateOp);
@@ -233,6 +221,7 @@
IBinaryComparatorFactory[] comparatorFactories = DatasetUtils.computeKeysBinaryComparatorFactories(dataset,
itemType, format.getBinaryComparatorFactoryProvider());
ITypeTraits[] typeTraits = DatasetUtils.computeTupleTypeTraits(dataset, itemType);
+ int[] blooFilterKeyFields = DatasetUtils.createBloomFilterKeyFields(dataset);
ExternalDatasetDetails externalDatasetDetails = new ExternalDatasetDetails(loadStmt.getAdapter(),
loadStmt.getProperties());
@@ -272,12 +261,23 @@
}
LOGGER.info("LOAD into File Splits: " + sb.toString());
- IIndexRegistryProvider<IIndex> indexRegistryProvider = AsterixIndexRegistryProvider.INSTANCE;
- IStorageManagerInterface storageManager = AsterixStorageManagerInterface.INSTANCE;
+ String numElementsHintString = dataset.getHints().get("CARDINALITY");
+ long numElementsHint;
+ if (numElementsHintString == null) {
+ numElementsHint = DatasetCardinalityHint.DEFAULT;
+ } else {
+ numElementsHint = Long.parseLong(dataset.getHints().get("CARDINALITY"));
+ }
+
TreeIndexBulkLoadOperatorDescriptor btreeBulkLoad = new TreeIndexBulkLoadOperatorDescriptor(spec,
- storageManager, indexRegistryProvider, splitsAndConstraint.first, typeTraits, comparatorFactories,
- fieldPermutation, GlobalConfig.DEFAULT_BTREE_FILL_FACTOR, new BTreeDataflowHelperFactory(),
- NoOpOperationCallbackProvider.INSTANCE);
+ AsterixRuntimeComponentsProvider.NOINDEX_PROVIDER, AsterixRuntimeComponentsProvider.NOINDEX_PROVIDER,
+ splitsAndConstraint.first, typeTraits, comparatorFactories, blooFilterKeyFields, fieldPermutation,
+ GlobalConfig.DEFAULT_BTREE_FILL_FACTOR, false, numElementsHint, new LSMBTreeDataflowHelperFactory(
+ AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER, GlobalConfig.DEFAULT_INDEX_MEM_PAGE_SIZE,
+ GlobalConfig.DEFAULT_INDEX_MEM_NUM_PAGES), NoOpOperationCallbackFactory.INSTANCE);
AlgebricksPartitionConstraintHelper.setPartitionConstraintInJobSpec(spec, btreeBulkLoad,
splitsAndConstraint.second);
diff --git a/asterix-app/src/main/java/edu/uci/ics/asterix/file/IndexOperations.java b/asterix-app/src/main/java/edu/uci/ics/asterix/file/IndexOperations.java
index a8f18ec..dbbbe44 100644
--- a/asterix-app/src/main/java/edu/uci/ics/asterix/file/IndexOperations.java
+++ b/asterix-app/src/main/java/edu/uci/ics/asterix/file/IndexOperations.java
@@ -1,8 +1,8 @@
package edu.uci.ics.asterix.file;
+import edu.uci.ics.asterix.common.config.GlobalConfig;
import edu.uci.ics.asterix.common.config.OptimizationConfUtil;
-import edu.uci.ics.asterix.common.context.AsterixIndexRegistryProvider;
-import edu.uci.ics.asterix.common.context.AsterixStorageManagerInterface;
+import edu.uci.ics.asterix.common.context.AsterixRuntimeComponentsProvider;
import edu.uci.ics.asterix.common.exceptions.AsterixException;
import edu.uci.ics.asterix.metadata.MetadataException;
import edu.uci.ics.asterix.metadata.declared.AqlMetadataProvider;
@@ -15,10 +15,8 @@
import edu.uci.ics.hyracks.algebricks.core.rewriter.base.PhysicalOptimizationConfig;
import edu.uci.ics.hyracks.api.job.JobSpecification;
import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexRegistryProvider;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.TreeIndexDropOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
+import edu.uci.ics.hyracks.storage.am.common.dataflow.IndexDropOperatorDescriptor;
+import edu.uci.ics.hyracks.storage.am.lsm.btree.dataflow.LSMBTreeDataflowHelperFactory;
public class IndexOperations {
@@ -47,13 +45,17 @@
String indexName = indexDropStmt.getIndexName();
JobSpecification spec = new JobSpecification();
- IIndexRegistryProvider<IIndex> indexRegistryProvider = AsterixIndexRegistryProvider.INSTANCE;
- IStorageManagerInterface storageManager = AsterixStorageManagerInterface.INSTANCE;
Pair<IFileSplitProvider, AlgebricksPartitionConstraint> splitsAndConstraint = metadataProvider
.splitProviderAndPartitionConstraintsForInternalOrFeedDataset(dataverseName, datasetName, indexName);
- TreeIndexDropOperatorDescriptor btreeDrop = new TreeIndexDropOperatorDescriptor(spec, storageManager,
- indexRegistryProvider, splitsAndConstraint.first);
+ IndexDropOperatorDescriptor btreeDrop = new IndexDropOperatorDescriptor(spec,
+ AsterixRuntimeComponentsProvider.NOINDEX_PROVIDER, AsterixRuntimeComponentsProvider.NOINDEX_PROVIDER,
+ splitsAndConstraint.first, new LSMBTreeDataflowHelperFactory(
+ AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER, GlobalConfig.DEFAULT_INDEX_MEM_PAGE_SIZE,
+ GlobalConfig.DEFAULT_INDEX_MEM_NUM_PAGES));
AlgebricksPartitionConstraintHelper
.setPartitionConstraintInJobSpec(spec, btreeDrop, splitsAndConstraint.second);
spec.addRoot(btreeDrop);
diff --git a/asterix-app/src/main/java/edu/uci/ics/asterix/file/SecondaryBTreeCreator.java b/asterix-app/src/main/java/edu/uci/ics/asterix/file/SecondaryBTreeCreator.java
index b9ad908..2a1349b 100644
--- a/asterix-app/src/main/java/edu/uci/ics/asterix/file/SecondaryBTreeCreator.java
+++ b/asterix-app/src/main/java/edu/uci/ics/asterix/file/SecondaryBTreeCreator.java
@@ -1,8 +1,11 @@
package edu.uci.ics.asterix.file;
-import edu.uci.ics.asterix.common.context.AsterixIndexRegistryProvider;
-import edu.uci.ics.asterix.common.context.AsterixStorageManagerInterface;
+import edu.uci.ics.asterix.common.config.GlobalConfig;
+import edu.uci.ics.asterix.common.context.AsterixRuntimeComponentsProvider;
import edu.uci.ics.asterix.common.exceptions.AsterixException;
+import edu.uci.ics.asterix.transaction.management.resource.ILocalResourceMetadata;
+import edu.uci.ics.asterix.transaction.management.resource.LSMBTreeLocalResourceMetadata;
+import edu.uci.ics.asterix.transaction.management.resource.PersistentLocalResourceFactoryProvider;
import edu.uci.ics.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraintHelper;
import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
import edu.uci.ics.hyracks.algebricks.core.jobgen.impl.ConnectorPolicyAssignmentPolicy;
@@ -12,12 +15,14 @@
import edu.uci.ics.hyracks.dataflow.std.base.AbstractOperatorDescriptor;
import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
import edu.uci.ics.hyracks.dataflow.std.sort.ExternalSortOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.btree.dataflow.BTreeDataflowHelperFactory;
import edu.uci.ics.hyracks.storage.am.btree.dataflow.BTreeSearchOperatorDescriptor;
import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
import edu.uci.ics.hyracks.storage.am.common.dataflow.TreeIndexBulkLoadOperatorDescriptor;
import edu.uci.ics.hyracks.storage.am.common.dataflow.TreeIndexCreateOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackProvider;
+import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.btree.dataflow.LSMBTreeDataflowHelperFactory;
+import edu.uci.ics.hyracks.storage.common.file.ILocalResourceFactoryProvider;
+import edu.uci.ics.hyracks.storage.common.file.LocalResource;
public class SecondaryBTreeCreator extends SecondaryIndexCreator {
@@ -28,10 +33,24 @@
@Override
public JobSpecification buildCreationJobSpec() throws AsterixException, AlgebricksException {
JobSpecification spec = new JobSpecification();
+
+ //prepare a LocalResourceMetadata which will be stored in NC's local resource repository
+ ILocalResourceMetadata localResourceMetadata = new LSMBTreeLocalResourceMetadata(
+ secondaryRecDesc.getTypeTraits(), secondaryComparatorFactories, secondaryBloomFilterKeyFields, false,
+ GlobalConfig.DEFAULT_INDEX_MEM_PAGE_SIZE, GlobalConfig.DEFAULT_INDEX_MEM_NUM_PAGES);
+ ILocalResourceFactoryProvider localResourceFactoryProvider = new PersistentLocalResourceFactoryProvider(
+ localResourceMetadata, LocalResource.LSMBTreeResource);
+
TreeIndexCreateOperatorDescriptor secondaryIndexCreateOp = new TreeIndexCreateOperatorDescriptor(spec,
- AsterixStorageManagerInterface.INSTANCE, AsterixIndexRegistryProvider.INSTANCE,
+ AsterixRuntimeComponentsProvider.NOINDEX_PROVIDER, AsterixRuntimeComponentsProvider.NOINDEX_PROVIDER,
secondaryFileSplitProvider, secondaryRecDesc.getTypeTraits(), secondaryComparatorFactories,
- new BTreeDataflowHelperFactory(), NoOpOperationCallbackProvider.INSTANCE);
+ secondaryBloomFilterKeyFields, new LSMBTreeDataflowHelperFactory(
+ AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER, GlobalConfig.DEFAULT_INDEX_MEM_PAGE_SIZE,
+ GlobalConfig.DEFAULT_INDEX_MEM_NUM_PAGES), localResourceFactoryProvider,
+ NoOpOperationCallbackFactory.INSTANCE);
AlgebricksPartitionConstraintHelper.setPartitionConstraintInJobSpec(spec, secondaryIndexCreateOp,
secondaryPartitionConstraint);
spec.addRoot(secondaryIndexCreateOp);
@@ -63,7 +82,11 @@
// Create secondary BTree bulk load op.
TreeIndexBulkLoadOperatorDescriptor secondaryBulkLoadOp = createTreeIndexBulkLoadOp(spec, numSecondaryKeys,
- new BTreeDataflowHelperFactory(), BTree.DEFAULT_FILL_FACTOR);
+ new LSMBTreeDataflowHelperFactory(AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER, GlobalConfig.DEFAULT_INDEX_MEM_PAGE_SIZE,
+ GlobalConfig.DEFAULT_INDEX_MEM_NUM_PAGES), BTree.DEFAULT_FILL_FACTOR);
// Connect the operators.
spec.connect(new OneToOneConnectorDescriptor(spec), keyProviderOp, 0, primaryScanOp, 0);
diff --git a/asterix-app/src/main/java/edu/uci/ics/asterix/file/SecondaryIndexCreator.java b/asterix-app/src/main/java/edu/uci/ics/asterix/file/SecondaryIndexCreator.java
index 87d3b08..e7c2e3e 100644
--- a/asterix-app/src/main/java/edu/uci/ics/asterix/file/SecondaryIndexCreator.java
+++ b/asterix-app/src/main/java/edu/uci/ics/asterix/file/SecondaryIndexCreator.java
@@ -20,14 +20,15 @@
import java.util.List;
import edu.uci.ics.asterix.common.config.DatasetConfig.DatasetType;
-import edu.uci.ics.asterix.common.context.AsterixIndexRegistryProvider;
-import edu.uci.ics.asterix.common.context.AsterixStorageManagerInterface;
+import edu.uci.ics.asterix.common.config.GlobalConfig;
+import edu.uci.ics.asterix.common.context.AsterixRuntimeComponentsProvider;
import edu.uci.ics.asterix.common.exceptions.AsterixException;
import edu.uci.ics.asterix.formats.nontagged.AqlBinaryBooleanInspectorImpl;
import edu.uci.ics.asterix.formats.nontagged.AqlBinaryComparatorFactoryProvider;
import edu.uci.ics.asterix.formats.nontagged.AqlSerializerDeserializerProvider;
import edu.uci.ics.asterix.formats.nontagged.AqlTypeTraitProvider;
import edu.uci.ics.asterix.metadata.MetadataException;
+import edu.uci.ics.asterix.metadata.dataset.hints.DatasetHints.DatasetCardinalityHint;
import edu.uci.ics.asterix.metadata.declared.AqlMetadataProvider;
import edu.uci.ics.asterix.metadata.entities.Dataset;
import edu.uci.ics.asterix.metadata.entities.Index;
@@ -66,11 +67,11 @@
import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
import edu.uci.ics.hyracks.dataflow.std.misc.ConstantTupleSourceOperatorDescriptor;
import edu.uci.ics.hyracks.dataflow.std.sort.ExternalSortOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.btree.dataflow.BTreeDataflowHelperFactory;
import edu.uci.ics.hyracks.storage.am.btree.dataflow.BTreeSearchOperatorDescriptor;
import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
import edu.uci.ics.hyracks.storage.am.common.dataflow.TreeIndexBulkLoadOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackProvider;
+import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.btree.dataflow.LSMBTreeDataflowHelperFactory;
@SuppressWarnings("rawtypes")
// TODO: We should eventually have a hierarchy of classes that can create all possible index job specs,
@@ -93,9 +94,12 @@
protected String secondaryIndexName;
protected boolean anySecondaryKeyIsNullable = false;
+ protected long numElementsHint;
protected IBinaryComparatorFactory[] primaryComparatorFactories;
+ protected int[] primaryBloomFilterKeyFields;
protected RecordDescriptor primaryRecDesc;
protected IBinaryComparatorFactory[] secondaryComparatorFactories;
+ protected int[] secondaryBloomFilterKeyFields;
protected RecordDescriptor secondaryRecDesc;
protected ICopyEvaluatorFactory[] secondaryFieldAccessEvalFactories;
@@ -118,7 +122,9 @@
break;
}
case WORD_INVIX:
- case NGRAM_INVIX: {
+ case NGRAM_INVIX:
+ case FUZZY_WORD_INVIX:
+ case FUZZY_NGRAM_INVIX: {
indexCreator = new SecondaryInvertedIndexCreator(physOptConf);
break;
}
@@ -164,6 +170,13 @@
// Must be called in this order.
setPrimaryRecDescAndComparators();
setSecondaryRecDescAndComparators(createIndexStmt, metadataProvider);
+
+ String numElementsHintString = dataset.getHints().get("CARDINALITY");
+ if (numElementsHintString == null) {
+ numElementsHint = DatasetCardinalityHint.DEFAULT;
+ } else {
+ numElementsHint = Long.parseLong(dataset.getHints().get("CARDINALITY"));
+ }
}
protected void setPrimaryRecDescAndComparators() throws AlgebricksException {
@@ -172,6 +185,7 @@
ISerializerDeserializer[] primaryRecFields = new ISerializerDeserializer[numPrimaryKeys + 1];
ITypeTraits[] primaryTypeTraits = new ITypeTraits[numPrimaryKeys + 1];
primaryComparatorFactories = new IBinaryComparatorFactory[numPrimaryKeys];
+ primaryBloomFilterKeyFields = new int[numPrimaryKeys];
ISerializerDeserializerProvider serdeProvider = metadataProvider.getFormat().getSerdeProvider();
for (int i = 0; i < numPrimaryKeys; i++) {
IAType keyType;
@@ -184,6 +198,7 @@
primaryComparatorFactories[i] = AqlBinaryComparatorFactoryProvider.INSTANCE.getBinaryComparatorFactory(
keyType, true);
primaryTypeTraits[i] = AqlTypeTraitProvider.INSTANCE.getTypeTrait(keyType);
+ primaryBloomFilterKeyFields[i] = i;
}
primaryRecFields[numPrimaryKeys] = payloadSerde;
primaryTypeTraits[numPrimaryKeys] = AqlTypeTraitProvider.INSTANCE.getTypeTrait(itemType);
@@ -195,6 +210,7 @@
List<String> secondaryKeyFields = createIndexStmt.getKeyFields();
secondaryFieldAccessEvalFactories = new ICopyEvaluatorFactory[numSecondaryKeys];
secondaryComparatorFactories = new IBinaryComparatorFactory[numSecondaryKeys + numPrimaryKeys];
+ secondaryBloomFilterKeyFields = new int[numSecondaryKeys];
ISerializerDeserializer[] secondaryRecFields = new ISerializerDeserializer[numPrimaryKeys + numSecondaryKeys];
ITypeTraits[] secondaryTypeTraits = new ITypeTraits[numSecondaryKeys + numPrimaryKeys];
ISerializerDeserializerProvider serdeProvider = metadataProvider.getFormat().getSerdeProvider();
@@ -211,6 +227,7 @@
secondaryRecFields[i] = keySerde;
secondaryComparatorFactories[i] = comparatorFactoryProvider.getBinaryComparatorFactory(keyType, true);
secondaryTypeTraits[i] = typeTraitProvider.getTypeTrait(keyType);
+ secondaryBloomFilterKeyFields[i] = i;
}
// Add serializers and comparators for primary index fields.
for (int i = 0; i < numPrimaryKeys; i++) {
@@ -250,10 +267,14 @@
// +Infinity
int[] highKeyFields = null;
BTreeSearchOperatorDescriptor primarySearchOp = new BTreeSearchOperatorDescriptor(spec, primaryRecDesc,
- AsterixStorageManagerInterface.INSTANCE, AsterixIndexRegistryProvider.INSTANCE,
- primaryFileSplitProvider, primaryRecDesc.getTypeTraits(), primaryComparatorFactories, lowKeyFields,
- highKeyFields, true, true, new BTreeDataflowHelperFactory(), false,
- NoOpOperationCallbackProvider.INSTANCE);
+ AsterixRuntimeComponentsProvider.NOINDEX_PROVIDER, AsterixRuntimeComponentsProvider.NOINDEX_PROVIDER,
+ primaryFileSplitProvider, primaryRecDesc.getTypeTraits(), primaryComparatorFactories,
+ primaryBloomFilterKeyFields, lowKeyFields, highKeyFields, true, true,
+ new LSMBTreeDataflowHelperFactory(AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER, GlobalConfig.DEFAULT_INDEX_MEM_PAGE_SIZE,
+ GlobalConfig.DEFAULT_INDEX_MEM_NUM_PAGES), false, NoOpOperationCallbackFactory.INSTANCE);
AlgebricksPartitionConstraintHelper.setPartitionConstraintInJobSpec(spec, primarySearchOp,
primaryPartitionConstraint);
return primarySearchOp;
@@ -309,9 +330,10 @@
.splitProviderAndPartitionConstraintsForInternalOrFeedDataset(dataverseName, datasetName,
secondaryIndexName);
TreeIndexBulkLoadOperatorDescriptor treeIndexBulkLoadOp = new TreeIndexBulkLoadOperatorDescriptor(spec,
- AsterixStorageManagerInterface.INSTANCE, AsterixIndexRegistryProvider.INSTANCE,
+ AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER, AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER,
secondarySplitsAndConstraint.first, secondaryRecDesc.getTypeTraits(), secondaryComparatorFactories,
- fieldPermutation, fillFactor, dataflowHelperFactory, NoOpOperationCallbackProvider.INSTANCE);
+ secondaryBloomFilterKeyFields, fieldPermutation, fillFactor, false, numElementsHint,
+ dataflowHelperFactory, NoOpOperationCallbackFactory.INSTANCE);
AlgebricksPartitionConstraintHelper.setPartitionConstraintInJobSpec(spec, treeIndexBulkLoadOp,
secondarySplitsAndConstraint.second);
return treeIndexBulkLoadOp;
diff --git a/asterix-app/src/main/java/edu/uci/ics/asterix/file/SecondaryInvertedIndexCreator.java b/asterix-app/src/main/java/edu/uci/ics/asterix/file/SecondaryInvertedIndexCreator.java
index dc12814..daa6d66 100644
--- a/asterix-app/src/main/java/edu/uci/ics/asterix/file/SecondaryInvertedIndexCreator.java
+++ b/asterix-app/src/main/java/edu/uci/ics/asterix/file/SecondaryInvertedIndexCreator.java
@@ -2,14 +2,18 @@
import java.util.List;
-import edu.uci.ics.asterix.common.context.AsterixIndexRegistryProvider;
-import edu.uci.ics.asterix.common.context.AsterixStorageManagerInterface;
+import edu.uci.ics.asterix.common.config.DatasetConfig.IndexType;
+import edu.uci.ics.asterix.common.config.GlobalConfig;
+import edu.uci.ics.asterix.common.context.AsterixRuntimeComponentsProvider;
import edu.uci.ics.asterix.common.exceptions.AsterixException;
import edu.uci.ics.asterix.metadata.declared.AqlMetadataProvider;
import edu.uci.ics.asterix.metadata.entities.Index;
import edu.uci.ics.asterix.om.types.IAType;
import edu.uci.ics.asterix.optimizer.rules.am.InvertedIndexAccessMethod;
import edu.uci.ics.asterix.runtime.formats.FormatUtils;
+import edu.uci.ics.asterix.transaction.management.resource.ILocalResourceMetadata;
+import edu.uci.ics.asterix.transaction.management.resource.LSMInvertedIndexLocalResourceMetadata;
+import edu.uci.ics.asterix.transaction.management.resource.PersistentLocalResourceFactoryProvider;
import edu.uci.ics.asterix.translator.CompiledStatements.CompiledCreateIndexStatement;
import edu.uci.ics.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraintHelper;
import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
@@ -25,17 +29,23 @@
import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
import edu.uci.ics.hyracks.api.job.JobSpecification;
+import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
+import edu.uci.ics.hyracks.data.std.primitive.ShortPointable;
+import edu.uci.ics.hyracks.dataflow.common.data.marshalling.ShortSerializerDeserializer;
import edu.uci.ics.hyracks.dataflow.std.base.AbstractOperatorDescriptor;
import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
import edu.uci.ics.hyracks.dataflow.std.sort.ExternalSortOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.btree.dataflow.BTreeDataflowHelperFactory;
import edu.uci.ics.hyracks.storage.am.btree.dataflow.BTreeSearchOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackProvider;
-import edu.uci.ics.hyracks.storage.am.invertedindex.dataflow.BinaryTokenizerOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.invertedindex.dataflow.InvertedIndexBulkLoadOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.invertedindex.dataflow.InvertedIndexCreateOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.IBinaryTokenizerFactory;
+import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
+import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.dataflow.BinaryTokenizerOperatorDescriptor;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.dataflow.LSMInvertedIndexBulkLoadOperatorDescriptor;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.dataflow.LSMInvertedIndexCreateOperatorDescriptor;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.dataflow.LSMInvertedIndexDataflowHelperFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.dataflow.PartitionedLSMInvertedIndexDataflowHelperFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
+import edu.uci.ics.hyracks.storage.common.file.ILocalResourceFactoryProvider;
+import edu.uci.ics.hyracks.storage.common.file.LocalResource;
public class SecondaryInvertedIndexCreator extends SecondaryIndexCreator {
@@ -44,11 +54,11 @@
private IBinaryComparatorFactory[] tokenComparatorFactories;
private ITypeTraits[] tokenTypeTraits;
private IBinaryTokenizerFactory tokenizerFactory;
- private Pair<IFileSplitProvider, IFileSplitProvider> fileSplitProviders;
// For tokenization, sorting and loading. Represents <token, primary keys>.
private int numTokenKeyPairFields;
private IBinaryComparatorFactory[] tokenKeyPairComparatorFactories;
private RecordDescriptor tokenKeyPairRecDesc;
+ private boolean isPartitioned;
protected SecondaryInvertedIndexCreator(PhysicalOptimizationConfig physOptConf) {
super(physOptConf);
@@ -56,8 +66,8 @@
@Override
@SuppressWarnings("rawtypes")
- protected void setSecondaryRecDescAndComparators(CompiledCreateIndexStatement createIndexStmt, AqlMetadataProvider metadata)
- throws AlgebricksException, AsterixException {
+ protected void setSecondaryRecDescAndComparators(CompiledCreateIndexStatement createIndexStmt,
+ AqlMetadataProvider metadata) throws AlgebricksException, AsterixException {
// Sanity checks.
if (numPrimaryKeys > 1) {
throw new AsterixException("Cannot create inverted index on dataset with composite primary key.");
@@ -65,7 +75,14 @@
if (numSecondaryKeys > 1) {
throw new AsterixException("Cannot create composite inverted index on multiple fields.");
}
- // Prepare record descriptor used in the assign op, and the optional select op.
+ if (createIndexStmt.getIndexType() == IndexType.FUZZY_WORD_INVIX
+ || createIndexStmt.getIndexType() == IndexType.FUZZY_NGRAM_INVIX) {
+ isPartitioned = true;
+ } else {
+ isPartitioned = false;
+ }
+ // Prepare record descriptor used in the assign op, and the optional
+ // select op.
List<String> secondaryKeyFields = createIndexStmt.getKeyFields();
secondaryFieldAccessEvalFactories = new ICopyEvaluatorFactory[numSecondaryKeys];
ISerializerDeserializer[] secondaryRecFields = new ISerializerDeserializer[numPrimaryKeys + numSecondaryKeys];
@@ -84,25 +101,30 @@
}
secondaryRecDesc = new RecordDescriptor(secondaryRecFields, secondaryTypeTraits);
// Comparators and type traits for tokens.
- tokenComparatorFactories = new IBinaryComparatorFactory[numSecondaryKeys];
- tokenTypeTraits = new ITypeTraits[numSecondaryKeys];
+ int numTokenFields = (!isPartitioned) ? numSecondaryKeys : numSecondaryKeys + 1;
+ tokenComparatorFactories = new IBinaryComparatorFactory[numTokenFields];
+ tokenTypeTraits = new ITypeTraits[numTokenFields];
tokenComparatorFactories[0] = InvertedIndexAccessMethod.getTokenBinaryComparatorFactory(secondaryKeyType);
tokenTypeTraits[0] = InvertedIndexAccessMethod.getTokenTypeTrait(secondaryKeyType);
+ if (isPartitioned) {
+ // The partitioning field is hardcoded to be a short *without* an Asterix type tag.
+ tokenComparatorFactories[1] = PointableBinaryComparatorFactory.of(ShortPointable.FACTORY);
+ tokenTypeTraits[1] = ShortPointable.TYPE_TRAITS;
+ }
// Set tokenizer factory.
- // TODO: We might want to expose the hashing option at the AQL level,
+ // TODO: We might want to expose the hashing option at the AQL level,
// and add the choice to the index metadata.
tokenizerFactory = InvertedIndexAccessMethod.getBinaryTokenizerFactory(secondaryKeyType.getTypeTag(),
createIndexStmt.getIndexType(), createIndexStmt.getGramLength());
- // Type traits for inverted-list elements. Inverted lists contain primary keys.
+ // Type traits for inverted-list elements. Inverted lists contain
+ // primary keys.
invListsTypeTraits = new ITypeTraits[numPrimaryKeys];
for (int i = 0; i < numPrimaryKeys; i++) {
invListsTypeTraits[i] = primaryRecDesc.getTypeTraits()[i];
}
- // Get file split providers for the BTree and inverted-list files.
- fileSplitProviders = metadata.getInvertedIndexFileSplitProviders(secondaryFileSplitProvider);
// For tokenization, sorting and loading.
- // One token + primary keys.
- numTokenKeyPairFields = 1 + numPrimaryKeys;
+ // One token (+ optional partitioning field) + primary keys.
+ numTokenKeyPairFields = (!isPartitioned) ? 1 + numPrimaryKeys : 2 + numPrimaryKeys;
ISerializerDeserializer[] tokenKeyPairFields = new ISerializerDeserializer[numTokenKeyPairFields];
ITypeTraits[] tokenKeyPairTypeTraits = new ITypeTraits[numTokenKeyPairFields];
tokenKeyPairComparatorFactories = new IBinaryComparatorFactory[numTokenKeyPairFields];
@@ -110,10 +132,17 @@
tokenKeyPairTypeTraits[0] = tokenTypeTraits[0];
tokenKeyPairComparatorFactories[0] = InvertedIndexAccessMethod
.getTokenBinaryComparatorFactory(secondaryKeyType);
+ int pkOff = 1;
+ if (isPartitioned) {
+ tokenKeyPairFields[1] = ShortSerializerDeserializer.INSTANCE;
+ tokenKeyPairTypeTraits[1] = tokenTypeTraits[1];
+ tokenKeyPairComparatorFactories[1] = PointableBinaryComparatorFactory.of(ShortPointable.FACTORY);
+ pkOff = 2;
+ }
for (int i = 0; i < numPrimaryKeys; i++) {
- tokenKeyPairFields[i + 1] = primaryRecDesc.getFields()[i];
- tokenKeyPairTypeTraits[i + 1] = primaryRecDesc.getTypeTraits()[i];
- tokenKeyPairComparatorFactories[i + 1] = primaryComparatorFactories[i];
+ tokenKeyPairFields[i + pkOff] = primaryRecDesc.getFields()[i];
+ tokenKeyPairTypeTraits[i + pkOff] = primaryRecDesc.getTypeTraits()[i];
+ tokenKeyPairComparatorFactories[i + pkOff] = primaryComparatorFactories[i];
}
tokenKeyPairRecDesc = new RecordDescriptor(tokenKeyPairFields, tokenKeyPairTypeTraits);
}
@@ -121,11 +150,20 @@
@Override
public JobSpecification buildCreationJobSpec() throws AsterixException, AlgebricksException {
JobSpecification spec = new JobSpecification();
- InvertedIndexCreateOperatorDescriptor invIndexCreateOp = new InvertedIndexCreateOperatorDescriptor(spec,
- AsterixStorageManagerInterface.INSTANCE, fileSplitProviders.first, fileSplitProviders.second,
- AsterixIndexRegistryProvider.INSTANCE, tokenTypeTraits, tokenComparatorFactories, invListsTypeTraits,
- primaryComparatorFactories, tokenizerFactory, new BTreeDataflowHelperFactory(),
- NoOpOperationCallbackProvider.INSTANCE);
+
+ //prepare a LocalResourceMetadata which will be stored in NC's local resource repository
+ ILocalResourceMetadata localResourceMetadata = new LSMInvertedIndexLocalResourceMetadata(invListsTypeTraits,
+ primaryComparatorFactories, tokenTypeTraits, tokenComparatorFactories, tokenizerFactory,
+ GlobalConfig.DEFAULT_INDEX_MEM_PAGE_SIZE, GlobalConfig.DEFAULT_INDEX_MEM_NUM_PAGES);
+ ILocalResourceFactoryProvider localResourceFactoryProvider = new PersistentLocalResourceFactoryProvider(
+ localResourceMetadata, LocalResource.LSMInvertedIndexResource);
+
+ IIndexDataflowHelperFactory dataflowHelperFactory = createDataflowHelperFactory();
+ LSMInvertedIndexCreateOperatorDescriptor invIndexCreateOp = new LSMInvertedIndexCreateOperatorDescriptor(spec,
+ AsterixRuntimeComponentsProvider.NOINDEX_PROVIDER, secondaryFileSplitProvider,
+ AsterixRuntimeComponentsProvider.NOINDEX_PROVIDER, tokenTypeTraits, tokenComparatorFactories,
+ invListsTypeTraits, primaryComparatorFactories, tokenizerFactory, dataflowHelperFactory,
+ localResourceFactoryProvider, NoOpOperationCallbackFactory.INSTANCE);
AlgebricksPartitionConstraintHelper.setPartitionConstraintInJobSpec(spec, invIndexCreateOp,
secondaryPartitionConstraint);
spec.addRoot(invIndexCreateOp);
@@ -137,7 +175,7 @@
public JobSpecification buildLoadingJobSpec() throws AsterixException, AlgebricksException {
JobSpecification spec = new JobSpecification();
- // Create dummy key provider for feeding the primary index scan.
+ // Create dummy key provider for feeding the primary index scan.
AbstractOperatorDescriptor keyProviderOp = createDummyKeyProviderOp(spec);
// Create primary index scan op.
@@ -146,7 +184,8 @@
// Assign op.
AlgebricksMetaOperatorDescriptor asterixAssignOp = createAssignOp(spec, primaryScanOp, numSecondaryKeys);
- // If any of the secondary fields are nullable, then add a select op that filters nulls.
+ // If any of the secondary fields are nullable, then add a select op
+ // that filters nulls.
AlgebricksMetaOperatorDescriptor selectOp = null;
if (anySecondaryKeyIsNullable) {
selectOp = createFilterNullsSelectOp(spec, numSecondaryKeys);
@@ -159,7 +198,7 @@
ExternalSortOperatorDescriptor sortOp = createSortOp(spec, tokenKeyPairComparatorFactories, tokenKeyPairRecDesc);
// Create secondary inverted index bulk load op.
- InvertedIndexBulkLoadOperatorDescriptor invIndexBulkLoadOp = createInvertedIndexBulkLoadOp(spec);
+ LSMInvertedIndexBulkLoadOperatorDescriptor invIndexBulkLoadOp = createInvertedIndexBulkLoadOp(spec);
// Connect the operators.
spec.connect(new OneToOneConnectorDescriptor(spec), keyProviderOp, 0, primaryScanOp, 0);
@@ -178,16 +217,13 @@
}
private AbstractOperatorDescriptor createTokenizerOp(JobSpecification spec) throws AlgebricksException {
- int[] fieldsToTokenize = new int[numSecondaryKeys];
- for (int i = 0; i < numSecondaryKeys; i++) {
- fieldsToTokenize[i] = i;
- }
+ int docField = 0;
int[] primaryKeyFields = new int[numPrimaryKeys];
for (int i = 0; i < numPrimaryKeys; i++) {
primaryKeyFields[i] = numSecondaryKeys + i;
}
BinaryTokenizerOperatorDescriptor tokenizerOp = new BinaryTokenizerOperatorDescriptor(spec,
- tokenKeyPairRecDesc, tokenizerFactory, fieldsToTokenize, primaryKeyFields);
+ tokenKeyPairRecDesc, tokenizerFactory, docField, primaryKeyFields, isPartitioned);
AlgebricksPartitionConstraintHelper.setPartitionConstraintInJobSpec(spec, tokenizerOp,
primaryPartitionConstraint);
return tokenizerOp;
@@ -207,18 +243,37 @@
return sortOp;
}
- private InvertedIndexBulkLoadOperatorDescriptor createInvertedIndexBulkLoadOp(JobSpecification spec) {
- int[] fieldPermutation = new int[numSecondaryKeys + numPrimaryKeys];
+ private LSMInvertedIndexBulkLoadOperatorDescriptor createInvertedIndexBulkLoadOp(JobSpecification spec) {
+ int[] fieldPermutation = new int[numTokenKeyPairFields];
for (int i = 0; i < numTokenKeyPairFields; i++) {
fieldPermutation[i] = i;
}
- InvertedIndexBulkLoadOperatorDescriptor invIndexBulkLoadOp = new InvertedIndexBulkLoadOperatorDescriptor(spec,
- fieldPermutation, AsterixStorageManagerInterface.INSTANCE, fileSplitProviders.first,
- fileSplitProviders.second, AsterixIndexRegistryProvider.INSTANCE, tokenTypeTraits,
+ IIndexDataflowHelperFactory dataflowHelperFactory = createDataflowHelperFactory();
+ LSMInvertedIndexBulkLoadOperatorDescriptor invIndexBulkLoadOp = new LSMInvertedIndexBulkLoadOperatorDescriptor(
+ spec, fieldPermutation, false, numElementsHint, AsterixRuntimeComponentsProvider.NOINDEX_PROVIDER,
+ secondaryFileSplitProvider, AsterixRuntimeComponentsProvider.NOINDEX_PROVIDER, tokenTypeTraits,
tokenComparatorFactories, invListsTypeTraits, primaryComparatorFactories, tokenizerFactory,
- new BTreeDataflowHelperFactory(), NoOpOperationCallbackProvider.INSTANCE);
+ dataflowHelperFactory, NoOpOperationCallbackFactory.INSTANCE);
AlgebricksPartitionConstraintHelper.setPartitionConstraintInJobSpec(spec, invIndexBulkLoadOp,
secondaryPartitionConstraint);
return invIndexBulkLoadOp;
}
+
+ private IIndexDataflowHelperFactory createDataflowHelperFactory() {
+ if (!isPartitioned) {
+ return new LSMInvertedIndexDataflowHelperFactory(
+ AsterixRuntimeComponentsProvider.LSMINVERTEDINDEX_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMINVERTEDINDEX_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMINVERTEDINDEX_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMINVERTEDINDEX_PROVIDER,
+ GlobalConfig.DEFAULT_INDEX_MEM_PAGE_SIZE, GlobalConfig.DEFAULT_INDEX_MEM_NUM_PAGES);
+ } else {
+ return new PartitionedLSMInvertedIndexDataflowHelperFactory(
+ AsterixRuntimeComponentsProvider.LSMINVERTEDINDEX_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMINVERTEDINDEX_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMINVERTEDINDEX_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMINVERTEDINDEX_PROVIDER,
+ GlobalConfig.DEFAULT_INDEX_MEM_PAGE_SIZE, GlobalConfig.DEFAULT_INDEX_MEM_NUM_PAGES);
+ }
+ }
}
diff --git a/asterix-app/src/main/java/edu/uci/ics/asterix/file/SecondaryRTreeCreator.java b/asterix-app/src/main/java/edu/uci/ics/asterix/file/SecondaryRTreeCreator.java
index ba8f6cd..6f400f9 100644
--- a/asterix-app/src/main/java/edu/uci/ics/asterix/file/SecondaryRTreeCreator.java
+++ b/asterix-app/src/main/java/edu/uci/ics/asterix/file/SecondaryRTreeCreator.java
@@ -2,8 +2,8 @@
import java.util.List;
-import edu.uci.ics.asterix.common.context.AsterixIndexRegistryProvider;
-import edu.uci.ics.asterix.common.context.AsterixStorageManagerInterface;
+import edu.uci.ics.asterix.common.config.GlobalConfig;
+import edu.uci.ics.asterix.common.context.AsterixRuntimeComponentsProvider;
import edu.uci.ics.asterix.common.exceptions.AsterixException;
import edu.uci.ics.asterix.dataflow.data.nontagged.valueproviders.AqlPrimitiveValueProviderFactory;
import edu.uci.ics.asterix.formats.nontagged.AqlBinaryComparatorFactoryProvider;
@@ -11,8 +11,12 @@
import edu.uci.ics.asterix.formats.nontagged.AqlTypeTraitProvider;
import edu.uci.ics.asterix.metadata.declared.AqlMetadataProvider;
import edu.uci.ics.asterix.metadata.entities.Index;
+import edu.uci.ics.asterix.om.types.ATypeTag;
import edu.uci.ics.asterix.om.types.IAType;
import edu.uci.ics.asterix.om.util.NonTaggedFormatUtil;
+import edu.uci.ics.asterix.transaction.management.resource.ILocalResourceMetadata;
+import edu.uci.ics.asterix.transaction.management.resource.LSMRTreeLocalResourceMetadata;
+import edu.uci.ics.asterix.transaction.management.resource.PersistentLocalResourceFactoryProvider;
import edu.uci.ics.asterix.translator.CompiledStatements.CompiledCreateIndexStatement;
import edu.uci.ics.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraintHelper;
import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
@@ -32,14 +36,18 @@
import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
import edu.uci.ics.hyracks.storage.am.common.dataflow.TreeIndexBulkLoadOperatorDescriptor;
import edu.uci.ics.hyracks.storage.am.common.dataflow.TreeIndexCreateOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackProvider;
-import edu.uci.ics.hyracks.storage.am.rtree.dataflow.RTreeDataflowHelperFactory;
+import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.rtree.dataflow.LSMRTreeDataflowHelperFactory;
+import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import edu.uci.ics.hyracks.storage.common.file.ILocalResourceFactoryProvider;
+import edu.uci.ics.hyracks.storage.common.file.LocalResource;
@SuppressWarnings("rawtypes")
public class SecondaryRTreeCreator extends SecondaryIndexCreator {
protected IPrimitiveValueProviderFactory[] valueProviderFactories;
protected int numNestedSecondaryKeyFields;
+ protected ATypeTag keyType;
protected SecondaryRTreeCreator(PhysicalOptimizationConfig physOptConf) {
super(physOptConf);
@@ -48,10 +56,27 @@
@Override
public JobSpecification buildCreationJobSpec() throws AsterixException, AlgebricksException {
JobSpecification spec = new JobSpecification();
+
+ //prepare a LocalResourceMetadata which will be stored in NC's local resource repository
+ ILocalResourceMetadata localResourceMetadata = new LSMRTreeLocalResourceMetadata(
+ secondaryRecDesc.getTypeTraits(), secondaryComparatorFactories, primaryComparatorFactories,
+ valueProviderFactories, RTreePolicyType.RTREE, AqlMetadataProvider.proposeLinearizer(keyType,
+ secondaryComparatorFactories.length), GlobalConfig.DEFAULT_INDEX_MEM_PAGE_SIZE,
+ GlobalConfig.DEFAULT_INDEX_MEM_NUM_PAGES);
+ ILocalResourceFactoryProvider localResourceFactoryProvider = new PersistentLocalResourceFactoryProvider(
+ localResourceMetadata, LocalResource.LSMRTreeResource);
+
TreeIndexCreateOperatorDescriptor secondaryIndexCreateOp = new TreeIndexCreateOperatorDescriptor(spec,
- AsterixStorageManagerInterface.INSTANCE, AsterixIndexRegistryProvider.INSTANCE,
- secondaryFileSplitProvider, secondaryRecDesc.getTypeTraits(), secondaryComparatorFactories,
- new RTreeDataflowHelperFactory(valueProviderFactories), NoOpOperationCallbackProvider.INSTANCE);
+ AsterixRuntimeComponentsProvider.NOINDEX_PROVIDER, AsterixRuntimeComponentsProvider.NOINDEX_PROVIDER,
+ secondaryFileSplitProvider, secondaryRecDesc.getTypeTraits(), secondaryComparatorFactories, null,
+ new LSMRTreeDataflowHelperFactory(valueProviderFactories, RTreePolicyType.RTREE,
+ primaryComparatorFactories, AsterixRuntimeComponentsProvider.LSMRTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMRTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMRTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMRTREE_PROVIDER, AqlMetadataProvider.proposeLinearizer(
+ keyType, secondaryComparatorFactories.length),
+ GlobalConfig.DEFAULT_INDEX_MEM_PAGE_SIZE, GlobalConfig.DEFAULT_INDEX_MEM_NUM_PAGES),
+ localResourceFactoryProvider, NoOpOperationCallbackFactory.INSTANCE);
AlgebricksPartitionConstraintHelper.setPartitionConstraintInJobSpec(spec, secondaryIndexCreateOp,
secondaryPartitionConstraint);
spec.addRoot(secondaryIndexCreateOp);
@@ -60,8 +85,8 @@
}
@Override
- protected void setSecondaryRecDescAndComparators(CompiledCreateIndexStatement createIndexStmt, AqlMetadataProvider metadata)
- throws AlgebricksException, AsterixException {
+ protected void setSecondaryRecDescAndComparators(CompiledCreateIndexStatement createIndexStmt,
+ AqlMetadataProvider metadata) throws AlgebricksException, AsterixException {
List<String> secondaryKeyFields = createIndexStmt.getKeyFields();
int numSecondaryKeys = secondaryKeyFields.size();
if (numSecondaryKeys != 1) {
@@ -86,6 +111,7 @@
+ numNestedSecondaryKeyFields];
ITypeTraits[] secondaryTypeTraits = new ITypeTraits[numNestedSecondaryKeyFields + numPrimaryKeys];
IAType nestedKeyType = NonTaggedFormatUtil.getNestedSpatialType(spatialType.getTypeTag());
+ keyType = nestedKeyType.getTypeTag();
for (int i = 0; i < numNestedSecondaryKeyFields; i++) {
ISerializerDeserializer keySerde = AqlSerializerDeserializerProvider.INSTANCE
.getSerializerDeserializer(nestedKeyType);
@@ -124,8 +150,16 @@
}
// Create secondary RTree bulk load op.
- TreeIndexBulkLoadOperatorDescriptor secondaryBulkLoadOp = createTreeIndexBulkLoadOp(spec,
- numNestedSecondaryKeyFields, new RTreeDataflowHelperFactory(valueProviderFactories),
+ TreeIndexBulkLoadOperatorDescriptor secondaryBulkLoadOp = createTreeIndexBulkLoadOp(
+ spec,
+ numNestedSecondaryKeyFields,
+ new LSMRTreeDataflowHelperFactory(valueProviderFactories, RTreePolicyType.RTREE,
+ primaryComparatorFactories, AsterixRuntimeComponentsProvider.LSMRTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMRTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMRTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMRTREE_PROVIDER, AqlMetadataProvider.proposeLinearizer(
+ keyType, secondaryComparatorFactories.length),
+ GlobalConfig.DEFAULT_INDEX_MEM_PAGE_SIZE, GlobalConfig.DEFAULT_INDEX_MEM_NUM_PAGES),
BTree.DEFAULT_FILL_FACTOR);
// Connect the operators.
diff --git a/asterix-app/src/main/java/edu/uci/ics/asterix/file/TestKeywordIndexJob.java b/asterix-app/src/main/java/edu/uci/ics/asterix/file/TestKeywordIndexJob.java
deleted file mode 100644
index 6baa865..0000000
--- a/asterix-app/src/main/java/edu/uci/ics/asterix/file/TestKeywordIndexJob.java
+++ /dev/null
@@ -1,228 +0,0 @@
-package edu.uci.ics.asterix.file;
-
-import java.io.DataOutput;
-import java.io.File;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-
-import edu.uci.ics.asterix.common.context.AsterixIndexRegistryProvider;
-import edu.uci.ics.asterix.common.context.AsterixStorageManagerInterface;
-import edu.uci.ics.asterix.common.exceptions.AsterixException;
-import edu.uci.ics.asterix.dataflow.data.nontagged.comparators.AObjectAscBinaryComparatorFactory;
-import edu.uci.ics.asterix.dataflow.data.nontagged.serde.AObjectSerializerDeserializer;
-import edu.uci.ics.asterix.om.base.AString;
-import edu.uci.ics.asterix.om.types.ATypeTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.api.client.HyracksConnection;
-import edu.uci.ics.hyracks.api.client.IHyracksClientConnection;
-import edu.uci.ics.hyracks.api.constraints.PartitionConstraintHelper;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.DoubleParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.FloatParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.IValueParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.IntegerParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.LongParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
-import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.ConstantFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.misc.ConstantTupleSourceOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.misc.PrinterOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.btree.dataflow.BTreeDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.btree.dataflow.BTreeSearchOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexRegistryProvider;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackProvider;
-import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
-
-public class TestKeywordIndexJob {
-
- private static final HashMap<ATypeTag, IValueParserFactory> typeToValueParserFactMap = new HashMap<ATypeTag, IValueParserFactory>();
- static {
- typeToValueParserFactMap.put(ATypeTag.INT32, IntegerParserFactory.INSTANCE);
- typeToValueParserFactMap.put(ATypeTag.FLOAT, FloatParserFactory.INSTANCE);
- typeToValueParserFactMap.put(ATypeTag.DOUBLE, DoubleParserFactory.INSTANCE);
- typeToValueParserFactMap.put(ATypeTag.INT64, LongParserFactory.INSTANCE);
- typeToValueParserFactMap.put(ATypeTag.STRING, UTF8StringParserFactory.INSTANCE);
- }
-
- public static int DEFAULT_INPUT_DATA_COLUMN = 0;
- public static LogicalVariable METADATA_DUMMY_VAR = new LogicalVariable(-1);
-
- @SuppressWarnings("unchecked")
- public JobSpecification createJobSpec() throws AsterixException, HyracksDataException {
-
- JobSpecification spec = new JobSpecification();
-
- // ---------- START GENERAL BTREE STUFF
-
- IIndexRegistryProvider<IIndex> indexRegistryProvider = AsterixIndexRegistryProvider.INSTANCE;
- IStorageManagerInterface storageManager = AsterixStorageManagerInterface.INSTANCE;
-
- // ---------- END GENERAL BTREE STUFF
-
- List<String> nodeGroup = new ArrayList<String>();
- nodeGroup.add("nc1");
- nodeGroup.add("nc2");
-
- // ---------- START KEY PROVIDER OP
-
- // TODO: should actually be empty tuple source
- // build tuple containing low and high search keys
- ArrayTupleBuilder tb = new ArrayTupleBuilder(1); // just one dummy field
- DataOutput dos = tb.getDataOutput();
-
- tb.reset();
- AObjectSerializerDeserializer.INSTANCE.serialize(new AString("Jodi Rotruck"), dos); // dummy
- // field
- tb.addFieldEndOffset();
-
- ISerializerDeserializer[] keyRecDescSers = { AObjectSerializerDeserializer.INSTANCE };
- RecordDescriptor keyRecDesc = new RecordDescriptor(keyRecDescSers);
-
- ConstantTupleSourceOperatorDescriptor keyProviderOp = new ConstantTupleSourceOperatorDescriptor(spec,
- keyRecDesc, tb.getFieldEndOffsets(), tb.getByteArray(), tb.getSize());
- String[] keyProviderOpLocationConstraint = new String[nodeGroup.size()];
- for (int p = 0; p < nodeGroup.size(); p++) {
- keyProviderOpLocationConstraint[p] = nodeGroup.get(p);
- }
- PartitionConstraintHelper.addAbsoluteLocationConstraint(spec, keyProviderOp, keyProviderOpLocationConstraint);
-
- // ---------- END KEY PROVIDER OP
-
- // ---------- START SECONRARY INDEX SCAN
-
- ITypeTraits[] secondaryTypeTraits = new ITypeTraits[2];
- secondaryTypeTraits[0] = new ITypeTraits() {
-
- @Override
- public boolean isFixedLength() {
- return false;
- }
-
- @Override
- public int getFixedLength() {
- return -1;
- }
- };
-
- secondaryTypeTraits[1] = new ITypeTraits() {
-
- @Override
- public boolean isFixedLength() {
- return true;
- }
-
- @Override
- public int getFixedLength() {
- return 5;
- }
- };
-
- ISerializerDeserializer[] secondaryRecFields = new ISerializerDeserializer[2];
- secondaryRecFields[0] = AObjectSerializerDeserializer.INSTANCE;
- secondaryRecFields[1] = AObjectSerializerDeserializer.INSTANCE;
- IBinaryComparatorFactory[] secondaryComparatorFactories = new IBinaryComparatorFactory[2];
- secondaryComparatorFactories[0] = AObjectAscBinaryComparatorFactory.INSTANCE;
- secondaryComparatorFactories[1] = AObjectAscBinaryComparatorFactory.INSTANCE;
-
- int[] lowKeyFields = null;
- int[] highKeyFields = null;
- RecordDescriptor secondaryRecDesc = new RecordDescriptor(secondaryRecFields);
- // TODO: change file splits according to mount points in cluster config
- IFileSplitProvider secondarySplitProvider = new ConstantFileSplitProvider(new FileSplit[] {
- new FileSplit("nc1", new FileReference(new File("/tmp/nc1/demo1112/Customers_idx_NameInvIndex"))),
- new FileSplit("nc2", new FileReference(new File("/tmp/nc2/demo1112/Customers_idx_NameInvIndex"))) });
- BTreeSearchOperatorDescriptor secondarySearchOp = new BTreeSearchOperatorDescriptor(spec, secondaryRecDesc,
- storageManager, indexRegistryProvider, secondarySplitProvider, secondaryTypeTraits,
- secondaryComparatorFactories, lowKeyFields, highKeyFields, true, true,
- new BTreeDataflowHelperFactory(), false, NoOpOperationCallbackProvider.INSTANCE);
- String[] secondarySearchOpLocationConstraint = new String[nodeGroup.size()];
- for (int p = 0; p < nodeGroup.size(); p++) {
- secondarySearchOpLocationConstraint[p] = nodeGroup.get(p);
- }
- PartitionConstraintHelper.addAbsoluteLocationConstraint(spec, secondarySearchOp,
- secondarySearchOpLocationConstraint);
-
- // ---------- END SECONDARY INDEX SCAN
-
- PrinterOperatorDescriptor printer = new PrinterOperatorDescriptor(spec);
- String[] printerLocationConstraint = new String[nodeGroup.size()];
- for (int p = 0; p < nodeGroup.size(); p++) {
- printerLocationConstraint[p] = nodeGroup.get(p);
- }
- PartitionConstraintHelper.addAbsoluteLocationConstraint(spec, printer, printerLocationConstraint);
-
- // ---------- START CONNECT THE OPERATORS
-
- spec.connect(new OneToOneConnectorDescriptor(spec), keyProviderOp, 0, secondarySearchOp, 0);
-
- spec.connect(new OneToOneConnectorDescriptor(spec), secondarySearchOp, 0, printer, 0);
-
- // ---------- END CONNECT THE OPERATORS
-
- spec.addRoot(printer);
-
- return spec;
- }
-
- public static void main(String[] args) throws Exception {
- String host;
- String appName;
- String ddlFile;
-
- switch (args.length) {
- case 0: {
- host = "127.0.0.1";
- appName = "asterix";
- ddlFile = "/home/abehm/workspace/asterix/src/test/resources/demo0927/local/create-index.aql";
- System.out.println("No arguments specified, using defauls:");
- System.out.println("HYRACKS HOST: " + host);
- System.out.println("APPNAME: " + appName);
- System.out.println("DDLFILE: " + ddlFile);
- }
- break;
-
- case 3: {
- host = args[0];
- appName = args[1];
- ddlFile = args[2];
- }
- break;
-
- default: {
- System.out.println("USAGE:");
- System.out.println("ARG 1: Hyracks Host (IP or Hostname)");
- System.out.println("ARG 2: Application Name (e.g., asterix)");
- System.out.println("ARG 3: DDL File");
- host = null;
- appName = null;
- ddlFile = null;
- System.exit(0);
- }
- break;
- }
-
- int port = 1098;
- IHyracksClientConnection hcc = new HyracksConnection(host, port);
-
- TestKeywordIndexJob tij = new TestKeywordIndexJob();
- JobSpecification jobSpec = tij.createJobSpec();
-
- long start = System.currentTimeMillis();
- JobId jobId = hcc.startJob(jobSpec);
- hcc.waitForCompletion(jobId);
- long end = System.currentTimeMillis();
- System.err.println(start + " " + end + " " + (end - start));
- }
-}
diff --git a/asterix-app/src/main/java/edu/uci/ics/asterix/file/TestSecondaryIndexJob.java b/asterix-app/src/main/java/edu/uci/ics/asterix/file/TestSecondaryIndexJob.java
deleted file mode 100644
index 3faca96..0000000
--- a/asterix-app/src/main/java/edu/uci/ics/asterix/file/TestSecondaryIndexJob.java
+++ /dev/null
@@ -1,228 +0,0 @@
-package edu.uci.ics.asterix.file;
-
-import java.io.DataOutput;
-import java.io.File;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-
-import edu.uci.ics.asterix.common.context.AsterixIndexRegistryProvider;
-import edu.uci.ics.asterix.common.context.AsterixStorageManagerInterface;
-import edu.uci.ics.asterix.common.exceptions.AsterixException;
-import edu.uci.ics.asterix.dataflow.data.nontagged.comparators.AObjectAscBinaryComparatorFactory;
-import edu.uci.ics.asterix.dataflow.data.nontagged.serde.AObjectSerializerDeserializer;
-import edu.uci.ics.asterix.om.base.AString;
-import edu.uci.ics.asterix.om.types.ATypeTag;
-import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable;
-import edu.uci.ics.hyracks.api.client.HyracksConnection;
-import edu.uci.ics.hyracks.api.client.IHyracksClientConnection;
-import edu.uci.ics.hyracks.api.constraints.PartitionConstraintHelper;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.api.job.JobId;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.DoubleParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.FloatParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.IValueParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.IntegerParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.LongParserFactory;
-import edu.uci.ics.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
-import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.file.ConstantFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.dataflow.std.misc.ConstantTupleSourceOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.misc.PrinterOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.btree.dataflow.BTreeDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.btree.dataflow.BTreeSearchOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexRegistryProvider;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackProvider;
-import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
-
-public class TestSecondaryIndexJob {
-
- private static final HashMap<ATypeTag, IValueParserFactory> typeToValueParserFactMap = new HashMap<ATypeTag, IValueParserFactory>();
- static {
- typeToValueParserFactMap.put(ATypeTag.INT32, IntegerParserFactory.INSTANCE);
- typeToValueParserFactMap.put(ATypeTag.FLOAT, FloatParserFactory.INSTANCE);
- typeToValueParserFactMap.put(ATypeTag.DOUBLE, DoubleParserFactory.INSTANCE);
- typeToValueParserFactMap.put(ATypeTag.INT64, LongParserFactory.INSTANCE);
- typeToValueParserFactMap.put(ATypeTag.STRING, UTF8StringParserFactory.INSTANCE);
- }
-
- public static int DEFAULT_INPUT_DATA_COLUMN = 0;
- public static LogicalVariable METADATA_DUMMY_VAR = new LogicalVariable(-1);
-
- @SuppressWarnings("unchecked")
- public JobSpecification createJobSpec() throws AsterixException, HyracksDataException {
-
- JobSpecification spec = new JobSpecification();
-
- // ---------- START GENERAL BTREE STUFF
-
- IIndexRegistryProvider<IIndex> indexRegistryProvider = AsterixIndexRegistryProvider.INSTANCE;
- IStorageManagerInterface storageManager = AsterixStorageManagerInterface.INSTANCE;
-
- // ---------- END GENERAL BTREE STUFF
-
- List<String> nodeGroup = new ArrayList<String>();
- nodeGroup.add("nc1");
- nodeGroup.add("nc2");
-
- // ---------- START KEY PROVIDER OP
-
- // TODO: should actually be empty tuple source
- // build tuple containing low and high search keys
- ArrayTupleBuilder tb = new ArrayTupleBuilder(1); // just one dummy field
- DataOutput dos = tb.getDataOutput();
-
- tb.reset();
- AObjectSerializerDeserializer.INSTANCE.serialize(new AString("Jodi Rotruck"), dos); // dummy
- // field
- tb.addFieldEndOffset();
-
- ISerializerDeserializer[] keyRecDescSers = { AObjectSerializerDeserializer.INSTANCE };
- RecordDescriptor keyRecDesc = new RecordDescriptor(keyRecDescSers);
-
- ConstantTupleSourceOperatorDescriptor keyProviderOp = new ConstantTupleSourceOperatorDescriptor(spec,
- keyRecDesc, tb.getFieldEndOffsets(), tb.getByteArray(), tb.getSize());
- String[] keyProviderOpLocationConstraint = new String[nodeGroup.size()];
- for (int p = 0; p < nodeGroup.size(); p++) {
- keyProviderOpLocationConstraint[p] = nodeGroup.get(p);
- }
- PartitionConstraintHelper.addAbsoluteLocationConstraint(spec, keyProviderOp, keyProviderOpLocationConstraint);
-
- // ---------- END KEY PROVIDER OP
-
- // ---------- START SECONRARY INDEX SCAN
-
- ITypeTraits[] secondaryTypeTraits = new ITypeTraits[2];
- secondaryTypeTraits[0] = new ITypeTraits() {
-
- @Override
- public boolean isFixedLength() {
- return false;
- }
-
- @Override
- public int getFixedLength() {
- return -1;
- }
- };
-
- secondaryTypeTraits[1] = new ITypeTraits() {
-
- @Override
- public boolean isFixedLength() {
- return true;
- }
-
- @Override
- public int getFixedLength() {
- return 5;
- }
- };
-
- ISerializerDeserializer[] secondaryRecFields = new ISerializerDeserializer[2];
- secondaryRecFields[0] = AObjectSerializerDeserializer.INSTANCE;
- secondaryRecFields[1] = AObjectSerializerDeserializer.INSTANCE;
- IBinaryComparatorFactory[] secondaryComparatorFactories = new IBinaryComparatorFactory[2];
- secondaryComparatorFactories[0] = AObjectAscBinaryComparatorFactory.INSTANCE;
- secondaryComparatorFactories[1] = AObjectAscBinaryComparatorFactory.INSTANCE;
-
- int[] lowKeyFields = null; // -infinity
- int[] highKeyFields = null; // +infinity
- RecordDescriptor secondaryRecDesc = new RecordDescriptor(secondaryRecFields);
- // TODO: change file splits according to mount points in cluster config
- IFileSplitProvider secondarySplitProvider = new ConstantFileSplitProvider(new FileSplit[] {
- new FileSplit("nc1", new FileReference(new File("/tmp/nc1/demo1112/Customers_idx_NameBtreeIndex"))),
- new FileSplit("nc2", new FileReference(new File("/tmp/nc2/demo1112/Customers_idx_NameBtreeIndex"))) });
- BTreeSearchOperatorDescriptor secondarySearchOp = new BTreeSearchOperatorDescriptor(spec, secondaryRecDesc,
- storageManager, indexRegistryProvider, secondarySplitProvider, secondaryTypeTraits,
- secondaryComparatorFactories, lowKeyFields, highKeyFields, true, true,
- new BTreeDataflowHelperFactory(), false, NoOpOperationCallbackProvider.INSTANCE);
- String[] secondarySearchOpLocationConstraint = new String[nodeGroup.size()];
- for (int p = 0; p < nodeGroup.size(); p++) {
- secondarySearchOpLocationConstraint[p] = nodeGroup.get(p);
- }
- PartitionConstraintHelper.addAbsoluteLocationConstraint(spec, secondarySearchOp,
- secondarySearchOpLocationConstraint);
-
- // ---------- END SECONDARY INDEX SCAN
-
- PrinterOperatorDescriptor printer = new PrinterOperatorDescriptor(spec);
- String[] printerLocationConstraint = new String[nodeGroup.size()];
- for (int p = 0; p < nodeGroup.size(); p++) {
- printerLocationConstraint[p] = nodeGroup.get(p);
- }
- PartitionConstraintHelper.addAbsoluteLocationConstraint(spec, printer, printerLocationConstraint);
-
- // ---------- START CONNECT THE OPERATORS
-
- spec.connect(new OneToOneConnectorDescriptor(spec), keyProviderOp, 0, secondarySearchOp, 0);
-
- spec.connect(new OneToOneConnectorDescriptor(spec), secondarySearchOp, 0, printer, 0);
-
- // ---------- END CONNECT THE OPERATORS
-
- spec.addRoot(printer);
-
- return spec;
- }
-
- public static void main(String[] args) throws Exception {
- String host;
- String appName;
- String ddlFile;
-
- switch (args.length) {
- case 0: {
- host = "127.0.0.1";
- appName = "asterix";
- ddlFile = "/home/nicnic/workspace/asterix/trunk/asterix/asterix-app/src/test/resources/demo0927/local/create-index.aql";
- System.out.println("No arguments specified, using defauls:");
- System.out.println("HYRACKS HOST: " + host);
- System.out.println("APPNAME: " + appName);
- System.out.println("DDLFILE: " + ddlFile);
- }
- break;
-
- case 3: {
- host = args[0];
- appName = args[1];
- ddlFile = args[2];
- }
- break;
-
- default: {
- System.out.println("USAGE:");
- System.out.println("ARG 1: Hyracks Host (IP or Hostname)");
- System.out.println("ARG 2: Application Name (e.g., asterix)");
- System.out.println("ARG 3: DDL File");
- host = null;
- appName = null;
- ddlFile = null;
- System.exit(0);
- }
- break;
- }
-
- int port = 1098;
- IHyracksClientConnection hcc = new HyracksConnection(host, port);
-
- TestSecondaryIndexJob tij = new TestSecondaryIndexJob();
- JobSpecification jobSpec = tij.createJobSpec();
-
- long start = System.currentTimeMillis();
- JobId jobId = hcc.startJob(jobSpec);
- hcc.waitForCompletion(jobId);
- long end = System.currentTimeMillis();
- System.err.println(start + " " + end + " " + (end - start));
- }
-}
diff --git a/asterix-app/src/main/java/edu/uci/ics/asterix/hyracks/bootstrap/AsterixNodeState.java b/asterix-app/src/main/java/edu/uci/ics/asterix/hyracks/bootstrap/AsterixNodeState.java
deleted file mode 100644
index dbf1625..0000000
--- a/asterix-app/src/main/java/edu/uci/ics/asterix/hyracks/bootstrap/AsterixNodeState.java
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- * Copyright 2009-2011 by The Regents of the University of California
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * you may obtain a copy of the License from
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package edu.uci.ics.asterix.hyracks.bootstrap;
-
-import java.io.Serializable;
-
-public class AsterixNodeState implements Serializable {
-
- private static final long serialVersionUID = 1L;
-
- private int apiNodeDataServerPort;
-
- public int getAPINodeDataServerPort() {
- return apiNodeDataServerPort;
- }
-
- public void setAPINodeDataServerPort(int port) {
- this.apiNodeDataServerPort = port;
- }
-
-}
diff --git a/asterix-app/src/main/java/edu/uci/ics/asterix/hyracks/bootstrap/NCApplicationEntryPoint.java b/asterix-app/src/main/java/edu/uci/ics/asterix/hyracks/bootstrap/NCApplicationEntryPoint.java
index cee5b7f..59ae6f9 100644
--- a/asterix-app/src/main/java/edu/uci/ics/asterix/hyracks/bootstrap/NCApplicationEntryPoint.java
+++ b/asterix-app/src/main/java/edu/uci/ics/asterix/hyracks/bootstrap/NCApplicationEntryPoint.java
@@ -12,6 +12,8 @@
import edu.uci.ics.asterix.metadata.api.IAsterixStateProxy;
import edu.uci.ics.asterix.metadata.api.IMetadataNode;
import edu.uci.ics.asterix.metadata.bootstrap.MetadataBootstrap;
+import edu.uci.ics.asterix.transaction.management.service.recovery.IRecoveryManager;
+import edu.uci.ics.asterix.transaction.management.service.recovery.IRecoveryManager.SystemState;
import edu.uci.ics.hyracks.api.application.INCApplicationContext;
import edu.uci.ics.hyracks.api.application.INCApplicationEntryPoint;
@@ -37,7 +39,22 @@
ncApplicationContext.setApplicationObject(runtimeContext);
JVMShutdownHook sHook = new JVMShutdownHook(this);
Runtime.getRuntime().addShutdownHook(sHook);
-
+
+ //#. recover if the system is corrupted by checking system state.
+ IRecoveryManager recoveryMgr = runtimeContext.getTransactionSubsystem().getRecoveryManager();
+ if (recoveryMgr.getSystemState() == SystemState.CORRUPTED) {
+ recoveryMgr.startRecovery(true);
+ }
+ recoveryMgr.checkpoint(true);
+
+ //TODO
+ //#. synchronize metadata and jobid
+ /*********************************************
+ if (isMetadataNode) {
+ //#. clean-up incomplete DDL operations, which is DDLRecovery
+ MetadataBootstrap.startDDLRecovery();
+ }
+ **********************************************/
}
@Override
diff --git a/asterix-app/src/main/java/edu/uci/ics/asterix/hyracks/bootstrap/NCBootstrapImpl.java b/asterix-app/src/main/java/edu/uci/ics/asterix/hyracks/bootstrap/NCBootstrapImpl.java
new file mode 100644
index 0000000..3c81b43
--- /dev/null
+++ b/asterix-app/src/main/java/edu/uci/ics/asterix/hyracks/bootstrap/NCBootstrapImpl.java
@@ -0,0 +1,107 @@
+/*
+ * Copyright 2009-2011 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package edu.uci.ics.asterix.hyracks.bootstrap;
+
+import java.rmi.RemoteException;
+import java.rmi.server.UnicastRemoteObject;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import edu.uci.ics.asterix.common.context.AsterixAppRuntimeContext;
+import edu.uci.ics.asterix.metadata.MetadataManager;
+import edu.uci.ics.asterix.metadata.MetadataNode;
+import edu.uci.ics.asterix.metadata.api.IAsterixStateProxy;
+import edu.uci.ics.asterix.metadata.api.IMetadataNode;
+import edu.uci.ics.asterix.metadata.bootstrap.MetadataBootstrap;
+import edu.uci.ics.asterix.transaction.management.service.recovery.IRecoveryManager;
+import edu.uci.ics.asterix.transaction.management.service.recovery.IRecoveryManager.SystemState;
+import edu.uci.ics.hyracks.api.application.INCApplicationContext;
+import edu.uci.ics.hyracks.api.application.INCBootstrap;
+
+public class NCBootstrapImpl implements INCBootstrap {
+ private static final Logger LOGGER = Logger.getLogger(NCBootstrapImpl.class.getName());
+
+ private INCApplicationContext ncApplicationContext = null;
+ private AsterixAppRuntimeContext runtimeContext;
+ private String nodeId;
+ private boolean isMetadataNode = false;
+
+ @Override
+ public void start() throws Exception {
+ nodeId = ncApplicationContext.getNodeId();
+ if (LOGGER.isLoggable(Level.INFO)) {
+ LOGGER.info("Starting Asterix node controller: " + nodeId);
+ }
+
+ runtimeContext = new AsterixAppRuntimeContext(ncApplicationContext);
+ runtimeContext.initialize();
+ ncApplicationContext.setApplicationObject(runtimeContext);
+
+ IAsterixStateProxy proxy = (IAsterixStateProxy) ncApplicationContext.getDistributedState();
+ isMetadataNode = nodeId.equals(proxy.getAsterixProperties().getMetadataNodeName());
+ if (isMetadataNode) {
+ registerRemoteMetadataNode(proxy);
+
+ if (LOGGER.isLoggable(Level.INFO)) {
+ LOGGER.info("Bootstrapping metadata");
+ }
+ MetadataManager.INSTANCE = new MetadataManager(proxy);
+ MetadataManager.INSTANCE.init();
+ MetadataBootstrap.startUniverse(proxy.getAsterixProperties(), ncApplicationContext);
+ }
+
+ //#. recover if the system is corrupted by checking system state.
+ IRecoveryManager recoveryMgr = runtimeContext.getTransactionSubsystem().getRecoveryManager();
+ if (!proxy.getAsterixProperties().isNewUniverse()) {
+ if (recoveryMgr.getSystemState() == SystemState.CORRUPTED) {
+ recoveryMgr.startRecovery(true);
+ }
+ }
+ recoveryMgr.checkpoint(true);
+
+ if (isMetadataNode) {
+ //#. clean-up incomplete DDL operations, which is DDLRecovery
+ MetadataBootstrap.startDDLRecovery();
+ }
+ }
+
+ public void registerRemoteMetadataNode(IAsterixStateProxy proxy) throws RemoteException {
+ IMetadataNode stub = null;
+ MetadataNode.INSTANCE.initialize(runtimeContext);
+ stub = (IMetadataNode) UnicastRemoteObject.exportObject(MetadataNode.INSTANCE, 0);
+ proxy.setMetadataNode(stub);
+
+ if (LOGGER.isLoggable(Level.INFO)) {
+ LOGGER.info("Metadata node bound");
+ }
+ }
+
+ @Override
+ public void stop() throws Exception {
+ if (LOGGER.isLoggable(Level.INFO)) {
+ LOGGER.info("Stopping Asterix node controller: " + nodeId);
+ }
+
+ if (isMetadataNode) {
+ MetadataBootstrap.stopUniverse();
+ }
+ runtimeContext.deinitialize();
+ }
+
+ @Override
+ public void setApplicationContext(INCApplicationContext appCtx) {
+ this.ncApplicationContext = appCtx;
+ }
+}
\ No newline at end of file
diff --git a/asterix-app/src/main/resources/asterix-idefix.properties b/asterix-app/src/main/resources/asterix-idefix.properties
deleted file mode 100755
index 278bcb4..0000000
--- a/asterix-app/src/main/resources/asterix-idefix.properties
+++ /dev/null
@@ -1,2 +0,0 @@
-nc1.stores=/home/nicnic/Work/Asterix/tests/tpch/nc1data
-nc2.stores=/home/nicnic/Work/Asterix/tests/tpch/nc2data
diff --git a/asterix-app/src/main/resources/asterix-peach.properties b/asterix-app/src/main/resources/asterix-peach.properties
deleted file mode 100644
index 20a6eeb..0000000
--- a/asterix-app/src/main/resources/asterix-peach.properties
+++ /dev/null
@@ -1,2 +0,0 @@
-nc1.stores=/tmp/nc1/
-nc2.stores=/tmp/nc2/
diff --git a/asterix-app/src/main/resources/asterix-rainbow.properties b/asterix-app/src/main/resources/asterix-rainbow.properties
deleted file mode 100644
index d5febe4..0000000
--- a/asterix-app/src/main/resources/asterix-rainbow.properties
+++ /dev/null
@@ -1,5 +0,0 @@
-rainbow-01.stores=/data/onose/rainbow-01/
-rainbow-02.stores=/data/onose/rainbow-02/
-rainbow-03.stores=/data/onose/rainbow-03/
-rainbow-04.stores=/data/onose/rainbow-04/
-rainbow-05.stores=/data/onose/rainbow-05/
\ No newline at end of file
diff --git a/asterix-app/src/main/resources/asterix.properties b/asterix-app/src/main/resources/asterix.properties
deleted file mode 100755
index 78cd2b9..0000000
--- a/asterix-app/src/main/resources/asterix.properties
+++ /dev/null
@@ -1,10 +0,0 @@
-asterix-001.stores=/mnt/data/sda/space/onose,/mnt/data/sdb/space/onose,/mnt/data/sdc/space/onose,/mnt/data/sdd/space/onose
-asterix-002.stores=/mnt/data/sda/space/onose,/mnt/data/sdb/space/onose,/mnt/data/sdc/space/onose,/mnt/data/sdd/space/onose
-asterix-003.stores=/mnt/data/sda/space/onose,/mnt/data/sdb/space/onose,/mnt/data/sdc/space/onose,/mnt/data/sdd/space/onose
-asterix-004.stores=/mnt/data/sda/space/onose,/mnt/data/sdb/space/onose,/mnt/data/sdc/space/onose,/mnt/data/sdd/space/onose
-asterix-005.stores=/mnt/data/sda/space/onose,/mnt/data/sdb/space/onose,/mnt/data/sdc/space/onose,/mnt/data/sdd/space/onose
-asterix-006.stores=/mnt/data/sda/space/onose,/mnt/data/sdb/space/onose,/mnt/data/sdc/space/onose,/mnt/data/sdd/space/onose
-asterix-007.stores=/mnt/data/sda/space/onose,/mnt/data/sdb/space/onose,/mnt/data/sdc/space/onose,/mnt/data/sdd/space/onose
-asterix-008.stores=/mnt/data/sda/space/onose,/mnt/data/sdb/space/onose,/mnt/data/sdc/space/onose,/mnt/data/sdd/space/onose
-asterix-009.stores=/mnt/data/sda/space/onose,/mnt/data/sdb/space/onose,/mnt/data/sdc/space/onose,/mnt/data/sdd/space/onose
-asterix-010.stores=/mnt/data/sda/space/onose,/mnt/data/sdb/space/onose,/mnt/data/sdc/space/onose,/mnt/data/sdd/space/onose
diff --git a/asterix-app/src/main/resources/hyracks-initdb-deployment.properties b/asterix-app/src/main/resources/hyracks-initdb-deployment.properties
deleted file mode 100644
index e40db59..0000000
--- a/asterix-app/src/main/resources/hyracks-initdb-deployment.properties
+++ /dev/null
@@ -1,2 +0,0 @@
-cc.bootstrap.class=edu.uci.ics.initdb.hyracks.bootstrap.CCBootstrapImpl
-nc.bootstrap.class=edu.uci.ics.initdb.hyracks.bootstrap.NCBootstrapImpl
\ No newline at end of file
diff --git a/asterix-app/src/main/resources/idefix-4nc.properties b/asterix-app/src/main/resources/idefix-4nc.properties
deleted file mode 100755
index 747eb41..0000000
--- a/asterix-app/src/main/resources/idefix-4nc.properties
+++ /dev/null
@@ -1,4 +0,0 @@
-nc1.stores=/home/nicnic/Work/Asterix/tests/tpch/nc1data
-nc2.stores=/home/nicnic/Work/Asterix/tests/tpch/nc2data
-nc3.stores=/home/nicnic/Work/Asterix/tests/tpch/nc3data
-nc4.stores=/home/nicnic/Work/Asterix/tests/tpch/nc4data
diff --git a/asterix-app/src/main/resources/test.properties b/asterix-app/src/main/resources/test.properties
index 01a593b..4947dbf 100755
--- a/asterix-app/src/main/resources/test.properties
+++ b/asterix-app/src/main/resources/test.properties
@@ -1,5 +1,5 @@
MetadataNode=nc1
NewUniverse=true
-nc1.stores=/tmp/nc1data/
-nc2.stores=/tmp/nc2data/
+nc1.stores=nc1data
+nc2.stores=nc2data
OutputDir=/tmp/asterix_output/
diff --git a/asterix-app/src/main/resources/testnc1.properties b/asterix-app/src/main/resources/testnc1.properties
deleted file mode 100755
index c0ad3de..0000000
--- a/asterix-app/src/main/resources/testnc1.properties
+++ /dev/null
@@ -1 +0,0 @@
-nc1.stores=nc1data
diff --git a/asterix-app/src/test/java/edu/uci/ics/asterix/test/metadata/MetadataTest.java b/asterix-app/src/test/java/edu/uci/ics/asterix/test/metadata/MetadataTest.java
index 3505b23..7423cb9 100644
--- a/asterix-app/src/test/java/edu/uci/ics/asterix/test/metadata/MetadataTest.java
+++ b/asterix-app/src/test/java/edu/uci/ics/asterix/test/metadata/MetadataTest.java
@@ -58,6 +58,16 @@
List<CompilationUnit> cUnits = tcCtx.getTestCase().getCompilationUnit();
for (CompilationUnit cUnit : cUnits) {
File testFile = tcCtx.getTestFile(cUnit);
+
+ /*****************
+ if (!testFile.getAbsolutePath().contains("meta09.aql")) {
+ System.out.println(testFile.getAbsolutePath());
+ continue;
+ }
+ System.out.println(testFile.getAbsolutePath());
+ *****************/
+
+
File expectedResultFile = tcCtx.getExpectedResultFile(cUnit);
File actualFile = new File(PATH_ACTUAL + File.separator
+ tcCtx.getTestCase().getFilePath().replace(File.separator, "_") + "_" + cUnit.getName() + ".adm");
diff --git a/asterix-app/src/test/java/edu/uci/ics/asterix/test/runtime/ExecutionTest.java b/asterix-app/src/test/java/edu/uci/ics/asterix/test/runtime/ExecutionTest.java
index c705ea6..4e4d78b 100644
--- a/asterix-app/src/test/java/edu/uci/ics/asterix/test/runtime/ExecutionTest.java
+++ b/asterix-app/src/test/java/edu/uci/ics/asterix/test/runtime/ExecutionTest.java
@@ -105,6 +105,14 @@
List<CompilationUnit> cUnits = tcCtx.getTestCase().getCompilationUnit();
for (CompilationUnit cUnit : cUnits) {
File testFile = tcCtx.getTestFile(cUnit);
+
+ /*************** to avoid/run failure cases ****************
+ if (testFile.getAbsolutePath().contains("queries/failure")) {
+ continue;
+ //System.out.println(testFile.getAbsolutePath());
+ }
+ ************************************************************/
+
File expectedResultFile = tcCtx.getExpectedResultFile(cUnit);
File actualFile = new File(PATH_ACTUAL + File.separator
+ tcCtx.getTestCase().getFilePath().replace(File.separator, "_") + "_" + cUnit.getName() + ".adm");
diff --git a/asterix-app/src/test/resources/metadata-transactions/init-state-queries.txt b/asterix-app/src/test/resources/metadata-transactions/init-state-queries.txt
index 5359017..c9ef6ee 100644
--- a/asterix-app/src/test/resources/metadata-transactions/init-state-queries.txt
+++ b/asterix-app/src/test/resources/metadata-transactions/init-state-queries.txt
@@ -1 +1 @@
-customers_orders.aql
\ No newline at end of file
+customers_orders.aql
diff --git a/asterix-app/src/test/resources/optimizerts/ignore.txt b/asterix-app/src/test/resources/optimizerts/ignore.txt
index 5e09322..babe741 100644
--- a/asterix-app/src/test/resources/optimizerts/ignore.txt
+++ b/asterix-app/src/test/resources/optimizerts/ignore.txt
@@ -1,2 +1 @@
-distinct_aggregate.aql
-cell-aggregation-with-filtering.aql
\ No newline at end of file
+distinct_aggregate.aql
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/optimizerts/queries/btree-index/btree-primary-27.aql b/asterix-app/src/test/resources/optimizerts/queries/btree-index/btree-primary-27.aql
new file mode 100644
index 0000000..e9ccb87
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/queries/btree-index/btree-primary-27.aql
@@ -0,0 +1,24 @@
+/*
+ * Description : BTree Index verification test
+ * : This test is intended to verify that the primary BTree index is used
+ * : in the optimized query plan.
+ * Expected Result : Success
+ * Date : 5th Feb 2013
+ */
+
+drop dataverse test if exists;
+create dataverse test;
+use dataverse test;
+
+write output to nc1:"rttest/btree-index_btree-primary-27.adm";
+
+create type TestType as open {
+ fname : string,
+ lname : string
+}
+
+create dataset testdst(TestType) primary key fname,lname;
+
+for $emp in dataset('testdst')
+where $emp.fname > "Craig" and $emp.lname > "Kevin" and $emp.fname <= "Mary" and $emp.lname < "Tomes"
+return $emp
diff --git a/asterix-app/src/test/resources/optimizerts/queries/btree-index/btree-primary-28.aql b/asterix-app/src/test/resources/optimizerts/queries/btree-index/btree-primary-28.aql
new file mode 100644
index 0000000..5e7b4e3
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/queries/btree-index/btree-primary-28.aql
@@ -0,0 +1,24 @@
+/*
+ * Description : BTree Index verification test
+ * : This test is intended to verify that the primary BTree index is used
+ * : in the optimized query plan.
+ * Expected Result : Success
+ * Date : 5th Feb 2013
+ */
+
+drop dataverse test if exists;
+create dataverse test;
+use dataverse test;
+
+write output to nc1:"rttest/btree-index_btree-primary-28.adm";
+
+create type TestType as open {
+ fname : string,
+ lname : string
+}
+
+create dataset testdst(TestType) primary key fname,lname;
+
+for $emp in dataset('testdst')
+where $emp.fname > "Craig" and $emp.lname > "Kevin" and $emp.fname < "Mary" and $emp.lname <= "Tomes"
+return $emp
diff --git a/asterix-app/src/test/resources/optimizerts/queries/btree-index/btree-primary-29.aql b/asterix-app/src/test/resources/optimizerts/queries/btree-index/btree-primary-29.aql
new file mode 100644
index 0000000..c7d4753
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/queries/btree-index/btree-primary-29.aql
@@ -0,0 +1,24 @@
+/*
+ * Description : BTree Index verification test
+ * : This test is intended to verify that the primary BTree index is used
+ * : in the optimized query plan.
+ * Expected Result : Success
+ * Date : 5th Feb 2013
+ */
+
+drop dataverse test if exists;
+create dataverse test;
+use dataverse test;
+
+write output to nc1:"rttest/btree-index_btree-primary-29.adm";
+
+create type TestType as open {
+ fname : string,
+ lname : string
+}
+
+create dataset testdst(TestType) primary key fname,lname;
+
+for $emp in dataset('testdst')
+where $emp.fname > "Craig" and $emp.lname >= "Kevin" and $emp.fname < "Mary" and $emp.lname < "Tomes"
+return $emp
diff --git a/asterix-app/src/test/resources/optimizerts/queries/btree-index/btree-primary-30.aql b/asterix-app/src/test/resources/optimizerts/queries/btree-index/btree-primary-30.aql
new file mode 100644
index 0000000..a9a2573
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/queries/btree-index/btree-primary-30.aql
@@ -0,0 +1,24 @@
+/*
+ * Description : BTree Index verification test
+ * : This test is intended to verify that the primary BTree index is used
+ * : in the optimized query plan.
+ * Expected Result : Success
+ * Date : 5th Feb 2013
+ */
+
+drop dataverse test if exists;
+create dataverse test;
+use dataverse test;
+
+write output to nc1:"rttest/btree-index_btree-primary-30.adm";
+
+create type TestType as open {
+ fname : string,
+ lname : string
+}
+
+create dataset testdst(TestType) primary key fname,lname;
+
+for $emp in dataset('testdst')
+where $emp.fname >= "Craig" and $emp.lname > "Kevin" and $emp.fname < "Mary" and $emp.lname < "Tomes"
+return $emp
diff --git a/asterix-app/src/test/resources/optimizerts/queries/btree-index/btree-secondary-59.aql b/asterix-app/src/test/resources/optimizerts/queries/btree-index/btree-secondary-59.aql
new file mode 100644
index 0000000..2b0a300
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/queries/btree-index/btree-secondary-59.aql
@@ -0,0 +1,28 @@
+/*
+ * Description : BTree Index verification test
+ * : This test is intended to verify that the secondary BTree index is used
+ * : in the optimized query plan.
+ * Expected Result : Success
+ * Date : 13th Aug 2012
+ */
+
+drop dataverse test if exists;
+create dataverse test;
+use dataverse test;
+
+write output to nc1:"rttest/btree-index_btree-secondary-49.adm";
+
+create type TestType as open {
+ id : int32,
+ fname : string,
+ lname : string
+}
+
+// create internal dataset
+create dataset testdst(TestType) primary key id;
+
+create index sec_Idx on testdst(fname,lname);
+
+for $emp in dataset('testdst')
+where $emp.fname > "Craig" and $emp.lname > "Kevin" and $emp.fname <= "Mary" and $emp.lname < "Tomes"
+return $emp
diff --git a/asterix-app/src/test/resources/optimizerts/queries/cell-aggregation-with-filtering.aql b/asterix-app/src/test/resources/optimizerts/queries/cell-aggregation-with-filtering.aql
deleted file mode 100644
index c883645..0000000
--- a/asterix-app/src/test/resources/optimizerts/queries/cell-aggregation-with-filtering.aql
+++ /dev/null
@@ -1,37 +0,0 @@
-drop dataverse twitter if exists;
-create dataverse twitter;
-use dataverse twitter;
-
-create type Tweet as closed {
- id: int32,
- tweetid: int64,
- loc: point,
- time: datetime,
- text: string
-}
-
-create nodegroup group1 if exists on nc1, nc2;
-
-create dataset TwitterData(Tweet)
- primary key id on group1;
-
-
-load dataset TwitterData
-using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
-(("path"="nc1://data/twitter/extrasmalltweets.txt"),("format"="adm")) pre-sorted;
-
-create index rtree_index_point on TwitterData(loc) type rtree;
-
-write output to nc1:"rttest/spatial_cell-aggregation-with-filtering.adm";
-
-for $t in dataset('TwitterData')
-let $region := polygon("
- 33.80503407287759,-126.41235263538363
- 44.9090773200516,-126.41235263538363
- 44.9090773200516,-87.65258701038363
- 33.80503407287759,-87.65258701038363")
-
-where spatial-intersect($t.loc, $region)
-group by $c := spatial-cell($t.loc, create-point(24.5,-125.5), 3.0, 3.0) with $t
-order by count($t)
-return { "cell": $c, "count": count($t) }
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index-join/secondary-equi-join-multiindex.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index-join/secondary-equi-join-multiindex.plan
index 947404f..7411774 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index-join/secondary-equi-join-multiindex.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index-join/secondary-equi-join-multiindex.plan
@@ -2,21 +2,22 @@
-- RANDOM_MERGE_EXCHANGE |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ASSIGN |PARTITIONED|
- -- STREAM_PROJECT |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- BTREE_SEARCH |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- STABLE_SORT [$$29(ASC)] |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- STREAM_PROJECT |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- BTREE_SEARCH |PARTITIONED|
- -- BROADCAST_EXCHANGE |PARTITIONED|
- -- STREAM_PROJECT |PARTITIONED|
- -- ASSIGN |PARTITIONED|
- -- STREAM_PROJECT |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- BTREE_SEARCH |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- ASSIGN |PARTITIONED|
- -- EMPTY_TUPLE_SOURCE |PARTITIONED|
+ -- STREAM_SELECT |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- STABLE_SORT [$$29(ASC)] |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- BROADCAST_EXCHANGE |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ASSIGN |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- ASSIGN |PARTITIONED|
+ -- EMPTY_TUPLE_SOURCE |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index-join/secondary-equi-join_01.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index-join/secondary-equi-join_01.plan
index 7e0c315..fb53c5b 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index-join/secondary-equi-join_01.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index-join/secondary-equi-join_01.plan
@@ -3,18 +3,20 @@
-- STREAM_PROJECT |PARTITIONED|
-- ASSIGN |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- BTREE_SEARCH |PARTITIONED|
+ -- STREAM_SELECT |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
-- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- STABLE_SORT [$$13(ASC)] |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
-- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- STREAM_PROJECT |PARTITIONED|
+ -- STABLE_SORT [$$13(ASC)] |PARTITIONED|
-- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- BTREE_SEARCH |PARTITIONED|
- -- BROADCAST_EXCHANGE |PARTITIONED|
- -- ASSIGN |PARTITIONED|
- -- STREAM_PROJECT |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- DATASOURCE_SCAN |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- BROADCAST_EXCHANGE |PARTITIONED|
+ -- ASSIGN |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
-- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- EMPTY_TUPLE_SOURCE |PARTITIONED|
+ -- DATASOURCE_SCAN |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- EMPTY_TUPLE_SOURCE |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index-join/secondary-equi-join_02.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index-join/secondary-equi-join_02.plan
index 7e0c315..fb53c5b 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index-join/secondary-equi-join_02.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index-join/secondary-equi-join_02.plan
@@ -3,18 +3,20 @@
-- STREAM_PROJECT |PARTITIONED|
-- ASSIGN |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- BTREE_SEARCH |PARTITIONED|
+ -- STREAM_SELECT |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
-- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- STABLE_SORT [$$13(ASC)] |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
-- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- STREAM_PROJECT |PARTITIONED|
+ -- STABLE_SORT [$$13(ASC)] |PARTITIONED|
-- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- BTREE_SEARCH |PARTITIONED|
- -- BROADCAST_EXCHANGE |PARTITIONED|
- -- ASSIGN |PARTITIONED|
- -- STREAM_PROJECT |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- DATASOURCE_SCAN |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- BROADCAST_EXCHANGE |PARTITIONED|
+ -- ASSIGN |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
-- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- EMPTY_TUPLE_SOURCE |PARTITIONED|
+ -- DATASOURCE_SCAN |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- EMPTY_TUPLE_SOURCE |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index-join/secondary-equi-join_03.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index-join/secondary-equi-join_03.plan
index 7e0c315..fb53c5b 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index-join/secondary-equi-join_03.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index-join/secondary-equi-join_03.plan
@@ -3,18 +3,20 @@
-- STREAM_PROJECT |PARTITIONED|
-- ASSIGN |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- BTREE_SEARCH |PARTITIONED|
+ -- STREAM_SELECT |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
-- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- STABLE_SORT [$$13(ASC)] |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
-- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- STREAM_PROJECT |PARTITIONED|
+ -- STABLE_SORT [$$13(ASC)] |PARTITIONED|
-- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- BTREE_SEARCH |PARTITIONED|
- -- BROADCAST_EXCHANGE |PARTITIONED|
- -- ASSIGN |PARTITIONED|
- -- STREAM_PROJECT |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- DATASOURCE_SCAN |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- BROADCAST_EXCHANGE |PARTITIONED|
+ -- ASSIGN |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
-- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- EMPTY_TUPLE_SOURCE |PARTITIONED|
+ -- DATASOURCE_SCAN |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- EMPTY_TUPLE_SOURCE |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-primary-27.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-primary-27.plan
new file mode 100644
index 0000000..340b680
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-primary-27.plan
@@ -0,0 +1,10 @@
+-- SINK_WRITE |PARTITIONED|
+ -- RANDOM_MERGE_EXCHANGE |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- STREAM_SELECT |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- ASSIGN |PARTITIONED|
+ -- EMPTY_TUPLE_SOURCE |PARTITIONED|
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-primary-28.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-primary-28.plan
new file mode 100644
index 0000000..340b680
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-primary-28.plan
@@ -0,0 +1,10 @@
+-- SINK_WRITE |PARTITIONED|
+ -- RANDOM_MERGE_EXCHANGE |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- STREAM_SELECT |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- ASSIGN |PARTITIONED|
+ -- EMPTY_TUPLE_SOURCE |PARTITIONED|
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-primary-29.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-primary-29.plan
new file mode 100644
index 0000000..340b680
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-primary-29.plan
@@ -0,0 +1,10 @@
+-- SINK_WRITE |PARTITIONED|
+ -- RANDOM_MERGE_EXCHANGE |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- STREAM_SELECT |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- ASSIGN |PARTITIONED|
+ -- EMPTY_TUPLE_SOURCE |PARTITIONED|
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-primary-30.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-primary-30.plan
new file mode 100644
index 0000000..340b680
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-primary-30.plan
@@ -0,0 +1,10 @@
+-- SINK_WRITE |PARTITIONED|
+ -- RANDOM_MERGE_EXCHANGE |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- STREAM_SELECT |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- ASSIGN |PARTITIONED|
+ -- EMPTY_TUPLE_SOURCE |PARTITIONED|
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-38.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-38.plan
index 7c1c1a3..4f254dd 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-38.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-38.plan
@@ -1,14 +1,15 @@
-- SINK_WRITE |PARTITIONED|
-- RANDOM_MERGE_EXCHANGE |PARTITIONED|
- -- STREAM_PROJECT |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- BTREE_SEARCH |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- STABLE_SORT [$$16(ASC)] |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- STREAM_PROJECT |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- BTREE_SEARCH |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- ASSIGN |PARTITIONED|
- -- EMPTY_TUPLE_SOURCE |PARTITIONED|
+ -- STREAM_SELECT |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- STABLE_SORT [$$16(ASC)] |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- ASSIGN |PARTITIONED|
+ -- EMPTY_TUPLE_SOURCE |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-45.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-45.plan
index 35c7ebb..616b2a2 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-45.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-45.plan
@@ -1,14 +1,17 @@
-- SINK_WRITE |PARTITIONED|
-- RANDOM_MERGE_EXCHANGE |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- BTREE_SEARCH |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- STABLE_SORT [$$20(ASC)] |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- STREAM_PROJECT |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- BTREE_SEARCH |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- ASSIGN |PARTITIONED|
- -- EMPTY_TUPLE_SOURCE |PARTITIONED|
+ -- STREAM_SELECT |PARTITIONED|
+ -- ASSIGN |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- STABLE_SORT [$$20(ASC)] |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- ASSIGN |PARTITIONED|
+ -- EMPTY_TUPLE_SOURCE |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-46.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-46.plan
index 35c7ebb..616b2a2 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-46.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-46.plan
@@ -1,14 +1,17 @@
-- SINK_WRITE |PARTITIONED|
-- RANDOM_MERGE_EXCHANGE |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- BTREE_SEARCH |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- STABLE_SORT [$$20(ASC)] |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- STREAM_PROJECT |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- BTREE_SEARCH |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- ASSIGN |PARTITIONED|
- -- EMPTY_TUPLE_SOURCE |PARTITIONED|
+ -- STREAM_SELECT |PARTITIONED|
+ -- ASSIGN |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- STABLE_SORT [$$20(ASC)] |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- ASSIGN |PARTITIONED|
+ -- EMPTY_TUPLE_SOURCE |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-49.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-49.plan
index 35c7ebb..616b2a2 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-49.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-49.plan
@@ -1,14 +1,17 @@
-- SINK_WRITE |PARTITIONED|
-- RANDOM_MERGE_EXCHANGE |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- BTREE_SEARCH |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- STABLE_SORT [$$20(ASC)] |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- STREAM_PROJECT |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- BTREE_SEARCH |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- ASSIGN |PARTITIONED|
- -- EMPTY_TUPLE_SOURCE |PARTITIONED|
+ -- STREAM_SELECT |PARTITIONED|
+ -- ASSIGN |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- STABLE_SORT [$$20(ASC)] |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- ASSIGN |PARTITIONED|
+ -- EMPTY_TUPLE_SOURCE |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-50.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-50.plan
index 35c7ebb..616b2a2 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-50.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-50.plan
@@ -1,14 +1,17 @@
-- SINK_WRITE |PARTITIONED|
-- RANDOM_MERGE_EXCHANGE |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- BTREE_SEARCH |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- STABLE_SORT [$$20(ASC)] |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- STREAM_PROJECT |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- BTREE_SEARCH |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- ASSIGN |PARTITIONED|
- -- EMPTY_TUPLE_SOURCE |PARTITIONED|
+ -- STREAM_SELECT |PARTITIONED|
+ -- ASSIGN |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- STABLE_SORT [$$20(ASC)] |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- ASSIGN |PARTITIONED|
+ -- EMPTY_TUPLE_SOURCE |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-51.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-51.plan
index 35c7ebb..616b2a2 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-51.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-51.plan
@@ -1,14 +1,17 @@
-- SINK_WRITE |PARTITIONED|
-- RANDOM_MERGE_EXCHANGE |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- BTREE_SEARCH |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- STABLE_SORT [$$20(ASC)] |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- STREAM_PROJECT |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- BTREE_SEARCH |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- ASSIGN |PARTITIONED|
- -- EMPTY_TUPLE_SOURCE |PARTITIONED|
+ -- STREAM_SELECT |PARTITIONED|
+ -- ASSIGN |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- STABLE_SORT [$$20(ASC)] |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- ASSIGN |PARTITIONED|
+ -- EMPTY_TUPLE_SOURCE |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-52.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-52.plan
index e6e6ddf..1445f65 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-52.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-52.plan
@@ -1,14 +1,15 @@
-- SINK_WRITE |PARTITIONED|
-- RANDOM_MERGE_EXCHANGE |PARTITIONED|
- -- STREAM_PROJECT |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- BTREE_SEARCH |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- STABLE_SORT [$$8(ASC)] |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- STREAM_PROJECT |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- BTREE_SEARCH |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- ASSIGN |PARTITIONED|
- -- EMPTY_TUPLE_SOURCE |PARTITIONED|
+ -- STREAM_SELECT |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- STABLE_SORT [$$8(ASC)] |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- ASSIGN |PARTITIONED|
+ -- EMPTY_TUPLE_SOURCE |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-53.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-53.plan
index e6e6ddf..1445f65 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-53.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-53.plan
@@ -1,14 +1,15 @@
-- SINK_WRITE |PARTITIONED|
-- RANDOM_MERGE_EXCHANGE |PARTITIONED|
- -- STREAM_PROJECT |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- BTREE_SEARCH |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- STABLE_SORT [$$8(ASC)] |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- STREAM_PROJECT |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- BTREE_SEARCH |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- ASSIGN |PARTITIONED|
- -- EMPTY_TUPLE_SOURCE |PARTITIONED|
+ -- STREAM_SELECT |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- STABLE_SORT [$$8(ASC)] |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- ASSIGN |PARTITIONED|
+ -- EMPTY_TUPLE_SOURCE |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-54.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-54.plan
index e6e6ddf..1445f65 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-54.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-54.plan
@@ -1,14 +1,15 @@
-- SINK_WRITE |PARTITIONED|
-- RANDOM_MERGE_EXCHANGE |PARTITIONED|
- -- STREAM_PROJECT |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- BTREE_SEARCH |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- STABLE_SORT [$$8(ASC)] |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- STREAM_PROJECT |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- BTREE_SEARCH |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- ASSIGN |PARTITIONED|
- -- EMPTY_TUPLE_SOURCE |PARTITIONED|
+ -- STREAM_SELECT |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- STABLE_SORT [$$8(ASC)] |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- ASSIGN |PARTITIONED|
+ -- EMPTY_TUPLE_SOURCE |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-55.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-55.plan
index e6e6ddf..1445f65 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-55.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-55.plan
@@ -1,14 +1,15 @@
-- SINK_WRITE |PARTITIONED|
-- RANDOM_MERGE_EXCHANGE |PARTITIONED|
- -- STREAM_PROJECT |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- BTREE_SEARCH |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- STABLE_SORT [$$8(ASC)] |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- STREAM_PROJECT |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- BTREE_SEARCH |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- ASSIGN |PARTITIONED|
- -- EMPTY_TUPLE_SOURCE |PARTITIONED|
+ -- STREAM_SELECT |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- STABLE_SORT [$$8(ASC)] |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- ASSIGN |PARTITIONED|
+ -- EMPTY_TUPLE_SOURCE |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-56.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-56.plan
index 16e6d6a..d57f0c4 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-56.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-56.plan
@@ -1,14 +1,17 @@
-- SINK_WRITE |PARTITIONED|
-- RANDOM_MERGE_EXCHANGE |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- BTREE_SEARCH |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- STABLE_SORT [$$12(ASC)] |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- STREAM_PROJECT |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- BTREE_SEARCH |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- ASSIGN |PARTITIONED|
- -- EMPTY_TUPLE_SOURCE |PARTITIONED|
+ -- STREAM_SELECT |PARTITIONED|
+ -- ASSIGN |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- STABLE_SORT [$$12(ASC)] |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- ASSIGN |PARTITIONED|
+ -- EMPTY_TUPLE_SOURCE |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-57.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-57.plan
index 16e6d6a..d57f0c4 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-57.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-57.plan
@@ -1,14 +1,17 @@
-- SINK_WRITE |PARTITIONED|
-- RANDOM_MERGE_EXCHANGE |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- BTREE_SEARCH |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- STABLE_SORT [$$12(ASC)] |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- STREAM_PROJECT |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- BTREE_SEARCH |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- ASSIGN |PARTITIONED|
- -- EMPTY_TUPLE_SOURCE |PARTITIONED|
+ -- STREAM_SELECT |PARTITIONED|
+ -- ASSIGN |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- STABLE_SORT [$$12(ASC)] |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- ASSIGN |PARTITIONED|
+ -- EMPTY_TUPLE_SOURCE |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-58.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-58.plan
index edeed53..761c8a9 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-58.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-58.plan
@@ -1,14 +1,15 @@
-- SINK_WRITE |PARTITIONED|
-- RANDOM_MERGE_EXCHANGE |PARTITIONED|
- -- STREAM_PROJECT |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- BTREE_SEARCH |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- STABLE_SORT [$$9(ASC)] |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- STREAM_PROJECT |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- BTREE_SEARCH |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- ASSIGN |PARTITIONED|
- -- EMPTY_TUPLE_SOURCE |PARTITIONED|
+ -- STREAM_SELECT |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- STABLE_SORT [$$9(ASC)] |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- ASSIGN |PARTITIONED|
+ -- EMPTY_TUPLE_SOURCE |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-59.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-59.plan
new file mode 100644
index 0000000..616b2a2
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-59.plan
@@ -0,0 +1,17 @@
+-- SINK_WRITE |PARTITIONED|
+ -- RANDOM_MERGE_EXCHANGE |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- STREAM_SELECT |PARTITIONED|
+ -- ASSIGN |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- STABLE_SORT [$$20(ASC)] |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- ASSIGN |PARTITIONED|
+ -- EMPTY_TUPLE_SOURCE |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/orders-composite-index-search.plan b/asterix-app/src/test/resources/optimizerts/results/orders-composite-index-search.plan
index 327253a..8340c89 100644
--- a/asterix-app/src/test/resources/optimizerts/results/orders-composite-index-search.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/orders-composite-index-search.plan
@@ -2,15 +2,18 @@
-- RANDOM_MERGE_EXCHANGE |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ASSIGN |PARTITIONED|
- -- STREAM_PROJECT |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- BTREE_SEARCH |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- STABLE_SORT [$$21(ASC)] |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- STREAM_PROJECT |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- BTREE_SEARCH |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- ASSIGN |PARTITIONED|
- -- EMPTY_TUPLE_SOURCE |PARTITIONED|
+ -- STREAM_SELECT |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ASSIGN |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- STABLE_SORT [$$21(ASC)] |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- ASSIGN |PARTITIONED|
+ -- EMPTY_TUPLE_SOURCE |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/orders-index-search-open.plan b/asterix-app/src/test/resources/optimizerts/results/orders-index-search-open.plan
index 3a6ffad..bba6dbc 100644
--- a/asterix-app/src/test/resources/optimizerts/results/orders-index-search-open.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/orders-index-search-open.plan
@@ -2,15 +2,18 @@
-- RANDOM_MERGE_EXCHANGE |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ASSIGN |PARTITIONED|
- -- STREAM_PROJECT |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- BTREE_SEARCH |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- STABLE_SORT [$$13(ASC)] |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- STREAM_PROJECT |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- BTREE_SEARCH |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- ASSIGN |PARTITIONED|
- -- EMPTY_TUPLE_SOURCE |PARTITIONED|
+ -- STREAM_SELECT |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ASSIGN |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- STABLE_SORT [$$13(ASC)] |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- ASSIGN |PARTITIONED|
+ -- EMPTY_TUPLE_SOURCE |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/orders-index-search.plan b/asterix-app/src/test/resources/optimizerts/results/orders-index-search.plan
index 3a6ffad..bba6dbc 100644
--- a/asterix-app/src/test/resources/optimizerts/results/orders-index-search.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/orders-index-search.plan
@@ -2,15 +2,18 @@
-- RANDOM_MERGE_EXCHANGE |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ASSIGN |PARTITIONED|
- -- STREAM_PROJECT |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- BTREE_SEARCH |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- STABLE_SORT [$$13(ASC)] |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- STREAM_PROJECT |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- BTREE_SEARCH |PARTITIONED|
- -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
- -- ASSIGN |PARTITIONED|
- -- EMPTY_TUPLE_SOURCE |PARTITIONED|
+ -- STREAM_SELECT |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ASSIGN |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- STABLE_SORT [$$13(ASC)] |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- STREAM_PROJECT |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- BTREE_SEARCH |PARTITIONED|
+ -- ONE_TO_ONE_EXCHANGE |PARTITIONED|
+ -- ASSIGN |PARTITIONED|
+ -- EMPTY_TUPLE_SOURCE |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/scan-delete-all.plan b/asterix-app/src/test/resources/optimizerts/results/scan-delete-all.plan
index 395fec7..e969e5d 100644
--- a/asterix-app/src/test/resources/optimizerts/results/scan-delete-all.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/scan-delete-all.plan
@@ -1,4 +1,4 @@
--- SINK |PARTITIONED|
+-- COMMIT |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ONE_TO_ONE_EXCHANGE |PARTITIONED|
-- INSERT_DELETE |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/scan-delete-rtree-secondary-index.plan b/asterix-app/src/test/resources/optimizerts/results/scan-delete-rtree-secondary-index.plan
index 79daefd..bf8978b 100644
--- a/asterix-app/src/test/resources/optimizerts/results/scan-delete-rtree-secondary-index.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/scan-delete-rtree-secondary-index.plan
@@ -1,4 +1,4 @@
--- SINK |PARTITIONED|
+-- COMMIT |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ONE_TO_ONE_EXCHANGE |PARTITIONED|
-- INDEX_INSERT_DELETE |PARTITIONED|
@@ -22,4 +22,4 @@
-- BTREE_SEARCH |PARTITIONED|
-- ONE_TO_ONE_EXCHANGE |PARTITIONED|
-- ASSIGN |PARTITIONED|
- -- EMPTY_TUPLE_SOURCE |PARTITIONED|
+ -- EMPTY_TUPLE_SOURCE |PARTITIONED|
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/optimizerts/results/scan-delete.plan b/asterix-app/src/test/resources/optimizerts/results/scan-delete.plan
index 0e7cf78..0608f69 100644
--- a/asterix-app/src/test/resources/optimizerts/results/scan-delete.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/scan-delete.plan
@@ -1,4 +1,4 @@
--- SINK |PARTITIONED|
+-- COMMIT |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ONE_TO_ONE_EXCHANGE |PARTITIONED|
-- INSERT_DELETE |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/scan-insert-secondary-index.plan b/asterix-app/src/test/resources/optimizerts/results/scan-insert-secondary-index.plan
index 650f512..e6cf237 100644
--- a/asterix-app/src/test/resources/optimizerts/results/scan-insert-secondary-index.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/scan-insert-secondary-index.plan
@@ -1,4 +1,4 @@
--- SINK |PARTITIONED|
+-- COMMIT |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ONE_TO_ONE_EXCHANGE |PARTITIONED|
-- INDEX_INSERT_DELETE |PARTITIONED|
diff --git a/asterix-app/src/test/resources/optimizerts/results/scan-insert.plan b/asterix-app/src/test/resources/optimizerts/results/scan-insert.plan
index 5cfcdf3..0b756d9 100644
--- a/asterix-app/src/test/resources/optimizerts/results/scan-insert.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/scan-insert.plan
@@ -1,4 +1,4 @@
--- SINK |PARTITIONED|
+-- COMMIT |PARTITIONED|
-- STREAM_PROJECT |PARTITIONED|
-- ONE_TO_ONE_EXCHANGE |PARTITIONED|
-- INSERT_DELETE |PARTITIONED|
diff --git a/asterix-app/src/test/resources/runtimets/ignore.txt b/asterix-app/src/test/resources/runtimets/ignore.txt
new file mode 100644
index 0000000..6722cdb
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/ignore.txt
@@ -0,0 +1,44 @@
+custord/join_q_04.aql
+scan/spatial_types_02.aql
+scan/temp_types_02.aql
+fuzzyjoin/dblp-splits-3_1.aql
+fuzzyjoin/events-users-aqlplus_1.aql
+subset-collection/04.aql
+custord/freq-clerk.aql
+custord/denorm-cust-order_01.aql
+custord/denorm-cust-order_03.aql
+custord/co.aql
+comparison/numeric-comparison_01.aql
+dapd/q3.aql
+failure/q1_pricing_summary_report_failure.aql
+dml/load-from-hdfs.aql
+open-closed/open-closed-15
+open-closed/open-closed-16
+open-closed/open-closed-17
+open-closed/open-closed-18
+open-closed/open-closed-19
+open-closed/open-closed-20
+open-closed/open-closed-21
+open-closed/open-closed-22
+open-closed/open-closed-28
+open-closed/open-closed-30
+open-closed/heterog-list02
+open-closed/heterog-list03
+open-closed/c2c
+quantifiers/somesat_03.aql
+quantifiers/somesat_04.aql
+quantifiers/somesat_05.aql
+quantifiers/everysat_02.aql
+quantifiers/everysat_03.aql
+flwor
+string/startwith03.aql
+aggregate/droptype.aql
+failure/delete-rtree.aql
+failure/delete.aql
+failure/insert-rtree.aql
+failure/insert.aql
+failure/q1_pricing_summary_report_failure.aql
+failure/verify_delete-rtree.aql
+failure/verify_delete.aql
+failure/verify_insert-rtree.aql
+failure/verify_insert.aql
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/queries/failure/delete-rtree.aql b/asterix-app/src/test/resources/runtimets/queries/failure/delete-rtree.aql
index f883454..85616e4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/failure/delete-rtree.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/failure/delete-rtree.aql
@@ -14,14 +14,17 @@
create dataset MyData(MyRecord)
primary key id;
+create index rtree_index on MyData(loc) type rtree;
+
load dataset MyData
using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
(("path"="nc1://data/twitter/smalltweets.txt"),("format"="adm")) pre-sorted;
-delete $l from dataset MyData where $l.id>=50 die after 1500;
+delete $l from dataset MyData where spatial-intersect($l.loc, create-rectangle(create-point(0.0,-100.0), create-point(55.5,50.0))) die after 1000;
write output to nc1:"rttest/failure_delete-rtree.adm";
for $o in dataset('MyData')
+where spatial-intersect($o.loc, create-rectangle(create-point(0.0,-100.0), create-point(55.5,50.0)))
order by $o.id
return {"id":$o.id}
diff --git a/asterix-app/src/test/resources/runtimets/queries/failure/delete.aql b/asterix-app/src/test/resources/runtimets/queries/failure/delete.aql
index 7bf558b..125fd99 100644
--- a/asterix-app/src/test/resources/runtimets/queries/failure/delete.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/failure/delete.aql
@@ -29,7 +29,7 @@
using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
-delete $l from dataset LineItem where $l.l_orderkey>=10 die after 1500;
+delete $l from dataset LineItem where $l.l_orderkey>=10 die after 1000;
write output to nc1:"rttest/failure_delete.adm";
for $c in dataset('LineItem')
diff --git a/asterix-app/src/test/resources/runtimets/queries/failure/verify_delete-rtree.aql b/asterix-app/src/test/resources/runtimets/queries/failure/verify_delete-rtree.aql
index 5678681..a8d7d37 100644
--- a/asterix-app/src/test/resources/runtimets/queries/failure/verify_delete-rtree.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/failure/verify_delete-rtree.aql
@@ -3,5 +3,6 @@
write output to nc1:"rttest/failure_verify_delete-rtree.adm";
for $o in dataset('MyData')
+where spatial-intersect($o.loc, create-rectangle(create-point(0.0,-100.0), create-point(55.5,50.0)))
order by $o.id
return {"id":$o.id}
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/btree-index-composite-key-mixed-intervals.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/btree-index-composite-key-mixed-intervals.aql
new file mode 100644
index 0000000..90d4cb9
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/btree-index-composite-key-mixed-intervals.aql
@@ -0,0 +1,37 @@
+/*
+ * Description : Test that BTree index is used in query plan
+ * : define the BTree index on a composite key (fname,lanme)
+ * : predicate => where $l.fname > "Julio" and $l.lname > "Mattocks" and
+ * $l.fname <= "Micco" and $l.lname < "Vangieson"
+ * Expected Result : Success
+ * Issue : Issue 174
+ * Date : 5th Feb, 2013
+ */
+
+drop dataverse test if exists;
+create dataverse test;
+use dataverse test;
+
+create type Emp as closed {
+id:int32,
+fname:string,
+lname:string,
+age:int32,
+dept:string
+}
+
+create dataset employee(Emp) primary key id;
+
+load dataset employee
+using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
+(("path"="nc1://data/names.adm"),("format"="delimited-text"),("delimiter"="|"));
+
+create index idx_employee_f_l_name on employee(fname,lname);
+
+write output to nc1:"rttest/index-selection_btree-index-composite-key-mixed-intervals.adm";
+
+for $l in dataset('employee')
+where $l.fname > "Julio" and $l.lname > "Mattocks" and $l.fname <= "Micco" and $l.lname < "Vangieson"
+order by $l.id
+return $l
+
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/fuzzy-inverted-index-ngram-contains.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/fuzzy-inverted-index-ngram-contains.aql
new file mode 100644
index 0000000..2667a07
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/fuzzy-inverted-index-ngram-contains.aql
@@ -0,0 +1,29 @@
+drop dataverse test if exists;
+create dataverse test;
+use dataverse test;
+
+create type DBLPType as closed {
+ id: int32,
+ dblpid: string,
+ title: string,
+ authors: string,
+ misc: string
+}
+
+create nodegroup group1 if not exists on nc1, nc2;
+
+create dataset DBLP(DBLPType)
+ primary key id on group1;
+
+load dataset DBLP
+using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
+(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+
+create index ngram_index on DBLP(title) type fuzzy ngram(3);
+
+write output to nc1:"rttest/index-selection_fuzzy-inverted-index-ngram-contains.adm";
+
+for $o in dataset('DBLP')
+where contains($o.title, "Multimedia")
+order by $o.id
+return $o
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/fuzzy-inverted-index-ngram-edit-distance-panic.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/fuzzy-inverted-index-ngram-edit-distance-panic.aql
new file mode 100644
index 0000000..82f3faa
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/fuzzy-inverted-index-ngram-edit-distance-panic.aql
@@ -0,0 +1,29 @@
+drop dataverse test if exists;
+create dataverse test;
+use dataverse test;
+
+create type DBLPType as closed {
+ id: int32,
+ dblpid: string,
+ title: string,
+ authors: string,
+ misc: string
+}
+
+create nodegroup group1 if not exists on nc1, nc2;
+
+create dataset DBLP(DBLPType)
+ primary key id on group1;
+
+load dataset DBLP
+using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
+(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+
+create index ngram_index on DBLP(authors) type fuzzy ngram(3);
+
+write output to nc1:"rttest/index-selection_fuzzy-inverted-index-ngram-edit-distance-panic.adm";
+
+for $o in dataset('DBLP')
+let $ed := edit-distance-check($o.authors, "Amihay Motro", 5)
+where $ed[0]
+return $o
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/fuzzy-inverted-index-ngram-edit-distance.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/fuzzy-inverted-index-ngram-edit-distance.aql
new file mode 100644
index 0000000..e905ee1
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/fuzzy-inverted-index-ngram-edit-distance.aql
@@ -0,0 +1,29 @@
+drop dataverse test if exists;
+create dataverse test;
+use dataverse test;
+
+create type DBLPType as closed {
+ id: int32,
+ dblpid: string,
+ title: string,
+ authors: string,
+ misc: string
+}
+
+create nodegroup group1 if not exists on nc1, nc2;
+
+create dataset DBLP(DBLPType)
+ primary key id on group1;
+
+load dataset DBLP
+using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
+(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+
+create index ngram_index on DBLP(authors) type fuzzy ngram(3);
+
+write output to nc1:"rttest/index-selection_fuzzy-inverted-index-ngram-edit-distance.adm";
+
+for $o in dataset('DBLP')
+let $ed := edit-distance-check($o.authors, "Amihay Motro", 1)
+where $ed[0]
+return $o
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/fuzzy-inverted-index-ngram-jaccard.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/fuzzy-inverted-index-ngram-jaccard.aql
new file mode 100644
index 0000000..a7832c1
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/fuzzy-inverted-index-ngram-jaccard.aql
@@ -0,0 +1,29 @@
+drop dataverse test if exists;
+create dataverse test;
+use dataverse test;
+
+create type DBLPType as closed {
+ id: int32,
+ dblpid: string,
+ title: string,
+ authors: string,
+ misc: string
+}
+
+create nodegroup group1 if not exists on nc1, nc2;
+
+create dataset DBLP(DBLPType)
+ primary key id on group1;
+
+load dataset DBLP
+using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
+(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+
+create index ngram_index on DBLP(title) type fuzzy ngram(3);
+
+write output to nc1:"rttest/index-selection_fuzzy-inverted-index-ngram-jaccard.adm";
+
+for $o in dataset('DBLP')
+let $jacc := similarity-jaccard-check(gram-tokens($o.title, 3, false), gram-tokens("Transactions for Cooperative Environments", 3, false), 0.5f)
+where $jacc[0]
+return $o
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/fuzzy-inverted-index-olist-edit-distance-panic.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/fuzzy-inverted-index-olist-edit-distance-panic.aql
new file mode 100644
index 0000000..553f65c
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/fuzzy-inverted-index-olist-edit-distance-panic.aql
@@ -0,0 +1,37 @@
+drop dataverse test if exists;
+create dataverse test;
+use dataverse test;
+
+create type AddressType as closed {
+ number: int32,
+ street: string,
+ city: string
+}
+
+create type CustomerType as closed {
+ cid: int32,
+ name: string,
+ age: int32?,
+ address: AddressType?,
+ interests: [string],
+ children: [ { name: string, age: int32? } ]
+}
+
+create nodegroup group1 if not exists on nc1;
+
+create dataset Customers(CustomerType)
+ primary key cid on group1;
+
+load dataset Customers
+using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
+(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+
+create index interests_index on Customers(interests) type fuzzy keyword;
+
+write output to nc1:"rttest/index-selection_fuzzy-inverted-index-olist-edit-distance-panic.adm";
+
+for $c in dataset('Customers')
+let $ed := edit-distance-check($c.interests, ["computers", "wine", "walking"], 3)
+where $ed[0]
+order by $c.cid
+return $c
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/fuzzy-inverted-index-olist-edit-distance.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/fuzzy-inverted-index-olist-edit-distance.aql
new file mode 100644
index 0000000..afa6e4e
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/fuzzy-inverted-index-olist-edit-distance.aql
@@ -0,0 +1,37 @@
+drop dataverse test if exists;
+create dataverse test;
+use dataverse test;
+
+create type AddressType as closed {
+ number: int32,
+ street: string,
+ city: string
+}
+
+create type CustomerType as closed {
+ cid: int32,
+ name: string,
+ age: int32?,
+ address: AddressType?,
+ interests: [string],
+ children: [ { name: string, age: int32? } ]
+}
+
+create nodegroup group1 if not exists on nc1;
+
+create dataset Customers(CustomerType)
+ primary key cid on group1;
+
+load dataset Customers
+using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
+(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+
+create index interests_index on Customers(interests) type fuzzy keyword;
+
+write output to nc1:"rttest/index-selection_fuzzy-inverted-index-olist-edit-distance.adm";
+
+for $c in dataset('Customers')
+let $ed := edit-distance-check($c.interests, ["computers", "wine", "walking"], 1)
+where $ed[0]
+order by $c.cid
+return $c
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/fuzzy-inverted-index-olist-jaccard.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/fuzzy-inverted-index-olist-jaccard.aql
new file mode 100644
index 0000000..9725739
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/fuzzy-inverted-index-olist-jaccard.aql
@@ -0,0 +1,36 @@
+drop dataverse test if exists;
+create dataverse test;
+use dataverse test;
+
+create type AddressType as closed {
+ number: int32,
+ street: string,
+ city: string
+}
+
+create type CustomerType as closed {
+ cid: int32,
+ name: string,
+ age: int32?,
+ address: AddressType?,
+ interests: [string],
+ children: [ { name: string, age: int32? } ]
+}
+
+create nodegroup group1 if not exists on nc1;
+
+create dataset Customers(CustomerType)
+ primary key cid on group1;
+
+load dataset Customers
+using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
+(("path"="nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
+
+create index interests_index on Customers(interests) type fuzzy keyword;
+
+write output to nc1:"rttest/index-selection_fuzzy-inverted-index-olist-jaccard.adm";
+
+for $c in dataset('Customers')
+let $jacc := similarity-jaccard-check($c.interests, ["databases", "computers", "wine"], 0.7f)
+where $jacc[0]
+return $c
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/fuzzy-inverted-index-ulist-jaccard.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/fuzzy-inverted-index-ulist-jaccard.aql
new file mode 100644
index 0000000..18b583a
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/fuzzy-inverted-index-ulist-jaccard.aql
@@ -0,0 +1,36 @@
+drop dataverse test if exists;
+create dataverse test;
+use dataverse test;
+
+create type AddressType as closed {
+ number: int32,
+ street: string,
+ city: string
+}
+
+create type CustomerType as closed {
+ cid: int32,
+ name: string,
+ age: int32?,
+ address: AddressType?,
+ interests: {{string}},
+ children: [ { name: string, age: int32? } ]
+}
+
+create nodegroup group1 if not exists on nc1;
+
+create dataset Customers(CustomerType)
+ primary key cid on group1;
+
+load dataset Customers
+using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
+(("path"="nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
+
+create index interests_index on Customers(interests) type fuzzy keyword;
+
+write output to nc1:"rttest/index-selection_fuzzy-inverted-index-ulist-jaccard.adm";
+
+for $c in dataset('Customers')
+let $jacc := similarity-jaccard-check($c.interests, ["databases", "computers", "wine"], 0.7f)
+where $jacc[0]
+return $c
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/fuzzy-inverted-index-word-contains.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/fuzzy-inverted-index-word-contains.aql
new file mode 100644
index 0000000..6667e76
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/fuzzy-inverted-index-word-contains.aql
@@ -0,0 +1,29 @@
+drop dataverse test if exists;
+create dataverse test;
+use dataverse test;
+
+create type DBLPType as closed {
+ id: int32,
+ dblpid: string,
+ title: string,
+ authors: string,
+ misc: string
+}
+
+create nodegroup group1 if not exists on nc1, nc2;
+
+create dataset DBLP(DBLPType)
+ primary key id on group1;
+
+load dataset DBLP
+using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
+(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+
+create index keyword_index on DBLP(title) type fuzzy keyword;
+
+write output to nc1:"rttest/index-selection_fuzzy-inverted-index-word-contains.adm";
+
+for $o in dataset('DBLP')
+where contains($o.title, "Multimedia")
+order by $o.id
+return $o
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/fuzzy-inverted-index-word-jaccard.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/fuzzy-inverted-index-word-jaccard.aql
new file mode 100644
index 0000000..7e978a8
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/fuzzy-inverted-index-word-jaccard.aql
@@ -0,0 +1,30 @@
+drop dataverse test if exists;
+create dataverse test;
+use dataverse test;
+
+create type DBLPType as closed {
+ id: int32,
+ dblpid: string,
+ title: string,
+ authors: string,
+ misc: string
+}
+
+create nodegroup group1 if not exists on nc1, nc2;
+
+create dataset DBLP(DBLPType)
+ primary key id on group1;
+
+load dataset DBLP
+using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
+(("path"="nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
+
+create index keyword_index on DBLP(title) type fuzzy keyword;
+
+write output to nc1:"rttest/index-selection_fuzzy-inverted-index-word-jaccard.adm";
+
+for $o in dataset('DBLP')
+let $jacc := similarity-jaccard-check(word-tokens($o.title), word-tokens("Transactions for Cooperative Environments"), 0.5f)
+where $jacc[0]
+return $o
+
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/circle-intersect-circle.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/circle-intersect-circle.aql
index 6018671..2295947 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/circle-intersect-circle.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/circle-intersect-circle.aql
@@ -15,7 +15,7 @@
write output to nc1:"rttest/spatial_circle-intersect-circle.adm";
for $o in dataset('MyData')
-where spatial-intersect(create-circle(create-point(0.0,0.0), 5.0), create-circle(create-point(9.9,0.0), 5.0))
+where spatial-intersect(create-circle(create-point(0.0,0.0), 5.0), $o.circle)
order by $o.id
return {"id":$o.id}
diff --git a/asterix-app/src/test/resources/runtimets/results/dml/scan-insert-rtree-secondary-index.adm b/asterix-app/src/test/resources/runtimets/results/dml/scan-insert-rtree-secondary-index.adm
index 4bd8c19..5f5be7c 100644
--- a/asterix-app/src/test/resources/runtimets/results/dml/scan-insert-rtree-secondary-index.adm
+++ b/asterix-app/src/test/resources/runtimets/results/dml/scan-insert-rtree-secondary-index.adm
@@ -1,2 +1,3 @@
{ "id": 10 }
{ "id": 12 }
+{ "id": 20 }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/results/failure/delete-rtree.adm b/asterix-app/src/test/resources/runtimets/results/failure/delete-rtree.adm
index d397f9a..a3021ef 100644
--- a/asterix-app/src/test/resources/runtimets/results/failure/delete-rtree.adm
+++ b/asterix-app/src/test/resources/runtimets/results/failure/delete-rtree.adm
@@ -1,7 +1,5 @@
-{ "id": 21 }
{ "id": 22 }
{ "id": 23 }
-{ "id": 24 }
{ "id": 25 }
{ "id": 26 }
{ "id": 27 }
@@ -255,24 +253,6 @@
{ "id": 275 }
{ "id": 276 }
{ "id": 277 }
-{ "id": 278 }
-{ "id": 279 }
-{ "id": 280 }
-{ "id": 281 }
-{ "id": 282 }
-{ "id": 283 }
-{ "id": 284 }
-{ "id": 285 }
-{ "id": 286 }
-{ "id": 287 }
-{ "id": 288 }
-{ "id": 289 }
-{ "id": 290 }
-{ "id": 291 }
-{ "id": 292 }
-{ "id": 293 }
-{ "id": 294 }
-{ "id": 295 }
{ "id": 296 }
{ "id": 297 }
{ "id": 298 }
@@ -314,53 +294,6 @@
{ "id": 334 }
{ "id": 335 }
{ "id": 336 }
-{ "id": 337 }
-{ "id": 338 }
-{ "id": 339 }
-{ "id": 340 }
-{ "id": 341 }
-{ "id": 342 }
-{ "id": 343 }
-{ "id": 344 }
-{ "id": 345 }
-{ "id": 346 }
-{ "id": 347 }
-{ "id": 348 }
-{ "id": 349 }
-{ "id": 350 }
-{ "id": 351 }
-{ "id": 352 }
-{ "id": 353 }
-{ "id": 354 }
-{ "id": 355 }
-{ "id": 356 }
-{ "id": 357 }
-{ "id": 358 }
-{ "id": 359 }
-{ "id": 360 }
-{ "id": 361 }
-{ "id": 362 }
-{ "id": 363 }
-{ "id": 364 }
-{ "id": 365 }
-{ "id": 366 }
-{ "id": 367 }
-{ "id": 368 }
-{ "id": 369 }
-{ "id": 370 }
-{ "id": 371 }
-{ "id": 372 }
-{ "id": 373 }
-{ "id": 374 }
-{ "id": 375 }
-{ "id": 376 }
-{ "id": 377 }
-{ "id": 378 }
-{ "id": 379 }
-{ "id": 380 }
-{ "id": 381 }
-{ "id": 382 }
-{ "id": 383 }
{ "id": 384 }
{ "id": 385 }
{ "id": 386 }
@@ -449,159 +382,6 @@
{ "id": 469 }
{ "id": 470 }
{ "id": 471 }
-{ "id": 472 }
-{ "id": 473 }
-{ "id": 474 }
-{ "id": 475 }
-{ "id": 476 }
-{ "id": 477 }
-{ "id": 478 }
-{ "id": 479 }
-{ "id": 480 }
-{ "id": 481 }
-{ "id": 482 }
-{ "id": 483 }
-{ "id": 484 }
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{ "id": 625 }
{ "id": 626 }
{ "id": 627 }
@@ -665,52 +445,6 @@
{ "id": 685 }
{ "id": 686 }
{ "id": 687 }
-{ "id": 688 }
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-{ "id": 733 }
{ "id": 734 }
{ "id": 735 }
{ "id": 736 }
@@ -760,74 +494,6 @@
{ "id": 780 }
{ "id": 781 }
{ "id": 782 }
-{ "id": 783 }
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-{ "id": 850 }
{ "id": 851 }
{ "id": 852 }
{ "id": 853 }
@@ -932,73 +598,6 @@
{ "id": 952 }
{ "id": 953 }
{ "id": 954 }
-{ "id": 955 }
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{ "id": 1022 }
{ "id": 1023 }
{ "id": 1024 }
@@ -1086,72 +685,6 @@
{ "id": 1106 }
{ "id": 1107 }
{ "id": 1108 }
-{ "id": 1109 }
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{ "id": 1175 }
{ "id": 1176 }
{ "id": 1177 }
@@ -1219,19 +752,6 @@
{ "id": 1239 }
{ "id": 1240 }
{ "id": 1241 }
-{ "id": 1242 }
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-{ "id": 1254 }
{ "id": 1255 }
{ "id": 1256 }
{ "id": 1257 }
@@ -1348,76 +868,6 @@
{ "id": 1368 }
{ "id": 1369 }
{ "id": 1370 }
-{ "id": 1371 }
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-{ "id": 1440 }
{ "id": 1441 }
{ "id": 1442 }
{ "id": 1443 }
@@ -1550,59 +1000,6 @@
{ "id": 1570 }
{ "id": 1571 }
{ "id": 1572 }
-{ "id": 1573 }
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-{ "id": 1625 }
{ "id": 1626 }
{ "id": 1627 }
{ "id": 1628 }
@@ -1752,16 +1149,6 @@
{ "id": 1772 }
{ "id": 1773 }
{ "id": 1774 }
-{ "id": 1775 }
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-{ "id": 1783 }
-{ "id": 1784 }
{ "id": 1785 }
{ "id": 1786 }
{ "id": 1787 }
@@ -2007,11 +1394,6 @@
{ "id": 2027 }
{ "id": 2028 }
{ "id": 2029 }
-{ "id": 2030 }
-{ "id": 2031 }
-{ "id": 2032 }
-{ "id": 2033 }
-{ "id": 2034 }
{ "id": 2035 }
{ "id": 2036 }
{ "id": 2037 }
@@ -2128,11 +1510,6 @@
{ "id": 2148 }
{ "id": 2149 }
{ "id": 2150 }
-{ "id": 2151 }
-{ "id": 2152 }
-{ "id": 2153 }
-{ "id": 2154 }
-{ "id": 2155 }
{ "id": 2156 }
{ "id": 2157 }
{ "id": 2158 }
@@ -2192,19 +1569,6 @@
{ "id": 2212 }
{ "id": 2213 }
{ "id": 2214 }
-{ "id": 2215 }
-{ "id": 2216 }
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-{ "id": 2221 }
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-{ "id": 2224 }
-{ "id": 2225 }
-{ "id": 2226 }
-{ "id": 2227 }
{ "id": 2228 }
{ "id": 2229 }
{ "id": 2230 }
@@ -2259,50 +1623,6 @@
{ "id": 2279 }
{ "id": 2280 }
{ "id": 2281 }
-{ "id": 2282 }
-{ "id": 2283 }
-{ "id": 2284 }
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-{ "id": 2286 }
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-{ "id": 2321 }
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-{ "id": 2323 }
-{ "id": 2324 }
-{ "id": 2325 }
{ "id": 2326 }
{ "id": 2327 }
{ "id": 2328 }
@@ -2340,51 +1660,6 @@
{ "id": 2360 }
{ "id": 2361 }
{ "id": 2362 }
-{ "id": 2363 }
-{ "id": 2364 }
-{ "id": 2365 }
-{ "id": 2366 }
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-{ "id": 2368 }
-{ "id": 2369 }
-{ "id": 2370 }
-{ "id": 2371 }
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-{ "id": 2374 }
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-{ "id": 2376 }
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-{ "id": 2378 }
-{ "id": 2379 }
-{ "id": 2380 }
-{ "id": 2381 }
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-{ "id": 2383 }
-{ "id": 2384 }
-{ "id": 2385 }
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-{ "id": 2387 }
-{ "id": 2388 }
-{ "id": 2389 }
-{ "id": 2390 }
-{ "id": 2391 }
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-{ "id": 2394 }
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-{ "id": 2406 }
-{ "id": 2407 }
{ "id": 2408 }
{ "id": 2409 }
{ "id": 2410 }
@@ -2403,111 +1678,13 @@
{ "id": 2423 }
{ "id": 2424 }
{ "id": 2425 }
-{ "id": 2426 }
-{ "id": 2427 }
-{ "id": 2428 }
-{ "id": 2429 }
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{ "id": 2456 }
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{ "id": 2460 }
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{ "id": 2480 }
{ "id": 2481 }
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-{ "id": 2527 }
-{ "id": 2528 }
-{ "id": 2529 }
-{ "id": 2530 }
{ "id": 2531 }
{ "id": 2532 }
{ "id": 2533 }
@@ -2520,9 +1697,6 @@
{ "id": 2540 }
{ "id": 2541 }
{ "id": 2542 }
-{ "id": 2543 }
-{ "id": 2544 }
-{ "id": 2545 }
{ "id": 2546 }
{ "id": 2547 }
{ "id": 2548 }
@@ -2613,7 +1787,6 @@
{ "id": 2633 }
{ "id": 2634 }
{ "id": 2635 }
-{ "id": 2636 }
{ "id": 2637 }
{ "id": 2638 }
{ "id": 2639 }
@@ -2966,62 +2139,6 @@
{ "id": 2986 }
{ "id": 2987 }
{ "id": 2988 }
-{ "id": 2989 }
-{ "id": 2990 }
-{ "id": 2991 }
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-{ "id": 2995 }
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-{ "id": 3000 }
-{ "id": 3001 }
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-{ "id": 3010 }
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-{ "id": 3020 }
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-{ "id": 3024 }
-{ "id": 3025 }
-{ "id": 3026 }
-{ "id": 3027 }
-{ "id": 3028 }
-{ "id": 3029 }
-{ "id": 3030 }
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{ "id": 3045 }
{ "id": 3046 }
{ "id": 3047 }
@@ -3056,85 +2173,6 @@
{ "id": 3076 }
{ "id": 3077 }
{ "id": 3078 }
-{ "id": 3079 }
-{ "id": 3080 }
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{ "id": 3158 }
{ "id": 3159 }
{ "id": 3160 }
@@ -3305,219 +2343,6 @@
{ "id": 3325 }
{ "id": 3326 }
{ "id": 3327 }
-{ "id": 3328 }
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{ "id": 3541 }
{ "id": 3542 }
{ "id": 3543 }
@@ -3650,105 +2475,6 @@
{ "id": 3670 }
{ "id": 3671 }
{ "id": 3672 }
-{ "id": 3673 }
-{ "id": 3674 }
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-{ "id": 3771 }
{ "id": 3772 }
{ "id": 3773 }
{ "id": 3774 }
@@ -3812,47 +2538,6 @@
{ "id": 3832 }
{ "id": 3833 }
{ "id": 3834 }
-{ "id": 3835 }
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-{ "id": 3873 }
-{ "id": 3874 }
-{ "id": 3875 }
{ "id": 3876 }
{ "id": 3877 }
{ "id": 3878 }
@@ -4006,87 +2691,6 @@
{ "id": 4026 }
{ "id": 4027 }
{ "id": 4028 }
-{ "id": 4029 }
-{ "id": 4030 }
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-{ "id": 4108 }
-{ "id": 4109 }
{ "id": 4110 }
{ "id": 4111 }
{ "id": 4112 }
@@ -4122,81 +2726,6 @@
{ "id": 4142 }
{ "id": 4143 }
{ "id": 4144 }
-{ "id": 4145 }
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-{ "id": 4218 }
-{ "id": 4219 }
{ "id": 4220 }
{ "id": 4221 }
{ "id": 4222 }
@@ -4224,62 +2753,6 @@
{ "id": 4244 }
{ "id": 4245 }
{ "id": 4246 }
-{ "id": 4247 }
-{ "id": 4248 }
-{ "id": 4249 }
-{ "id": 4250 }
-{ "id": 4251 }
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-{ "id": 4265 }
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-{ "id": 4280 }
-{ "id": 4281 }
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-{ "id": 4299 }
-{ "id": 4300 }
-{ "id": 4301 }
-{ "id": 4302 }
{ "id": 4303 }
{ "id": 4304 }
{ "id": 4305 }
@@ -4408,176 +2881,6 @@
{ "id": 4428 }
{ "id": 4429 }
{ "id": 4430 }
-{ "id": 4431 }
-{ "id": 4432 }
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-{ "id": 4599 }
-{ "id": 4600 }
{ "id": 4601 }
{ "id": 4602 }
{ "id": 4603 }
@@ -4795,60 +3098,6 @@
{ "id": 4815 }
{ "id": 4816 }
{ "id": 4817 }
-{ "id": 4818 }
-{ "id": 4819 }
-{ "id": 4820 }
-{ "id": 4821 }
-{ "id": 4822 }
-{ "id": 4823 }
-{ "id": 4824 }
-{ "id": 4825 }
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-{ "id": 4827 }
-{ "id": 4828 }
-{ "id": 4829 }
-{ "id": 4830 }
-{ "id": 4831 }
-{ "id": 4832 }
-{ "id": 4833 }
-{ "id": 4834 }
-{ "id": 4835 }
-{ "id": 4836 }
-{ "id": 4837 }
-{ "id": 4838 }
-{ "id": 4839 }
-{ "id": 4840 }
-{ "id": 4841 }
-{ "id": 4842 }
-{ "id": 4843 }
-{ "id": 4844 }
-{ "id": 4845 }
-{ "id": 4846 }
-{ "id": 4847 }
-{ "id": 4848 }
-{ "id": 4849 }
-{ "id": 4850 }
-{ "id": 4851 }
-{ "id": 4852 }
-{ "id": 4853 }
-{ "id": 4854 }
-{ "id": 4855 }
-{ "id": 4856 }
-{ "id": 4857 }
-{ "id": 4858 }
-{ "id": 4859 }
-{ "id": 4860 }
-{ "id": 4861 }
-{ "id": 4862 }
-{ "id": 4863 }
-{ "id": 4864 }
-{ "id": 4865 }
-{ "id": 4866 }
-{ "id": 4867 }
-{ "id": 4868 }
-{ "id": 4869 }
-{ "id": 4870 }
-{ "id": 4871 }
{ "id": 4872 }
{ "id": 4873 }
{ "id": 4874 }
@@ -5195,11 +3444,6 @@
{ "id": 5215 }
{ "id": 5216 }
{ "id": 5217 }
-{ "id": 5218 }
-{ "id": 5219 }
-{ "id": 5220 }
-{ "id": 5221 }
-{ "id": 5222 }
{ "id": 5223 }
{ "id": 5224 }
{ "id": 5225 }
@@ -5492,15 +3736,6 @@
{ "id": 5512 }
{ "id": 5513 }
{ "id": 5514 }
-{ "id": 5515 }
-{ "id": 5516 }
-{ "id": 5517 }
-{ "id": 5518 }
-{ "id": 5519 }
-{ "id": 5520 }
-{ "id": 5521 }
-{ "id": 5522 }
-{ "id": 5523 }
{ "id": 5524 }
{ "id": 5525 }
{ "id": 5526 }
diff --git a/asterix-app/src/test/resources/runtimets/results/index-selection/btree-index-composite-key-mixed-intervals.adm b/asterix-app/src/test/resources/runtimets/results/index-selection/btree-index-composite-key-mixed-intervals.adm
new file mode 100644
index 0000000..590b9ff
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/results/index-selection/btree-index-composite-key-mixed-intervals.adm
@@ -0,0 +1,11 @@
+{ "id": 215, "fname": "Karina", "lname": "Michelsen", "age": 46, "dept": "IT" }
+{ "id": 219, "fname": "Kurt", "lname": "Petermann", "age": 27, "dept": "Payroll" }
+{ "id": 463, "fname": "Marcie", "lname": "States", "age": 28, "dept": "IT" }
+{ "id": 589, "fname": "Lorrie", "lname": "Sharon", "age": 27, "dept": "IT" }
+{ "id": 681, "fname": "Max", "lname": "Teachout", "age": 34, "dept": "IT" }
+{ "id": 781, "fname": "Karina", "lname": "Tuthill", "age": 46, "dept": "Payroll" }
+{ "id": 955, "fname": "Max", "lname": "Mell", "age": 33, "dept": "HR" }
+{ "id": 965, "fname": "Micco", "lname": "Mercy", "age": 31, "dept": "Payroll" }
+{ "id": 1426, "fname": "Marcie", "lname": "Rasnake", "age": 42, "dept": "Sales" }
+{ "id": 5438, "fname": "Lakisha", "lname": "Quashie", "age": 29, "dept": "HR" }
+{ "id": 9941, "fname": "Khurram Faraaz", "lname": "Mohammed", "age": 30, "dept": "HR" }
diff --git a/asterix-app/src/test/resources/runtimets/results/index-selection/fuzzy-inverted-index-ngram-contains.adm b/asterix-app/src/test/resources/runtimets/results/index-selection/fuzzy-inverted-index-ngram-contains.adm
new file mode 100644
index 0000000..8a99b26
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/results/index-selection/fuzzy-inverted-index-ngram-contains.adm
@@ -0,0 +1,3 @@
+{ "id": 4, "dblpid": "books/acm/kim95/ChristodoulakisK95", "title": "Multimedia Information Systems Issues and Approaches.", "authors": "Stavros Christodoulakis Leonidas Koveos", "misc": "2002-01-03 318-337 1995 Modern Database Systems db/books/collections/kim95.html#ChristodoulakisK95" }
+{ "id": 89, "dblpid": "conf/icip/SchonfeldL98", "title": "VORTEX Video Retrieval and Tracking from Compressed Multimedia Databases.", "authors": "Dan Schonfeld Dan Lelescu", "misc": "2002-11-05 123-127 1998 ICIP (3) db/conf/icip/icip1998-3.html#SchonfeldL98" }
+{ "id": 90, "dblpid": "conf/hicss/SchonfeldL99", "title": "VORTEX Video Retrieval and Tracking from Compressed Multimedia Databases ¾ Visual Search Engine.", "authors": "Dan Schonfeld Dan Lelescu", "misc": "2002-01-03 1999 HICSS http //computer.org/proceedings/hicss/0001/00013/00013006abs.htm db/conf/hicss/hicss1999-3.html#SchonfeldL99" }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/results/index-selection/fuzzy-inverted-index-ngram-edit-distance-panic.adm b/asterix-app/src/test/resources/runtimets/results/index-selection/fuzzy-inverted-index-ngram-edit-distance-panic.adm
new file mode 100644
index 0000000..a218d95
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/results/index-selection/fuzzy-inverted-index-ngram-edit-distance-panic.adm
@@ -0,0 +1 @@
+{ "id": 22, "dblpid": "books/acm/kim95/Motro95", "title": "Management of Uncerainty in database Systems.", "authors": "Amihai Motro", "misc": "2002-01-03 457-476 1995 Modern Database Systems db/books/collections/kim95.html#Motro95" }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/results/index-selection/fuzzy-inverted-index-ngram-edit-distance.adm b/asterix-app/src/test/resources/runtimets/results/index-selection/fuzzy-inverted-index-ngram-edit-distance.adm
new file mode 100644
index 0000000..a218d95
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/results/index-selection/fuzzy-inverted-index-ngram-edit-distance.adm
@@ -0,0 +1 @@
+{ "id": 22, "dblpid": "books/acm/kim95/Motro95", "title": "Management of Uncerainty in database Systems.", "authors": "Amihai Motro", "misc": "2002-01-03 457-476 1995 Modern Database Systems db/books/collections/kim95.html#Motro95" }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/results/index-selection/fuzzy-inverted-index-ngram-jaccard.adm b/asterix-app/src/test/resources/runtimets/results/index-selection/fuzzy-inverted-index-ngram-jaccard.adm
new file mode 100644
index 0000000..5bf6ae0
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/results/index-selection/fuzzy-inverted-index-ngram-jaccard.adm
@@ -0,0 +1 @@
+{ "id": 9, "dblpid": "books/acm/kim95/Kaiser95", "title": "Cooperative Transactions for Multiuser Environments.", "authors": "Gail E. Kaiser", "misc": "2002-01-03 409-433 1995 Modern Database Systems db/books/collections/kim95.html#Kaiser95" }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/results/index-selection/fuzzy-inverted-index-olist-edit-distance-panic.adm b/asterix-app/src/test/resources/runtimets/results/index-selection/fuzzy-inverted-index-olist-edit-distance-panic.adm
new file mode 100644
index 0000000..9e33b16
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/results/index-selection/fuzzy-inverted-index-olist-edit-distance-panic.adm
@@ -0,0 +1,854 @@
+{ "cid": 1, "name": "Trudie Minick", "age": 75, "address": { "number": 6740, "street": "Lake St.", "city": "Sunnyvale" }, "interests": [ "Fishing", "Squash" ], "children": [ { "name": "Arie Minick", "age": 56 }, { "name": "Alline Minick", "age": 57 }, { "name": "Petronila Minick", "age": 56 } ] }
+{ "cid": 2, "name": "Elin Debell", "age": 82, "address": { "number": 5649, "street": "Hill St.", "city": "Portland" }, "interests": [ "Bass", "Wine" ], "children": [ { "name": "Elvina Debell", "age": null }, { "name": "Renaldo Debell", "age": 51 }, { "name": "Divina Debell", "age": 57 } ] }
+{ "cid": 3, "name": "Phung Wheetley", "age": 12, "address": { "number": 5549, "street": "Hill St.", "city": "Mountain View" }, "interests": [ "Wine" ], "children": [ { "name": "Raelene Wheetley", "age": null }, { "name": "Dudley Wheetley", "age": null } ] }
+{ "cid": 4, "name": "Bernita Gungor", "age": 87, "address": { "number": 1208, "street": "Cedar St.", "city": "Mountain View" }, "interests": [ "Walking" ], "children": [ { "name": "Valencia Gungor", "age": 72 }, { "name": "Evangeline Gungor", "age": 76 }, { "name": "Odell Gungor", "age": null }, { "name": "Denny Gungor", "age": null } ] }
+{ "cid": 5, "name": "Heide Naifeh", "age": null, "address": null, "interests": [ "Music", "Databases" ], "children": [ { "name": "Deirdre Naifeh", "age": null }, { "name": "Jacquelyne Naifeh", "age": 39 } ] }
+{ "cid": 6, "name": "Cris Kager", "age": 70, "address": { "number": 8402, "street": "View St.", "city": "Los Angeles" }, "interests": [ "Walking" ], "children": [ { "name": "Carmelo Kager", "age": 34 }, { "name": "Faustina Kager", "age": null } ] }
+{ "cid": 7, "name": "Karie Kaehler", "age": 59, "address": { "number": 9875, "street": "View St.", "city": "San Jose" }, "interests": [ "Computers", "Skiing", "Basketball", "Movies" ], "children": [ { "name": "Spring Kaehler", "age": 17 } ] }
+{ "cid": 8, "name": "Audria Haylett", "age": 44, "address": { "number": 4872, "street": "Washington St.", "city": "Portland" }, "interests": [ "Cooking", "Fishing", "Video Games" ], "children": [ { "name": "Lacie Haylett", "age": 19 } ] }
+{ "cid": 9, "name": "Dreama Nuccio", "age": 55, "address": { "number": 95, "street": "Main St.", "city": "San Jose" }, "interests": [ ], "children": [ { "name": "Ricardo Nuccio", "age": 28 }, { "name": "See Nuccio", "age": 34 } ] }
+{ "cid": 10, "name": "Trent Liedy", "age": 51, "address": { "number": 1758, "street": "Oak St.", "city": "San Jose" }, "interests": [ ], "children": [ ] }
+{ "cid": 11, "name": "Meta Simek", "age": 13, "address": { "number": 4384, "street": "7th St.", "city": "San Jose" }, "interests": [ "Wine", "Walking" ], "children": [ { "name": "Oretha Simek", "age": null }, { "name": "Terence Simek", "age": null } ] }
+{ "cid": 12, "name": "Laurinda Raimann", "age": null, "address": null, "interests": [ "Basketball", "Coffee" ], "children": [ { "name": "Lulu Raimann", "age": null }, { "name": "Refugia Raimann", "age": 19 }, { "name": "Jimmie Raimann", "age": 10 }, { "name": "Cindy Raimann", "age": null } ] }
+{ "cid": 13, "name": "Nicol Kolmer", "age": null, "address": null, "interests": [ "Coffee" ], "children": [ { "name": "Erika Kolmer", "age": 40 }, { "name": "Justin Kolmer", "age": null }, { "name": "Dorathy Kolmer", "age": null }, { "name": "Anastacia Kolmer", "age": 27 } ] }
+{ "cid": 14, "name": "Chance Nicoson", "age": null, "address": null, "interests": [ "Tennis" ], "children": [ { "name": "Willette Nicoson", "age": 39 }, { "name": "Glennis Nicoson", "age": null }, { "name": "Philip Nicoson", "age": null }, { "name": "Cody Nicoson", "age": 26 } ] }
+{ "cid": 15, "name": "Berry Faubel", "age": 55, "address": { "number": 2806, "street": "Oak St.", "city": "Seattle" }, "interests": [ ], "children": [ { "name": "Tiffiny Faubel", "age": 12 }, { "name": "Hilaria Faubel", "age": 19 }, { "name": "Wesley Faubel", "age": 37 }, { "name": "Wei Faubel", "age": 28 } ] }
+{ "cid": 16, "name": "Felisa Auletta", "age": 55, "address": { "number": 7737, "street": "View St.", "city": "San Jose" }, "interests": [ "Skiing", "Coffee", "Wine" ], "children": [ { "name": "Rosalia Auletta", "age": 36 } ] }
+{ "cid": 17, "name": "Ingeborg Monkhouse", "age": null, "address": null, "interests": [ "Base Jumping", "Cigars", "Movies" ], "children": [ ] }
+{ "cid": 18, "name": "Dewayne Ardan", "age": 32, "address": { "number": 8229, "street": "Hill St.", "city": "San Jose" }, "interests": [ "Wine", "Walking", "Bass" ], "children": [ { "name": "Wen Ardan", "age": null }, { "name": "Sachiko Ardan", "age": 11 }, { "name": "Francis Ardan", "age": 20 } ] }
+{ "cid": 20, "name": "Annice Fulwider", "age": 59, "address": { "number": 4257, "street": "Park St.", "city": "Portland" }, "interests": [ ], "children": [ { "name": "Arica Fulwider", "age": 47 }, { "name": "Charlotte Fulwider", "age": 16 }, { "name": "Robbi Fulwider", "age": 29 } ] }
+{ "cid": 21, "name": "Gidget Galamay", "age": 34, "address": { "number": 2854, "street": "Washington St.", "city": "Los Angeles" }, "interests": [ ], "children": [ { "name": "Brunilda Galamay", "age": null }, { "name": "Bethel Galamay", "age": null }, { "name": "Devon Galamay", "age": 17 } ] }
+{ "cid": 22, "name": "Sarita Burrer", "age": null, "address": null, "interests": [ "Cigars", "Computers" ], "children": [ ] }
+{ "cid": 23, "name": "Micheal Konen", "age": null, "address": null, "interests": [ ], "children": [ { "name": "Myong Konen", "age": 26 }, { "name": "Celinda Konen", "age": 33 }, { "name": "Tammy Konen", "age": 53 }, { "name": "Chester Konen", "age": null } ] }
+{ "cid": 24, "name": "Hosea Wilburn", "age": null, "address": null, "interests": [ ], "children": [ ] }
+{ "cid": 25, "name": "Goldie Vanhandel", "age": 37, "address": { "number": 6568, "street": "Lake St.", "city": "Sunnyvale" }, "interests": [ "Bass", "Fishing", "Cigars" ], "children": [ ] }
+{ "cid": 26, "name": "Jone Okuna", "age": 78, "address": { "number": 6006, "street": "7th St.", "city": "Portland" }, "interests": [ ], "children": [ { "name": "Franchesca Okuna", "age": null }, { "name": "Fred Okuna", "age": 17 }, { "name": "Marcellus Okuna", "age": null } ] }
+{ "cid": 27, "name": "Hollie Hyun", "age": null, "address": null, "interests": [ "Skiing", "Walking" ], "children": [ { "name": "Morton Hyun", "age": null }, { "name": "Farrah Hyun", "age": 40 }, { "name": "Ali Hyun", "age": null } ] }
+{ "cid": 28, "name": "Ariana Gillert", "age": 54, "address": { "number": 7331, "street": "Lake St.", "city": "Mountain View" }, "interests": [ "Databases" ], "children": [ { "name": "Inge Gillert", "age": null }, { "name": "Jeraldine Gillert", "age": 13 } ] }
+{ "cid": 29, "name": "Ruthanne Tavana", "age": null, "address": null, "interests": [ "Movies" ], "children": [ ] }
+{ "cid": 30, "name": "Deedee Centner", "age": null, "address": null, "interests": [ "Skiing", "Wine", "Databases", "Movies" ], "children": [ { "name": "Lorilee Centner", "age": 30 }, { "name": "Thad Centner", "age": null } ] }
+{ "cid": 31, "name": "Venus Toboz", "age": 44, "address": { "number": 9465, "street": "View St.", "city": "Mountain View" }, "interests": [ "Running" ], "children": [ { "name": "Ashlie Toboz", "age": null } ] }
+{ "cid": 32, "name": "Tia Berkley", "age": 30, "address": { "number": 4507, "street": "Park St.", "city": "Sunnyvale" }, "interests": [ "Base Jumping", "Music" ], "children": [ { "name": "Carmon Berkley", "age": null }, { "name": "Kristina Berkley", "age": null }, { "name": "Cristi Berkley", "age": 19 } ] }
+{ "cid": 33, "name": "Rayford Velmontes", "age": null, "address": null, "interests": [ "Fishing", "Video Games" ], "children": [ ] }
+{ "cid": 34, "name": "Sam Tannahill", "age": null, "address": null, "interests": [ "Books" ], "children": [ ] }
+{ "cid": 36, "name": "Neoma Preist", "age": 69, "address": { "number": 4830, "street": "Lake St.", "city": "San Jose" }, "interests": [ "Databases", "Computers", "Coffee" ], "children": [ { "name": "Shery Preist", "age": null }, { "name": "Kelvin Preist", "age": 43 } ] }
+{ "cid": 37, "name": "Eliana Vient", "age": 89, "address": { "number": 4882, "street": "View St.", "city": "Seattle" }, "interests": [ ], "children": [ { "name": "Dario Vient", "age": 43 } ] }
+{ "cid": 38, "name": "Lawanna Abadi", "age": 35, "address": { "number": 6942, "street": "Cedar St.", "city": "Los Angeles" }, "interests": [ ], "children": [ { "name": "Arthur Abadi", "age": 10 } ] }
+{ "cid": 39, "name": "Brock Froncillo", "age": 72, "address": { "number": 4645, "street": "Cedar St.", "city": "San Jose" }, "interests": [ "Base Jumping", "Skiing" ], "children": [ { "name": "Cole Froncillo", "age": null }, { "name": "Ivana Froncillo", "age": null }, { "name": "Hugh Froncillo", "age": 23 } ] }
+{ "cid": 40, "name": "Fidelia Connie", "age": 81, "address": { "number": 2298, "street": "Washington St.", "city": "Sunnyvale" }, "interests": [ "Basketball", "Base Jumping", "Walking", "Skiing" ], "children": [ { "name": "Elfreda Connie", "age": 43 }, { "name": "Josephine Connie", "age": 30 }, { "name": "Lucas Connie", "age": null } ] }
+{ "cid": 41, "name": "Kevin Giottonini", "age": null, "address": null, "interests": [ "Skiing", "Bass" ], "children": [ { "name": "Victor Giottonini", "age": 37 }, { "name": "Alverta Giottonini", "age": null } ] }
+{ "cid": 42, "name": "Asley Simco", "age": 38, "address": { "number": 3322, "street": "Main St.", "city": "Mountain View" }, "interests": [ "Fishing", "Running", "Cigars" ], "children": [ { "name": "Micheal Simco", "age": null }, { "name": "Lawerence Simco", "age": null } ] }
+{ "cid": 44, "name": "Agustin Clubs", "age": null, "address": null, "interests": [ ], "children": [ { "name": "Maxwell Clubs", "age": 31 }, { "name": "Rayna Clubs", "age": null }, { "name": "Darwin Clubs", "age": null } ] }
+{ "cid": 46, "name": "Columbus Huntington", "age": 22, "address": { "number": 3809, "street": "Washington St.", "city": "Mountain View" }, "interests": [ "Movies" ], "children": [ { "name": "Dana Huntington", "age": 10 }, { "name": "Rosa Huntington", "age": null } ] }
+{ "cid": 48, "name": "Delia Salveson", "age": 44, "address": { "number": 5596, "street": "7th St.", "city": "Portland" }, "interests": [ "Cigars", "Running", "Walking", "Running" ], "children": [ { "name": "Logan Salveson", "age": 21 }, { "name": "Temple Salveson", "age": 17 }, { "name": "Kimi Salveson", "age": null }, { "name": "Jacob Salveson", "age": 20 } ] }
+{ "cid": 49, "name": "Asa Schwing", "age": 70, "address": { "number": 2261, "street": "7th St.", "city": "Sunnyvale" }, "interests": [ "Tennis" ], "children": [ { "name": "Joy Schwing", "age": 15 } ] }
+{ "cid": 50, "name": "Lise Gorelli", "age": null, "address": null, "interests": [ "Books", "Wine", "Skiing", "Computers" ], "children": [ { "name": "Darleen Gorelli", "age": null }, { "name": "Latia Gorelli", "age": null }, { "name": "Page Gorelli", "age": null }, { "name": "Columbus Gorelli", "age": null } ] }
+{ "cid": 51, "name": "Simonne Cape", "age": null, "address": null, "interests": [ "Bass", "Bass", "Books" ], "children": [ { "name": "Leland Cape", "age": null }, { "name": "Gearldine Cape", "age": null } ] }
+{ "cid": 52, "name": "Janna Tish", "age": 12, "address": { "number": 2598, "street": "Washington St.", "city": "San Jose" }, "interests": [ ], "children": [ { "name": "Mackenzie Tish", "age": null }, { "name": "Ettie Tish", "age": null }, { "name": "Hortencia Tish", "age": null }, { "name": "Paul Tish", "age": null } ] }
+{ "cid": 53, "name": "Ricardo Greiwe", "age": 24, "address": { "number": 8983, "street": "View St.", "city": "Portland" }, "interests": [ ], "children": [ ] }
+{ "cid": 54, "name": "Haywood Vasiloff", "age": 63, "address": { "number": 8780, "street": "View St.", "city": "Sunnyvale" }, "interests": [ ], "children": [ { "name": "Celsa Vasiloff", "age": 40 }, { "name": "Shawana Vasiloff", "age": 43 }, { "name": "Joel Vasiloff", "age": 42 }, { "name": "Timmy Vasiloff", "age": 33 } ] }
+{ "cid": 55, "name": "Terrence Bryant", "age": 12, "address": { "number": 3188, "street": "Park St.", "city": "Seattle" }, "interests": [ "Wine", "Cooking" ], "children": [ { "name": "Dayna Bryant", "age": null } ] }
+{ "cid": 56, "name": "Andria Killelea", "age": null, "address": null, "interests": [ "Cigars", "Skiing" ], "children": [ ] }
+{ "cid": 57, "name": "Celestine Mac", "age": null, "address": null, "interests": [ "Wine", "Computers", "Books" ], "children": [ { "name": "Kathyrn Mac", "age": 44 } ] }
+{ "cid": 58, "name": "Rosemarie Mattei", "age": 80, "address": { "number": 1390, "street": "Park St.", "city": "Sunnyvale" }, "interests": [ ], "children": [ { "name": "Sonya Mattei", "age": 52 }, { "name": "Elenor Mattei", "age": null } ] }
+{ "cid": 59, "name": "Rea Villicana", "age": null, "address": null, "interests": [ ], "children": [ ] }
+{ "cid": 61, "name": "Linsey Mose", "age": 17, "address": { "number": 9198, "street": "Lake St.", "city": "Portland" }, "interests": [ "Puzzles" ], "children": [ { "name": "Tilda Mose", "age": null }, { "name": "Lillie Mose", "age": null }, { "name": "Robyn Mose", "age": null } ] }
+{ "cid": 62, "name": "Kiley Machnik", "age": null, "address": null, "interests": [ ], "children": [ ] }
+{ "cid": 64, "name": "Victor Susor", "age": 32, "address": { "number": 1690, "street": "Main St.", "city": "Portland" }, "interests": [ "Running", "Computers" ], "children": [ ] }
+{ "cid": 66, "name": "Lenny Latson", "age": null, "address": null, "interests": [ "Music", "Video Games" ], "children": [ ] }
+{ "cid": 67, "name": "Tobie Mattan", "age": null, "address": null, "interests": [ ], "children": [ ] }
+{ "cid": 68, "name": "Chery Basini", "age": null, "address": null, "interests": [ "Video Games" ], "children": [ ] }
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+{ "cid": 135, "name": "Josette Dries", "age": null, "address": null, "interests": [ "Base Jumping", "Movies" ], "children": [ { "name": "Ben Dries", "age": 36 }, { "name": "Wm Dries", "age": 29 } ] }
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+{ "cid": 164, "name": "Lucrecia Dahlhauser", "age": null, "address": null, "interests": [ "Wine" ], "children": [ ] }
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+{ "cid": 239, "name": "Celsa Fondow", "age": null, "address": null, "interests": [ "Base Jumping", "Computers", "Cooking", "Wine" ], "children": [ ] }
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+{ "cid": 251, "name": "Janeen Galston", "age": null, "address": null, "interests": [ "Basketball", "Base Jumping" ], "children": [ ] }
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+{ "cid": 362, "name": "Alta Bantug", "age": null, "address": null, "interests": [ "Computers" ], "children": [ ] }
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+{ "cid": 438, "name": "Allegra Pefanis", "age": null, "address": null, "interests": [ "Computers", "Music", "Cigars" ], "children": [ ] }
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+{ "cid": 445, "name": "Walton Komo", "age": 16, "address": { "number": 8769, "street": "Main St.", "city": "Seattle" }, "interests": [ "Running", "Basketball", "Tennis" ], "children": [ ] }
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+{ "cid": 450, "name": "Althea Mohammed", "age": null, "address": null, "interests": [ "Fishing", "Databases" ], "children": [ { "name": "Jasper Mohammed", "age": null } ] }
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+{ "cid": 457, "name": "Jenice Boger", "age": null, "address": null, "interests": [ "Skiing", "Databases", "Running" ], "children": [ ] }
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+{ "cid": 848, "name": "Myrta Kopf", "age": null, "address": null, "interests": [ "Wine", "Basketball", "Base Jumping" ], "children": [ ] }
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+{ "cid": 852, "name": "Terrell Ramsay", "age": null, "address": null, "interests": [ ], "children": [ ] }
+{ "cid": 853, "name": "Denisse Peralto", "age": 25, "address": { "number": 3931, "street": "7th St.", "city": "Portland" }, "interests": [ "Tennis", "Walking", "Basketball" ], "children": [ { "name": "Asha Peralto", "age": 14 }, { "name": "Clark Peralto", "age": null }, { "name": "Jessika Peralto", "age": null }, { "name": "Nadene Peralto", "age": null } ] }
+{ "cid": 854, "name": "Angie Oyster", "age": 32, "address": { "number": 8860, "street": "Main St.", "city": "San Jose" }, "interests": [ "Coffee", "Movies", "Fishing" ], "children": [ { "name": "Hugh Oyster", "age": 10 } ] }
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+{ "cid": 858, "name": "Maricruz Dittberner", "age": null, "address": null, "interests": [ "Tennis", "Wine", "Cigars", "Video Games" ], "children": [ ] }
+{ "cid": 859, "name": "Mozelle Catillo", "age": 61, "address": { "number": 253, "street": "View St.", "city": "Los Angeles" }, "interests": [ "Databases", "Cooking", "Wine" ], "children": [ ] }
+{ "cid": 860, "name": "Isabelle Sept", "age": 88, "address": { "number": 4382, "street": "Washington St.", "city": "Portland" }, "interests": [ "Puzzles", "Books" ], "children": [ ] }
+{ "cid": 861, "name": "Hugh Mcbrien", "age": null, "address": null, "interests": [ "Skiing", "Cigars", "Cooking" ], "children": [ { "name": "Otha Mcbrien", "age": 38 } ] }
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+{ "cid": 865, "name": "Moon Marino", "age": 43, "address": { "number": 5710, "street": "Oak St.", "city": "Sunnyvale" }, "interests": [ "Skiing" ], "children": [ { "name": "Markita Marino", "age": 10 } ] }
+{ "cid": 866, "name": "Bonita Kauphusman", "age": null, "address": null, "interests": [ ], "children": [ ] }
+{ "cid": 869, "name": "Lino Wooderson", "age": null, "address": null, "interests": [ ], "children": [ { "name": "Nola Wooderson", "age": null }, { "name": "Leticia Wooderson", "age": 36 }, { "name": "Bernardine Wooderson", "age": null } ] }
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+{ "cid": 871, "name": "Lona Dacus", "age": null, "address": null, "interests": [ "Base Jumping" ], "children": [ { "name": "Pablo Dacus", "age": null }, { "name": "Darlene Dacus", "age": 45 }, { "name": "Darius Dacus", "age": 31 }, { "name": "Cordia Dacus", "age": null } ] }
+{ "cid": 872, "name": "Michele Herschel", "age": 39, "address": { "number": 4287, "street": "Cedar St.", "city": "Los Angeles" }, "interests": [ ], "children": [ ] }
+{ "cid": 875, "name": "Ramon Crepps", "age": null, "address": null, "interests": [ "Coffee", "Movies", "Skiing" ], "children": [ { "name": "Elisha Crepps", "age": null } ] }
+{ "cid": 876, "name": "Chelsie Motten", "age": null, "address": null, "interests": [ "Music", "Squash", "Music", "Walking" ], "children": [ { "name": "Nida Motten", "age": null }, { "name": "Taneka Motten", "age": 10 }, { "name": "Maynard Motten", "age": 57 } ] }
+{ "cid": 877, "name": "Nicki Lipkind", "age": null, "address": null, "interests": [ "Books", "Movies" ], "children": [ { "name": "Yahaira Lipkind", "age": 12 } ] }
+{ "cid": 878, "name": "Migdalia Bisker", "age": 50, "address": { "number": 6699, "street": "Oak St.", "city": "Los Angeles" }, "interests": [ "Computers", "Basketball" ], "children": [ { "name": "Moira Bisker", "age": null }, { "name": "Tanisha Bisker", "age": null } ] }
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+{ "cid": 946, "name": "Taylor Parrigan", "age": null, "address": null, "interests": [ "Music" ], "children": [ { "name": "Salome Parrigan", "age": 50 }, { "name": "Gary Parrigan", "age": 25 }, { "name": "Harold Parrigan", "age": null } ] }
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+{ "cid": 955, "name": "Liliana Stenkamp", "age": null, "address": null, "interests": [ "Music" ], "children": [ ] }
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+{ "cid": 960, "name": "Lenore Limardi", "age": null, "address": null, "interests": [ "Music" ], "children": [ { "name": "Kris Limardi", "age": 12 } ] }
+{ "cid": 961, "name": "Mirian Herpolsheimer", "age": null, "address": null, "interests": [ "Music", "Fishing", "Computers" ], "children": [ { "name": "Larissa Herpolsheimer", "age": 41 }, { "name": "Markus Herpolsheimer", "age": null }, { "name": "Natacha Herpolsheimer", "age": null } ] }
+{ "cid": 962, "name": "Taryn Coley", "age": null, "address": null, "interests": [ "Running", "Basketball", "Cooking" ], "children": [ ] }
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+{ "cid": 964, "name": "Stephany Soders", "age": null, "address": null, "interests": [ "Tennis", "Wine", "Computers" ], "children": [ ] }
+{ "cid": 965, "name": "Mellie Risen", "age": null, "address": null, "interests": [ "Tennis" ], "children": [ { "name": "Coreen Risen", "age": 36 }, { "name": "Faith Risen", "age": 34 }, { "name": "Crystle Risen", "age": 54 } ] }
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+{ "cid": 970, "name": "Pia Sudderth", "age": null, "address": null, "interests": [ "Databases" ], "children": [ { "name": "Ernestina Sudderth", "age": 15 }, { "name": "Larue Sudderth", "age": 46 }, { "name": "Toshia Sudderth", "age": 27 } ] }
+{ "cid": 974, "name": "Alexis Malcomson", "age": null, "address": null, "interests": [ "Movies", "Books" ], "children": [ { "name": "Kerri Malcomson", "age": null } ] }
+{ "cid": 975, "name": "Gary Whitemore", "age": null, "address": null, "interests": [ ], "children": [ ] }
+{ "cid": 976, "name": "Madalyn Nidiffer", "age": 35, "address": { "number": 7635, "street": "Main St.", "city": "San Jose" }, "interests": [ "Coffee", "Wine", "Music" ], "children": [ { "name": "Tricia Nidiffer", "age": 10 }, { "name": "Kevin Nidiffer", "age": 24 }, { "name": "Elyse Nidiffer", "age": null } ] }
+{ "cid": 978, "name": "Rudy Watsky", "age": 32, "address": { "number": 2754, "street": "Oak St.", "city": "Seattle" }, "interests": [ "Cooking" ], "children": [ ] }
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+{ "cid": 981, "name": "Lilliam Lopus", "age": null, "address": null, "interests": [ ], "children": [ { "name": "Tracey Lopus", "age": null } ] }
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+{ "cid": 984, "name": "Janett Kitchens", "age": 66, "address": { "number": 7558, "street": "View St.", "city": "Mountain View" }, "interests": [ "Coffee", "Movies", "Squash" ], "children": [ { "name": "Grayce Kitchens", "age": 14 }, { "name": "Dwayne Kitchens", "age": null }, { "name": "Wilber Kitchens", "age": 51 }, { "name": "Nancey Kitchens", "age": null } ] }
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+{ "cid": 986, "name": "Tennille Wikle", "age": 78, "address": { "number": 3428, "street": "View St.", "city": "Portland" }, "interests": [ "Movies", "Databases", "Wine" ], "children": [ { "name": "Lourie Wikle", "age": null }, { "name": "Laure Wikle", "age": null } ] }
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+{ "cid": 988, "name": "Dagmar Plasky", "age": 89, "address": { "number": 1219, "street": "Park St.", "city": "Portland" }, "interests": [ ], "children": [ { "name": "Dann Plasky", "age": 59 }, { "name": "Raye Plasky", "age": null }, { "name": "Sammie Plasky", "age": 36 }, { "name": "Kasi Plasky", "age": 24 } ] }
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+{ "cid": 992, "name": "Staci Alexandropoul", "age": null, "address": null, "interests": [ "Databases", "Movies", "Tennis" ], "children": [ { "name": "Casimira Alexandropoul", "age": null }, { "name": "Kena Alexandropoul", "age": 54 }, { "name": "Ellie Alexandropoul", "age": null }, { "name": "Ambrose Alexandropoul", "age": null } ] }
+{ "cid": 993, "name": "Shawn Irie", "age": null, "address": null, "interests": [ "Fishing", "Cigars" ], "children": [ { "name": "Tonette Irie", "age": null } ] }
+{ "cid": 994, "name": "Isa Gravelle", "age": null, "address": null, "interests": [ ], "children": [ { "name": "Lashonda Gravelle", "age": null }, { "name": "Carry Gravelle", "age": 58 } ] }
+{ "cid": 995, "name": "Kiersten Basila", "age": null, "address": null, "interests": [ ], "children": [ { "name": "Norman Basila", "age": 17 }, { "name": "Reginia Basila", "age": null }, { "name": "Gilberto Basila", "age": null }, { "name": "Elvira Basila", "age": 49 } ] }
+{ "cid": 996, "name": "Elouise Wider", "age": null, "address": null, "interests": [ "Coffee", "Computers", "Base Jumping" ], "children": [ ] }
+{ "cid": 997, "name": "Yesenia Gao", "age": 38, "address": { "number": 5990, "street": "View St.", "city": "Portland" }, "interests": [ "Computers", "Computers", "Puzzles", "Puzzles" ], "children": [ { "name": "Jared Gao", "age": 11 }, { "name": "Sang Gao", "age": null }, { "name": "Jeanne Gao", "age": 13 }, { "name": "Lavona Gao", "age": 23 } ] }
+{ "cid": 998, "name": "Barry Schmaus", "age": 65, "address": { "number": 4894, "street": "View St.", "city": "Sunnyvale" }, "interests": [ ], "children": [ { "name": "Ma Schmaus", "age": 40 }, { "name": "Lashawn Schmaus", "age": 13 }, { "name": "Georgianne Schmaus", "age": 38 } ] }
+{ "cid": 999, "name": "Bo Chaim", "age": 59, "address": { "number": 8050, "street": "View St.", "city": "Seattle" }, "interests": [ ], "children": [ { "name": "Zandra Chaim", "age": 42 }, { "name": "Theda Chaim", "age": 14 }, { "name": "Sharika Chaim", "age": 22 } ] }
diff --git a/asterix-app/src/test/resources/runtimets/results/index-selection/fuzzy-inverted-index-olist-edit-distance.adm b/asterix-app/src/test/resources/runtimets/results/index-selection/fuzzy-inverted-index-olist-edit-distance.adm
new file mode 100644
index 0000000..6d89122
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/results/index-selection/fuzzy-inverted-index-olist-edit-distance.adm
@@ -0,0 +1,8 @@
+{ "cid": 11, "name": "Meta Simek", "age": 13, "address": { "number": 4384, "street": "7th St.", "city": "San Jose" }, "interests": [ "Wine", "Walking" ], "children": [ { "name": "Oretha Simek", "age": null }, { "name": "Terence Simek", "age": null } ] }
+{ "cid": 132, "name": "Cindi Turntine", "age": 64, "address": { "number": 9432, "street": "Park St.", "city": "Portland" }, "interests": [ "Computers", "Wine" ], "children": [ { "name": "Howard Turntine", "age": null } ] }
+{ "cid": 153, "name": "Randy Hueso", "age": 11, "address": { "number": 1957, "street": "Oak St.", "city": "San Jose" }, "interests": [ "Computers", "Wine", "Databases", "Walking" ], "children": [ ] }
+{ "cid": 389, "name": "Loraine Morfee", "age": 72, "address": { "number": 2945, "street": "Lake St.", "city": "Seattle" }, "interests": [ "Wine", "Walking" ], "children": [ { "name": "Berry Morfee", "age": 30 } ] }
+{ "cid": 573, "name": "Tyree Ketcher", "age": null, "address": null, "interests": [ "Computers", "Walking" ], "children": [ { "name": "Aleisha Ketcher", "age": null }, { "name": "Vonda Ketcher", "age": null }, { "name": "Cyndy Ketcher", "age": 13 }, { "name": "Chassidy Ketcher", "age": 30 } ] }
+{ "cid": 658, "name": "Truman Leitner", "age": null, "address": null, "interests": [ "Computers", "Bass", "Walking" ], "children": [ ] }
+{ "cid": 716, "name": "Deirdre Bruderer", "age": null, "address": null, "interests": [ "Computers", "Wine" ], "children": [ { "name": "Coralee Bruderer", "age": null }, { "name": "Mina Bruderer", "age": null }, { "name": "Lindsey Bruderer", "age": 35 }, { "name": "Yi Bruderer", "age": null } ] }
+{ "cid": 838, "name": "Karan Aharon", "age": 88, "address": { "number": 8033, "street": "Washington St.", "city": "Portland" }, "interests": [ "Computers", "Movies", "Walking" ], "children": [ { "name": "Matha Aharon", "age": 16 } ] }
diff --git a/asterix-app/src/test/resources/runtimets/results/index-selection/fuzzy-inverted-index-olist-jaccard.adm b/asterix-app/src/test/resources/runtimets/results/index-selection/fuzzy-inverted-index-olist-jaccard.adm
new file mode 100644
index 0000000..71bb9d7
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/results/index-selection/fuzzy-inverted-index-olist-jaccard.adm
@@ -0,0 +1 @@
+{ "cid": 153, "name": "Randy Hueso", "age": 11, "address": { "number": 1957, "street": "Oak St.", "city": "San Jose" }, "interests": [ "Computers", "Wine", "Databases", "Walking" ], "children": [ ] }
diff --git a/asterix-app/src/test/resources/runtimets/results/index-selection/fuzzy-inverted-index-ulist-jaccard.adm b/asterix-app/src/test/resources/runtimets/results/index-selection/fuzzy-inverted-index-ulist-jaccard.adm
new file mode 100644
index 0000000..fd1b75e
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/results/index-selection/fuzzy-inverted-index-ulist-jaccard.adm
@@ -0,0 +1 @@
+{ "cid": 153, "name": "Randy Hueso", "age": 11, "address": { "number": 1957, "street": "Oak St.", "city": "San Jose" }, "interests": {{ "Computers", "Wine", "Databases", "Walking" }}, "children": [ ] }
diff --git a/asterix-app/src/test/resources/runtimets/results/index-selection/fuzzy-inverted-index-word-contains.adm b/asterix-app/src/test/resources/runtimets/results/index-selection/fuzzy-inverted-index-word-contains.adm
new file mode 100644
index 0000000..8a99b26
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/results/index-selection/fuzzy-inverted-index-word-contains.adm
@@ -0,0 +1,3 @@
+{ "id": 4, "dblpid": "books/acm/kim95/ChristodoulakisK95", "title": "Multimedia Information Systems Issues and Approaches.", "authors": "Stavros Christodoulakis Leonidas Koveos", "misc": "2002-01-03 318-337 1995 Modern Database Systems db/books/collections/kim95.html#ChristodoulakisK95" }
+{ "id": 89, "dblpid": "conf/icip/SchonfeldL98", "title": "VORTEX Video Retrieval and Tracking from Compressed Multimedia Databases.", "authors": "Dan Schonfeld Dan Lelescu", "misc": "2002-11-05 123-127 1998 ICIP (3) db/conf/icip/icip1998-3.html#SchonfeldL98" }
+{ "id": 90, "dblpid": "conf/hicss/SchonfeldL99", "title": "VORTEX Video Retrieval and Tracking from Compressed Multimedia Databases ¾ Visual Search Engine.", "authors": "Dan Schonfeld Dan Lelescu", "misc": "2002-01-03 1999 HICSS http //computer.org/proceedings/hicss/0001/00013/00013006abs.htm db/conf/hicss/hicss1999-3.html#SchonfeldL99" }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/results/index-selection/fuzzy-inverted-index-word-jaccard.adm b/asterix-app/src/test/resources/runtimets/results/index-selection/fuzzy-inverted-index-word-jaccard.adm
new file mode 100644
index 0000000..5bf6ae0
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/results/index-selection/fuzzy-inverted-index-word-jaccard.adm
@@ -0,0 +1 @@
+{ "id": 9, "dblpid": "books/acm/kim95/Kaiser95", "title": "Cooperative Transactions for Multiuser Environments.", "authors": "Gail E. Kaiser", "misc": "2002-01-03 409-433 1995 Modern Database Systems db/books/collections/kim95.html#Kaiser95" }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/results/index-selection/rtree-secondary-index-open.adm b/asterix-app/src/test/resources/runtimets/results/index-selection/rtree-secondary-index-open.adm
index 2ffad7c..d22217a 100644
--- a/asterix-app/src/test/resources/runtimets/results/index-selection/rtree-secondary-index-open.adm
+++ b/asterix-app/src/test/resources/runtimets/results/index-selection/rtree-secondary-index-open.adm
@@ -1 +1,2 @@
-{ "id": 12 }
\ No newline at end of file
+{ "id": 12 }
+{ "id": 20 }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/results/index-selection/rtree-secondary-index.adm b/asterix-app/src/test/resources/runtimets/results/index-selection/rtree-secondary-index.adm
index 2ffad7c..d22217a 100644
--- a/asterix-app/src/test/resources/runtimets/results/index-selection/rtree-secondary-index.adm
+++ b/asterix-app/src/test/resources/runtimets/results/index-selection/rtree-secondary-index.adm
@@ -1 +1,2 @@
-{ "id": 12 }
\ No newline at end of file
+{ "id": 12 }
+{ "id": 20 }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/results/spatial/circle-intersect-circle.adm b/asterix-app/src/test/resources/runtimets/results/spatial/circle-intersect-circle.adm
index c294669..af533e3 100644
--- a/asterix-app/src/test/resources/runtimets/results/spatial/circle-intersect-circle.adm
+++ b/asterix-app/src/test/resources/runtimets/results/spatial/circle-intersect-circle.adm
@@ -1,19 +1,6 @@
{ "id": 1 }
{ "id": 2 }
{ "id": 3 }
-{ "id": 4 }
-{ "id": 5 }
{ "id": 6 }
-{ "id": 7 }
-{ "id": 8 }
{ "id": 9 }
-{ "id": 10 }
-{ "id": 11 }
-{ "id": 12 }
-{ "id": 13 }
-{ "id": 14 }
-{ "id": 15 }
-{ "id": 16 }
-{ "id": 17 }
-{ "id": 18 }
-{ "id": 19 }
\ No newline at end of file
+{ "id": 11 }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/results/spatial/create-rtree-index.adm b/asterix-app/src/test/resources/runtimets/results/spatial/create-rtree-index.adm
index 1778736..6a2a2c6 100644
--- a/asterix-app/src/test/resources/runtimets/results/spatial/create-rtree-index.adm
+++ b/asterix-app/src/test/resources/runtimets/results/spatial/create-rtree-index.adm
@@ -16,4 +16,6 @@
16
17
18
-19
\ No newline at end of file
+19
+20
+21
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/results/spatial/distance-between-points.adm b/asterix-app/src/test/resources/runtimets/results/spatial/distance-between-points.adm
index 2dc063d..be5e2b4 100644
--- a/asterix-app/src/test/resources/runtimets/results/spatial/distance-between-points.adm
+++ b/asterix-app/src/test/resources/runtimets/results/spatial/distance-between-points.adm
@@ -16,4 +16,6 @@
{ "id": 16, "distance": 3.605551275463989d }
{ "id": 17, "distance": 8.112336284942828d }
{ "id": 18, "distance": 3.605551275463989d }
-{ "id": 19, "distance": 3.605551275463989d }
\ No newline at end of file
+{ "id": 19, "distance": 3.605551275463989d }
+{ "id": 20, "distance": 5.0d }
+{ "id": 21, "distance": 5.0d }
diff --git a/asterix-app/src/test/resources/runtimets/results/spatial/line-intersect-circle.adm b/asterix-app/src/test/resources/runtimets/results/spatial/line-intersect-circle.adm
index b61f96b..3ed757e 100644
--- a/asterix-app/src/test/resources/runtimets/results/spatial/line-intersect-circle.adm
+++ b/asterix-app/src/test/resources/runtimets/results/spatial/line-intersect-circle.adm
@@ -1,5 +1,7 @@
{ "id": 2 }
{ "id": 3 }
+{ "id": 6 }
+{ "id": 7 }
{ "id": 10 }
{ "id": 11 }
{ "id": 12 }
@@ -8,4 +10,5 @@
{ "id": 15 }
{ "id": 16 }
{ "id": 18 }
-{ "id": 19 }
\ No newline at end of file
+{ "id": 19 }
+{ "id": 21 }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/results/spatial/line-intersect-rectangle.adm b/asterix-app/src/test/resources/runtimets/results/spatial/line-intersect-rectangle.adm
index bea5d1d..59506d2 100644
--- a/asterix-app/src/test/resources/runtimets/results/spatial/line-intersect-rectangle.adm
+++ b/asterix-app/src/test/resources/runtimets/results/spatial/line-intersect-rectangle.adm
@@ -10,4 +10,5 @@
{ "id": 15 }
{ "id": 16 }
{ "id": 18 }
-{ "id": 19 }
\ No newline at end of file
+{ "id": 19 }
+{ "id": 21 }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/results/spatial/point-in-circle.adm b/asterix-app/src/test/resources/runtimets/results/spatial/point-in-circle.adm
index ad75861..f8d6259 100644
--- a/asterix-app/src/test/resources/runtimets/results/spatial/point-in-circle.adm
+++ b/asterix-app/src/test/resources/runtimets/results/spatial/point-in-circle.adm
@@ -3,4 +3,6 @@
{ "id": 15 }
{ "id": 16 }
{ "id": 18 }
-{ "id": 19 }
\ No newline at end of file
+{ "id": 19 }
+{ "id": 20 }
+{ "id": 21 }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/results/spatial/point-in-polygon.adm b/asterix-app/src/test/resources/runtimets/results/spatial/point-in-polygon.adm
index 2ffad7c..d22217a 100644
--- a/asterix-app/src/test/resources/runtimets/results/spatial/point-in-polygon.adm
+++ b/asterix-app/src/test/resources/runtimets/results/spatial/point-in-polygon.adm
@@ -1 +1,2 @@
-{ "id": 12 }
\ No newline at end of file
+{ "id": 12 }
+{ "id": 20 }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/results/spatial/point-in-rectangle.adm b/asterix-app/src/test/resources/runtimets/results/spatial/point-in-rectangle.adm
index bc9537a..424f77a 100644
--- a/asterix-app/src/test/resources/runtimets/results/spatial/point-in-rectangle.adm
+++ b/asterix-app/src/test/resources/runtimets/results/spatial/point-in-rectangle.adm
@@ -1,2 +1,4 @@
{ "id": 1 }
-{ "id": 10 }
\ No newline at end of file
+{ "id": 10 }
+{ "id": 20 }
+{ "id": 21 }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/results/spatial/point-on-line.adm b/asterix-app/src/test/resources/runtimets/results/spatial/point-on-line.adm
index d5bf8d4..f737ee8 100644
--- a/asterix-app/src/test/resources/runtimets/results/spatial/point-on-line.adm
+++ b/asterix-app/src/test/resources/runtimets/results/spatial/point-on-line.adm
@@ -1,4 +1,5 @@
{ "id": 1 }
{ "id": 9 }
{ "id": 10 }
-{ "id": 17 }
\ No newline at end of file
+{ "id": 17 }
+{ "id": 21 }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/results/spatial/polygon-intersect-circle.adm b/asterix-app/src/test/resources/runtimets/results/spatial/polygon-intersect-circle.adm
index e5293c9..bb9a070 100644
--- a/asterix-app/src/test/resources/runtimets/results/spatial/polygon-intersect-circle.adm
+++ b/asterix-app/src/test/resources/runtimets/results/spatial/polygon-intersect-circle.adm
@@ -7,4 +7,5 @@
{ "id": 16 }
{ "id": 17 }
{ "id": 18 }
-{ "id": 19 }
\ No newline at end of file
+{ "id": 19 }
+{ "id": 20 }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/results/spatial/polygon-intersect-rectangle.adm b/asterix-app/src/test/resources/runtimets/results/spatial/polygon-intersect-rectangle.adm
index a602b8d..aa83a89 100644
--- a/asterix-app/src/test/resources/runtimets/results/spatial/polygon-intersect-rectangle.adm
+++ b/asterix-app/src/test/resources/runtimets/results/spatial/polygon-intersect-rectangle.adm
@@ -5,4 +5,6 @@
{ "id": 6 }
{ "id": 9 }
{ "id": 12 }
-{ "id": 17 }
\ No newline at end of file
+{ "id": 17 }
+{ "id": 20 }
+{ "id": 21 }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/results/spatial/rectangle-intersect-circle.adm b/asterix-app/src/test/resources/runtimets/results/spatial/rectangle-intersect-circle.adm
index 62f32d0..260b1bf 100644
--- a/asterix-app/src/test/resources/runtimets/results/spatial/rectangle-intersect-circle.adm
+++ b/asterix-app/src/test/resources/runtimets/results/spatial/rectangle-intersect-circle.adm
@@ -16,3 +16,5 @@
{ "id": 17 }
{ "id": 18 }
{ "id": 19 }
+{ "id": 20 }
+{ "id": 21 }
diff --git a/asterix-app/src/test/resources/runtimets/results/spatial/rectangle-intersect-rectangle.adm b/asterix-app/src/test/resources/runtimets/results/spatial/rectangle-intersect-rectangle.adm
index e18550c..fed2dc7 100644
--- a/asterix-app/src/test/resources/runtimets/results/spatial/rectangle-intersect-rectangle.adm
+++ b/asterix-app/src/test/resources/runtimets/results/spatial/rectangle-intersect-rectangle.adm
@@ -1,2 +1,3 @@
{ "id": 1 }
-{ "id": 7 }
\ No newline at end of file
+{ "id": 7 }
+{ "id": 21 }
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/testsuite.xml b/asterix-app/src/test/resources/runtimets/testsuite.xml
index 02eb1ee..809c40b 100644
--- a/asterix-app/src/test/resources/runtimets/testsuite.xml
+++ b/asterix-app/src/test/resources/runtimets/testsuite.xml
@@ -1661,6 +1661,11 @@
</compilation-unit>
</test-case>
<test-case FilePath="index-selection">
+ <compilation-unit name="btree-index-composite-key-mixed-intervals">
+ <output-file compare="Text">btree-index-composite-key-mixed-intervals.adm</output-file>
+ </compilation-unit>
+ </test-case>
+ <test-case FilePath="index-selection">
<compilation-unit name="btree-index-rewrite-multiple">
<output-file compare="Text">btree-index-rewrite-multiple.adm</output-file>
</compilation-unit>
@@ -1671,6 +1676,56 @@
</compilation-unit>
</test-case>
<test-case FilePath="index-selection">
+ <compilation-unit name="fuzzy-inverted-index-ngram-contains">
+ <output-file compare="Text">fuzzy-inverted-index-ngram-contains.adm</output-file>
+ </compilation-unit>
+ </test-case>
+ <test-case FilePath="index-selection">
+ <compilation-unit name="fuzzy-inverted-index-ngram-edit-distance-panic">
+ <output-file compare="Text">fuzzy-inverted-index-ngram-edit-distance-panic.adm</output-file>
+ </compilation-unit>
+ </test-case>
+ <test-case FilePath="index-selection">
+ <compilation-unit name="fuzzy-inverted-index-ngram-edit-distance">
+ <output-file compare="Text">fuzzy-inverted-index-ngram-edit-distance.adm</output-file>
+ </compilation-unit>
+ </test-case>
+ <test-case FilePath="index-selection">
+ <compilation-unit name="fuzzy-inverted-index-ngram-jaccard">
+ <output-file compare="Text">fuzzy-inverted-index-ngram-jaccard.adm</output-file>
+ </compilation-unit>
+ </test-case>
+ <test-case FilePath="index-selection">
+ <compilation-unit name="fuzzy-inverted-index-olist-edit-distance-panic">
+ <output-file compare="Text">fuzzy-inverted-index-olist-edit-distance-panic.adm</output-file>
+ </compilation-unit>
+ </test-case>
+ <test-case FilePath="index-selection">
+ <compilation-unit name="fuzzy-inverted-index-olist-edit-distance">
+ <output-file compare="Text">fuzzy-inverted-index-olist-edit-distance.adm</output-file>
+ </compilation-unit>
+ </test-case>
+ <test-case FilePath="index-selection">
+ <compilation-unit name="fuzzy-inverted-index-olist-jaccard">
+ <output-file compare="Text">fuzzy-inverted-index-olist-jaccard.adm</output-file>
+ </compilation-unit>
+ </test-case>
+ <test-case FilePath="index-selection">
+ <compilation-unit name="fuzzy-inverted-index-ulist-jaccard">
+ <output-file compare="Text">fuzzy-inverted-index-ulist-jaccard.adm</output-file>
+ </compilation-unit>
+ </test-case>
+ <test-case FilePath="index-selection">
+ <compilation-unit name="fuzzy-inverted-index-word-contains">
+ <output-file compare="Text">fuzzy-inverted-index-word-contains.adm</output-file>
+ </compilation-unit>
+ </test-case>
+ <test-case FilePath="index-selection">
+ <compilation-unit name="fuzzy-inverted-index-word-jaccard">
+ <output-file compare="Text">fuzzy-inverted-index-word-jaccard.adm</output-file>
+ </compilation-unit>
+ </test-case>
+ <test-case FilePath="index-selection">
<compilation-unit name="inverted-index-ngram-contains">
<output-file compare="Text">inverted-index-ngram-contains.adm</output-file>
</compilation-unit>
diff --git a/asterix-aql/src/main/javacc/AQL.jj b/asterix-aql/src/main/javacc/AQL.jj
index dca639b..5ede3ac 100644
--- a/asterix-aql/src/main/javacc/AQL.jj
+++ b/asterix-aql/src/main/javacc/AQL.jj
@@ -399,9 +399,10 @@
("," <IDENTIFIER> { cis.addFieldExpr(token.image); })*
<RIGHTPAREN>
("type"
- ("btree" { cis.setIndexType(IndexType.BTREE); }
- | "keyword" { cis.setIndexType(IndexType.WORD_INVIX); }
+ ("btree" { cis.setIndexType(IndexType.BTREE); }
| "rtree" { cis.setIndexType(IndexType.RTREE); }
+ | "keyword" { cis.setIndexType(IndexType.WORD_INVIX); }
+ | "fuzzy keyword" { cis.setIndexType(IndexType.FUZZY_WORD_INVIX); }
| "ngram"
<LEFTPAREN>
(<INTEGER_LITERAL>
@@ -410,7 +411,16 @@
cis.setGramLength(Integer.valueOf(token.image));
}
)
- <RIGHTPAREN>
+ <RIGHTPAREN>
+ | "fuzzy ngram"
+ <LEFTPAREN>
+ (<INTEGER_LITERAL>
+ {
+ cis.setIndexType(IndexType.FUZZY_NGRAM_INVIX);
+ cis.setGramLength(Integer.valueOf(token.image));
+ }
+ )
+ <RIGHTPAREN>
)
";"
| ";"
diff --git a/asterix-common/pom.xml b/asterix-common/pom.xml
index 87a36ab..d71e9d3 100644
--- a/asterix-common/pom.xml
+++ b/asterix-common/pom.xml
@@ -6,9 +6,7 @@
<groupId>edu.uci.ics.asterix</groupId>
<version>0.0.4-SNAPSHOT</version>
</parent>
- <groupId>edu.uci.ics.asterix</groupId>
<artifactId>asterix-common</artifactId>
- <version>0.0.4-SNAPSHOT</version>
<build>
<plugins>
<plugin>
@@ -40,6 +38,11 @@
<type>jar</type>
<scope>compile</scope>
</dependency>
+ <dependency>
+ <groupId>edu.uci.ics.hyracks</groupId>
+ <artifactId>hyracks-storage-am-lsm-common</artifactId>
+ <version>0.2.3-SNAPSHOT</version>
+ </dependency>
</dependencies>
</project>
diff --git a/asterix-common/src/main/java/edu/uci/ics/asterix/common/api/AsterixAppContextInfoImpl.java b/asterix-common/src/main/java/edu/uci/ics/asterix/common/api/AsterixAppContextInfoImpl.java
index 00a2651..0f1de56 100644
--- a/asterix-common/src/main/java/edu/uci/ics/asterix/common/api/AsterixAppContextInfoImpl.java
+++ b/asterix-common/src/main/java/edu/uci/ics/asterix/common/api/AsterixAppContextInfoImpl.java
@@ -14,12 +14,10 @@
*/
package edu.uci.ics.asterix.common.api;
-import edu.uci.ics.asterix.common.context.AsterixIndexRegistryProvider;
-import edu.uci.ics.asterix.common.context.AsterixStorageManagerInterface;
+import edu.uci.ics.asterix.common.context.AsterixRuntimeComponentsProvider;
import edu.uci.ics.asterix.common.dataflow.IAsterixApplicationContextInfo;
import edu.uci.ics.hyracks.api.application.ICCApplicationContext;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexRegistryProvider;
+import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
/*
@@ -48,13 +46,8 @@
}
@Override
- public IIndexRegistryProvider<IIndex> getIndexRegistryProvider() {
- return AsterixIndexRegistryProvider.INSTANCE;
- }
-
- @Override
public IStorageManagerInterface getStorageManagerInterface() {
- return AsterixStorageManagerInterface.INSTANCE;
+ return AsterixRuntimeComponentsProvider.NOINDEX_PROVIDER;
}
@Override
@@ -62,4 +55,8 @@
return appCtx;
}
+ @Override
+ public IIndexLifecycleManagerProvider getIndexLifecycleManagerProvider() {
+ return AsterixRuntimeComponentsProvider.NOINDEX_PROVIDER;
+ }
}
diff --git a/asterix-common/src/main/java/edu/uci/ics/asterix/common/config/DatasetConfig.java b/asterix-common/src/main/java/edu/uci/ics/asterix/common/config/DatasetConfig.java
index e860a0a..cbe96f7 100644
--- a/asterix-common/src/main/java/edu/uci/ics/asterix/common/config/DatasetConfig.java
+++ b/asterix-common/src/main/java/edu/uci/ics/asterix/common/config/DatasetConfig.java
@@ -41,7 +41,9 @@
BTREE,
RTREE,
WORD_INVIX,
- NGRAM_INVIX
+ NGRAM_INVIX,
+ FUZZY_WORD_INVIX,
+ FUZZY_NGRAM_INVIX
}
}
diff --git a/asterix-common/src/main/java/edu/uci/ics/asterix/common/config/GlobalConfig.java b/asterix-common/src/main/java/edu/uci/ics/asterix/common/config/GlobalConfig.java
index 49e8450..c3c4b87 100644
--- a/asterix-common/src/main/java/edu/uci/ics/asterix/common/config/GlobalConfig.java
+++ b/asterix-common/src/main/java/edu/uci/ics/asterix/common/config/GlobalConfig.java
@@ -32,4 +32,8 @@
public static final float DEFAULT_BTREE_FILL_FACTOR = 1.00f;
public static int DEFAULT_INPUT_DATA_COLUMN = 0;
+
+ public static int DEFAULT_INDEX_MEM_PAGE_SIZE = 32768;
+
+ public static int DEFAULT_INDEX_MEM_NUM_PAGES = 1000;
}
diff --git a/asterix-common/src/main/java/edu/uci/ics/asterix/common/context/AsterixAppRuntimeContext.java b/asterix-common/src/main/java/edu/uci/ics/asterix/common/context/AsterixAppRuntimeContext.java
index f84f294..85fb784 100644
--- a/asterix-common/src/main/java/edu/uci/ics/asterix/common/context/AsterixAppRuntimeContext.java
+++ b/asterix-common/src/main/java/edu/uci/ics/asterix/common/context/AsterixAppRuntimeContext.java
@@ -5,11 +5,22 @@
import edu.uci.ics.asterix.common.config.GlobalConfig;
import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
-import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionProvider;
+import edu.uci.ics.asterix.transaction.management.ioopcallbacks.LSMBTreeIOOperationCallbackFactory;
+import edu.uci.ics.asterix.transaction.management.ioopcallbacks.LSMInvertedIndexIOOperationCallbackFactory;
+import edu.uci.ics.asterix.transaction.management.ioopcallbacks.LSMRTreeIOOperationCallbackFactory;
+import edu.uci.ics.asterix.transaction.management.opcallbacks.IndexOperationTrackerFactory;
+import edu.uci.ics.asterix.transaction.management.service.recovery.IAsterixAppRuntimeContextProvider;
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionSubsystem;
import edu.uci.ics.hyracks.api.application.INCApplicationContext;
import edu.uci.ics.hyracks.api.io.IIOManager;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IndexRegistry;
+import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManager;
+import edu.uci.ics.hyracks.storage.am.common.dataflow.IndexLifecycleManager;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackProvider;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.common.impls.ConstantMergePolicy;
+import edu.uci.ics.hyracks.storage.am.lsm.common.impls.SynchronousScheduler;
import edu.uci.ics.hyracks.storage.common.buffercache.BufferCache;
import edu.uci.ics.hyracks.storage.common.buffercache.ClockPageReplacementStrategy;
import edu.uci.ics.hyracks.storage.common.buffercache.DelayPageCleanerPolicy;
@@ -20,15 +31,31 @@
import edu.uci.ics.hyracks.storage.common.buffercache.IPageReplacementStrategy;
import edu.uci.ics.hyracks.storage.common.file.IFileMapManager;
import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import edu.uci.ics.hyracks.storage.common.file.ILocalResourceRepository;
+import edu.uci.ics.hyracks.storage.common.file.ILocalResourceRepositoryFactory;
+import edu.uci.ics.hyracks.storage.common.file.PersistentLocalResourceRepositoryFactory;
+import edu.uci.ics.hyracks.storage.common.file.ResourceIdFactory;
+import edu.uci.ics.hyracks.storage.common.file.ResourceIdFactoryProvider;
public class AsterixAppRuntimeContext {
private static final int DEFAULT_BUFFER_CACHE_PAGE_SIZE = 32768;
+ private static final int DEFAULT_LIFECYCLEMANAGER_MEMORY_BUDGET = 1024 * 1024 * 1024; // 1GB
+ private static final int DEFAULT_MAX_OPEN_FILES = Integer.MAX_VALUE;
private final INCApplicationContext ncApplicationContext;
- private IndexRegistry<IIndex> indexRegistry;
+ private IIndexLifecycleManager indexLifecycleManager;
private IFileMapManager fileMapManager;
private IBufferCache bufferCache;
- private TransactionProvider provider;
+ private TransactionSubsystem txnSubsystem;
+
+ private ILSMMergePolicy mergePolicy;
+ private ILSMOperationTrackerFactory lsmBTreeOpTrackerFactory;
+ private ILSMOperationTrackerFactory lsmRTreeOpTrackerFactory;
+ private ILSMOperationTrackerFactory lsmInvertedIndexOpTrackerFactory;
+ private ILSMIOOperationScheduler lsmIOScheduler;
+ private ILocalResourceRepository localResourceRepository;
+ private ResourceIdFactory resourceIdFactory;
+ private IIOManager ioManager;
public AsterixAppRuntimeContext(INCApplicationContext ncApplicationContext) {
this.ncApplicationContext = ncApplicationContext;
@@ -38,21 +65,29 @@
int pageSize = getBufferCachePageSize();
int numPages = getBufferCacheNumPages();
- // Initialize file map manager
fileMapManager = new AsterixFileMapManager();
-
- // Initialize the buffer cache
ICacheMemoryAllocator allocator = new HeapBufferAllocator();
IPageReplacementStrategy prs = new ClockPageReplacementStrategy();
- IIOManager ioMgr = ncApplicationContext.getRootContext().getIOManager();
+ ioManager = ncApplicationContext.getRootContext().getIOManager();
+ indexLifecycleManager = new IndexLifecycleManager(DEFAULT_LIFECYCLEMANAGER_MEMORY_BUDGET);
+ IAsterixAppRuntimeContextProvider asterixAppRuntimeContextProvider = new AsterixAppRuntimeContextProviderForRecovery(
+ this);
+ txnSubsystem = new TransactionSubsystem(ncApplicationContext.getNodeId(), asterixAppRuntimeContextProvider);
IPageCleanerPolicy pcp = new DelayPageCleanerPolicy(600000);
- bufferCache = new BufferCache(ioMgr, allocator, prs, pcp, fileMapManager, pageSize, numPages, Integer.MAX_VALUE);
+ bufferCache = new BufferCache(ioManager, allocator, prs, pcp, fileMapManager, pageSize, numPages,
+ DEFAULT_MAX_OPEN_FILES);
- // Initialize the index registry
- indexRegistry = new IndexRegistry<IIndex>();
+ lsmIOScheduler = SynchronousScheduler.INSTANCE;
+ mergePolicy = new ConstantMergePolicy(3);
+ lsmBTreeOpTrackerFactory = new IndexOperationTrackerFactory(LSMBTreeIOOperationCallbackFactory.INSTANCE);
+ lsmRTreeOpTrackerFactory = new IndexOperationTrackerFactory(LSMRTreeIOOperationCallbackFactory.INSTANCE);
+ lsmInvertedIndexOpTrackerFactory = new IndexOperationTrackerFactory(
+ LSMInvertedIndexIOOperationCallbackFactory.INSTANCE);
- // Initialize the transaction sub-system
- provider = new TransactionProvider(ncApplicationContext.getNodeId());
+ ILocalResourceRepositoryFactory persistentLocalResourceRepositoryFactory = new PersistentLocalResourceRepositoryFactory(
+ ioManager);
+ localResourceRepository = persistentLocalResourceRepositoryFactory.createRepository();
+ resourceIdFactory = (new ResourceIdFactoryProvider(localResourceRepository)).createResourceIdFactory();
}
private int getBufferCachePageSize() {
@@ -110,12 +145,59 @@
return fileMapManager;
}
- public IndexRegistry<IIndex> getIndexRegistry() {
- return indexRegistry;
+ public TransactionSubsystem getTransactionSubsystem() {
+ return txnSubsystem;
}
- public TransactionProvider getTransactionProvider() {
- return provider;
+ public IIndexLifecycleManager getIndexLifecycleManager() {
+ return indexLifecycleManager;
}
+ public ILSMMergePolicy getLSMMergePolicy() {
+ return mergePolicy;
+ }
+
+ public ILSMOperationTrackerFactory getLSMBTreeOperationTrackerFactory() {
+ return lsmBTreeOpTrackerFactory;
+ }
+
+ public ILSMOperationTrackerFactory getLSMRTreeOperationTrackerFactory() {
+ return lsmRTreeOpTrackerFactory;
+ }
+
+ public ILSMOperationTrackerFactory getLSMInvertedIndexOperationTrackerFactory() {
+ return lsmInvertedIndexOpTrackerFactory;
+ }
+
+ public ILSMIOOperationCallbackProvider getLSMBTreeIOOperationCallbackProvider() {
+ return AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER;
+ }
+
+ public ILSMIOOperationCallbackProvider getLSMRTreeIOOperationCallbackProvider() {
+ return AsterixRuntimeComponentsProvider.LSMRTREE_PROVIDER;
+ }
+
+ public ILSMIOOperationCallbackProvider getLSMInvertedIndexIOOperationCallbackProvider() {
+ return AsterixRuntimeComponentsProvider.LSMINVERTEDINDEX_PROVIDER;
+ }
+
+ public ILSMIOOperationCallbackProvider getNoOpIOOperationCallbackProvider() {
+ return AsterixRuntimeComponentsProvider.NOINDEX_PROVIDER;
+ }
+
+ public ILSMIOOperationScheduler getLSMIOScheduler() {
+ return lsmIOScheduler;
+ }
+
+ public ILocalResourceRepository getLocalResourceRepository() {
+ return localResourceRepository;
+ }
+
+ public ResourceIdFactory getResourceIdFactory() {
+ return resourceIdFactory;
+ }
+
+ public IIOManager getIOManager() {
+ return ioManager;
+ }
}
\ No newline at end of file
diff --git a/asterix-common/src/main/java/edu/uci/ics/asterix/common/context/AsterixAppRuntimeContextProviderForRecovery.java b/asterix-common/src/main/java/edu/uci/ics/asterix/common/context/AsterixAppRuntimeContextProviderForRecovery.java
new file mode 100644
index 0000000..8f2b96f
--- /dev/null
+++ b/asterix-common/src/main/java/edu/uci/ics/asterix/common/context/AsterixAppRuntimeContextProviderForRecovery.java
@@ -0,0 +1,104 @@
+package edu.uci.ics.asterix.common.context;
+
+import edu.uci.ics.asterix.transaction.management.service.recovery.IAsterixAppRuntimeContextProvider;
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionSubsystem;
+import edu.uci.ics.hyracks.api.io.IIOManager;
+import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManager;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackProvider;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerFactory;
+import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
+import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import edu.uci.ics.hyracks.storage.common.file.ILocalResourceRepository;
+import edu.uci.ics.hyracks.storage.common.file.ResourceIdFactory;
+
+public class AsterixAppRuntimeContextProviderForRecovery implements IAsterixAppRuntimeContextProvider {
+
+ private final AsterixAppRuntimeContext asterixAppRuntimeContext;
+
+ public AsterixAppRuntimeContextProviderForRecovery(AsterixAppRuntimeContext asterixAppRuntimeContext) {
+ this.asterixAppRuntimeContext = asterixAppRuntimeContext;
+ }
+
+ @Override
+ public IBufferCache getBufferCache() {
+ return asterixAppRuntimeContext.getBufferCache();
+ }
+
+ @Override
+ public IFileMapProvider getFileMapManager() {
+ return asterixAppRuntimeContext.getFileMapManager();
+ }
+
+ @Override
+ public TransactionSubsystem getTransactionSubsystem() {
+ return asterixAppRuntimeContext.getTransactionSubsystem();
+ }
+
+ @Override
+ public IIndexLifecycleManager getIndexLifecycleManager() {
+ return asterixAppRuntimeContext.getIndexLifecycleManager();
+ }
+
+ @Override
+ public ILSMMergePolicy getLSMMergePolicy() {
+ return asterixAppRuntimeContext.getLSMMergePolicy();
+ }
+
+ @Override
+ public ILSMIOOperationScheduler getLSMIOScheduler() {
+ return asterixAppRuntimeContext.getLSMIOScheduler();
+ }
+
+ @Override
+ public ILocalResourceRepository getLocalResourceRepository() {
+ return asterixAppRuntimeContext.getLocalResourceRepository();
+ }
+
+ @Override
+ public ResourceIdFactory getResourceIdFactory() {
+ return asterixAppRuntimeContext.getResourceIdFactory();
+ }
+
+ @Override
+ public IIOManager getIOManager() {
+ return asterixAppRuntimeContext.getIOManager();
+ }
+
+ @Override
+ public ILSMOperationTrackerFactory getLSMBTreeOperationTrackerFactory() {
+ return asterixAppRuntimeContext.getLSMBTreeOperationTrackerFactory();
+ }
+
+ @Override
+ public ILSMOperationTrackerFactory getLSMRTreeOperationTrackerFactory() {
+ return asterixAppRuntimeContext.getLSMRTreeOperationTrackerFactory();
+ }
+
+ @Override
+ public ILSMOperationTrackerFactory getLSMInvertedIndexOperationTrackerFactory() {
+ return asterixAppRuntimeContext.getLSMInvertedIndexOperationTrackerFactory();
+ }
+
+ @Override
+ public ILSMIOOperationCallbackProvider getLSMBTreeIOOperationCallbackProvider() {
+ return asterixAppRuntimeContext.getLSMBTreeIOOperationCallbackProvider();
+ }
+
+ @Override
+ public ILSMIOOperationCallbackProvider getLSMRTreeIOOperationCallbackProvider() {
+ return asterixAppRuntimeContext.getLSMRTreeIOOperationCallbackProvider();
+ }
+
+ @Override
+ public ILSMIOOperationCallbackProvider getLSMInvertedIndexIOOperationCallbackProvider() {
+ return asterixAppRuntimeContext.getLSMInvertedIndexIOOperationCallbackProvider();
+ }
+
+ @Override
+ public ILSMIOOperationCallbackProvider getNoOpIOOperationCallbackProvider() {
+ return asterixAppRuntimeContext.getNoOpIOOperationCallbackProvider();
+ }
+
+}
diff --git a/asterix-common/src/main/java/edu/uci/ics/asterix/common/context/AsterixIndexRegistryProvider.java b/asterix-common/src/main/java/edu/uci/ics/asterix/common/context/AsterixIndexRegistryProvider.java
deleted file mode 100644
index bc59291..0000000
--- a/asterix-common/src/main/java/edu/uci/ics/asterix/common/context/AsterixIndexRegistryProvider.java
+++ /dev/null
@@ -1,23 +0,0 @@
-package edu.uci.ics.asterix.common.context;
-
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexRegistryProvider;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IndexRegistry;
-
-public class AsterixIndexRegistryProvider implements IIndexRegistryProvider<IIndex> {
-
- private static final long serialVersionUID = 1L;
-
- public static final AsterixIndexRegistryProvider INSTANCE = new AsterixIndexRegistryProvider();
-
- private AsterixIndexRegistryProvider() {
- }
-
- @Override
- public IndexRegistry<IIndex> getRegistry(IHyracksTaskContext ctx) {
- return ((AsterixAppRuntimeContext) ctx.getJobletContext().getApplicationContext().getApplicationObject())
- .getIndexRegistry();
- }
-
-}
diff --git a/asterix-common/src/main/java/edu/uci/ics/asterix/common/context/AsterixRuntimeComponentsProvider.java b/asterix-common/src/main/java/edu/uci/ics/asterix/common/context/AsterixRuntimeComponentsProvider.java
new file mode 100644
index 0000000..fad0a38
--- /dev/null
+++ b/asterix-common/src/main/java/edu/uci/ics/asterix/common/context/AsterixRuntimeComponentsProvider.java
@@ -0,0 +1,96 @@
+package edu.uci.ics.asterix.common.context;
+
+import edu.uci.ics.asterix.transaction.management.ioopcallbacks.LSMBTreeIOOperationCallbackFactory;
+import edu.uci.ics.asterix.transaction.management.ioopcallbacks.LSMInvertedIndexIOOperationCallbackFactory;
+import edu.uci.ics.asterix.transaction.management.ioopcallbacks.LSMRTreeIOOperationCallbackFactory;
+import edu.uci.ics.asterix.transaction.management.opcallbacks.IndexOperationTracker;
+import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
+import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManager;
+import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackProvider;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationSchedulerProvider;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndex;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicyProvider;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerFactory;
+import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
+import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
+import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import edu.uci.ics.hyracks.storage.common.file.ILocalResourceRepository;
+import edu.uci.ics.hyracks.storage.common.file.ResourceIdFactory;
+
+public class AsterixRuntimeComponentsProvider implements IIndexLifecycleManagerProvider, IStorageManagerInterface,
+ ILSMIOOperationSchedulerProvider, ILSMMergePolicyProvider, ILSMOperationTrackerFactory,
+ ILSMIOOperationCallbackProvider {
+ private static final long serialVersionUID = 1L;
+
+ private final ILSMIOOperationCallbackFactory ioOpCallbackFactory;
+
+ public static final AsterixRuntimeComponentsProvider LSMBTREE_PROVIDER = new AsterixRuntimeComponentsProvider(
+ LSMBTreeIOOperationCallbackFactory.INSTANCE);
+ public static final AsterixRuntimeComponentsProvider LSMRTREE_PROVIDER = new AsterixRuntimeComponentsProvider(
+ LSMRTreeIOOperationCallbackFactory.INSTANCE);
+ public static final AsterixRuntimeComponentsProvider LSMINVERTEDINDEX_PROVIDER = new AsterixRuntimeComponentsProvider(
+ LSMInvertedIndexIOOperationCallbackFactory.INSTANCE);
+ public static final AsterixRuntimeComponentsProvider NOINDEX_PROVIDER = new AsterixRuntimeComponentsProvider(null);
+
+ private AsterixRuntimeComponentsProvider(ILSMIOOperationCallbackFactory ioOpCallbackFactory) {
+ this.ioOpCallbackFactory = ioOpCallbackFactory;
+ }
+
+ @Override
+ public ILSMOperationTracker createOperationTracker(ILSMIndex index) {
+ return new IndexOperationTracker(index, ioOpCallbackFactory);
+ }
+
+ @Override
+ public ILSMIOOperationCallback getIOOperationCallback(ILSMIndex index) {
+ return ((IndexOperationTracker) index.getOperationTracker()).getIOOperationCallback();
+ }
+
+ @Override
+ public ILSMIOOperationScheduler getIOScheduler(IHyracksTaskContext ctx) {
+ return ((AsterixAppRuntimeContext) ctx.getJobletContext().getApplicationContext().getApplicationObject())
+ .getLSMIOScheduler();
+ }
+
+ @Override
+ public ILSMMergePolicy getMergePolicy(IHyracksTaskContext ctx) {
+ return ((AsterixAppRuntimeContext) ctx.getJobletContext().getApplicationContext().getApplicationObject())
+ .getLSMMergePolicy();
+ }
+
+ @Override
+ public IBufferCache getBufferCache(IHyracksTaskContext ctx) {
+ return ((AsterixAppRuntimeContext) ctx.getJobletContext().getApplicationContext().getApplicationObject())
+ .getBufferCache();
+ }
+
+ @Override
+ public IFileMapProvider getFileMapProvider(IHyracksTaskContext ctx) {
+ return ((AsterixAppRuntimeContext) ctx.getJobletContext().getApplicationContext().getApplicationObject())
+ .getFileMapManager();
+ }
+
+ @Override
+ public ILocalResourceRepository getLocalResourceRepository(IHyracksTaskContext ctx) {
+ return ((AsterixAppRuntimeContext) ctx.getJobletContext().getApplicationContext().getApplicationObject())
+ .getLocalResourceRepository();
+ }
+
+ @Override
+ public IIndexLifecycleManager getLifecycleManager(IHyracksTaskContext ctx) {
+ return ((AsterixAppRuntimeContext) ctx.getJobletContext().getApplicationContext().getApplicationObject())
+ .getIndexLifecycleManager();
+ }
+
+ @Override
+ public ResourceIdFactory getResourceIdFactory(IHyracksTaskContext ctx) {
+ return ((AsterixAppRuntimeContext) ctx.getJobletContext().getApplicationContext().getApplicationObject())
+ .getResourceIdFactory();
+ }
+}
diff --git a/asterix-common/src/main/java/edu/uci/ics/asterix/common/context/AsterixStorageManagerInterface.java b/asterix-common/src/main/java/edu/uci/ics/asterix/common/context/AsterixStorageManagerInterface.java
deleted file mode 100644
index a1b5a94..0000000
--- a/asterix-common/src/main/java/edu/uci/ics/asterix/common/context/AsterixStorageManagerInterface.java
+++ /dev/null
@@ -1,24 +0,0 @@
-package edu.uci.ics.asterix.common.context;
-
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
-import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
-import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
-
-public class AsterixStorageManagerInterface implements IStorageManagerInterface {
- private static final long serialVersionUID = 1L;
-
- public static AsterixStorageManagerInterface INSTANCE = new AsterixStorageManagerInterface();
-
- @Override
- public IBufferCache getBufferCache(IHyracksTaskContext ctx) {
- return ((AsterixAppRuntimeContext) ctx.getJobletContext().getApplicationContext().getApplicationObject())
- .getBufferCache();
- }
-
- @Override
- public IFileMapProvider getFileMapProvider(IHyracksTaskContext ctx) {
- return ((AsterixAppRuntimeContext) ctx.getJobletContext().getApplicationContext().getApplicationObject())
- .getFileMapManager();
- }
-}
diff --git a/asterix-common/src/main/java/edu/uci/ics/asterix/common/context/TransactionSubsystemProvider.java b/asterix-common/src/main/java/edu/uci/ics/asterix/common/context/TransactionSubsystemProvider.java
new file mode 100644
index 0000000..85e5375
--- /dev/null
+++ b/asterix-common/src/main/java/edu/uci/ics/asterix/common/context/TransactionSubsystemProvider.java
@@ -0,0 +1,34 @@
+/*
+ * Copyright 2009-2010 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package edu.uci.ics.asterix.common.context;
+
+import edu.uci.ics.asterix.transaction.management.service.transaction.ITransactionSubsystemProvider;
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionSubsystem;
+import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
+
+/**
+ * The purpose of this provider is to work around a cyclic dependency between asterix-common and asterix-transactions.
+ * The operation callbacks would depend on the AsterixAppRuntimeContext to get the transaction subsystem,
+ * while at the same time the AsterixAppRuntimeContext depends on asterix-transactions for the TransactionSubsystem.
+ */
+public class TransactionSubsystemProvider implements ITransactionSubsystemProvider {
+ @Override
+ public TransactionSubsystem getTransactionSubsystem(IHyracksTaskContext ctx) {
+ AsterixAppRuntimeContext runtimeCtx = (AsterixAppRuntimeContext) ctx.getJobletContext().getApplicationContext()
+ .getApplicationObject();
+ return runtimeCtx.getTransactionSubsystem();
+ }
+}
diff --git a/asterix-common/src/main/java/edu/uci/ics/asterix/common/dataflow/IAsterixApplicationContextInfo.java b/asterix-common/src/main/java/edu/uci/ics/asterix/common/dataflow/IAsterixApplicationContextInfo.java
index 032e832..401af28 100644
--- a/asterix-common/src/main/java/edu/uci/ics/asterix/common/dataflow/IAsterixApplicationContextInfo.java
+++ b/asterix-common/src/main/java/edu/uci/ics/asterix/common/dataflow/IAsterixApplicationContextInfo.java
@@ -15,8 +15,7 @@
package edu.uci.ics.asterix.common.dataflow;
import edu.uci.ics.hyracks.api.application.ICCApplicationContext;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexRegistryProvider;
+import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
/**
@@ -24,13 +23,7 @@
* ICCApplicationContext implementation.
*/
public interface IAsterixApplicationContextInfo {
-
- /**
- * Returns an instance of the implementation for IIndexRegistryProvider.
- *
- * @return IIndexRegistryProvider implementation instance
- */
- public IIndexRegistryProvider<IIndex> getIndexRegistryProvider();
+ public IIndexLifecycleManagerProvider getIndexLifecycleManagerProvider();
/**
* Returns an instance of the implementation for IStorageManagerInterface.
diff --git a/asterix-hyracks-glue/pom.xml b/asterix-hyracks-glue/pom.xml
deleted file mode 100644
index e28b2af..0000000
--- a/asterix-hyracks-glue/pom.xml
+++ /dev/null
@@ -1,53 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
- xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
- <modelVersion>4.0.0</modelVersion>
- <parent>
- <artifactId>asterix</artifactId>
- <groupId>edu.uci.ics.asterix</groupId>
- <version>0.0.4-SNAPSHOT</version>
- </parent>
- <groupId>edu.uci.ics.asterix</groupId>
- <artifactId>asterix-hyracks-glue</artifactId>
- <version>0.0.4-SNAPSHOT</version>
- <build>
- <plugins>
- <plugin>
- <groupId>org.apache.maven.plugins</groupId>
- <artifactId>maven-compiler-plugin</artifactId>
- <version>2.0.2</version>
- <configuration>
- <source>1.7</source>
- <target>1.7</target>
- <fork>true</fork>
- </configuration>
- </plugin>
- </plugins>
- </build>
- <name>asterix-hyracks-glue</name>
- <url>http://maven.apache.org</url>
- <dependencies>
- <dependency>
- <groupId>junit</groupId>
- <artifactId>junit</artifactId>
- <version>3.8.1</version>
- <scope>test</scope>
- </dependency>
- <dependency>
- <groupId>edu.uci.ics.asterix</groupId>
- <artifactId>asterix-transactions</artifactId>
- <version>0.0.4-SNAPSHOT</version>
- <scope>compile</scope>
- </dependency>
- <dependency>
- <groupId>edu.uci.ics.asterix</groupId>
- <artifactId>asterix-common</artifactId>
- <version>0.0.4-SNAPSHOT</version>
- <type>jar</type>
- <scope>compile</scope>
- </dependency>
- </dependencies>
- <properties>
- <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
- </properties>
-</project>
diff --git a/asterix-hyracks-glue/src/main/java/edu/uci/ics/asterix/runtime/transaction/TreeIndexInsertUpdateDeleteOperatorDescriptor.java b/asterix-hyracks-glue/src/main/java/edu/uci/ics/asterix/runtime/transaction/TreeIndexInsertUpdateDeleteOperatorDescriptor.java
deleted file mode 100644
index f96d3da..0000000
--- a/asterix-hyracks-glue/src/main/java/edu/uci/ics/asterix/runtime/transaction/TreeIndexInsertUpdateDeleteOperatorDescriptor.java
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
- * Copyright 2009-2011 by The Regents of the University of California
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * you may obtain a copy of the License from
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package edu.uci.ics.asterix.runtime.transaction;
-
-import edu.uci.ics.asterix.common.context.AsterixAppRuntimeContext;
-import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
-import edu.uci.ics.asterix.transaction.management.service.transaction.ITransactionManager;
-import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionContext;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.IOperationCallbackProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.ITupleFilterFactory;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.AbstractTreeIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexRegistryProvider;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOp;
-import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
-
-public class TreeIndexInsertUpdateDeleteOperatorDescriptor extends AbstractTreeIndexOperatorDescriptor {
-
- private static final long serialVersionUID = 1L;
-
- private final int[] fieldPermutation;
-
- private final IndexOp op;
-
- private final long transactionId;
-
- /**
- * TODO: Index operators should live in Hyracks. Right now, they are needed
- * here in Asterix as a hack to provide transactionIDs. The Asterix verions
- * of this operator will disappear and the operator will come from Hyracks
- * once the LSM/Recovery/Transactions world has been introduced.
- */
- public TreeIndexInsertUpdateDeleteOperatorDescriptor(JobSpecification spec, RecordDescriptor recDesc,
- IStorageManagerInterface storageManager, IIndexRegistryProvider<IIndex> indexRegistryProvider,
- IFileSplitProvider fileSplitProvider, ITypeTraits[] typeTraits,
- IBinaryComparatorFactory[] comparatorFactories, int[] fieldPermutation, IndexOp op,
- IIndexDataflowHelperFactory dataflowHelperFactory, ITupleFilterFactory tupleFilterFactory,
- IOperationCallbackProvider opCallbackProvider, long transactionId) {
- super(spec, 1, 1, recDesc, storageManager, indexRegistryProvider, fileSplitProvider, typeTraits,
- comparatorFactories, dataflowHelperFactory, tupleFilterFactory, false, opCallbackProvider);
- this.fieldPermutation = fieldPermutation;
- this.op = op;
- this.transactionId = transactionId;
- }
-
- @Override
- public IOperatorNodePushable createPushRuntime(IHyracksTaskContext ctx,
- IRecordDescriptorProvider recordDescProvider, int partition, int nPartitions) {
- TransactionContext txnContext;
- try {
- ITransactionManager transactionManager = ((AsterixAppRuntimeContext) ctx.getJobletContext()
- .getApplicationContext().getApplicationObject()).getTransactionProvider().getTransactionManager();
- txnContext = transactionManager.getTransactionContext(transactionId);
- } catch (ACIDException ae) {
- throw new RuntimeException(" could not obtain context for invalid transaction id " + transactionId);
- }
- return new TreeIndexInsertUpdateDeleteOperatorNodePushable(txnContext, this, ctx, partition, fieldPermutation,
- recordDescProvider, op);
- }
-}
diff --git a/asterix-hyracks-glue/src/main/java/edu/uci/ics/asterix/runtime/transaction/TreeIndexInsertUpdateDeleteOperatorNodePushable.java b/asterix-hyracks-glue/src/main/java/edu/uci/ics/asterix/runtime/transaction/TreeIndexInsertUpdateDeleteOperatorNodePushable.java
deleted file mode 100644
index 1fd8fee..0000000
--- a/asterix-hyracks-glue/src/main/java/edu/uci/ics/asterix/runtime/transaction/TreeIndexInsertUpdateDeleteOperatorNodePushable.java
+++ /dev/null
@@ -1,214 +0,0 @@
-/*
- * Copyright 2009-2011 by The Regents of the University of California
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * you may obtain a copy of the License from
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package edu.uci.ics.asterix.runtime.transaction;
-
-import java.nio.ByteBuffer;
-
-import edu.uci.ics.asterix.common.context.AsterixAppRuntimeContext;
-import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
-import edu.uci.ics.asterix.transaction.management.resource.ICloseable;
-import edu.uci.ics.asterix.transaction.management.resource.TransactionalResourceRepository;
-import edu.uci.ics.asterix.transaction.management.service.locking.ILockManager;
-import edu.uci.ics.asterix.transaction.management.service.logging.DataUtil;
-import edu.uci.ics.asterix.transaction.management.service.logging.TreeLogger;
-import edu.uci.ics.asterix.transaction.management.service.logging.TreeResourceManager;
-import edu.uci.ics.asterix.transaction.management.service.transaction.IResourceManager;
-import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionContext;
-import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionManagementConstants;
-import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionProvider;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.comm.util.FrameUtils;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.FrameTupleReference;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryInputUnaryOutputOperatorNodePushable;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.ITupleFilter;
-import edu.uci.ics.hyracks.storage.am.common.api.ITupleFilterFactory;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.AbstractTreeIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.PermutingFrameTupleReference;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.TreeIndexDataflowHelper;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOp;
-
-public class TreeIndexInsertUpdateDeleteOperatorNodePushable extends AbstractUnaryInputUnaryOutputOperatorNodePushable {
- private final IHyracksTaskContext ctx;
- private FrameTupleAccessor accessor;
- private TreeIndexDataflowHelper treeIndexHelper;
- private final IRecordDescriptorProvider recordDescProvider;
- private final IndexOp op;
- private final PermutingFrameTupleReference tuple = new PermutingFrameTupleReference();
- private FrameTupleReference frameTuple;
- private ByteBuffer writeBuffer;
- private IIndexAccessor indexAccessor;
- private ILockManager lockManager;
- private final TransactionContext txnContext;
- private TreeLogger treeLogger;
- private ITupleFilter tupleFilter;
- private final TransactionProvider transactionProvider;
-
- /* TODO: Index operators should live in Hyracks. Right now, they are needed here in Asterix
- * as a hack to provide transactionIDs. The Asterix verions of this operator will disappear
- * and the operator will come from Hyracks once the LSM/Recovery/Transactions world has
- * been introduced.
- */
- public TreeIndexInsertUpdateDeleteOperatorNodePushable(TransactionContext txnContext,
- AbstractTreeIndexOperatorDescriptor opDesc, IHyracksTaskContext ctx, int partition, int[] fieldPermutation,
- IRecordDescriptorProvider recordDescProvider, IndexOp op) {
- this.ctx = ctx;
- treeIndexHelper = (TreeIndexDataflowHelper) opDesc.getIndexDataflowHelperFactory().createIndexDataflowHelper(
- opDesc, ctx, partition);
- this.recordDescProvider = recordDescProvider;
- this.op = op;
- tuple.setFieldPermutation(fieldPermutation);
- this.txnContext = txnContext;
- AsterixAppRuntimeContext runtimeContext = (AsterixAppRuntimeContext) ctx.getJobletContext()
- .getApplicationContext().getApplicationObject();
- transactionProvider = runtimeContext.getTransactionProvider();
- }
-
- public void initializeTransactionSupport() {
- TransactionalResourceRepository resourceRepository = transactionProvider.getTransactionalResourceRepository();
- IResourceManager resourceMgr = resourceRepository.getTransactionalResourceMgr(TreeResourceManager.ID);
- if (resourceMgr == null) {
- resourceRepository.registerTransactionalResourceManager(TreeResourceManager.ID, new TreeResourceManager(
- transactionProvider));
- }
- int fileId = treeIndexHelper.getIndexFileId();
- byte[] resourceId = DataUtil.intToByteArray(fileId);
- transactionProvider.getTransactionalResourceRepository().registerTransactionalResource(resourceId,
- treeIndexHelper.getIndex());
- lockManager = transactionProvider.getLockManager();
- treeLogger = transactionProvider.getTreeLoggerRepository().getTreeLogger(resourceId);
- }
-
- @Override
- public void open() throws HyracksDataException {
- AbstractTreeIndexOperatorDescriptor opDesc = (AbstractTreeIndexOperatorDescriptor) treeIndexHelper
- .getOperatorDescriptor();
- RecordDescriptor inputRecDesc = recordDescProvider.getInputRecordDescriptor(opDesc.getActivityId(), 0);
- accessor = new FrameTupleAccessor(treeIndexHelper.getHyracksTaskContext().getFrameSize(), inputRecDesc);
- writeBuffer = treeIndexHelper.getHyracksTaskContext().allocateFrame();
- writer.open();
- try {
- treeIndexHelper.init(false);
- ITreeIndex treeIndex = (ITreeIndex) treeIndexHelper.getIndex();
- indexAccessor = treeIndex.createAccessor();
- ITupleFilterFactory tupleFilterFactory = opDesc.getTupleFilterFactory();
- if (tupleFilterFactory != null) {
- tupleFilter = tupleFilterFactory.createTupleFilter(ctx);
- frameTuple = new FrameTupleReference();
- }
- initializeTransactionSupport();
- } catch (Exception e) {
- // cleanup in case of failure
- treeIndexHelper.deinit();
- throw new HyracksDataException(e);
- }
- }
-
- @Override
- public void nextFrame(ByteBuffer buffer) throws HyracksDataException {
- final IIndex treeIndex = treeIndexHelper.getIndex();
- accessor.reset(buffer);
- int fileId = treeIndexHelper.getIndexFileId();
- byte[] resourceId = DataUtil.intToByteArray(fileId);
- int tupleCount = accessor.getTupleCount();
- try {
- for (int i = 0; i < tupleCount; i++) {
- if (tupleFilter != null) {
- frameTuple.reset(accessor, i);
- if (!tupleFilter.accept(frameTuple)) {
- continue;
- }
- }
- tuple.reset(accessor, i);
- switch (op) {
- case INSERT: {
- lockManager.lock(txnContext, resourceId,
- TransactionManagementConstants.LockManagerConstants.LockMode.EXCLUSIVE);
- indexAccessor.insert(tuple);
- treeLogger.generateLogRecord(transactionProvider, txnContext, op, tuple);
- break;
- }
-
- case DELETE: {
- lockManager.lock(txnContext, resourceId,
- TransactionManagementConstants.LockManagerConstants.LockMode.EXCLUSIVE);
- indexAccessor.delete(tuple);
- treeLogger.generateLogRecord(transactionProvider, txnContext, op, tuple);
- break;
- }
-
- default: {
- throw new HyracksDataException("Unsupported operation " + op
- + " in tree index InsertUpdateDelete operator");
- }
- }
- }
- } catch (ACIDException ae) {
- throw new HyracksDataException("exception in locking/logging during operation " + op + " on tree "
- + treeIndex, ae);
- } catch (Exception e) {
- e.printStackTrace();
- throw new HyracksDataException(e);
- }
-
- // pass a copy of the frame to next op
- System.arraycopy(buffer.array(), 0, writeBuffer.array(), 0, buffer.capacity());
- FrameUtils.flushFrame(writeBuffer, writer);
-
- }
-
- @Override
- public void close() throws HyracksDataException {
- try {
- writer.close();
- } finally {
- txnContext.addCloseableResource(new ICloseable() {
- @Override
- public void close(TransactionContext txnContext) throws ACIDException {
- try {
- treeIndexHelper.deinit();
- } catch (Exception e) {
- throw new ACIDException(txnContext, "could not de-initialize " + treeIndexHelper, e);
- }
- }
- });
- }
- }
-
- @Override
- public void fail() throws HyracksDataException {
- try {
- writer.fail();
- } finally {
- txnContext.addCloseableResource(new ICloseable() {
- @Override
- public void close(TransactionContext txnContext) throws ACIDException {
- try {
- treeIndexHelper.deinit();
- } catch (Exception e) {
- throw new ACIDException(txnContext, "could not de-initialize " + treeIndexHelper, e);
- }
- }
- });
- }
- }
-
-}
diff --git a/asterix-metadata/pom.xml b/asterix-metadata/pom.xml
index ae90e4e..911f55e 100644
--- a/asterix-metadata/pom.xml
+++ b/asterix-metadata/pom.xml
@@ -43,20 +43,34 @@
<scope>compile</scope>
</dependency>
<dependency>
- <groupId>edu.uci.ics.hyracks</groupId>
- <artifactId>hyracks-storage-am-invertedindex</artifactId>
- </dependency>
- <dependency>
- <groupId>edu.uci.ics.hyracks</groupId>
- <artifactId>hyracks-storage-am-rtree</artifactId>
- </dependency>
- <dependency>
- <groupId>edu.uci.ics.asterix</groupId>
- <artifactId>asterix-hyracks-glue</artifactId>
- <version>0.0.4-SNAPSHOT</version>
+ <groupId>org.apache.hadoop</groupId>
+ <artifactId>hadoop-core</artifactId>
+ <version>0.20.2</version>
+ <type>jar</type>
<scope>compile</scope>
</dependency>
<dependency>
+ <groupId>edu.uci.ics.hyracks</groupId>
+ <artifactId>
+ hyracks-storage-am-lsm-invertedindex
+ </artifactId>
+ <version>0.2.3-SNAPSHOT</version>
+ </dependency>
+ <dependency>
+ <groupId>edu.uci.ics.hyracks</groupId>
+ <artifactId>
+ hyracks-storage-am-lsm-btree
+ </artifactId>
+ <version>0.2.3-SNAPSHOT</version>
+ </dependency>
+ <dependency>
+ <groupId>edu.uci.ics.hyracks</groupId>
+ <artifactId>
+ hyracks-storage-am-lsm-rtree
+ </artifactId>
+ <version>0.2.3-SNAPSHOT</version>
+ </dependency>
+ <dependency>
<groupId>org.apache.hadoop</groupId>
<artifactId>hadoop-core</artifactId>
<version>0.20.2</version>
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataCache.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataCache.java
index 66d46f9..0382315 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataCache.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataCache.java
@@ -27,6 +27,7 @@
import edu.uci.ics.asterix.metadata.entities.Datatype;
import edu.uci.ics.asterix.metadata.entities.Dataverse;
import edu.uci.ics.asterix.metadata.entities.Function;
+import edu.uci.ics.asterix.metadata.entities.Index;
import edu.uci.ics.asterix.metadata.entities.NodeGroup;
/**
@@ -40,6 +41,8 @@
protected final Map<String, Dataverse> dataverses = new HashMap<String, Dataverse>();
// Key is dataverse name. Key of value map is dataset name.
protected final Map<String, Map<String, Dataset>> datasets = new HashMap<String, Map<String, Dataset>>();
+ // Key is dataverse name. Key of value map is dataset name. Key of value map of value map is index name.
+ protected final Map<String, Map<String, Map<String, Index>>> indexes = new HashMap<String, Map<String, Map<String, Index>>>();
// Key is dataverse name. Key of value map is datatype name.
protected final Map<String, Map<String, Datatype>> datatypes = new HashMap<String, Map<String, Datatype>>();
// Key is dataverse name.
@@ -79,15 +82,18 @@
synchronized (dataverses) {
synchronized (nodeGroups) {
synchronized (datasets) {
- synchronized (datatypes) {
- synchronized (functions) {
- synchronized (adapters) {
- dataverses.clear();
- nodeGroups.clear();
- datasets.clear();
- datatypes.clear();
- functions.clear();
- adapters.clear();
+ synchronized (indexes) {
+ synchronized (datatypes) {
+ synchronized (functions) {
+ synchronized (adapters) {
+ dataverses.clear();
+ nodeGroups.clear();
+ datasets.clear();
+ indexes.clear();
+ datatypes.clear();
+ functions.clear();
+ adapters.clear();
+ }
}
}
}
@@ -126,6 +132,25 @@
}
}
+ public Object addIndexIfNotExists(Index index) {
+ synchronized (indexes) {
+ Map<String, Map<String, Index>> datasetMap = indexes.get(index.getDataverseName());
+ if (datasetMap == null) {
+ datasetMap = new HashMap<String, Map<String, Index>>();
+ indexes.put(index.getDataverseName(), datasetMap);
+ }
+ Map<String, Index> indexMap = datasetMap.get(index.getDatasetName());
+ if (indexMap == null) {
+ indexMap = new HashMap<String, Index>();
+ datasetMap.put(index.getDatasetName(), indexMap);
+ }
+ if (!indexMap.containsKey(index.getIndexName())) {
+ return indexMap.put(index.getIndexName(), index);
+ }
+ return null;
+ }
+ }
+
public Object addDatatypeIfNotExists(Datatype datatype) {
synchronized (datatypes) {
Map<String, Datatype> m = datatypes.get(datatype.getDataverseName());
@@ -152,21 +177,24 @@
public Object dropDataverse(Dataverse dataverse) {
synchronized (dataverses) {
synchronized (datasets) {
- synchronized (datatypes) {
- synchronized (functions) {
- datasets.remove(dataverse.getDataverseName());
- datatypes.remove(dataverse.getDataverseName());
- adapters.remove(dataverse.getDataverseName());
- List<FunctionSignature> markedFunctionsForRemoval = new ArrayList<FunctionSignature>();
- for (FunctionSignature signature : functions.keySet()) {
- if (signature.getNamespace().equals(dataverse.getDataverseName())) {
- markedFunctionsForRemoval.add(signature);
+ synchronized (indexes) {
+ synchronized (datatypes) {
+ synchronized (functions) {
+ datasets.remove(dataverse.getDataverseName());
+ indexes.remove(dataverse.getDataverseName());
+ datatypes.remove(dataverse.getDataverseName());
+ adapters.remove(dataverse.getDataverseName());
+ List<FunctionSignature> markedFunctionsForRemoval = new ArrayList<FunctionSignature>();
+ for (FunctionSignature signature : functions.keySet()) {
+ if (signature.getNamespace().equals(dataverse.getDataverseName())) {
+ markedFunctionsForRemoval.add(signature);
+ }
}
+ for (FunctionSignature signature : markedFunctionsForRemoval) {
+ functions.remove(signature);
+ }
+ return dataverses.remove(dataverse.getDataverseName());
}
- for (FunctionSignature signature : markedFunctionsForRemoval) {
- functions.remove(signature);
- }
- return dataverses.remove(dataverse.getDataverseName());
}
}
}
@@ -175,11 +203,37 @@
public Object dropDataset(Dataset dataset) {
synchronized (datasets) {
- Map<String, Dataset> m = datasets.get(dataset.getDataverseName());
- if (m == null) {
+ synchronized (indexes) {
+
+ //remove the indexes of the dataset from indexes' cache
+ Map<String, Map<String, Index>> datasetMap = indexes.get(dataset.getDataverseName());
+ if (datasetMap != null) {
+ datasetMap.remove(dataset.getDatasetName());
+ }
+
+ //remove the dataset from datasets' cache
+ Map<String, Dataset> m = datasets.get(dataset.getDataverseName());
+ if (m == null) {
+ return null;
+ }
+ return m.remove(dataset.getDatasetName());
+ }
+ }
+ }
+
+ public Object dropIndex(Index index) {
+ synchronized (indexes) {
+ Map<String, Map<String, Index>> datasetMap = indexes.get(index.getDataverseName());
+ if (datasetMap == null) {
return null;
}
- return m.remove(dataset.getDatasetName());
+
+ Map<String, Index> indexMap = datasetMap.get(index.getDatasetName());
+ if (indexMap == null) {
+ return null;
+ }
+
+ return indexMap.remove(index.getIndexName());
}
}
@@ -214,6 +268,20 @@
return m.get(datasetName);
}
}
+
+ public Index getIndex(String dataverseName, String datasetName, String indexName) {
+ synchronized (indexes) {
+ Map<String, Map<String, Index>> datasetMap = indexes.get(dataverseName);
+ if (datasetMap == null) {
+ return null;
+ }
+ Map<String, Index> indexMap = datasetMap.get(datasetName);
+ if (indexMap == null) {
+ return null;
+ }
+ return indexMap.get(indexName);
+ }
+ }
public Datatype getDatatype(String dataverseName, String datatypeName) {
synchronized (datatypes) {
@@ -311,7 +379,8 @@
DatasourceAdapter adapterObject = adapters.get(adapter.getAdapterIdentifier().getNamespace()).get(
adapter.getAdapterIdentifier().getAdapterName());
if (adapterObject != null) {
- Map<String, DatasourceAdapter> adaptersInDataverse = adapters.get(adapter.getAdapterIdentifier().getNamespace());
+ Map<String, DatasourceAdapter> adaptersInDataverse = adapters.get(adapter.getAdapterIdentifier()
+ .getNamespace());
if (adaptersInDataverse == null) {
adaptersInDataverse = new HashMap<String, DatasourceAdapter>();
adapters.put(adapter.getAdapterIdentifier().getNamespace(), adaptersInDataverse);
@@ -324,7 +393,8 @@
public Object dropAdapter(DatasourceAdapter adapter) {
synchronized (adapters) {
- Map<String, DatasourceAdapter> adaptersInDataverse = adapters.get(adapter.getAdapterIdentifier().getNamespace());
+ Map<String, DatasourceAdapter> adaptersInDataverse = adapters.get(adapter.getAdapterIdentifier()
+ .getNamespace());
if (adaptersInDataverse != null) {
return adaptersInDataverse.remove(adapter.getAdapterIdentifier().getAdapterName());
}
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataManager.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataManager.java
index 9f1b9b5..17cfc9a 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataManager.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataManager.java
@@ -17,14 +17,16 @@
import java.rmi.RemoteException;
import java.util.List;
+import java.util.concurrent.locks.ReadWriteLock;
+import java.util.concurrent.locks.ReentrantReadWriteLock;
import edu.uci.ics.asterix.common.functions.FunctionSignature;
import edu.uci.ics.asterix.metadata.api.IAsterixStateProxy;
import edu.uci.ics.asterix.metadata.api.IMetadataManager;
import edu.uci.ics.asterix.metadata.api.IMetadataNode;
import edu.uci.ics.asterix.metadata.bootstrap.MetadataConstants;
-import edu.uci.ics.asterix.metadata.entities.DatasourceAdapter;
import edu.uci.ics.asterix.metadata.entities.Dataset;
+import edu.uci.ics.asterix.metadata.entities.DatasourceAdapter;
import edu.uci.ics.asterix.metadata.entities.Datatype;
import edu.uci.ics.asterix.metadata.entities.Dataverse;
import edu.uci.ics.asterix.metadata.entities.Function;
@@ -32,7 +34,8 @@
import edu.uci.ics.asterix.metadata.entities.Node;
import edu.uci.ics.asterix.metadata.entities.NodeGroup;
import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
-import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionIDFactory;
+import edu.uci.ics.asterix.transaction.management.service.transaction.JobId;
+import edu.uci.ics.asterix.transaction.management.service.transaction.JobIdFactory;
/**
* Provides access to Asterix metadata via remote methods to the metadata node.
@@ -78,10 +81,10 @@
public class MetadataManager implements IMetadataManager {
// Set in init().
public static MetadataManager INSTANCE;
-
private final MetadataCache cache = new MetadataCache();
private IAsterixStateProxy proxy;
private IMetadataNode metadataNode;
+ private final ReadWriteLock metadataLatch;
public MetadataManager(IAsterixStateProxy proxy) {
if (proxy == null) {
@@ -89,6 +92,7 @@
}
this.proxy = proxy;
this.metadataNode = null;
+ this.metadataLatch = new ReentrantReadWriteLock(true);
}
@Override
@@ -108,36 +112,36 @@
@Override
public MetadataTransactionContext beginTransaction() throws RemoteException, ACIDException {
- long txnId = TransactionIDFactory.generateTransactionId();
- metadataNode.beginTransaction(txnId);
- return new MetadataTransactionContext(txnId);
+ JobId jobId = JobIdFactory.generateJobId();
+ metadataNode.beginTransaction(jobId);
+ return new MetadataTransactionContext(jobId);
}
@Override
public void commitTransaction(MetadataTransactionContext ctx) throws RemoteException, ACIDException {
- metadataNode.commitTransaction(ctx.getTxnId());
+ metadataNode.commitTransaction(ctx.getJobId());
cache.commit(ctx);
}
@Override
public void abortTransaction(MetadataTransactionContext ctx) throws RemoteException, ACIDException {
- metadataNode.abortTransaction(ctx.getTxnId());
+ metadataNode.abortTransaction(ctx.getJobId());
}
@Override
- public void lock(MetadataTransactionContext ctx, int lockMode) throws RemoteException, ACIDException {
- metadataNode.lock(ctx.getTxnId(), lockMode);
+ public void lock(MetadataTransactionContext ctx, byte lockMode) throws RemoteException, ACIDException {
+ metadataNode.lock(ctx.getJobId(), lockMode);
}
@Override
public void unlock(MetadataTransactionContext ctx) throws RemoteException, ACIDException {
- metadataNode.unlock(ctx.getTxnId());
+ metadataNode.unlock(ctx.getJobId());
}
@Override
public void addDataverse(MetadataTransactionContext ctx, Dataverse dataverse) throws MetadataException {
try {
- metadataNode.addDataverse(ctx.getTxnId(), dataverse);
+ metadataNode.addDataverse(ctx.getJobId(), dataverse);
} catch (RemoteException e) {
throw new MetadataException(e);
}
@@ -147,7 +151,7 @@
@Override
public void dropDataverse(MetadataTransactionContext ctx, String dataverseName) throws MetadataException {
try {
- metadataNode.dropDataverse(ctx.getTxnId(), dataverseName);
+ metadataNode.dropDataverse(ctx.getJobId(), dataverseName);
} catch (RemoteException e) {
throw new MetadataException(e);
}
@@ -155,6 +159,15 @@
}
@Override
+ public List<Dataverse> getDataverses(MetadataTransactionContext ctx) throws MetadataException {
+ try {
+ return metadataNode.getDataverses(ctx.getJobId());
+ } catch (RemoteException e) {
+ throw new MetadataException(e);
+ }
+ }
+
+ @Override
public Dataverse getDataverse(MetadataTransactionContext ctx, String dataverseName) throws MetadataException {
// First look in the context to see if this transaction created the
// requested dataverse itself (but the dataverse is still uncommitted).
@@ -175,7 +188,7 @@
return dataverse;
}
try {
- dataverse = metadataNode.getDataverse(ctx.getTxnId(), dataverseName);
+ dataverse = metadataNode.getDataverse(ctx.getJobId(), dataverseName);
} catch (RemoteException e) {
throw new MetadataException(e);
}
@@ -194,7 +207,7 @@
try {
// Assuming that the transaction can read its own writes on the
// metadata node.
- dataverseDatasets = metadataNode.getDataverseDatasets(ctx.getTxnId(), dataverseName);
+ dataverseDatasets = metadataNode.getDataverseDatasets(ctx.getJobId(), dataverseName);
} catch (RemoteException e) {
throw new MetadataException(e);
}
@@ -205,11 +218,14 @@
@Override
public void addDataset(MetadataTransactionContext ctx, Dataset dataset) throws MetadataException {
+ // add dataset into metadataNode
try {
- metadataNode.addDataset(ctx.getTxnId(), dataset);
+ metadataNode.addDataset(ctx.getJobId(), dataset);
} catch (RemoteException e) {
throw new MetadataException(e);
}
+
+ // reflect the dataset into the cache
ctx.addDataset(dataset);
}
@@ -217,7 +233,7 @@
public void dropDataset(MetadataTransactionContext ctx, String dataverseName, String datasetName)
throws MetadataException {
try {
- metadataNode.dropDataset(ctx.getTxnId(), dataverseName, datasetName);
+ metadataNode.dropDataset(ctx.getJobId(), dataverseName, datasetName);
} catch (RemoteException e) {
throw new MetadataException(e);
}
@@ -227,6 +243,7 @@
@Override
public Dataset getDataset(MetadataTransactionContext ctx, String dataverseName, String datasetName)
throws MetadataException {
+
// First look in the context to see if this transaction created the
// requested dataset itself (but the dataset is still uncommitted).
Dataset dataset = ctx.getDataset(dataverseName, datasetName);
@@ -253,7 +270,7 @@
return dataset;
}
try {
- dataset = metadataNode.getDataset(ctx.getTxnId(), dataverseName, datasetName);
+ dataset = metadataNode.getDataset(ctx.getJobId(), dataverseName, datasetName);
} catch (RemoteException e) {
throw new MetadataException(e);
}
@@ -270,7 +287,7 @@
throws MetadataException {
List<Index> datsetIndexes;
try {
- datsetIndexes = metadataNode.getDatasetIndexes(ctx.getTxnId(), dataverseName, datasetName);
+ datsetIndexes = metadataNode.getDatasetIndexes(ctx.getJobId(), dataverseName, datasetName);
} catch (RemoteException e) {
throw new MetadataException(e);
}
@@ -280,7 +297,7 @@
@Override
public void addDatatype(MetadataTransactionContext ctx, Datatype datatype) throws MetadataException {
try {
- metadataNode.addDatatype(ctx.getTxnId(), datatype);
+ metadataNode.addDatatype(ctx.getJobId(), datatype);
} catch (RemoteException e) {
throw new MetadataException(e);
}
@@ -291,7 +308,7 @@
public void dropDatatype(MetadataTransactionContext ctx, String dataverseName, String datatypeName)
throws MetadataException {
try {
- metadataNode.dropDatatype(ctx.getTxnId(), dataverseName, datatypeName);
+ metadataNode.dropDatatype(ctx.getJobId(), dataverseName, datatypeName);
} catch (RemoteException e) {
throw new MetadataException(e);
}
@@ -327,7 +344,7 @@
return datatype;
}
try {
- datatype = metadataNode.getDatatype(ctx.getTxnId(), dataverseName, datatypeName);
+ datatype = metadataNode.getDatatype(ctx.getJobId(), dataverseName, datatypeName);
} catch (RemoteException e) {
throw new MetadataException(e);
}
@@ -342,16 +359,17 @@
@Override
public void addIndex(MetadataTransactionContext ctx, Index index) throws MetadataException {
try {
- metadataNode.addIndex(ctx.getTxnId(), index);
+ metadataNode.addIndex(ctx.getJobId(), index);
} catch (RemoteException e) {
throw new MetadataException(e);
}
+ ctx.addIndex(index);
}
@Override
public void addAdapter(MetadataTransactionContext mdTxnCtx, DatasourceAdapter adapter) throws MetadataException {
try {
- metadataNode.addAdapter(mdTxnCtx.getTxnId(), adapter);
+ metadataNode.addAdapter(mdTxnCtx.getJobId(), adapter);
} catch (RemoteException e) {
throw new MetadataException(e);
}
@@ -363,26 +381,62 @@
public void dropIndex(MetadataTransactionContext ctx, String dataverseName, String datasetName, String indexName)
throws MetadataException {
try {
- metadataNode.dropIndex(ctx.getTxnId(), dataverseName, datasetName, indexName);
+ metadataNode.dropIndex(ctx.getJobId(), dataverseName, datasetName, indexName);
} catch (RemoteException e) {
throw new MetadataException(e);
}
+ ctx.dropIndex(dataverseName, datasetName, indexName);
}
@Override
public Index getIndex(MetadataTransactionContext ctx, String dataverseName, String datasetName, String indexName)
throws MetadataException {
+
+ // First look in the context to see if this transaction created the
+ // requested index itself (but the index is still uncommitted).
+ Index index = ctx.getIndex(dataverseName, datasetName, indexName);
+ if (index != null) {
+ // Don't add this index to the cache, since it is still
+ // uncommitted.
+ return index;
+ }
+
+ if (ctx.indexIsDropped(dataverseName, datasetName, indexName)) {
+ // Index has been dropped by this transaction but could still be
+ // in the cache.
+ return null;
+ }
+
+ //TODO
+ //check what this is for?
+ if (!MetadataConstants.METADATA_DATAVERSE_NAME.equals(dataverseName) && ctx.getDataverse(dataverseName) != null) {
+ // This transaction has dropped and subsequently created the same
+ // dataverse.
+ return null;
+ }
+
+ index = cache.getIndex(dataverseName, datasetName, indexName);
+ if (index != null) {
+ // Index is already in the cache, don't add it again.
+ return index;
+ }
try {
- return metadataNode.getIndex(ctx.getTxnId(), dataverseName, datasetName, indexName);
+ index = metadataNode.getIndex(ctx.getJobId(), dataverseName, datasetName, indexName);
} catch (RemoteException e) {
throw new MetadataException(e);
}
+ // We fetched the index from the MetadataNode. Add it to the cache
+ // when this transaction commits.
+ if (index != null) {
+ ctx.addIndex(index);
+ }
+ return index;
}
@Override
public void addNode(MetadataTransactionContext ctx, Node node) throws MetadataException {
try {
- metadataNode.addNode(ctx.getTxnId(), node);
+ metadataNode.addNode(ctx.getJobId(), node);
} catch (RemoteException e) {
throw new MetadataException(e);
}
@@ -391,7 +445,7 @@
@Override
public void addNodegroup(MetadataTransactionContext ctx, NodeGroup nodeGroup) throws MetadataException {
try {
- metadataNode.addNodeGroup(ctx.getTxnId(), nodeGroup);
+ metadataNode.addNodeGroup(ctx.getJobId(), nodeGroup);
} catch (RemoteException e) {
throw new MetadataException(e);
}
@@ -401,7 +455,7 @@
@Override
public void dropNodegroup(MetadataTransactionContext ctx, String nodeGroupName) throws MetadataException {
try {
- metadataNode.dropNodegroup(ctx.getTxnId(), nodeGroupName);
+ metadataNode.dropNodegroup(ctx.getJobId(), nodeGroupName);
} catch (RemoteException e) {
throw new MetadataException(e);
}
@@ -429,7 +483,7 @@
return nodeGroup;
}
try {
- nodeGroup = metadataNode.getNodeGroup(ctx.getTxnId(), nodeGroupName);
+ nodeGroup = metadataNode.getNodeGroup(ctx.getJobId(), nodeGroupName);
} catch (RemoteException e) {
throw new MetadataException(e);
}
@@ -444,7 +498,7 @@
@Override
public void addFunction(MetadataTransactionContext mdTxnCtx, Function function) throws MetadataException {
try {
- metadataNode.addFunction(mdTxnCtx.getTxnId(), function);
+ metadataNode.addFunction(mdTxnCtx.getJobId(), function);
} catch (RemoteException e) {
throw new MetadataException(e);
}
@@ -455,7 +509,7 @@
public void dropFunction(MetadataTransactionContext ctx, FunctionSignature functionSignature)
throws MetadataException {
try {
- metadataNode.dropFunction(ctx.getTxnId(), functionSignature);
+ metadataNode.dropFunction(ctx.getJobId(), functionSignature);
} catch (RemoteException e) {
throw new MetadataException(e);
}
@@ -489,7 +543,7 @@
return function;
}
try {
- function = metadataNode.getFunction(ctx.getTxnId(), functionSignature);
+ function = metadataNode.getFunction(ctx.getJobId(), functionSignature);
} catch (RemoteException e) {
throw new MetadataException(e);
}
@@ -503,13 +557,22 @@
}
@Override
+ public void initializeDatasetIdFactory(MetadataTransactionContext ctx) throws MetadataException {
+ try {
+ metadataNode.initializeDatasetIdFactory(ctx.getJobId());
+ } catch (RemoteException e) {
+ throw new MetadataException(e);
+ }
+ }
+
+ @Override
public List<Function> getDataverseFunctions(MetadataTransactionContext ctx, String dataverseName)
throws MetadataException {
List<Function> dataverseFunctions;
try {
// Assuming that the transaction can read its own writes on the
// metadata node.
- dataverseFunctions = metadataNode.getDataverseFunctions(ctx.getTxnId(), dataverseName);
+ dataverseFunctions = metadataNode.getDataverseFunctions(ctx.getJobId(), dataverseName);
} catch (RemoteException e) {
throw new MetadataException(e);
}
@@ -521,7 +584,7 @@
@Override
public void dropAdapter(MetadataTransactionContext ctx, String dataverseName, String name) throws MetadataException {
try {
- metadataNode.dropAdapter(ctx.getTxnId(), dataverseName, name);
+ metadataNode.dropAdapter(ctx.getJobId(), dataverseName, name);
} catch (RemoteException e) {
throw new MetadataException(e);
}
@@ -532,11 +595,31 @@
throws MetadataException {
DatasourceAdapter adapter = null;
try {
- adapter = metadataNode.getAdapter(ctx.getTxnId(), dataverseName, name);
+ adapter = metadataNode.getAdapter(ctx.getJobId(), dataverseName, name);
} catch (RemoteException e) {
throw new MetadataException(e);
}
return adapter;
}
+ @Override
+ public void acquireWriteLatch() {
+ metadataLatch.writeLock().lock();
+ }
+
+ @Override
+ public void releaseWriteLatch() {
+ metadataLatch.writeLock().unlock();
+ }
+
+ @Override
+ public void acquireReadLatch() {
+ metadataLatch.readLock().lock();
+ }
+
+ @Override
+ public void releaseReadLatch() {
+ metadataLatch.readLock().unlock();
+ }
+
}
\ No newline at end of file
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataNode.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataNode.java
index 120f1a5..1d04cd7 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataNode.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataNode.java
@@ -30,8 +30,8 @@
import edu.uci.ics.asterix.metadata.api.IValueExtractor;
import edu.uci.ics.asterix.metadata.bootstrap.MetadataPrimaryIndexes;
import edu.uci.ics.asterix.metadata.bootstrap.MetadataSecondaryIndexes;
-import edu.uci.ics.asterix.metadata.entities.DatasourceAdapter;
import edu.uci.ics.asterix.metadata.entities.Dataset;
+import edu.uci.ics.asterix.metadata.entities.DatasourceAdapter;
import edu.uci.ics.asterix.metadata.entities.Datatype;
import edu.uci.ics.asterix.metadata.entities.Dataverse;
import edu.uci.ics.asterix.metadata.entities.Function;
@@ -39,8 +39,8 @@
import edu.uci.ics.asterix.metadata.entities.InternalDatasetDetails;
import edu.uci.ics.asterix.metadata.entities.Node;
import edu.uci.ics.asterix.metadata.entities.NodeGroup;
-import edu.uci.ics.asterix.metadata.entitytupletranslators.DatasourceAdapterTupleTranslator;
import edu.uci.ics.asterix.metadata.entitytupletranslators.DatasetTupleTranslator;
+import edu.uci.ics.asterix.metadata.entitytupletranslators.DatasourceAdapterTupleTranslator;
import edu.uci.ics.asterix.metadata.entitytupletranslators.DatatypeTupleTranslator;
import edu.uci.ics.asterix.metadata.entitytupletranslators.DataverseTupleTranslator;
import edu.uci.ics.asterix.metadata.entitytupletranslators.FunctionTupleTranslator;
@@ -56,9 +56,14 @@
import edu.uci.ics.asterix.om.base.AString;
import edu.uci.ics.asterix.om.types.BuiltinType;
import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
+import edu.uci.ics.asterix.transaction.management.opcallbacks.PrimaryIndexModificationOperationCallback;
+import edu.uci.ics.asterix.transaction.management.opcallbacks.SecondaryIndexModificationOperationCallback;
+import edu.uci.ics.asterix.transaction.management.service.transaction.DatasetId;
+import edu.uci.ics.asterix.transaction.management.service.transaction.DatasetIdFactory;
+import edu.uci.ics.asterix.transaction.management.service.transaction.IResourceManager.ResourceType;
+import edu.uci.ics.asterix.transaction.management.service.transaction.JobId;
import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionContext;
-import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionManagementConstants.LockManagerConstants.LockMode;
-import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionProvider;
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionSubsystem;
import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
@@ -66,28 +71,27 @@
import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleReference;
import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeLeafFrame;
import edu.uci.ics.hyracks.storage.am.btree.exceptions.BTreeDuplicateKeyException;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTreeRangeSearchCursor;
import edu.uci.ics.hyracks.storage.am.btree.impls.RangePredicate;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexAccessor;
+import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
+import edu.uci.ics.hyracks.storage.am.common.api.IIndexAccessor;
+import edu.uci.ics.hyracks.storage.am.common.api.IIndexCursor;
+import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManager;
+import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallback;
import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrame;
import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IndexRegistry;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOp;
+import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndex;
public class MetadataNode implements IMetadataNode {
private static final long serialVersionUID = 1L;
- // TODO: Temporary transactional resource id for metadata.
- private static final byte[] metadataResourceId = MetadataNode.class.toString().getBytes();
+ private static final DatasetId METADATA_DATASET_ID = new DatasetId(MetadataPrimaryIndexes.METADATA_DATASET_ID);
- private IndexRegistry<IIndex> indexRegistry;
- private TransactionProvider transactionProvider;
+ private IIndexLifecycleManager indexLifecycleManager;
+ private TransactionSubsystem transactionSubsystem;
public static final MetadataNode INSTANCE = new MetadataNode();
@@ -96,26 +100,26 @@
}
public void initialize(AsterixAppRuntimeContext runtimeContext) {
- this.transactionProvider = runtimeContext.getTransactionProvider();
- this.indexRegistry = runtimeContext.getIndexRegistry();
+ this.transactionSubsystem = runtimeContext.getTransactionSubsystem();
+ this.indexLifecycleManager = runtimeContext.getIndexLifecycleManager();
}
@Override
- public void beginTransaction(long transactionId) throws ACIDException, RemoteException {
- transactionProvider.getTransactionManager().beginTransaction(transactionId);
+ public void beginTransaction(JobId transactionId) throws ACIDException, RemoteException {
+ transactionSubsystem.getTransactionManager().beginTransaction(transactionId);
}
@Override
- public void commitTransaction(long txnId) throws RemoteException, ACIDException {
- TransactionContext txnCtx = transactionProvider.getTransactionManager().getTransactionContext(txnId);
- transactionProvider.getTransactionManager().commitTransaction(txnCtx);
+ public void commitTransaction(JobId jobId) throws RemoteException, ACIDException {
+ TransactionContext txnCtx = transactionSubsystem.getTransactionManager().getTransactionContext(jobId);
+ transactionSubsystem.getTransactionManager().commitTransaction(txnCtx, new DatasetId(-1), -1);
}
@Override
- public void abortTransaction(long txnId) throws RemoteException, ACIDException {
+ public void abortTransaction(JobId jobId) throws RemoteException, ACIDException {
try {
- TransactionContext txnCtx = transactionProvider.getTransactionManager().getTransactionContext(txnId);
- transactionProvider.getTransactionManager().abortTransaction(txnCtx);
+ TransactionContext txnCtx = transactionSubsystem.getTransactionManager().getTransactionContext(jobId);
+ transactionSubsystem.getTransactionManager().abortTransaction(txnCtx, new DatasetId(-1), -1);
} catch (ACIDException e) {
e.printStackTrace();
throw e;
@@ -123,23 +127,23 @@
}
@Override
- public boolean lock(long txnId, int lockMode) throws ACIDException, RemoteException {
- TransactionContext txnCtx = transactionProvider.getTransactionManager().getTransactionContext(txnId);
- return transactionProvider.getLockManager().lock(txnCtx, metadataResourceId, lockMode);
+ public void lock(JobId jobId, byte lockMode) throws ACIDException, RemoteException {
+ TransactionContext txnCtx = transactionSubsystem.getTransactionManager().getTransactionContext(jobId);
+ transactionSubsystem.getLockManager().lock(METADATA_DATASET_ID, -1, lockMode, txnCtx);
}
@Override
- public boolean unlock(long txnId) throws ACIDException, RemoteException {
- TransactionContext txnCtx = transactionProvider.getTransactionManager().getTransactionContext(txnId);
- return transactionProvider.getLockManager().unlock(txnCtx, metadataResourceId);
+ public void unlock(JobId jobId) throws ACIDException, RemoteException {
+ TransactionContext txnCtx = transactionSubsystem.getTransactionManager().getTransactionContext(jobId);
+ transactionSubsystem.getLockManager().unlock(METADATA_DATASET_ID, -1, txnCtx);
}
@Override
- public void addDataverse(long txnId, Dataverse dataverse) throws MetadataException, RemoteException {
+ public void addDataverse(JobId jobId, Dataverse dataverse) throws MetadataException, RemoteException {
try {
DataverseTupleTranslator tupleReaderWriter = new DataverseTupleTranslator(true);
ITupleReference tuple = tupleReaderWriter.getTupleFromMetadataEntity(dataverse);
- insertTupleIntoIndex(txnId, MetadataPrimaryIndexes.DATAVERSE_DATASET, tuple);
+ insertTupleIntoIndex(jobId, MetadataPrimaryIndexes.DATAVERSE_DATASET, tuple);
} catch (BTreeDuplicateKeyException e) {
throw new MetadataException("A dataverse with this name " + dataverse.getDataverseName()
+ " already exists.", e);
@@ -149,26 +153,27 @@
}
@Override
- public void addDataset(long txnId, Dataset dataset) throws MetadataException, RemoteException {
+ public void addDataset(JobId jobId, Dataset dataset) throws MetadataException, RemoteException {
try {
// Insert into the 'dataset' dataset.
DatasetTupleTranslator tupleReaderWriter = new DatasetTupleTranslator(true);
ITupleReference datasetTuple = tupleReaderWriter.getTupleFromMetadataEntity(dataset);
- insertTupleIntoIndex(txnId, MetadataPrimaryIndexes.DATASET_DATASET, datasetTuple);
+ insertTupleIntoIndex(jobId, MetadataPrimaryIndexes.DATASET_DATASET, datasetTuple);
if (dataset.getDatasetType() == DatasetType.INTERNAL || dataset.getDatasetType() == DatasetType.FEED) {
// Add the primary index for the dataset.
InternalDatasetDetails id = (InternalDatasetDetails) dataset.getDatasetDetails();
Index primaryIndex = new Index(dataset.getDataverseName(), dataset.getDatasetName(),
- dataset.getDatasetName(), IndexType.BTREE, id.getPrimaryKey(), true);
- addIndex(txnId, primaryIndex);
+ dataset.getDatasetName(), IndexType.BTREE, id.getPrimaryKey(), true, dataset.getPendingOp());
+
+ addIndex(jobId, primaryIndex);
ITupleReference nodeGroupTuple = createTuple(id.getNodeGroupName(), dataset.getDataverseName(),
dataset.getDatasetName());
- insertTupleIntoIndex(txnId, MetadataSecondaryIndexes.GROUPNAME_ON_DATASET_INDEX, nodeGroupTuple);
+ insertTupleIntoIndex(jobId, MetadataSecondaryIndexes.GROUPNAME_ON_DATASET_INDEX, nodeGroupTuple);
}
// Add entry in datatype secondary index.
ITupleReference dataTypeTuple = createTuple(dataset.getDataverseName(), dataset.getItemTypeName(),
dataset.getDatasetName());
- insertTupleIntoIndex(txnId, MetadataSecondaryIndexes.DATATYPENAME_ON_DATASET_INDEX, dataTypeTuple);
+ insertTupleIntoIndex(jobId, MetadataSecondaryIndexes.DATATYPENAME_ON_DATASET_INDEX, dataTypeTuple);
} catch (BTreeDuplicateKeyException e) {
throw new MetadataException("A dataset with this name " + dataset.getDatasetName()
+ " already exists in dataverse '" + dataset.getDataverseName() + "'.", e);
@@ -178,11 +183,11 @@
}
@Override
- public void addIndex(long txnId, Index index) throws MetadataException, RemoteException {
+ public void addIndex(JobId jobId, Index index) throws MetadataException, RemoteException {
try {
IndexTupleTranslator tupleWriter = new IndexTupleTranslator(true);
ITupleReference tuple = tupleWriter.getTupleFromMetadataEntity(index);
- insertTupleIntoIndex(txnId, MetadataPrimaryIndexes.INDEX_DATASET, tuple);
+ insertTupleIntoIndex(jobId, MetadataPrimaryIndexes.INDEX_DATASET, tuple);
} catch (BTreeDuplicateKeyException e) {
throw new MetadataException("An index with name '" + index.getIndexName() + "' already exists.", e);
} catch (Exception e) {
@@ -191,11 +196,11 @@
}
@Override
- public void addNode(long txnId, Node node) throws MetadataException, RemoteException {
+ public void addNode(JobId jobId, Node node) throws MetadataException, RemoteException {
try {
NodeTupleTranslator tupleReaderWriter = new NodeTupleTranslator(true);
ITupleReference tuple = tupleReaderWriter.getTupleFromMetadataEntity(node);
- insertTupleIntoIndex(txnId, MetadataPrimaryIndexes.NODE_DATASET, tuple);
+ insertTupleIntoIndex(jobId, MetadataPrimaryIndexes.NODE_DATASET, tuple);
} catch (BTreeDuplicateKeyException e) {
throw new MetadataException("A node with name '" + node.getNodeName() + "' already exists.", e);
} catch (Exception e) {
@@ -204,11 +209,11 @@
}
@Override
- public void addNodeGroup(long txnId, NodeGroup nodeGroup) throws MetadataException, RemoteException {
+ public void addNodeGroup(JobId jobId, NodeGroup nodeGroup) throws MetadataException, RemoteException {
try {
NodeGroupTupleTranslator tupleReaderWriter = new NodeGroupTupleTranslator(true);
ITupleReference tuple = tupleReaderWriter.getTupleFromMetadataEntity(nodeGroup);
- insertTupleIntoIndex(txnId, MetadataPrimaryIndexes.NODEGROUP_DATASET, tuple);
+ insertTupleIntoIndex(jobId, MetadataPrimaryIndexes.NODEGROUP_DATASET, tuple);
} catch (BTreeDuplicateKeyException e) {
throw new MetadataException("A nodegroup with name '" + nodeGroup.getNodeGroupName() + "' already exists.",
e);
@@ -218,11 +223,11 @@
}
@Override
- public void addDatatype(long txnId, Datatype datatype) throws MetadataException, RemoteException {
+ public void addDatatype(JobId jobId, Datatype datatype) throws MetadataException, RemoteException {
try {
- DatatypeTupleTranslator tupleReaderWriter = new DatatypeTupleTranslator(txnId, this, true);
+ DatatypeTupleTranslator tupleReaderWriter = new DatatypeTupleTranslator(jobId, this, true);
ITupleReference tuple = tupleReaderWriter.getTupleFromMetadataEntity(datatype);
- insertTupleIntoIndex(txnId, MetadataPrimaryIndexes.DATATYPE_DATASET, tuple);
+ insertTupleIntoIndex(jobId, MetadataPrimaryIndexes.DATATYPE_DATASET, tuple);
} catch (BTreeDuplicateKeyException e) {
throw new MetadataException("A datatype with name '" + datatype.getDatatypeName() + "' already exists.", e);
} catch (Exception e) {
@@ -231,12 +236,12 @@
}
@Override
- public void addFunction(long txnId, Function function) throws MetadataException, RemoteException {
+ public void addFunction(JobId jobId, Function function) throws MetadataException, RemoteException {
try {
// Insert into the 'function' dataset.
FunctionTupleTranslator tupleReaderWriter = new FunctionTupleTranslator(true);
ITupleReference functionTuple = tupleReaderWriter.getTupleFromMetadataEntity(function);
- insertTupleIntoIndex(txnId, MetadataPrimaryIndexes.FUNCTION_DATASET, functionTuple);
+ insertTupleIntoIndex(jobId, MetadataPrimaryIndexes.FUNCTION_DATASET, functionTuple);
} catch (BTreeDuplicateKeyException e) {
throw new MetadataException("A function with this name " + function.getName() + " and arity "
@@ -246,65 +251,85 @@
}
}
- public void insertIntoDatatypeSecondaryIndex(long txnId, String dataverseName, String nestedTypeName,
+ public void insertIntoDatatypeSecondaryIndex(JobId jobId, String dataverseName, String nestedTypeName,
String topTypeName) throws Exception {
ITupleReference tuple = createTuple(dataverseName, nestedTypeName, topTypeName);
- insertTupleIntoIndex(txnId, MetadataSecondaryIndexes.DATATYPENAME_ON_DATATYPE_INDEX, tuple);
+ insertTupleIntoIndex(jobId, MetadataSecondaryIndexes.DATATYPENAME_ON_DATATYPE_INDEX, tuple);
}
- private void insertTupleIntoIndex(long txnId, IMetadataIndex index, ITupleReference tuple) throws Exception {
- int fileId = index.getFileId();
- BTree btree = (BTree) indexRegistry.get(fileId);
- btree.open(fileId);
- ITreeIndexAccessor indexAccessor = btree.createAccessor();
- TransactionContext txnCtx = transactionProvider.getTransactionManager().getTransactionContext(txnId);
- transactionProvider.getLockManager().lock(txnCtx, index.getResourceId(), LockMode.EXCLUSIVE);
+ private void insertTupleIntoIndex(JobId jobId, IMetadataIndex metadataIndex, ITupleReference tuple)
+ throws Exception {
+ long resourceID = metadataIndex.getResourceID();
+ ILSMIndex lsmIndex = (ILSMIndex) indexLifecycleManager.getIndex(resourceID);
+ indexLifecycleManager.open(resourceID);
+
+ //prepare a Callback for logging
+ IModificationOperationCallback modCallback = createIndexModificationCallback(jobId, resourceID, metadataIndex,
+ lsmIndex, IndexOperation.INSERT);
+
+ IIndexAccessor indexAccessor = lsmIndex.createAccessor(modCallback, NoOpOperationCallback.INSTANCE);
+
// TODO: fix exceptions once new BTree exception model is in hyracks.
indexAccessor.insert(tuple);
- index.getTreeLogger().generateLogRecord(transactionProvider, txnCtx, IndexOp.INSERT, tuple);
+
+ indexLifecycleManager.close(resourceID);
+ }
+
+ private IModificationOperationCallback createIndexModificationCallback(JobId jobId, long resourceId,
+ IMetadataIndex metadataIndex, ILSMIndex lsmIndex, IndexOperation indexOp) throws Exception {
+ TransactionContext txnCtx = transactionSubsystem.getTransactionManager().getTransactionContext(jobId);
+
+ if (metadataIndex.isPrimaryIndex()) {
+ return new PrimaryIndexModificationOperationCallback(metadataIndex.getDatasetId().getId(),
+ metadataIndex.getPrimaryKeyIndexes(), txnCtx, transactionSubsystem.getLockManager(),
+ transactionSubsystem, resourceId, ResourceType.LSM_BTREE, indexOp);
+ } else {
+ return new SecondaryIndexModificationOperationCallback(metadataIndex.getDatasetId().getId(),
+ metadataIndex.getPrimaryKeyIndexes(), txnCtx, transactionSubsystem.getLockManager(),
+ transactionSubsystem, resourceId, ResourceType.LSM_BTREE, indexOp);
+ }
}
@Override
- public void dropDataverse(long txnId, String dataverseName) throws MetadataException, RemoteException {
+ public void dropDataverse(JobId jobId, String dataverseName) throws MetadataException, RemoteException {
try {
List<Dataset> dataverseDatasets;
- // As a side effect, acquires an S lock on the 'dataset' dataset
- // on behalf of txnId.
- dataverseDatasets = getDataverseDatasets(txnId, dataverseName);
+
+ dataverseDatasets = getDataverseDatasets(jobId, dataverseName);
if (dataverseDatasets != null && dataverseDatasets.size() > 0) {
// Drop all datasets in this dataverse.
for (int i = 0; i < dataverseDatasets.size(); i++) {
- dropDataset(txnId, dataverseName, dataverseDatasets.get(i).getDatasetName());
+ dropDataset(jobId, dataverseName, dataverseDatasets.get(i).getDatasetName());
}
}
List<Datatype> dataverseDatatypes;
// As a side effect, acquires an S lock on the 'datatype' dataset
// on behalf of txnId.
- dataverseDatatypes = getDataverseDatatypes(txnId, dataverseName);
+ dataverseDatatypes = getDataverseDatatypes(jobId, dataverseName);
if (dataverseDatatypes != null && dataverseDatatypes.size() > 0) {
// Drop all types in this dataverse.
for (int i = 0; i < dataverseDatatypes.size(); i++) {
- forceDropDatatype(txnId, dataverseName, dataverseDatatypes.get(i).getDatatypeName());
+ forceDropDatatype(jobId, dataverseName, dataverseDatatypes.get(i).getDatatypeName());
}
}
// As a side effect, acquires an S lock on the 'Function' dataset
// on behalf of txnId.
- List<Function> dataverseFunctions = getDataverseFunctions(txnId, dataverseName);
+ List<Function> dataverseFunctions = getDataverseFunctions(jobId, dataverseName);
if (dataverseFunctions != null && dataverseFunctions.size() > 0) {
// Drop all functions in this dataverse.
for (Function function : dataverseFunctions) {
- dropFunction(txnId, new FunctionSignature(dataverseName, function.getName(), function.getArity()));
+ dropFunction(jobId, new FunctionSignature(dataverseName, function.getName(), function.getArity()));
}
}
// As a side effect, acquires an S lock on the 'Adapter' dataset
// on behalf of txnId.
- List<DatasourceAdapter> dataverseAdapters = getDataverseAdapters(txnId, dataverseName);
+ List<DatasourceAdapter> dataverseAdapters = getDataverseAdapters(jobId, dataverseName);
if (dataverseAdapters != null && dataverseAdapters.size() > 0) {
// Drop all functions in this dataverse.
for (DatasourceAdapter adapter : dataverseAdapters) {
- dropAdapter(txnId, dataverseName, adapter.getAdapterIdentifier().getAdapterName());
+ dropAdapter(jobId, dataverseName, adapter.getAdapterIdentifier().getAdapterName());
}
}
@@ -312,8 +337,9 @@
ITupleReference searchKey = createTuple(dataverseName);
// As a side effect, acquires an S lock on the 'dataverse' dataset
// on behalf of txnId.
- ITupleReference tuple = getTupleToBeDeleted(txnId, MetadataPrimaryIndexes.DATAVERSE_DATASET, searchKey);
- deleteTupleFromIndex(txnId, MetadataPrimaryIndexes.DATAVERSE_DATASET, tuple);
+ ITupleReference tuple = getTupleToBeDeleted(jobId, MetadataPrimaryIndexes.DATAVERSE_DATASET, searchKey);
+ deleteTupleFromIndex(jobId, MetadataPrimaryIndexes.DATAVERSE_DATASET, tuple);
+
// TODO: Change this to be a BTree specific exception, e.g.,
// BTreeKeyDoesNotExistException.
} catch (TreeIndexException e) {
@@ -324,11 +350,11 @@
}
@Override
- public void dropDataset(long txnId, String dataverseName, String datasetName) throws MetadataException,
+ public void dropDataset(JobId jobId, String dataverseName, String datasetName) throws MetadataException,
RemoteException {
Dataset dataset;
try {
- dataset = getDataset(txnId, dataverseName, datasetName);
+ dataset = getDataset(jobId, dataverseName, datasetName);
} catch (Exception e) {
throw new MetadataException(e);
}
@@ -340,50 +366,63 @@
ITupleReference searchKey = createTuple(dataverseName, datasetName);
// Searches the index for the tuple to be deleted. Acquires an S
// lock on the 'dataset' dataset.
- ITupleReference datasetTuple = getTupleToBeDeleted(txnId, MetadataPrimaryIndexes.DATASET_DATASET, searchKey);
- deleteTupleFromIndex(txnId, MetadataPrimaryIndexes.DATASET_DATASET, datasetTuple);
+ try {
+ ITupleReference datasetTuple = getTupleToBeDeleted(jobId, MetadataPrimaryIndexes.DATASET_DATASET,
+ searchKey);
+ deleteTupleFromIndex(jobId, MetadataPrimaryIndexes.DATASET_DATASET, datasetTuple);
+ } catch (TreeIndexException tie) {
+ //ignore this exception and continue deleting all relevant artifacts.
+ }
+
// Delete entry from secondary index 'group'.
if (dataset.getDatasetType() == DatasetType.INTERNAL || dataset.getDatasetType() == DatasetType.FEED) {
InternalDatasetDetails id = (InternalDatasetDetails) dataset.getDatasetDetails();
ITupleReference groupNameSearchKey = createTuple(id.getNodeGroupName(), dataverseName, datasetName);
// Searches the index for the tuple to be deleted. Acquires an S
// lock on the GROUPNAME_ON_DATASET_INDEX index.
- ITupleReference groupNameTuple = getTupleToBeDeleted(txnId,
- MetadataSecondaryIndexes.GROUPNAME_ON_DATASET_INDEX, groupNameSearchKey);
- deleteTupleFromIndex(txnId, MetadataSecondaryIndexes.GROUPNAME_ON_DATASET_INDEX, groupNameTuple);
+ try {
+ ITupleReference groupNameTuple = getTupleToBeDeleted(jobId,
+ MetadataSecondaryIndexes.GROUPNAME_ON_DATASET_INDEX, groupNameSearchKey);
+ deleteTupleFromIndex(jobId, MetadataSecondaryIndexes.GROUPNAME_ON_DATASET_INDEX, groupNameTuple);
+ } catch (TreeIndexException tie) {
+ //ignore this exception and continue deleting all relevant artifacts.
+ }
}
// Delete entry from secondary index 'type'.
ITupleReference dataTypeSearchKey = createTuple(dataverseName, dataset.getItemTypeName(), datasetName);
// Searches the index for the tuple to be deleted. Acquires an S
// lock on the DATATYPENAME_ON_DATASET_INDEX index.
- ITupleReference dataTypeTuple = getTupleToBeDeleted(txnId,
- MetadataSecondaryIndexes.DATATYPENAME_ON_DATASET_INDEX, dataTypeSearchKey);
- deleteTupleFromIndex(txnId, MetadataSecondaryIndexes.DATATYPENAME_ON_DATASET_INDEX, dataTypeTuple);
+ try {
+ ITupleReference dataTypeTuple = getTupleToBeDeleted(jobId,
+ MetadataSecondaryIndexes.DATATYPENAME_ON_DATASET_INDEX, dataTypeSearchKey);
+ deleteTupleFromIndex(jobId, MetadataSecondaryIndexes.DATATYPENAME_ON_DATASET_INDEX, dataTypeTuple);
+ } catch (TreeIndexException tie) {
+ //ignore this exception and continue deleting all relevant artifacts.
+ }
+
// Delete entry(s) from the 'indexes' dataset.
if (dataset.getDatasetType() == DatasetType.INTERNAL || dataset.getDatasetType() == DatasetType.FEED) {
- List<Index> datasetIndexes = getDatasetIndexes(txnId, dataverseName, datasetName);
- for (Index index : datasetIndexes) {
- dropIndex(txnId, dataverseName, datasetName, index.getIndexName());
+ List<Index> datasetIndexes = getDatasetIndexes(jobId, dataverseName, datasetName);
+ if (datasetIndexes != null) {
+ for (Index index : datasetIndexes) {
+ dropIndex(jobId, dataverseName, datasetName, index.getIndexName());
+ }
}
}
- // TODO: Change this to be a BTree specific exception, e.g.,
- // BTreeKeyDoesNotExistException.
- } catch (TreeIndexException e) {
- throw new MetadataException("Cannot drop dataset '" + datasetName + "' because it doesn't exist.", e);
} catch (Exception e) {
throw new MetadataException(e);
}
}
@Override
- public void dropIndex(long txnId, String dataverseName, String datasetName, String indexName)
+ public void dropIndex(JobId jobId, String dataverseName, String datasetName, String indexName)
throws MetadataException, RemoteException {
try {
ITupleReference searchKey = createTuple(dataverseName, datasetName, indexName);
// Searches the index for the tuple to be deleted. Acquires an S
// lock on the 'index' dataset.
- ITupleReference tuple = getTupleToBeDeleted(txnId, MetadataPrimaryIndexes.INDEX_DATASET, searchKey);
- deleteTupleFromIndex(txnId, MetadataPrimaryIndexes.INDEX_DATASET, tuple);
+ ITupleReference tuple = getTupleToBeDeleted(jobId, MetadataPrimaryIndexes.INDEX_DATASET, searchKey);
+ deleteTupleFromIndex(jobId, MetadataPrimaryIndexes.INDEX_DATASET, tuple);
// TODO: Change this to be a BTree specific exception, e.g.,
// BTreeKeyDoesNotExistException.
} catch (TreeIndexException e) {
@@ -395,10 +434,10 @@
}
@Override
- public void dropNodegroup(long txnId, String nodeGroupName) throws MetadataException, RemoteException {
+ public void dropNodegroup(JobId jobId, String nodeGroupName) throws MetadataException, RemoteException {
List<String> datasetNames;
try {
- datasetNames = getDatasetNamesPartitionedOnThisNodeGroup(txnId, nodeGroupName);
+ datasetNames = getDatasetNamesPartitionedOnThisNodeGroup(jobId, nodeGroupName);
} catch (Exception e) {
throw new MetadataException(e);
}
@@ -414,8 +453,8 @@
ITupleReference searchKey = createTuple(nodeGroupName);
// Searches the index for the tuple to be deleted. Acquires an S
// lock on the 'nodegroup' dataset.
- ITupleReference tuple = getTupleToBeDeleted(txnId, MetadataPrimaryIndexes.NODEGROUP_DATASET, searchKey);
- deleteTupleFromIndex(txnId, MetadataPrimaryIndexes.NODEGROUP_DATASET, tuple);
+ ITupleReference tuple = getTupleToBeDeleted(jobId, MetadataPrimaryIndexes.NODEGROUP_DATASET, searchKey);
+ deleteTupleFromIndex(jobId, MetadataPrimaryIndexes.NODEGROUP_DATASET, tuple);
// TODO: Change this to be a BTree specific exception, e.g.,
// BTreeKeyDoesNotExistException.
} catch (TreeIndexException e) {
@@ -426,13 +465,13 @@
}
@Override
- public void dropDatatype(long txnId, String dataverseName, String datatypeName) throws MetadataException,
+ public void dropDatatype(JobId jobId, String dataverseName, String datatypeName) throws MetadataException,
RemoteException {
List<String> datasetNames;
List<String> usedDatatypes;
try {
- datasetNames = getDatasetNamesDeclaredByThisDatatype(txnId, dataverseName, datatypeName);
- usedDatatypes = getDatatypeNamesUsingThisDatatype(txnId, dataverseName, datatypeName);
+ datasetNames = getDatasetNamesDeclaredByThisDatatype(jobId, dataverseName, datatypeName);
+ usedDatatypes = getDatatypeNamesUsingThisDatatype(jobId, dataverseName, datatypeName);
} catch (Exception e) {
throw new MetadataException(e);
}
@@ -457,15 +496,15 @@
ITupleReference searchKey = createTuple(dataverseName, datatypeName);
// Searches the index for the tuple to be deleted. Acquires an S
// lock on the 'datatype' dataset.
- ITupleReference tuple = getTupleToBeDeleted(txnId, MetadataPrimaryIndexes.DATATYPE_DATASET, searchKey);
+ ITupleReference tuple = getTupleToBeDeleted(jobId, MetadataPrimaryIndexes.DATATYPE_DATASET, searchKey);
// This call uses the secondary index on datatype. Get nested types before deleting entry from secondary index.
- List<String> nestedTypes = getNestedDatatypeNames(txnId, dataverseName, datatypeName);
- deleteTupleFromIndex(txnId, MetadataPrimaryIndexes.DATATYPE_DATASET, tuple);
- deleteFromDatatypeSecondaryIndex(txnId, dataverseName, datatypeName);
+ List<String> nestedTypes = getNestedDatatypeNames(jobId, dataverseName, datatypeName);
+ deleteTupleFromIndex(jobId, MetadataPrimaryIndexes.DATATYPE_DATASET, tuple);
+ deleteFromDatatypeSecondaryIndex(jobId, dataverseName, datatypeName);
for (String nestedType : nestedTypes) {
- Datatype dt = getDatatype(txnId, dataverseName, nestedType);
+ Datatype dt = getDatatype(jobId, dataverseName, nestedType);
if (dt != null && dt.getIsAnonymous()) {
- dropDatatype(txnId, dataverseName, dt.getDatatypeName());
+ dropDatatype(jobId, dataverseName, dt.getDatatypeName());
}
}
// TODO: Change this to be a BTree specific exception, e.g.,
@@ -477,14 +516,14 @@
}
}
- private void forceDropDatatype(long txnId, String dataverseName, String datatypeName) throws AsterixException {
+ private void forceDropDatatype(JobId jobId, String dataverseName, String datatypeName) throws AsterixException {
try {
ITupleReference searchKey = createTuple(dataverseName, datatypeName);
// Searches the index for the tuple to be deleted. Acquires an S
// lock on the 'datatype' dataset.
- ITupleReference tuple = getTupleToBeDeleted(txnId, MetadataPrimaryIndexes.DATATYPE_DATASET, searchKey);
- deleteTupleFromIndex(txnId, MetadataPrimaryIndexes.DATATYPE_DATASET, tuple);
- deleteFromDatatypeSecondaryIndex(txnId, dataverseName, datatypeName);
+ ITupleReference tuple = getTupleToBeDeleted(jobId, MetadataPrimaryIndexes.DATATYPE_DATASET, searchKey);
+ deleteTupleFromIndex(jobId, MetadataPrimaryIndexes.DATATYPE_DATASET, tuple);
+ deleteFromDatatypeSecondaryIndex(jobId, dataverseName, datatypeName);
// TODO: Change this to be a BTree specific exception, e.g.,
// BTreeKeyDoesNotExistException.
} catch (TreeIndexException e) {
@@ -496,17 +535,17 @@
}
}
- private void deleteFromDatatypeSecondaryIndex(long txnId, String dataverseName, String datatypeName)
+ private void deleteFromDatatypeSecondaryIndex(JobId jobId, String dataverseName, String datatypeName)
throws AsterixException {
try {
- List<String> nestedTypes = getNestedDatatypeNames(txnId, dataverseName, datatypeName);
+ List<String> nestedTypes = getNestedDatatypeNames(jobId, dataverseName, datatypeName);
for (String nestedType : nestedTypes) {
ITupleReference searchKey = createTuple(dataverseName, nestedType, datatypeName);
// Searches the index for the tuple to be deleted. Acquires an S
// lock on the DATATYPENAME_ON_DATATYPE_INDEX index.
- ITupleReference tuple = getTupleToBeDeleted(txnId,
+ ITupleReference tuple = getTupleToBeDeleted(jobId,
MetadataSecondaryIndexes.DATATYPENAME_ON_DATATYPE_INDEX, searchKey);
- deleteTupleFromIndex(txnId, MetadataSecondaryIndexes.DATATYPENAME_ON_DATATYPE_INDEX, tuple);
+ deleteTupleFromIndex(jobId, MetadataSecondaryIndexes.DATATYPENAME_ON_DATATYPE_INDEX, tuple);
}
// TODO: Change this to be a BTree specific exception, e.g.,
// BTreeKeyDoesNotExistException.
@@ -519,31 +558,44 @@
}
}
- private void deleteTupleFromIndex(long txnId, IMetadataIndex index, ITupleReference tuple) throws Exception {
- int fileId = index.getFileId();
- BTree btree = (BTree) indexRegistry.get(fileId);
- btree.open(fileId);
-
- ITreeIndexAccessor indexAccessor = btree.createAccessor();
- TransactionContext txnCtx = transactionProvider.getTransactionManager().getTransactionContext(txnId);
- // This lock is actually an upgrade, because a deletion must be preceded
- // by a search, in order to be able to undo an aborted deletion.
- // The transaction with txnId will have an S lock on the
- // resource. Note that lock converters have a higher priority than
- // regular waiters in the LockManager.
- transactionProvider.getLockManager().lock(txnCtx, index.getResourceId(), LockMode.EXCLUSIVE);
+ private void deleteTupleFromIndex(JobId jobId, IMetadataIndex metadataIndex, ITupleReference tuple)
+ throws Exception {
+ long resourceID = metadataIndex.getResourceID();
+ ILSMIndex lsmIndex = (ILSMIndex) indexLifecycleManager.getIndex(resourceID);
+ indexLifecycleManager.open(resourceID);
+ //prepare a Callback for logging
+ IModificationOperationCallback modCallback = createIndexModificationCallback(jobId, resourceID, metadataIndex,
+ lsmIndex, IndexOperation.DELETE);
+ IIndexAccessor indexAccessor = lsmIndex.createAccessor(modCallback, NoOpOperationCallback.INSTANCE);
indexAccessor.delete(tuple);
- index.getTreeLogger().generateLogRecord(transactionProvider, txnCtx, IndexOp.DELETE, tuple);
+ indexLifecycleManager.close(resourceID);
}
@Override
- public Dataverse getDataverse(long txnId, String dataverseName) throws MetadataException, RemoteException {
+ public List<Dataverse> getDataverses(JobId jobId) throws MetadataException, RemoteException {
+ try {
+ DataverseTupleTranslator tupleReaderWriter = new DataverseTupleTranslator(false);
+ IValueExtractor<Dataverse> valueExtractor = new MetadataEntityValueExtractor<Dataverse>(tupleReaderWriter);
+ List<Dataverse> results = new ArrayList<Dataverse>();
+ searchIndex(jobId, MetadataPrimaryIndexes.DATAVERSE_DATASET, null, valueExtractor, results);
+ if (results.isEmpty()) {
+ return null;
+ }
+ return results;
+ } catch (Exception e) {
+ throw new MetadataException(e);
+ }
+
+ }
+
+ @Override
+ public Dataverse getDataverse(JobId jobId, String dataverseName) throws MetadataException, RemoteException {
try {
ITupleReference searchKey = createTuple(dataverseName);
DataverseTupleTranslator tupleReaderWriter = new DataverseTupleTranslator(false);
IValueExtractor<Dataverse> valueExtractor = new MetadataEntityValueExtractor<Dataverse>(tupleReaderWriter);
List<Dataverse> results = new ArrayList<Dataverse>();
- searchIndex(txnId, MetadataPrimaryIndexes.DATAVERSE_DATASET, searchKey, valueExtractor, results);
+ searchIndex(jobId, MetadataPrimaryIndexes.DATAVERSE_DATASET, searchKey, valueExtractor, results);
if (results.isEmpty()) {
return null;
}
@@ -555,28 +607,28 @@
}
@Override
- public List<Dataset> getDataverseDatasets(long txnId, String dataverseName) throws MetadataException,
+ public List<Dataset> getDataverseDatasets(JobId jobId, String dataverseName) throws MetadataException,
RemoteException {
try {
ITupleReference searchKey = createTuple(dataverseName);
DatasetTupleTranslator tupleReaderWriter = new DatasetTupleTranslator(false);
IValueExtractor<Dataset> valueExtractor = new MetadataEntityValueExtractor<Dataset>(tupleReaderWriter);
List<Dataset> results = new ArrayList<Dataset>();
- searchIndex(txnId, MetadataPrimaryIndexes.DATASET_DATASET, searchKey, valueExtractor, results);
+ searchIndex(jobId, MetadataPrimaryIndexes.DATASET_DATASET, searchKey, valueExtractor, results);
return results;
} catch (Exception e) {
throw new MetadataException(e);
}
}
- private List<Datatype> getDataverseDatatypes(long txnId, String dataverseName) throws MetadataException,
+ private List<Datatype> getDataverseDatatypes(JobId jobId, String dataverseName) throws MetadataException,
RemoteException {
try {
ITupleReference searchKey = createTuple(dataverseName);
- DatatypeTupleTranslator tupleReaderWriter = new DatatypeTupleTranslator(txnId, this, false);
+ DatatypeTupleTranslator tupleReaderWriter = new DatatypeTupleTranslator(jobId, this, false);
IValueExtractor<Datatype> valueExtractor = new MetadataEntityValueExtractor<Datatype>(tupleReaderWriter);
List<Datatype> results = new ArrayList<Datatype>();
- searchIndex(txnId, MetadataPrimaryIndexes.DATATYPE_DATASET, searchKey, valueExtractor, results);
+ searchIndex(jobId, MetadataPrimaryIndexes.DATATYPE_DATASET, searchKey, valueExtractor, results);
return results;
} catch (Exception e) {
throw new MetadataException(e);
@@ -584,14 +636,14 @@
}
@Override
- public Dataset getDataset(long txnId, String dataverseName, String datasetName) throws MetadataException,
+ public Dataset getDataset(JobId jobId, String dataverseName, String datasetName) throws MetadataException,
RemoteException {
try {
ITupleReference searchKey = createTuple(dataverseName, datasetName);
DatasetTupleTranslator tupleReaderWriter = new DatasetTupleTranslator(false);
List<Dataset> results = new ArrayList<Dataset>();
IValueExtractor<Dataset> valueExtractor = new MetadataEntityValueExtractor<Dataset>(tupleReaderWriter);
- searchIndex(txnId, MetadataPrimaryIndexes.DATASET_DATASET, searchKey, valueExtractor, results);
+ searchIndex(jobId, MetadataPrimaryIndexes.DATASET_DATASET, searchKey, valueExtractor, results);
if (results.isEmpty()) {
return null;
}
@@ -601,13 +653,13 @@
}
}
- private List<String> getDatasetNamesDeclaredByThisDatatype(long txnId, String dataverseName, String datatypeName)
+ private List<String> getDatasetNamesDeclaredByThisDatatype(JobId jobId, String dataverseName, String datatypeName)
throws MetadataException, RemoteException {
try {
ITupleReference searchKey = createTuple(dataverseName, datatypeName);
List<String> results = new ArrayList<String>();
IValueExtractor<String> valueExtractor = new DatasetNameValueExtractor();
- searchIndex(txnId, MetadataSecondaryIndexes.DATATYPENAME_ON_DATASET_INDEX, searchKey, valueExtractor,
+ searchIndex(jobId, MetadataSecondaryIndexes.DATATYPENAME_ON_DATASET_INDEX, searchKey, valueExtractor,
results);
return results;
} catch (Exception e) {
@@ -615,13 +667,13 @@
}
}
- public List<String> getDatatypeNamesUsingThisDatatype(long txnId, String dataverseName, String datatypeName)
+ public List<String> getDatatypeNamesUsingThisDatatype(JobId jobId, String dataverseName, String datatypeName)
throws MetadataException, RemoteException {
try {
ITupleReference searchKey = createTuple(dataverseName, datatypeName);
List<String> results = new ArrayList<String>();
IValueExtractor<String> valueExtractor = new DatatypeNameValueExtractor(dataverseName, this);
- searchIndex(txnId, MetadataSecondaryIndexes.DATATYPENAME_ON_DATATYPE_INDEX, searchKey, valueExtractor,
+ searchIndex(jobId, MetadataSecondaryIndexes.DATATYPENAME_ON_DATATYPE_INDEX, searchKey, valueExtractor,
results);
return results;
} catch (Exception e) {
@@ -629,13 +681,13 @@
}
}
- private List<String> getNestedDatatypeNames(long txnId, String dataverseName, String datatypeName)
+ private List<String> getNestedDatatypeNames(JobId jobId, String dataverseName, String datatypeName)
throws MetadataException, RemoteException {
try {
ITupleReference searchKey = createTuple(dataverseName);
List<String> results = new ArrayList<String>();
IValueExtractor<String> valueExtractor = new NestedDatatypeNameValueExtractor(datatypeName);
- searchIndex(txnId, MetadataSecondaryIndexes.DATATYPENAME_ON_DATATYPE_INDEX, searchKey, valueExtractor,
+ searchIndex(jobId, MetadataSecondaryIndexes.DATATYPENAME_ON_DATATYPE_INDEX, searchKey, valueExtractor,
results);
return results;
} catch (Exception e) {
@@ -643,13 +695,13 @@
}
}
- public List<String> getDatasetNamesPartitionedOnThisNodeGroup(long txnId, String nodegroup)
+ public List<String> getDatasetNamesPartitionedOnThisNodeGroup(JobId jobId, String nodegroup)
throws MetadataException, RemoteException {
try {
ITupleReference searchKey = createTuple(nodegroup);
List<String> results = new ArrayList<String>();
IValueExtractor<String> valueExtractor = new DatasetNameValueExtractor();
- searchIndex(txnId, MetadataSecondaryIndexes.GROUPNAME_ON_DATASET_INDEX, searchKey, valueExtractor, results);
+ searchIndex(jobId, MetadataSecondaryIndexes.GROUPNAME_ON_DATASET_INDEX, searchKey, valueExtractor, results);
return results;
} catch (Exception e) {
throw new MetadataException(e);
@@ -657,14 +709,14 @@
}
@Override
- public Index getIndex(long txnId, String dataverseName, String datasetName, String indexName)
+ public Index getIndex(JobId jobId, String dataverseName, String datasetName, String indexName)
throws MetadataException, RemoteException {
try {
ITupleReference searchKey = createTuple(dataverseName, datasetName, indexName);
IndexTupleTranslator tupleReaderWriter = new IndexTupleTranslator(false);
IValueExtractor<Index> valueExtractor = new MetadataEntityValueExtractor<Index>(tupleReaderWriter);
List<Index> results = new ArrayList<Index>();
- searchIndex(txnId, MetadataPrimaryIndexes.INDEX_DATASET, searchKey, valueExtractor, results);
+ searchIndex(jobId, MetadataPrimaryIndexes.INDEX_DATASET, searchKey, valueExtractor, results);
if (results.isEmpty()) {
return null;
}
@@ -675,14 +727,14 @@
}
@Override
- public List<Index> getDatasetIndexes(long txnId, String dataverseName, String datasetName)
+ public List<Index> getDatasetIndexes(JobId jobId, String dataverseName, String datasetName)
throws MetadataException, RemoteException {
try {
ITupleReference searchKey = createTuple(dataverseName, datasetName);
IndexTupleTranslator tupleReaderWriter = new IndexTupleTranslator(false);
IValueExtractor<Index> valueExtractor = new MetadataEntityValueExtractor<Index>(tupleReaderWriter);
List<Index> results = new ArrayList<Index>();
- searchIndex(txnId, MetadataPrimaryIndexes.INDEX_DATASET, searchKey, valueExtractor, results);
+ searchIndex(jobId, MetadataPrimaryIndexes.INDEX_DATASET, searchKey, valueExtractor, results);
return results;
} catch (Exception e) {
throw new MetadataException(e);
@@ -690,14 +742,14 @@
}
@Override
- public Datatype getDatatype(long txnId, String dataverseName, String datatypeName) throws MetadataException,
+ public Datatype getDatatype(JobId jobId, String dataverseName, String datatypeName) throws MetadataException,
RemoteException {
try {
ITupleReference searchKey = createTuple(dataverseName, datatypeName);
- DatatypeTupleTranslator tupleReaderWriter = new DatatypeTupleTranslator(txnId, this, false);
+ DatatypeTupleTranslator tupleReaderWriter = new DatatypeTupleTranslator(jobId, this, false);
IValueExtractor<Datatype> valueExtractor = new MetadataEntityValueExtractor<Datatype>(tupleReaderWriter);
List<Datatype> results = new ArrayList<Datatype>();
- searchIndex(txnId, MetadataPrimaryIndexes.DATATYPE_DATASET, searchKey, valueExtractor, results);
+ searchIndex(jobId, MetadataPrimaryIndexes.DATATYPE_DATASET, searchKey, valueExtractor, results);
if (results.isEmpty()) {
return null;
}
@@ -708,13 +760,13 @@
}
@Override
- public NodeGroup getNodeGroup(long txnId, String nodeGroupName) throws MetadataException, RemoteException {
+ public NodeGroup getNodeGroup(JobId jobId, String nodeGroupName) throws MetadataException, RemoteException {
try {
ITupleReference searchKey = createTuple(nodeGroupName);
NodeGroupTupleTranslator tupleReaderWriter = new NodeGroupTupleTranslator(false);
IValueExtractor<NodeGroup> valueExtractor = new MetadataEntityValueExtractor<NodeGroup>(tupleReaderWriter);
List<NodeGroup> results = new ArrayList<NodeGroup>();
- searchIndex(txnId, MetadataPrimaryIndexes.NODEGROUP_DATASET, searchKey, valueExtractor, results);
+ searchIndex(jobId, MetadataPrimaryIndexes.NODEGROUP_DATASET, searchKey, valueExtractor, results);
if (results.isEmpty()) {
return null;
}
@@ -725,7 +777,7 @@
}
@Override
- public Function getFunction(long txnId, FunctionSignature functionSignature) throws MetadataException,
+ public Function getFunction(JobId jobId, FunctionSignature functionSignature) throws MetadataException,
RemoteException {
try {
ITupleReference searchKey = createTuple(functionSignature.getNamespace(), functionSignature.getName(), ""
@@ -733,7 +785,7 @@
FunctionTupleTranslator tupleReaderWriter = new FunctionTupleTranslator(false);
List<Function> results = new ArrayList<Function>();
IValueExtractor<Function> valueExtractor = new MetadataEntityValueExtractor<Function>(tupleReaderWriter);
- searchIndex(txnId, MetadataPrimaryIndexes.FUNCTION_DATASET, searchKey, valueExtractor, results);
+ searchIndex(jobId, MetadataPrimaryIndexes.FUNCTION_DATASET, searchKey, valueExtractor, results);
if (results.isEmpty()) {
return null;
}
@@ -745,15 +797,27 @@
}
@Override
- public void dropFunction(long txnId, FunctionSignature functionSignature) throws MetadataException, RemoteException {
+ public void dropFunction(JobId jobId, FunctionSignature functionSignature) throws MetadataException,
+ RemoteException {
+
+ Function function;
+ try {
+ function = getFunction(jobId, functionSignature);
+ } catch (Exception e) {
+ throw new MetadataException(e);
+ }
+ if (function == null) {
+ throw new MetadataException("Cannot drop function '" + functionSignature.toString()
+ + "' because it doesn't exist.");
+ }
try {
// Delete entry from the 'function' dataset.
ITupleReference searchKey = createTuple(functionSignature.getNamespace(), functionSignature.getName());
// Searches the index for the tuple to be deleted. Acquires an S
// lock on the 'function' dataset.
- ITupleReference datasetTuple = getTupleToBeDeleted(txnId, MetadataPrimaryIndexes.FUNCTION_DATASET,
+ ITupleReference datasetTuple = getTupleToBeDeleted(jobId, MetadataPrimaryIndexes.FUNCTION_DATASET,
searchKey);
- deleteTupleFromIndex(txnId, MetadataPrimaryIndexes.FUNCTION_DATASET, datasetTuple);
+ deleteTupleFromIndex(jobId, MetadataPrimaryIndexes.FUNCTION_DATASET, datasetTuple);
// TODO: Change this to be a BTree specific exception, e.g.,
// BTreeKeyDoesNotExistException.
@@ -765,11 +829,11 @@
}
}
- private ITupleReference getTupleToBeDeleted(long txnId, IMetadataIndex metadataIndex, ITupleReference searchKey)
+ private ITupleReference getTupleToBeDeleted(JobId jobId, IMetadataIndex metadataIndex, ITupleReference searchKey)
throws Exception {
IValueExtractor<ITupleReference> valueExtractor = new TupleCopyValueExtractor(metadataIndex.getTypeTraits());
List<ITupleReference> results = new ArrayList<ITupleReference>();
- searchIndex(txnId, metadataIndex, searchKey, valueExtractor, results);
+ searchIndex(jobId, metadataIndex, searchKey, valueExtractor, results);
if (results.isEmpty()) {
// TODO: Temporarily a TreeIndexException to make it get caught by
// caller in the appropriate catch block.
@@ -779,29 +843,33 @@
return results.get(0);
}
- private <ResultType> void searchIndex(long txnId, IMetadataIndex index, ITupleReference searchKey,
+ private <ResultType> void searchIndex(JobId jobId, IMetadataIndex index, ITupleReference searchKey,
IValueExtractor<ResultType> valueExtractor, List<ResultType> results) throws Exception {
- TransactionContext txnCtx = transactionProvider.getTransactionManager().getTransactionContext(txnId);
- transactionProvider.getLockManager().lock(txnCtx, index.getResourceId(), LockMode.SHARED);
IBinaryComparatorFactory[] comparatorFactories = index.getKeyBinaryComparatorFactory();
- int fileId = index.getFileId();
- BTree btree = (BTree) indexRegistry.get(fileId);
- btree.open(fileId);
- ITreeIndexFrame leafFrame = btree.getLeafFrameFactory().createFrame();
- ITreeIndexAccessor indexAccessor = btree.createAccessor();
- ITreeIndexCursor rangeCursor = new BTreeRangeSearchCursor((IBTreeLeafFrame) leafFrame, false);
- IBinaryComparator[] searchCmps = new IBinaryComparator[searchKey.getFieldCount()];
- for (int i = 0; i < searchKey.getFieldCount(); i++) {
- searchCmps[i] = comparatorFactories[i].createBinaryComparator();
+ long resourceID = index.getResourceID();
+ IIndex indexInstance = indexLifecycleManager.getIndex(resourceID);
+ indexLifecycleManager.open(resourceID);
+ IIndexAccessor indexAccessor = indexInstance.createAccessor(NoOpOperationCallback.INSTANCE,
+ NoOpOperationCallback.INSTANCE);
+ ITreeIndexCursor rangeCursor = (ITreeIndexCursor) indexAccessor.createSearchCursor();
+
+ IBinaryComparator[] searchCmps = null;
+ MultiComparator searchCmp = null;
+ RangePredicate rangePred = null;
+ if (searchKey != null) {
+ searchCmps = new IBinaryComparator[searchKey.getFieldCount()];
+ for (int i = 0; i < searchKey.getFieldCount(); i++) {
+ searchCmps[i] = comparatorFactories[i].createBinaryComparator();
+ }
+ searchCmp = new MultiComparator(searchCmps);
}
- MultiComparator searchCmp = new MultiComparator(searchCmps);
- RangePredicate rangePred = new RangePredicate(searchKey, searchKey, true, true, searchCmp, searchCmp);
+ rangePred = new RangePredicate(searchKey, searchKey, true, true, searchCmp, searchCmp);
indexAccessor.search(rangeCursor, rangePred);
try {
while (rangeCursor.hasNext()) {
rangeCursor.next();
- ResultType result = valueExtractor.getValue(txnId, rangeCursor.getTuple());
+ ResultType result = valueExtractor.getValue(jobId, rangeCursor.getTuple());
if (result != null) {
results.add(result);
}
@@ -809,6 +877,44 @@
} finally {
rangeCursor.close();
}
+ indexLifecycleManager.close(resourceID);
+ }
+
+ @Override
+ public void initializeDatasetIdFactory(JobId jobId) throws MetadataException, RemoteException {
+ int mostRecentDatasetId = MetadataPrimaryIndexes.FIRST_AVAILABLE_USER_DATASET_ID;
+ long resourceID = MetadataPrimaryIndexes.DATASET_DATASET.getResourceID();
+ IIndex indexInstance = indexLifecycleManager.getIndex(resourceID);
+ try {
+ indexLifecycleManager.open(resourceID);
+ IIndexAccessor indexAccessor = indexInstance.createAccessor(NoOpOperationCallback.INSTANCE,
+ NoOpOperationCallback.INSTANCE);
+ IIndexCursor rangeCursor = indexAccessor.createSearchCursor();
+
+ DatasetTupleTranslator tupleReaderWriter = new DatasetTupleTranslator(false);
+ IValueExtractor<Dataset> valueExtractor = new MetadataEntityValueExtractor<Dataset>(tupleReaderWriter);
+ RangePredicate rangePred = new RangePredicate(null, null, true, true, null, null);
+
+ indexAccessor.search(rangeCursor, rangePred);
+ int datasetId;
+
+ try {
+ while (rangeCursor.hasNext()) {
+ rangeCursor.next();
+ datasetId = ((Dataset) valueExtractor.getValue(jobId, rangeCursor.getTuple())).getDatasetId();
+ if (mostRecentDatasetId < datasetId) {
+ mostRecentDatasetId = datasetId;
+ }
+ }
+ } finally {
+ rangeCursor.close();
+ }
+
+ } catch (Exception e) {
+ throw new MetadataException(e);
+ }
+
+ DatasetIdFactory.initialize(mostRecentDatasetId);
}
// TODO: Can use Hyrack's TupleUtils for this, once we switch to a newer
@@ -829,14 +935,14 @@
}
@Override
- public List<Function> getDataverseFunctions(long txnId, String dataverseName) throws MetadataException,
+ public List<Function> getDataverseFunctions(JobId jobId, String dataverseName) throws MetadataException,
RemoteException {
try {
ITupleReference searchKey = createTuple(dataverseName);
FunctionTupleTranslator tupleReaderWriter = new FunctionTupleTranslator(false);
IValueExtractor<Function> valueExtractor = new MetadataEntityValueExtractor<Function>(tupleReaderWriter);
List<Function> results = new ArrayList<Function>();
- searchIndex(txnId, MetadataPrimaryIndexes.FUNCTION_DATASET, searchKey, valueExtractor, results);
+ searchIndex(jobId, MetadataPrimaryIndexes.FUNCTION_DATASET, searchKey, valueExtractor, results);
return results;
} catch (Exception e) {
throw new MetadataException(e);
@@ -844,12 +950,12 @@
}
@Override
- public void addAdapter(long txnId, DatasourceAdapter adapter) throws MetadataException, RemoteException {
+ public void addAdapter(JobId jobId, DatasourceAdapter adapter) throws MetadataException, RemoteException {
try {
// Insert into the 'Adapter' dataset.
DatasourceAdapterTupleTranslator tupleReaderWriter = new DatasourceAdapterTupleTranslator(true);
ITupleReference adapterTuple = tupleReaderWriter.getTupleFromMetadataEntity(adapter);
- insertTupleIntoIndex(txnId, MetadataPrimaryIndexes.DATASOURCE_ADAPTER_DATASET, adapterTuple);
+ insertTupleIntoIndex(jobId, MetadataPrimaryIndexes.DATASOURCE_ADAPTER_DATASET, adapterTuple);
} catch (BTreeDuplicateKeyException e) {
throw new MetadataException("A adapter with this name " + adapter.getAdapterIdentifier().getAdapterName()
@@ -861,11 +967,11 @@
}
@Override
- public void dropAdapter(long txnId, String dataverseName, String adapterName) throws MetadataException,
+ public void dropAdapter(JobId jobId, String dataverseName, String adapterName) throws MetadataException,
RemoteException {
DatasourceAdapter adapter;
try {
- adapter = getAdapter(txnId, dataverseName, adapterName);
+ adapter = getAdapter(jobId, dataverseName, adapterName);
} catch (Exception e) {
throw new MetadataException(e);
}
@@ -877,8 +983,9 @@
ITupleReference searchKey = createTuple(dataverseName, adapterName);
// Searches the index for the tuple to be deleted. Acquires an S
// lock on the 'Adapter' dataset.
- ITupleReference datasetTuple = getTupleToBeDeleted(txnId, MetadataPrimaryIndexes.DATASOURCE_ADAPTER_DATASET, searchKey);
- deleteTupleFromIndex(txnId, MetadataPrimaryIndexes.DATASOURCE_ADAPTER_DATASET, datasetTuple);
+ ITupleReference datasetTuple = getTupleToBeDeleted(jobId,
+ MetadataPrimaryIndexes.DATASOURCE_ADAPTER_DATASET, searchKey);
+ deleteTupleFromIndex(jobId, MetadataPrimaryIndexes.DATASOURCE_ADAPTER_DATASET, datasetTuple);
// TODO: Change this to be a BTree specific exception, e.g.,
// BTreeKeyDoesNotExistException.
@@ -891,14 +998,15 @@
}
@Override
- public DatasourceAdapter getAdapter(long txnId, String dataverseName, String adapterName) throws MetadataException,
- RemoteException {
+ public DatasourceAdapter getAdapter(JobId jobId, String dataverseName, String adapterName)
+ throws MetadataException, RemoteException {
try {
ITupleReference searchKey = createTuple(dataverseName, adapterName);
DatasourceAdapterTupleTranslator tupleReaderWriter = new DatasourceAdapterTupleTranslator(false);
List<DatasourceAdapter> results = new ArrayList<DatasourceAdapter>();
- IValueExtractor<DatasourceAdapter> valueExtractor = new MetadataEntityValueExtractor<DatasourceAdapter>(tupleReaderWriter);
- searchIndex(txnId, MetadataPrimaryIndexes.DATASOURCE_ADAPTER_DATASET, searchKey, valueExtractor, results);
+ IValueExtractor<DatasourceAdapter> valueExtractor = new MetadataEntityValueExtractor<DatasourceAdapter>(
+ tupleReaderWriter);
+ searchIndex(jobId, MetadataPrimaryIndexes.DATASOURCE_ADAPTER_DATASET, searchKey, valueExtractor, results);
if (results.isEmpty()) {
return null;
}
@@ -909,18 +1017,18 @@
}
@Override
- public List<DatasourceAdapter> getDataverseAdapters(long txnId, String dataverseName) throws MetadataException,
+ public List<DatasourceAdapter> getDataverseAdapters(JobId jobId, String dataverseName) throws MetadataException,
RemoteException {
try {
ITupleReference searchKey = createTuple(dataverseName);
DatasourceAdapterTupleTranslator tupleReaderWriter = new DatasourceAdapterTupleTranslator(false);
- IValueExtractor<DatasourceAdapter> valueExtractor = new MetadataEntityValueExtractor<DatasourceAdapter>(tupleReaderWriter);
+ IValueExtractor<DatasourceAdapter> valueExtractor = new MetadataEntityValueExtractor<DatasourceAdapter>(
+ tupleReaderWriter);
List<DatasourceAdapter> results = new ArrayList<DatasourceAdapter>();
- searchIndex(txnId, MetadataPrimaryIndexes.DATASOURCE_ADAPTER_DATASET, searchKey, valueExtractor, results);
+ searchIndex(jobId, MetadataPrimaryIndexes.DATASOURCE_ADAPTER_DATASET, searchKey, valueExtractor, results);
return results;
} catch (Exception e) {
throw new MetadataException(e);
}
}
-
}
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataTransactionContext.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataTransactionContext.java
index 66c02ee..cbd37d6 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataTransactionContext.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataTransactionContext.java
@@ -19,13 +19,15 @@
import edu.uci.ics.asterix.common.functions.FunctionSignature;
import edu.uci.ics.asterix.external.dataset.adapter.AdapterIdentifier;
-import edu.uci.ics.asterix.metadata.entities.DatasourceAdapter;
+import edu.uci.ics.asterix.metadata.api.IMetadataEntity;
import edu.uci.ics.asterix.metadata.entities.Dataset;
+import edu.uci.ics.asterix.metadata.entities.DatasourceAdapter;
import edu.uci.ics.asterix.metadata.entities.Datatype;
import edu.uci.ics.asterix.metadata.entities.Dataverse;
import edu.uci.ics.asterix.metadata.entities.Function;
+import edu.uci.ics.asterix.metadata.entities.Index;
import edu.uci.ics.asterix.metadata.entities.NodeGroup;
-import edu.uci.ics.asterix.om.functions.AsterixFunction;
+import edu.uci.ics.asterix.transaction.management.service.transaction.JobId;
/**
* Used to implement serializable transactions against the MetadataCache.
@@ -57,14 +59,14 @@
protected MetadataCache droppedCache = new MetadataCache();
protected ArrayList<MetadataLogicalOperation> opLog = new ArrayList<MetadataLogicalOperation>();
- private final long txnId;
+ private final JobId jobId;
- public MetadataTransactionContext(long txnId) {
- this.txnId = txnId;
+ public MetadataTransactionContext(JobId jobId) {
+ this.jobId = jobId;
}
- public long getTxnId() {
- return txnId;
+ public JobId getJobId() {
+ return jobId;
}
public void addDataverse(Dataverse dataverse) {
@@ -77,6 +79,11 @@
logAndApply(new MetadataLogicalOperation(dataset, true));
}
+ public void addIndex(Index index) {
+ droppedCache.dropIndex(index);
+ logAndApply(new MetadataLogicalOperation(index, true));
+ }
+
public void addDatatype(Datatype datatype) {
droppedCache.dropDatatype(datatype);
logAndApply(new MetadataLogicalOperation(datatype, true));
@@ -97,18 +104,25 @@
logAndApply(new MetadataLogicalOperation(adapter, true));
}
- public void dropDataverse(String dataverseName) {
- Dataverse dataverse = new Dataverse(dataverseName, null);
- droppedCache.addDataverseIfNotExists(dataverse);
- logAndApply(new MetadataLogicalOperation(dataverse, false));
- }
-
public void dropDataset(String dataverseName, String datasetName) {
- Dataset dataset = new Dataset(dataverseName, datasetName, null, null, null, null);
+ Dataset dataset = new Dataset(dataverseName, datasetName, null, null, null, null, -1,
+ IMetadataEntity.PENDING_NO_OP);
droppedCache.addDatasetIfNotExists(dataset);
logAndApply(new MetadataLogicalOperation(dataset, false));
}
+ public void dropIndex(String dataverseName, String datasetName, String indexName) {
+ Index index = new Index(dataverseName, datasetName, indexName, null, null, false, IMetadataEntity.PENDING_NO_OP);
+ droppedCache.addIndexIfNotExists(index);
+ logAndApply(new MetadataLogicalOperation(index, false));
+ }
+
+ public void dropDataverse(String dataverseName) {
+ Dataverse dataverse = new Dataverse(dataverseName, null, IMetadataEntity.PENDING_NO_OP);
+ droppedCache.addDataverseIfNotExists(dataverse);
+ logAndApply(new MetadataLogicalOperation(dataverse, false));
+ }
+
public void dropDataDatatype(String dataverseName, String datatypeName) {
Datatype datatype = new Datatype(dataverseName, datatypeName, null, false);
droppedCache.addDatatypeIfNotExists(datatype);
@@ -151,6 +165,16 @@
return droppedCache.getDataset(dataverseName, datasetName) != null;
}
+ public boolean indexIsDropped(String dataverseName, String datasetName, String indexName) {
+ if (droppedCache.getDataverse(dataverseName) != null) {
+ return true;
+ }
+ if (droppedCache.getDataset(dataverseName, datasetName) != null) {
+ return true;
+ }
+ return droppedCache.getIndex(dataverseName, datasetName, indexName) != null;
+ }
+
public boolean datatypeIsDropped(String dataverseName, String datatypeName) {
if (droppedCache.getDataverse(dataverseName) != null) {
return true;
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/api/IMetadataEntity.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/api/IMetadataEntity.java
index 847ec67..43f8dc4 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/api/IMetadataEntity.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/api/IMetadataEntity.java
@@ -20,6 +20,11 @@
import edu.uci.ics.asterix.metadata.MetadataCache;
public interface IMetadataEntity extends Serializable {
+
+ public static final int PENDING_NO_OP = 0;
+ public static final int PENDING_ADD_OP = 1;
+ public static final int PENDING_DROP_OP = 2;
+
Object addToCache(MetadataCache cache);
Object dropFromCache(MetadataCache cache);
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/api/IMetadataIndex.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/api/IMetadataIndex.java
index f9e5540..ca6ab08 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/api/IMetadataIndex.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/api/IMetadataIndex.java
@@ -19,12 +19,14 @@
import edu.uci.ics.asterix.om.types.ARecordType;
import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
-import edu.uci.ics.asterix.transaction.management.service.logging.TreeLogger;
+import edu.uci.ics.asterix.transaction.management.service.logging.IndexLogger;
+import edu.uci.ics.asterix.transaction.management.service.transaction.DatasetId;
import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
+import edu.uci.ics.hyracks.api.io.FileReference;
+import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
/**
* Descriptor interface for a primary or secondary index on metadata datasets.
@@ -46,6 +48,8 @@
public ITypeTraits[] getTypeTraits();
+ public int[] getBloomFilterKeyFields();
+
public RecordDescriptor getRecordDescriptor();
public IBinaryComparatorFactory[] getKeyBinaryComparatorFactory();
@@ -58,13 +62,22 @@
public ARecordType getPayloadRecordType();
- public void setFileId(int fileId);
+ public void setFile(FileReference file);
- public void initTreeLogger(ITreeIndex treeIndex) throws ACIDException;
+ public FileReference getFile();
+
+ public void setFileId(int fileId);
public int getFileId();
- public byte[] getResourceId();
+ public void setResourceID(long resourceID);
- public TreeLogger getTreeLogger();
+ public long getResourceID();
+
+ public DatasetId getDatasetId();
+
+ boolean isPrimaryIndex();
+
+ int[] getPrimaryKeyIndexes();
+
}
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/api/IMetadataManager.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/api/IMetadataManager.java
index 01e9649..fdf2d60 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/api/IMetadataManager.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/api/IMetadataManager.java
@@ -30,6 +30,7 @@
import edu.uci.ics.asterix.metadata.entities.Node;
import edu.uci.ics.asterix.metadata.entities.NodeGroup;
import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
+import edu.uci.ics.asterix.transaction.management.service.transaction.JobId;
/**
* A metadata manager provides user access to Asterix metadata (e.g., types,
@@ -94,7 +95,7 @@
* @throws ACIDException
* @throws RemoteException
*/
- public void lock(MetadataTransactionContext ctx, int lockMode) throws ACIDException, RemoteException;
+ public void lock(MetadataTransactionContext ctx, byte lockMode) throws ACIDException, RemoteException;
/**
* Releases all locks on the metadata held by the given transaction id.
@@ -119,6 +120,16 @@
public void addDataverse(MetadataTransactionContext ctx, Dataverse dataverse) throws MetadataException;
/**
+ * Retrieves all dataverses
+ *
+ * @param ctx
+ * MetadataTransactionContext of an active metadata transaction.
+ * @return A list of dataverse instances.
+ * @throws MetadataException
+ */
+ List<Dataverse> getDataverses(MetadataTransactionContext ctx) throws MetadataException;
+
+ /**
* Retrieves a dataverse with given name.
*
* @param ctx
@@ -168,7 +179,7 @@
* For example, if the dataset already exists.
*/
public void addDataset(MetadataTransactionContext ctx, Dataset dataset) throws MetadataException;
-
+
/**
* Retrieves a dataset within a given dataverse.
*
@@ -430,4 +441,16 @@
public List<Function> getDataverseFunctions(MetadataTransactionContext ctx, String dataverseName)
throws MetadataException;
+
+ public void initializeDatasetIdFactory(MetadataTransactionContext ctx) throws MetadataException;
+
+ public void acquireWriteLatch();
+
+ public void releaseWriteLatch();
+
+ public void acquireReadLatch();
+
+ public void releaseReadLatch();
+
+
}
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/api/IMetadataNode.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/api/IMetadataNode.java
index 76c5746..836d42f 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/api/IMetadataNode.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/api/IMetadataNode.java
@@ -31,6 +31,7 @@
import edu.uci.ics.asterix.metadata.entities.Node;
import edu.uci.ics.asterix.metadata.entities.NodeGroup;
import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
+import edu.uci.ics.asterix.transaction.management.service.transaction.JobId;
/**
* A metadata node stores metadata in its local storage structures (currently
@@ -49,7 +50,7 @@
* @throws ACIDException
* @throws RemoteException
*/
- public void beginTransaction(long txnId) throws ACIDException, RemoteException;
+ public void beginTransaction(JobId jobId) throws ACIDException, RemoteException;
/**
* Commits a local transaction against the metadata.
@@ -57,7 +58,7 @@
* @throws ACIDException
* @throws RemoteException
*/
- public void commitTransaction(long txnId) throws ACIDException, RemoteException;
+ public void commitTransaction(JobId jobId) throws ACIDException, RemoteException;
/**
* Aborts a local transaction against the metadata.
@@ -65,7 +66,7 @@
* @throws ACIDException
* @throws RemoteException
*/
- public void abortTransaction(long txnId) throws ACIDException, RemoteException;
+ public void abortTransaction(JobId jobId) throws ACIDException, RemoteException;
/**
* Locally locks the entire metadata in given mode on behalf of given
@@ -74,7 +75,7 @@
* @throws ACIDException
* @throws RemoteException
*/
- public boolean lock(long txnId, int lockMode) throws ACIDException, RemoteException;
+ public void lock(JobId jobId, byte lockMode) throws ACIDException, RemoteException;
/**
* Releases all local locks of given transaction id.
@@ -82,13 +83,13 @@
* @throws ACIDException
* @throws RemoteException
*/
- public boolean unlock(long txnId) throws ACIDException, RemoteException;
+ public void unlock(JobId jobId) throws ACIDException, RemoteException;
/**
* Inserts a new dataverse into the metadata, acquiring local locks on
* behalf of the given transaction id.
*
- * @param txnId
+ * @param jobId
* A globally unique id for an active metadata transaction.
* @param dataverse
* Dataverse instance to be inserted.
@@ -96,13 +97,26 @@
* For example, if the dataverse already exists.
* @throws RemoteException
*/
- public void addDataverse(long txnId, Dataverse dataverse) throws MetadataException, RemoteException;
+ public void addDataverse(JobId jobId, Dataverse dataverse) throws MetadataException, RemoteException;
+
+ /**
+ * Retrieves all dataverses, acquiring local locks on behalf of
+ * the given transaction id.
+ *
+ * @param jobId
+ * A globally unique id for an active metadata transaction.
+ * @return A list of dataverse instances.
+ * @throws MetadataException
+ * For example, if the dataverse does not exist.
+ * @throws RemoteException
+ */
+ public List<Dataverse> getDataverses(JobId jobId) throws MetadataException, RemoteException;
/**
* Retrieves a dataverse with given name, acquiring local locks on behalf of
* the given transaction id.
*
- * @param txnId
+ * @param jobId
* A globally unique id for an active metadata transaction.
* @param dataverseName
* Name of the dataverse to retrieve.
@@ -111,13 +125,13 @@
* For example, if the dataverse does not exist.
* @throws RemoteException
*/
- public Dataverse getDataverse(long txnId, String dataverseName) throws MetadataException, RemoteException;
+ public Dataverse getDataverse(JobId jobId, String dataverseName) throws MetadataException, RemoteException;
/**
* Retrieves all datasets belonging to the given dataverse, acquiring local
* locks on behalf of the given transaction id.
*
- * @param txnId
+ * @param jobId
* A globally unique id for an active metadata transaction.
* @param dataverseName
* Name of the dataverse of which to find all datasets.
@@ -125,7 +139,7 @@
* @throws MetadataException
* For example, if the dataverse does not exist. RemoteException
*/
- public List<Dataset> getDataverseDatasets(long txnId, String dataverseName) throws MetadataException,
+ public List<Dataset> getDataverseDatasets(JobId jobId, String dataverseName) throws MetadataException,
RemoteException;
/**
@@ -133,20 +147,20 @@
* indexes, and types, acquiring local locks on behalf of the given
* transaction id.
*
- * @param txnId
+ * @param jobId
* A globally unique id for an active metadata transaction.
* @return A list of dataset instances.
* @throws MetadataException
* For example, if the dataverse does not exist.
* @throws RemoteException
*/
- public void dropDataverse(long txnId, String dataverseName) throws MetadataException, RemoteException;
+ public void dropDataverse(JobId jobId, String dataverseName) throws MetadataException, RemoteException;
/**
* Inserts a new dataset into the metadata, acquiring local locks on behalf
* of the given transaction id.
*
- * @param txnId
+ * @param jobId
* A globally unique id for an active metadata transaction.
* @param dataset
* Dataset instance to be inserted.
@@ -154,13 +168,13 @@
* For example, if the dataset already exists.
* @throws RemoteException
*/
- public void addDataset(long txnId, Dataset dataset) throws MetadataException, RemoteException;
+ public void addDataset(JobId jobId, Dataset dataset) throws MetadataException, RemoteException;
/**
* Retrieves a dataset within a given dataverse, acquiring local locks on
* behalf of the given transaction id.
*
- * @param txnId
+ * @param jobId
* A globally unique id for an active metadata transaction.
* @param dataverseName
* Dataverse name to look for the dataset.
@@ -171,14 +185,14 @@
* For example, if the dataset does not exist.
* @throws RemoteException
*/
- public Dataset getDataset(long txnId, String dataverseName, String datasetName) throws MetadataException,
+ public Dataset getDataset(JobId jobId, String dataverseName, String datasetName) throws MetadataException,
RemoteException;
/**
* Retrieves all indexes of a dataset, acquiring local locks on behalf of
* the given transaction id.
*
- * @param txnId
+ * @param jobId
* A globally unique id for an active metadata transaction.
* @param dataverseName
* Name of dataverse which holds the given dataset.
@@ -189,14 +203,14 @@
* For example, if the dataset and/or dataverse does not exist.
* @throws RemoteException
*/
- public List<Index> getDatasetIndexes(long txnId, String dataverseName, String datasetName)
+ public List<Index> getDatasetIndexes(JobId jobId, String dataverseName, String datasetName)
throws MetadataException, RemoteException;
/**
* Deletes the dataset with given name, and all it's associated indexes,
* acquiring local locks on behalf of the given transaction id.
*
- * @param txnId
+ * @param jobId
* A globally unique id for an active metadata transaction.
* @param dataverseName
* Name of dataverse which holds the given dataset.
@@ -206,7 +220,7 @@
* For example, if the dataset and/or dataverse does not exist.
* @throws RemoteException
*/
- public void dropDataset(long txnId, String dataverseName, String datasetName) throws MetadataException,
+ public void dropDataset(JobId jobId, String dataverseName, String datasetName) throws MetadataException,
RemoteException;
/**
@@ -214,7 +228,7 @@
* the given transaction id. The index itself knows its name, and which
* dataset it belongs to.
*
- * @param txnId
+ * @param jobId
* A globally unique id for an active metadata transaction.
* @param index
* Index instance to be inserted.
@@ -222,13 +236,13 @@
* For example, if the index already exists.
* @throws RemoteException
*/
- public void addIndex(long txnId, Index index) throws MetadataException, RemoteException;
+ public void addIndex(JobId jobId, Index index) throws MetadataException, RemoteException;
/**
* Retrieves the index with given name, in given dataverse and dataset,
* acquiring local locks on behalf of the given transaction id.
*
- * @param txnId
+ * @param jobId
* A globally unique id for an active metadata transaction.
* @param dataverseName
* Name of the datavers holding the given dataset.
@@ -240,14 +254,14 @@
* For example, if the index does not exist.
* @throws RemoteException
*/
- public Index getIndex(long txnId, String dataverseName, String datasetName, String indexName)
+ public Index getIndex(JobId jobId, String dataverseName, String datasetName, String indexName)
throws MetadataException, RemoteException;
/**
* Deletes the index with given name, in given dataverse and dataset,
* acquiring local locks on behalf of the given transaction id.
*
- * @param txnId
+ * @param jobId
* A globally unique id for an active metadata transaction.
* @param dataverseName
* Name of the datavers holding the given dataset.
@@ -258,14 +272,14 @@
* For example, if the index does not exist.
* @throws RemoteException
*/
- public void dropIndex(long txnId, String dataverseName, String datasetName, String indexName)
+ public void dropIndex(JobId jobId, String dataverseName, String datasetName, String indexName)
throws MetadataException, RemoteException;
/**
* Inserts a datatype, acquiring local locks on behalf of the given
* transaction id.
*
- * @param txnId
+ * @param jobId
* A globally unique id for an active metadata transaction.
* @param datatype
* Datatype instance to be inserted.
@@ -273,13 +287,13 @@
* For example, if the datatype already exists.
* @throws RemoteException
*/
- public void addDatatype(long txnId, Datatype datatype) throws MetadataException, RemoteException;
+ public void addDatatype(JobId jobId, Datatype datatype) throws MetadataException, RemoteException;
/**
* Retrieves the datatype with given name in given dataverse, acquiring
* local locks on behalf of the given transaction id.
*
- * @param txnId
+ * @param jobId
* A globally unique id for an active metadata transaction.
* @param dataverseName
* Name of dataverse holding the datatype.
@@ -290,14 +304,14 @@
* For example, if the datatype does not exist.
* @throws RemoteException
*/
- public Datatype getDatatype(long txnId, String dataverseName, String datatypeName) throws MetadataException,
+ public Datatype getDatatype(JobId jobId, String dataverseName, String datatypeName) throws MetadataException,
RemoteException;
/**
* Deletes the given datatype in given dataverse, acquiring local locks on
* behalf of the given transaction id.
*
- * @param txnId
+ * @param jobId
* A globally unique id for an active metadata transaction.
* @param dataverseName
* Name of dataverse holding the datatype.
@@ -308,14 +322,14 @@
* deleted.
* @throws RemoteException
*/
- public void dropDatatype(long txnId, String dataverseName, String datatypeName) throws MetadataException,
+ public void dropDatatype(JobId jobId, String dataverseName, String datatypeName) throws MetadataException,
RemoteException;
/**
* Inserts a node group, acquiring local locks on behalf of the given
* transaction id.
*
- * @param txnId
+ * @param jobId
* A globally unique id for an active metadata transaction.
* @param nodeGroup
* Node group instance to insert.
@@ -323,13 +337,13 @@
* For example, if the node group already exists.
* @throws RemoteException
*/
- public void addNodeGroup(long txnId, NodeGroup nodeGroup) throws MetadataException, RemoteException;
+ public void addNodeGroup(JobId jobId, NodeGroup nodeGroup) throws MetadataException, RemoteException;
/**
* Retrieves a node group, acquiring local locks on behalf of the given
* transaction id.
*
- * @param txnId
+ * @param jobId
* A globally unique id for an active metadata transaction.
* @param nodeGroupName
* Name of node group to be retrieved.
@@ -337,13 +351,13 @@
* For example, if the node group does not exist.
* @throws RemoteException
*/
- public NodeGroup getNodeGroup(long txnId, String nodeGroupName) throws MetadataException, RemoteException;
+ public NodeGroup getNodeGroup(JobId jobId, String nodeGroupName) throws MetadataException, RemoteException;
/**
* Deletes a node group, acquiring local locks on behalf of the given
* transaction id.
*
- * @param txnId
+ * @param jobId
* A globally unique id for an active metadata transaction.
* @param nodeGroupName
* Name of node group to be deleted.
@@ -352,13 +366,13 @@
* group to be deleted.
* @throws RemoteException
*/
- public void dropNodegroup(long txnId, String nodeGroupName) throws MetadataException, RemoteException;
+ public void dropNodegroup(JobId jobId, String nodeGroupName) throws MetadataException, RemoteException;
/**
* Inserts a node (compute node), acquiring local locks on behalf of the
* given transaction id.
*
- * @param txnId
+ * @param jobId
* A globally unique id for an active metadata transaction.
* @param node
* Node instance to be inserted.
@@ -366,10 +380,11 @@
* For example, if the node already exists.
* @throws RemoteException
*/
- public void addNode(long txnId, Node node) throws MetadataException, RemoteException;
+ public void addNode(JobId jobId, Node node) throws MetadataException, RemoteException;
/**
- * @param txnId
+
+ * @param jobId
* A globally unique id for an active metadata transaction.
* @param functionSignature
* An instance of functionSignature representing the function
@@ -377,14 +392,14 @@
* @throws MetadataException
* @throws RemoteException
*/
- public Function getFunction(long txnId, FunctionSignature functionSignature) throws MetadataException,
+ public Function getFunction(JobId jobId, FunctionSignature functionSignature) throws MetadataException,
RemoteException;
/**
* Deletes a function, acquiring local locks on behalf of the given
* transaction id.
*
- * @param txnId
+ * @param jobId
* A globally unique id for an active metadata transaction.
* @param functionSignature
* An instance of functionSignature representing the function
@@ -393,10 +408,10 @@
* group to be deleted.
* @throws RemoteException
*/
- public void dropFunction(long txnId, FunctionSignature functionSignature) throws MetadataException, RemoteException;
+ public void dropFunction(JobId jobId, FunctionSignature functionSignature) throws MetadataException, RemoteException;
/**
- * @param txnId
+ * @param jobId
* A globally unique id for an active metadata transaction.
* @param function
* Function to be inserted
@@ -405,7 +420,7 @@
* unknown function
* @throws RemoteException
*/
- public void addFunction(long txnId, Function function) throws MetadataException, RemoteException;
+ public void addFunction(JobId jobId, Function function) throws MetadataException, RemoteException;
/**
* @param ctx
@@ -414,7 +429,7 @@
* @throws MetadataException
* @throws RemoteException
*/
- public List<Function> getDataverseFunctions(long txnId, String dataverseName) throws MetadataException,
+ public List<Function> getDataverseFunctions(JobId jobId, String dataverseName) throws MetadataException,
RemoteException;
/**
@@ -424,17 +439,17 @@
* @throws MetadataException
* @throws RemoteException
*/
- public List<DatasourceAdapter> getDataverseAdapters(long txnId, String dataverseName) throws MetadataException,
+ public List<DatasourceAdapter> getDataverseAdapters(JobId jobId, String dataverseName) throws MetadataException,
RemoteException;
- public DatasourceAdapter getAdapter(long txnId, String dataverseName, String adapterName) throws MetadataException,
+ public DatasourceAdapter getAdapter(JobId jobId, String dataverseName, String adapterName) throws MetadataException,
RemoteException;
/**
* Deletes a adapter , acquiring local locks on behalf of the given
* transaction id.
*
- * @param txnId
+ * @param jobId
* A globally unique id for an active metadata transaction.
* @param dataverseName
* dataverse asociated with the adapter that is to be deleted.
@@ -443,11 +458,11 @@
* if the adapter does not exists.
* @throws RemoteException
*/
- public void dropAdapter(long txnId, String dataverseName, String adapterName) throws MetadataException,
+ public void dropAdapter(JobId jobId, String dataverseName, String adapterName) throws MetadataException,
RemoteException;
/**
- * @param txnId
+ * @param jobId
* A globally unique id for an active metadata transaction.
* @param adapter
* Adapter to be inserted
@@ -455,6 +470,8 @@
* for example, if the adapter already exists.
* @throws RemoteException
*/
- public void addAdapter(long txnId, DatasourceAdapter adapter) throws MetadataException, RemoteException;
+ public void addAdapter(JobId jobId, DatasourceAdapter adapter) throws MetadataException, RemoteException;
+
+ public void initializeDatasetIdFactory(JobId jobId) throws MetadataException, RemoteException;
}
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/api/IValueExtractor.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/api/IValueExtractor.java
index aec55b5..d8958dd 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/api/IValueExtractor.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/api/IValueExtractor.java
@@ -18,6 +18,7 @@
import java.io.IOException;
import edu.uci.ics.asterix.metadata.MetadataException;
+import edu.uci.ics.asterix.transaction.management.service.transaction.JobId;
import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
@@ -32,7 +33,7 @@
/**
* Extracts an object of type T from a given tuple.
*
- * @param txnId
+ * @param jobId
* A globally unique transaction id.
* @param tuple
* Tuple from which an object shall be extracted.
@@ -41,5 +42,5 @@
* @throws HyracksDataException
* @throws IOException
*/
- public T getValue(long txnId, ITupleReference tuple) throws MetadataException, HyracksDataException, IOException;
+ public T getValue(JobId jobId, ITupleReference tuple) throws MetadataException, HyracksDataException, IOException;
}
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/bootstrap/AsterixProperties.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/bootstrap/AsterixProperties.java
index d0d04ee..71a7de3 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/bootstrap/AsterixProperties.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/bootstrap/AsterixProperties.java
@@ -15,6 +15,7 @@
package edu.uci.ics.asterix.metadata.bootstrap;
+import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
@@ -96,6 +97,19 @@
String ncName = pn.substring(0, pn.indexOf('.'));
val = p.getProperty(pn);
String[] folderNames = val.split("\\s*,\\s*");
+ int i = 0;
+ for (String store : folderNames) {
+ boolean needsStartSep = !store.startsWith(File.separator);
+ boolean needsEndSep = !store.endsWith(File.separator);
+ if (needsStartSep && needsEndSep) {
+ folderNames[i] = File.separator + store + File.separator;
+ } else if (needsStartSep) {
+ folderNames[i] = File.separator + store;
+ } else if (needsEndSep) {
+ folderNames[i] = store + File.separator;
+ }
+ i++;
+ }
stores.put(ncName, folderNames);
nodeNames = new HashSet<String>();
nodeNames.addAll(stores.keySet());
@@ -127,7 +141,7 @@
return nodeNames;
}
- public String getOutputDir() {
+ public String getOutputDir() {
return outputDir;
}
}
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/bootstrap/MetadataBootstrap.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/bootstrap/MetadataBootstrap.java
index d7c23e0..69fdbbb 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/bootstrap/MetadataBootstrap.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/bootstrap/MetadataBootstrap.java
@@ -16,6 +16,7 @@
package edu.uci.ics.asterix.metadata.bootstrap;
import java.io.File;
+import java.rmi.RemoteException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
@@ -26,12 +27,16 @@
import edu.uci.ics.asterix.common.config.DatasetConfig.DatasetType;
import edu.uci.ics.asterix.common.config.DatasetConfig.IndexType;
+import edu.uci.ics.asterix.common.config.GlobalConfig;
import edu.uci.ics.asterix.common.context.AsterixAppRuntimeContext;
+import edu.uci.ics.asterix.common.context.AsterixRuntimeComponentsProvider;
import edu.uci.ics.asterix.external.adapter.factory.IAdapterFactory;
import edu.uci.ics.asterix.external.dataset.adapter.AdapterIdentifier;
import edu.uci.ics.asterix.metadata.IDatasetDetails;
+import edu.uci.ics.asterix.metadata.MetadataException;
import edu.uci.ics.asterix.metadata.MetadataManager;
import edu.uci.ics.asterix.metadata.MetadataTransactionContext;
+import edu.uci.ics.asterix.metadata.api.IMetadataEntity;
import edu.uci.ics.asterix.metadata.api.IMetadataIndex;
import edu.uci.ics.asterix.metadata.entities.AsterixBuiltinTypeMap;
import edu.uci.ics.asterix.metadata.entities.Dataset;
@@ -48,30 +53,36 @@
import edu.uci.ics.asterix.om.types.IAType;
import edu.uci.ics.asterix.runtime.formats.NonTaggedDataFormat;
import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
-import edu.uci.ics.asterix.transaction.management.resource.TransactionalResourceRepository;
-import edu.uci.ics.asterix.transaction.management.service.logging.DataUtil;
-import edu.uci.ics.asterix.transaction.management.service.logging.TreeResourceManager;
+import edu.uci.ics.asterix.transaction.management.resource.ILocalResourceMetadata;
+import edu.uci.ics.asterix.transaction.management.resource.LSMBTreeLocalResourceMetadata;
+import edu.uci.ics.asterix.transaction.management.resource.PersistentLocalResourceFactoryProvider;
+import edu.uci.ics.asterix.transaction.management.resource.TransactionalResourceManagerRepository;
+import edu.uci.ics.asterix.transaction.management.service.logging.IndexResourceManager;
+import edu.uci.ics.asterix.transaction.management.service.transaction.IResourceManager.ResourceType;
import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionManagementConstants.LockManagerConstants.LockMode;
import edu.uci.ics.hyracks.api.application.INCApplicationContext;
import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
import edu.uci.ics.hyracks.api.io.FileReference;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeNSMInteriorFrameFactory;
-import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeNSMLeafFrameFactory;
-import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.common.api.IFreePageManager;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
+import edu.uci.ics.hyracks.api.io.IIOManager;
+import edu.uci.ics.hyracks.storage.am.common.api.IInMemoryFreePageManager;
+import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManager;
import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexMetaDataFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IndexRegistry;
import edu.uci.ics.hyracks.storage.am.common.frames.LIFOMetaDataFrameFactory;
-import edu.uci.ics.hyracks.storage.am.common.freepage.LinkedListFreePageManager;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
-import edu.uci.ics.hyracks.storage.am.common.tuples.TypeAwareTupleWriterFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.btree.impls.LSMBTree;
+import edu.uci.ics.hyracks.storage.am.lsm.btree.util.LSMBTreeUtils;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.IInMemoryBufferCache;
+import edu.uci.ics.hyracks.storage.am.lsm.common.freepage.InMemoryBufferCache;
+import edu.uci.ics.hyracks.storage.am.lsm.common.freepage.InMemoryFreePageManager;
+import edu.uci.ics.hyracks.storage.common.buffercache.HeapBufferAllocator;
import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import edu.uci.ics.hyracks.storage.common.file.ILocalResourceFactory;
+import edu.uci.ics.hyracks.storage.common.file.ILocalResourceFactoryProvider;
+import edu.uci.ics.hyracks.storage.common.file.ILocalResourceRepository;
+import edu.uci.ics.hyracks.storage.common.file.LocalResource;
+import edu.uci.ics.hyracks.storage.common.file.TransientFileMapManager;
/**
* Initializes the remote metadata storage facilities ("universe") using a
@@ -83,17 +94,23 @@
* stopUniverse() should be called upon application undeployment.
*/
public class MetadataBootstrap {
+ private static final Logger LOGGER = Logger.getLogger(MetadataBootstrap.class.getName());
+ private static final int DEFAULT_MEM_PAGE_SIZE = 32768;
+ private static final int DEFAULT_MEM_NUM_PAGES = 100;
+
+ private static AsterixAppRuntimeContext runtimeContext;
+
private static IBufferCache bufferCache;
private static IFileMapProvider fileMapProvider;
- private static IndexRegistry<IIndex> btreeRegistry;
+ private static IIndexLifecycleManager indexLifecycleManager;
+ private static ILocalResourceRepository localResourceRepository;
+ private static IIOManager ioManager;
private static String metadataNodeName;
private static String metadataStore;
private static HashSet<String> nodeNames;
private static String outputDir;
- private static final Logger LOGGER = Logger.getLogger(MetadataBootstrap.class.getName());
-
private static IMetadataIndex[] primaryIndexes;
private static IMetadataIndex[] secondaryIndexes;
@@ -110,8 +127,7 @@
public static void startUniverse(AsterixProperties asterixProperties, INCApplicationContext ncApplicationContext)
throws Exception {
- AsterixAppRuntimeContext runtimeContext = (AsterixAppRuntimeContext) ncApplicationContext
- .getApplicationObject();
+ runtimeContext = (AsterixAppRuntimeContext) ncApplicationContext.getApplicationObject();
// Initialize static metadata objects, such as record types and metadata
// index descriptors.
@@ -123,10 +139,14 @@
initLocalIndexArrays();
boolean isNewUniverse = true;
- TransactionalResourceRepository resourceRepository = runtimeContext.getTransactionProvider()
+ TransactionalResourceManagerRepository resourceRepository = runtimeContext.getTransactionSubsystem()
.getTransactionalResourceRepository();
- resourceRepository.registerTransactionalResourceManager(TreeResourceManager.ID, new TreeResourceManager(
- runtimeContext.getTransactionProvider()));
+ resourceRepository.registerTransactionalResourceManager(ResourceType.LSM_BTREE, new IndexResourceManager(
+ ResourceType.LSM_BTREE, runtimeContext.getTransactionSubsystem()));
+ resourceRepository.registerTransactionalResourceManager(ResourceType.LSM_RTREE, new IndexResourceManager(
+ ResourceType.LSM_RTREE, runtimeContext.getTransactionSubsystem()));
+ resourceRepository.registerTransactionalResourceManager(ResourceType.LSM_INVERTED_INDEX,
+ new IndexResourceManager(ResourceType.LSM_INVERTED_INDEX, runtimeContext.getTransactionSubsystem()));
metadataNodeName = asterixProperties.getMetadataNodeName();
isNewUniverse = asterixProperties.isNewUniverse();
@@ -139,32 +159,26 @@
(new File(outputDir)).mkdirs();
}
- btreeRegistry = runtimeContext.getIndexRegistry();
+ indexLifecycleManager = runtimeContext.getIndexLifecycleManager();
+ localResourceRepository = runtimeContext.getLocalResourceRepository();
bufferCache = runtimeContext.getBufferCache();
fileMapProvider = runtimeContext.getFileMapManager();
+ ioManager = ncApplicationContext.getRootContext().getIOManager();
- // Create fileRefs to all BTree files and open them in BufferCache.
- for (int i = 0; i < primaryIndexes.length; i++) {
- openIndexFile(primaryIndexes[i]);
- }
- for (int i = 0; i < secondaryIndexes.length; i++) {
- openIndexFile(secondaryIndexes[i]);
- }
+ if (isNewUniverse) {
+ //Do checkpoint only if it is new universe
+ runtimeContext.getTransactionSubsystem().getRecoveryManager().checkpoint(false);
+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+ try {
+ // Begin a transaction against the metadata.
+ // Lock the metadata in X mode.
+ MetadataManager.INSTANCE.lock(mdTxnCtx, LockMode.X);
- // Begin a transaction against the metadata.
- // Lock the metadata in X mode.
- MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
- MetadataManager.INSTANCE.lock(mdTxnCtx, LockMode.EXCLUSIVE);
-
- try {
- if (isNewUniverse) {
for (int i = 0; i < primaryIndexes.length; i++) {
- createIndex(primaryIndexes[i]);
- registerTransactionalResource(primaryIndexes[i], resourceRepository);
+ enlistMetadataDataset(primaryIndexes[i], true);
}
for (int i = 0; i < secondaryIndexes.length; i++) {
- createIndex(secondaryIndexes[i]);
- registerTransactionalResource(secondaryIndexes[i], resourceRepository);
+ enlistMetadataDataset(secondaryIndexes[i], true);
}
insertInitialDataverses(mdTxnCtx);
insertInitialDatasets(mdTxnCtx);
@@ -173,72 +187,47 @@
insertNodes(mdTxnCtx);
insertInitialGroups(mdTxnCtx);
insertInitialAdapters(mdTxnCtx);
- LOGGER.info("FINISHED CREATING METADATA B-TREES.");
- } else {
- for (int i = 0; i < primaryIndexes.length; i++) {
- enlistMetadataDataset(primaryIndexes[i]);
- registerTransactionalResource(primaryIndexes[i], resourceRepository);
- }
- for (int i = 0; i < secondaryIndexes.length; i++) {
- enlistMetadataDataset(secondaryIndexes[i]);
- registerTransactionalResource(secondaryIndexes[i], resourceRepository);
- }
- LOGGER.info("FINISHED ENLISTMENT OF METADATA B-TREES.");
+
+ MetadataManager.INSTANCE.initializeDatasetIdFactory(mdTxnCtx);
+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+ } catch (Exception e) {
+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+ throw e;
}
- MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
- } catch (Exception e) {
- MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
- throw e;
+ LOGGER.info("FINISHED CREATING METADATA B-TREES.");
+ } else {
+ for (int i = 0; i < primaryIndexes.length; i++) {
+ enlistMetadataDataset(primaryIndexes[i], false);
+ }
+ for (int i = 0; i < secondaryIndexes.length; i++) {
+ enlistMetadataDataset(secondaryIndexes[i], false);
+ }
+ LOGGER.info("FINISHED ENLISTMENT OF METADATA B-TREES.");
}
+
}
public static void stopUniverse() throws HyracksDataException {
- try {
- // Close all BTree files in BufferCache.
- for (int i = 0; i < primaryIndexes.length; i++) {
- bufferCache.closeFile(primaryIndexes[i].getFileId());
- }
- for (int i = 0; i < secondaryIndexes.length; i++) {
- bufferCache.closeFile(secondaryIndexes[i].getFileId());
- }
- } catch (HyracksDataException e) {
- // Ignore for now.
- // TODO: If multiple NCs are running in the same VM, then we could
- // have multiple NCs undeploying asterix concurrently.
- // It would also mean that there is only one BufferCache. A
- // pathological sequence of events would be that NC2
- // closes the BufferCache and then NC1 enters this portion of the
- // code and tries to close unopened files.
- // What we really want is to check whether the BufferCache is open
- // in a synchronized block.
- // The BufferCache api currently does not allow us to check for
- // openness.
- // Swallowing the exceptions is a simple fix for now.
+ // Close all BTree files in BufferCache.
+ for (int i = 0; i < primaryIndexes.length; i++) {
+ long resourceID = localResourceRepository
+ .getResourceByName(primaryIndexes[i].getFile().getFile().getPath()).getResourceId();
+ indexLifecycleManager.close(resourceID);
+ indexLifecycleManager.unregister(resourceID);
}
- }
-
- private static void openIndexFile(IMetadataIndex index) throws HyracksDataException, ACIDException {
- String filePath = metadataStore + index.getFileNameRelativePath();
- FileReference file = new FileReference(new File(filePath));
- bufferCache.createFile(file);
- int fileId = fileMapProvider.lookupFileId(file);
- bufferCache.openFile(fileId);
- index.setFileId(fileId);
- }
-
- private static void registerTransactionalResource(IMetadataIndex index,
- TransactionalResourceRepository resourceRepository) throws ACIDException {
- int fileId = index.getFileId();
- ITreeIndex treeIndex = (ITreeIndex) btreeRegistry.get(fileId);
- byte[] resourceId = DataUtil.intToByteArray(fileId);
- resourceRepository.registerTransactionalResource(resourceId, treeIndex);
- index.initTreeLogger(treeIndex);
+ for (int i = 0; i < secondaryIndexes.length; i++) {
+ long resourceID = localResourceRepository.getResourceByName(
+ secondaryIndexes[i].getFile().getFile().getPath()).getResourceId();
+ indexLifecycleManager.close(resourceID);
+ indexLifecycleManager.unregister(resourceID);
+ }
}
public static void insertInitialDataverses(MetadataTransactionContext mdTxnCtx) throws Exception {
String dataverseName = MetadataPrimaryIndexes.DATAVERSE_DATASET.getDataverseName();
String dataFormat = NonTaggedDataFormat.NON_TAGGED_DATA_FORMAT;
- MetadataManager.INSTANCE.addDataverse(mdTxnCtx, new Dataverse(dataverseName, dataFormat));
+ MetadataManager.INSTANCE.addDataverse(mdTxnCtx, new Dataverse(dataverseName, dataFormat,
+ IMetadataEntity.PENDING_NO_OP));
}
public static void insertInitialDatasets(MetadataTransactionContext mdTxnCtx) throws Exception {
@@ -248,7 +237,7 @@
primaryIndexes[i].getNodeGroupName());
MetadataManager.INSTANCE.addDataset(mdTxnCtx, new Dataset(primaryIndexes[i].getDataverseName(),
primaryIndexes[i].getIndexedDatasetName(), primaryIndexes[i].getPayloadRecordType().getTypeName(),
- id, new HashMap<String,String>(), DatasetType.INTERNAL));
+ id, new HashMap<String,String>(), DatasetType.INTERNAL, primaryIndexes[i].getDatasetId().getId(), IMetadataEntity.PENDING_NO_OP));
}
}
@@ -279,7 +268,7 @@
for (int i = 0; i < secondaryIndexes.length; i++) {
MetadataManager.INSTANCE.addIndex(mdTxnCtx, new Index(secondaryIndexes[i].getDataverseName(),
secondaryIndexes[i].getIndexedDatasetName(), secondaryIndexes[i].getIndexName(), IndexType.BTREE,
- secondaryIndexes[i].getPartitioningExpr(), false));
+ secondaryIndexes[i].getPartitioningExpr(), false, IMetadataEntity.PENDING_NO_OP));
}
}
@@ -332,34 +321,54 @@
adapterFactoryClassName, DatasourceAdapter.AdapterType.INTERNAL);
}
- public static void createIndex(IMetadataIndex dataset) throws Exception {
- int fileId = dataset.getFileId();
- ITypeTraits[] typeTraits = dataset.getTypeTraits();
- IBinaryComparatorFactory[] comparatorFactories = dataset.getKeyBinaryComparatorFactory();
- TypeAwareTupleWriterFactory tupleWriterFactory = new TypeAwareTupleWriterFactory(typeTraits);
- ITreeIndexFrameFactory leafFrameFactory = new BTreeNSMLeafFrameFactory(tupleWriterFactory);
- ITreeIndexFrameFactory interiorFrameFactory = new BTreeNSMInteriorFrameFactory(tupleWriterFactory);
+ public static void enlistMetadataDataset(IMetadataIndex index, boolean create) throws Exception {
+ String filePath = metadataStore + index.getFileNameRelativePath();
+ FileReference file = new FileReference(new File(filePath));
+ IInMemoryBufferCache memBufferCache = new InMemoryBufferCache(new HeapBufferAllocator(), DEFAULT_MEM_PAGE_SIZE,
+ DEFAULT_MEM_NUM_PAGES, new TransientFileMapManager());
+ ITypeTraits[] typeTraits = index.getTypeTraits();
+ IBinaryComparatorFactory[] comparatorFactories = index.getKeyBinaryComparatorFactory();
+ int[] bloomFilterKeyFields = index.getBloomFilterKeyFields();
ITreeIndexMetaDataFrameFactory metaDataFrameFactory = new LIFOMetaDataFrameFactory();
- IFreePageManager freePageManager = new LinkedListFreePageManager(bufferCache, 0, metaDataFrameFactory);
- BTree btree = new BTree(bufferCache, NoOpOperationCallback.INSTANCE, typeTraits.length, comparatorFactories,
- freePageManager, interiorFrameFactory, leafFrameFactory);
- btree.create(fileId);
- btreeRegistry.register(fileId, btree);
- }
+ IInMemoryFreePageManager memFreePageManager = new InMemoryFreePageManager(DEFAULT_MEM_NUM_PAGES,
+ metaDataFrameFactory);
+ LSMBTree lsmBtree = null;
+ long resourceID = -1;
+ if (create) {
+ lsmBtree = LSMBTreeUtils.createLSMTree(memBufferCache, memFreePageManager, ioManager, file,
+ bufferCache, fileMapProvider, typeTraits, comparatorFactories, bloomFilterKeyFields,
+ runtimeContext.getLSMMergePolicy(), runtimeContext.getLSMBTreeOperationTrackerFactory(),
+ runtimeContext.getLSMIOScheduler(), AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER);
+ lsmBtree.create();
+ resourceID = runtimeContext.getResourceIdFactory().createId();
+ indexLifecycleManager.register(resourceID, lsmBtree);
- public static void enlistMetadataDataset(IMetadataIndex dataset) throws Exception {
- int fileId = dataset.getFileId();
- ITypeTraits[] typeTraits = dataset.getTypeTraits();
- IBinaryComparatorFactory[] comparatorFactories = dataset.getKeyBinaryComparatorFactory();
- TypeAwareTupleWriterFactory tupleWriterFactory = new TypeAwareTupleWriterFactory(typeTraits);
- ITreeIndexFrameFactory leafFrameFactory = new BTreeNSMLeafFrameFactory(tupleWriterFactory);
- ITreeIndexFrameFactory interiorFrameFactory = new BTreeNSMInteriorFrameFactory(tupleWriterFactory);
- ITreeIndexMetaDataFrameFactory metaDataFrameFactory = new LIFOMetaDataFrameFactory();
- IFreePageManager freePageManager = new LinkedListFreePageManager(bufferCache, 0, metaDataFrameFactory);
- BTree btree = new BTree(bufferCache, NoOpOperationCallback.INSTANCE, typeTraits.length, comparatorFactories,
- freePageManager, interiorFrameFactory, leafFrameFactory);
- btreeRegistry.register(fileId, btree);
+ ILocalResourceMetadata localResourceMetadata = new LSMBTreeLocalResourceMetadata(typeTraits,
+ comparatorFactories, bloomFilterKeyFields, index.isPrimaryIndex(),
+ GlobalConfig.DEFAULT_INDEX_MEM_PAGE_SIZE, GlobalConfig.DEFAULT_INDEX_MEM_NUM_PAGES);
+ ILocalResourceFactoryProvider localResourceFactoryProvider = new PersistentLocalResourceFactoryProvider(
+ localResourceMetadata, LocalResource.LSMBTreeResource);
+ ILocalResourceFactory localResourceFactory = localResourceFactoryProvider.getLocalResourceFactory();
+ localResourceRepository.insert(localResourceFactory.createLocalResource(resourceID, file.getFile()
+ .getPath(), 0));
+ } else {
+ resourceID = localResourceRepository.getResourceByName(file.getFile().getPath()).getResourceId();
+ lsmBtree = (LSMBTree) indexLifecycleManager.getIndex(resourceID);
+ if (lsmBtree == null) {
+ lsmBtree = LSMBTreeUtils.createLSMTree(memBufferCache, memFreePageManager, ioManager, file,
+ bufferCache, fileMapProvider, typeTraits, comparatorFactories, bloomFilterKeyFields,
+ runtimeContext.getLSMMergePolicy(), runtimeContext.getLSMBTreeOperationTrackerFactory(),
+ runtimeContext.getLSMIOScheduler(), AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER);
+ indexLifecycleManager.register(resourceID, lsmBtree);
+ }
+ }
+
+ index.setResourceID(resourceID);
+ index.setFile(file);
+ indexLifecycleManager.open(resourceID);
}
+
+
public static String getOutputDir() {
return outputDir;
@@ -369,4 +378,51 @@
return metadataNodeName;
}
+ public static void startDDLRecovery() throws RemoteException, ACIDException, MetadataException {
+ //#. clean up any record which has pendingAdd/DelOp flag
+ // as traversing all records from DATAVERSE_DATASET to DATASET_DATASET, and then to INDEX_DATASET.
+ String dataverseName = null;
+ String datasetName = null;
+ String indexName = null;
+ MetadataTransactionContext mdTxnCtx = null;
+
+ MetadataManager.INSTANCE.acquireWriteLatch();
+
+ try {
+ mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+
+ List<Dataverse> dataverses = MetadataManager.INSTANCE.getDataverses(mdTxnCtx);
+ for (Dataverse dataverse : dataverses) {
+ dataverseName = dataverse.getDataverseName();
+ if (dataverse.getPendingOp() != IMetadataEntity.PENDING_NO_OP) {
+ //drop pending dataverse
+ MetadataManager.INSTANCE.dropDataverse(mdTxnCtx, dataverseName);
+ } else {
+ List<Dataset> datasets = MetadataManager.INSTANCE.getDataverseDatasets(mdTxnCtx, dataverseName);
+ for (Dataset dataset : datasets) {
+ datasetName = dataset.getDatasetName();
+ if (dataset.getPendingOp() != IMetadataEntity.PENDING_NO_OP) {
+ //drop pending dataset
+ MetadataManager.INSTANCE.dropDataset(mdTxnCtx, dataverseName, datasetName);
+ } else {
+ List<Index> indexes = MetadataManager.INSTANCE.getDatasetIndexes(mdTxnCtx, dataverseName,
+ datasetName);
+ for (Index index : indexes) {
+ indexName = index.getIndexName();
+ if (index.getPendingOp() != IMetadataEntity.PENDING_NO_OP) {
+ //drop pending index
+ MetadataManager.INSTANCE.dropIndex(mdTxnCtx, dataverseName, datasetName, indexName);
+ }
+ }
+ }
+ }
+ }
+ }
+ } catch (Exception e) {
+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+ throw new MetadataException(e);
+ } finally {
+ MetadataManager.INSTANCE.releaseWriteLatch();
+ }
+ }
}
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/bootstrap/MetadataIndex.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/bootstrap/MetadataIndex.java
index 5fcac2e..c0ce030 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/bootstrap/MetadataIndex.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/bootstrap/MetadataIndex.java
@@ -28,14 +28,16 @@
import edu.uci.ics.asterix.om.types.ARecordType;
import edu.uci.ics.asterix.om.types.IAType;
import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
-import edu.uci.ics.asterix.transaction.management.service.logging.DataUtil;
-import edu.uci.ics.asterix.transaction.management.service.logging.TreeLogger;
+import edu.uci.ics.asterix.transaction.management.service.logging.IndexLogger;
+import edu.uci.ics.asterix.transaction.management.service.transaction.DatasetId;
+import edu.uci.ics.asterix.transaction.management.service.transaction.IResourceManager.ResourceType;
import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunctionFactory;
import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
+import edu.uci.ics.hyracks.api.io.FileReference;
+import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
/**
* Descriptor for a primary or secondary index on metadata datasets.
@@ -51,6 +53,8 @@
protected final String[] keyNames;
// Field permutation for BTree insert. Auto-created based on numFields.
protected final int[] fieldPermutation;
+ // Key Fields that will be used for the bloom filters in the LSM-btree.
+ protected final int[] bloomFilterKeyFields;
// Type of payload record for primary indexes. null for secondary indexes.
protected final ARecordType payloadType;
// Record descriptor of btree tuple. Created in c'tor.
@@ -61,15 +65,22 @@
protected final IBinaryComparatorFactory[] bcfs;
// Hash function factories for key fields of btree tuple. Created in c'tor.
protected final IBinaryHashFunctionFactory[] bhffs;
+
+ protected FileReference file;
// Identifier of file BufferCache backing this metadata btree index.
protected int fileId;
// Resource id of this index for use in transactions.
- protected byte[] indexResourceId;
- // Logger for tree indexes.
- private TreeLogger treeLogger;
+ protected long resourceId;
+ // datasetId
+ private final DatasetId datasetId;
+ // Flag of primary index
+ protected final boolean isPrimaryIndex;
+ // PrimaryKeyField indexes used for secondary index operations
+ protected final int[] primaryKeyIndexes;
public MetadataIndex(String datasetName, String indexName, int numFields, IAType[] keyTypes, String[] keyNames,
- ARecordType payloadType) throws AsterixRuntimeException {
+ int numSecondaryIndexKeys, ARecordType payloadType, int datasetId, boolean isPrimaryIndex,
+ int[] primaryKeyIndexes) throws AsterixRuntimeException {
// Sanity checks.
if (keyTypes.length != keyNames.length) {
throw new AsterixRuntimeException("Unequal number of key types and names given.");
@@ -115,14 +126,31 @@
// Create binary comparator factories.
bcfs = new IBinaryComparatorFactory[keyTypes.length];
for (int i = 0; i < keyTypes.length; i++) {
- bcfs[i] = AqlBinaryComparatorFactoryProvider.INSTANCE
- .getBinaryComparatorFactory(keyTypes[i], true);
+ bcfs[i] = AqlBinaryComparatorFactoryProvider.INSTANCE.getBinaryComparatorFactory(keyTypes[i], true);
}
// Create binary hash function factories.
bhffs = new IBinaryHashFunctionFactory[keyTypes.length];
for (int i = 0; i < keyTypes.length; i++) {
bhffs[i] = AqlBinaryHashFunctionFactoryProvider.INSTANCE.getBinaryHashFunctionFactory(keyTypes[i]);
}
+
+ if (isPrimaryIndex) {
+ bloomFilterKeyFields = new int[primaryKeyIndexes.length];
+ for (int i = 0; i < primaryKeyIndexes.length; ++i) {
+ bloomFilterKeyFields[i] = primaryKeyIndexes[i];
+ }
+ } else {
+ bloomFilterKeyFields = new int[numSecondaryIndexKeys];
+ for (int i = 0; i < numSecondaryIndexKeys; ++i) {
+ bloomFilterKeyFields[i] = i;
+ }
+ }
+
+ this.datasetId = new DatasetId(datasetId);
+ this.isPrimaryIndex = isPrimaryIndex;
+
+ //PrimaryKeyFieldIndexes
+ this.primaryKeyIndexes = primaryKeyIndexes;
}
@Override
@@ -136,6 +164,11 @@
}
@Override
+ public int[] getBloomFilterKeyFields() {
+ return bloomFilterKeyFields;
+ }
+
+ @Override
public int getKeyFieldCount() {
return keyTypes.length;
}
@@ -197,12 +230,6 @@
@Override
public void setFileId(int fileId) {
this.fileId = fileId;
- this.indexResourceId = DataUtil.intToByteArray(fileId);
- }
-
- @Override
- public void initTreeLogger(ITreeIndex treeIndex) throws ACIDException {
- this.treeLogger = new TreeLogger(indexResourceId, treeIndex);
}
@Override
@@ -216,11 +243,37 @@
}
@Override
- public byte[] getResourceId() {
- return indexResourceId;
+ public void setFile(FileReference file) {
+ this.file = file;
}
- public TreeLogger getTreeLogger() {
- return treeLogger;
+ @Override
+ public FileReference getFile() {
+ return this.file;
+ }
+
+ @Override
+ public void setResourceID(long resourceID) {
+ this.resourceId = resourceID;
+ }
+
+ @Override
+ public long getResourceID() {
+ return resourceId;
+ }
+
+ @Override
+ public DatasetId getDatasetId() {
+ return datasetId;
+ }
+
+ @Override
+ public boolean isPrimaryIndex() {
+ return isPrimaryIndex;
+ }
+
+ @Override
+ public int[] getPrimaryKeyIndexes() {
+ return primaryKeyIndexes;
}
}
\ No newline at end of file
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/bootstrap/MetadataPrimaryIndexes.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/bootstrap/MetadataPrimaryIndexes.java
index b1f6796..2fc3e59 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/bootstrap/MetadataPrimaryIndexes.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/bootstrap/MetadataPrimaryIndexes.java
@@ -32,6 +32,18 @@
public static IMetadataIndex NODE_DATASET;
public static IMetadataIndex NODEGROUP_DATASET;
public static IMetadataIndex FUNCTION_DATASET;
+
+ public static final int METADATA_DATASET_ID = 0;
+ public static final int DATAVERSE_DATASET_ID = 1;
+ public static final int DATASET_DATASET_ID = 2;
+ public static final int DATATYPE_DATASET_ID = 3;
+ public static final int INDEX_DATASET_ID = 4;
+ public static final int NODE_DATASET_ID = 5;
+ public static final int NODEGROUP_DATASET_ID = 6;
+ public static final int FUNCTION_DATASET_ID = 7;
+ public static final int DATASOURCE_ADAPTER_DATASET_ID = 8;
+ public static final int FIRST_AVAILABLE_USER_DATASET_ID = 100;
+
public static IMetadataIndex DATASOURCE_ADAPTER_DATASET;
/**
@@ -49,33 +61,37 @@
}
DATAVERSE_DATASET = new MetadataIndex("Dataverse", null, 2, new IAType[] { BuiltinType.ASTRING },
- new String[] { "DataverseName" }, MetadataRecordTypes.DATAVERSE_RECORDTYPE);
+ new String[] { "DataverseName" }, 0, MetadataRecordTypes.DATAVERSE_RECORDTYPE, DATAVERSE_DATASET_ID,
+ true, new int[] { 0 });
DATASET_DATASET = new MetadataIndex("Dataset", null, 3,
new IAType[] { BuiltinType.ASTRING, BuiltinType.ASTRING }, new String[] { "DataverseName",
- "DatasetName" }, MetadataRecordTypes.DATASET_RECORDTYPE);
+ "DatasetName" }, 0, MetadataRecordTypes.DATASET_RECORDTYPE, DATASET_DATASET_ID, true,
+ new int[] { 0, 1 });
DATATYPE_DATASET = new MetadataIndex("Datatype", null, 3, new IAType[] { BuiltinType.ASTRING,
- BuiltinType.ASTRING }, new String[] { "DataverseName", "DatatypeName" },
- MetadataRecordTypes.DATATYPE_RECORDTYPE);
+ BuiltinType.ASTRING }, new String[] { "DataverseName", "DatatypeName" }, 0,
+ MetadataRecordTypes.DATATYPE_RECORDTYPE, DATATYPE_DATASET_ID, true, new int[] { 0, 1 });
INDEX_DATASET = new MetadataIndex("Index", null, 4, new IAType[] { BuiltinType.ASTRING, BuiltinType.ASTRING,
- BuiltinType.ASTRING }, new String[] { "DataverseName", "DatasetName", "IndexName" },
- MetadataRecordTypes.INDEX_RECORDTYPE);
+ BuiltinType.ASTRING }, new String[] { "DataverseName", "DatasetName", "IndexName" }, 0,
+ MetadataRecordTypes.INDEX_RECORDTYPE, INDEX_DATASET_ID, true, new int[] { 0, 1, 2 });
NODE_DATASET = new MetadataIndex("Node", null, 2, new IAType[] { BuiltinType.ASTRING },
- new String[] { "NodeName" }, MetadataRecordTypes.NODE_RECORDTYPE);
+ new String[] { "NodeName" }, 0, MetadataRecordTypes.NODE_RECORDTYPE, NODE_DATASET_ID, true,
+ new int[] { 0 });
NODEGROUP_DATASET = new MetadataIndex("Nodegroup", null, 2, new IAType[] { BuiltinType.ASTRING },
- new String[] { "GroupName" }, MetadataRecordTypes.NODEGROUP_RECORDTYPE);
+ new String[] { "GroupName" }, 0, MetadataRecordTypes.NODEGROUP_RECORDTYPE, NODEGROUP_DATASET_ID, true,
+ new int[] { 0 });
FUNCTION_DATASET = new MetadataIndex("Function", null, 4, new IAType[] { BuiltinType.ASTRING,
- BuiltinType.ASTRING, BuiltinType.ASTRING }, new String[] { "DataverseName", "Name", "Arity" },
- MetadataRecordTypes.FUNCTION_RECORDTYPE);
+ BuiltinType.ASTRING, BuiltinType.ASTRING }, new String[] { "DataverseName", "Name", "Arity" }, 0,
+ MetadataRecordTypes.FUNCTION_RECORDTYPE, FUNCTION_DATASET_ID, true, new int[] { 0, 1, 2 });
- DATASOURCE_ADAPTER_DATASET = new MetadataIndex("DatasourceAdapter", null, 3,
- new IAType[] { BuiltinType.ASTRING, BuiltinType.ASTRING }, new String[] { "DataverseName", "Name" },
- MetadataRecordTypes.DATASOURCE_ADAPTER_RECORDTYPE);
-
+ DATASOURCE_ADAPTER_DATASET = new MetadataIndex("DatasourceAdapter", null, 3, new IAType[] {
+ BuiltinType.ASTRING, BuiltinType.ASTRING }, new String[] { "DataverseName", "Name" }, 0,
+ MetadataRecordTypes.DATASOURCE_ADAPTER_RECORDTYPE, DATASOURCE_ADAPTER_DATASET_ID, true, new int[] { 0,
+ 1 });
}
}
\ No newline at end of file
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/bootstrap/MetadataRecordTypes.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/bootstrap/MetadataRecordTypes.java
index 679c2db..50681ee 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/bootstrap/MetadataRecordTypes.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/bootstrap/MetadataRecordTypes.java
@@ -86,10 +86,12 @@
public static final int DATAVERSE_ARECORD_NAME_FIELD_INDEX = 0;
public static final int DATAVERSE_ARECORD_FORMAT_FIELD_INDEX = 1;
public static final int DATAVERSE_ARECORD_TIMESTAMP_FIELD_INDEX = 2;
+ public static final int DATAVERSE_ARECORD_PENDINGOP_FIELD_INDEX = 3;
private static final ARecordType createDataverseRecordType() throws AsterixException {
- return new ARecordType("DataverseRecordType", new String[] { "DataverseName", "DataFormat", "Timestamp" },
- new IAType[] { BuiltinType.ASTRING, BuiltinType.ASTRING, BuiltinType.ASTRING }, true);
+ return new ARecordType("DataverseRecordType", new String[] { "DataverseName", "DataFormat", "Timestamp",
+ "PendingOp" }, new IAType[] { BuiltinType.ASTRING, BuiltinType.ASTRING, BuiltinType.ASTRING,
+ BuiltinType.AINT32 }, true);
}
// Helper constants for accessing fields in an ARecord of anonymous type
@@ -161,8 +163,6 @@
return new ARecordType(null, fieldNames, fieldTypes, true);
}
- // Helper constants for accessing fields in an ARecord of type
- // DatasetRecordType.
public static final int DATASET_ARECORD_DATAVERSENAME_FIELD_INDEX = 0;
public static final int DATASET_ARECORD_DATASETNAME_FIELD_INDEX = 1;
public static final int DATASET_ARECORD_DATATYPENAME_FIELD_INDEX = 2;
@@ -172,10 +172,12 @@
public static final int DATASET_ARECORD_FEEDDETAILS_FIELD_INDEX = 6;
public static final int DATASET_ARECORD_HINTS_FIELD_INDEX = 7;
public static final int DATASET_ARECORD_TIMESTAMP_FIELD_INDEX = 8;
+ public static final int DATASET_ARECORD_DATASETID_FIELD_INDEX = 9;
+ public static final int DATASET_ARECORD_PENDINGOP_FIELD_INDEX = 10;
private static final ARecordType createDatasetRecordType() throws AsterixException {
String[] fieldNames = { "DataverseName", "DatasetName", "DataTypeName", "DatasetType", "InternalDetails",
- "ExternalDetails", "FeedDetails", "Hints", "Timestamp" };
+ "ExternalDetails", "FeedDetails", "Hints", "Timestamp", "DatasetId", "PendingOp" };
List<IAType> internalRecordUnionList = new ArrayList<IAType>();
internalRecordUnionList.add(BuiltinType.ANULL);
@@ -196,7 +198,7 @@
IAType[] fieldTypes = { BuiltinType.ASTRING, BuiltinType.ASTRING, BuiltinType.ASTRING, BuiltinType.ASTRING,
internalRecordUnion, externalRecordUnion, feedRecordUnion, unorderedListOfHintsType,
- BuiltinType.ASTRING };
+ BuiltinType.ASTRING, BuiltinType.AINT32, BuiltinType.AINT32 };
return new ARecordType("DatasetRecordType", fieldNames, fieldTypes, true);
}
@@ -281,13 +283,14 @@
public static final int INDEX_ARECORD_SEARCHKEY_FIELD_INDEX = 4;
public static final int INDEX_ARECORD_ISPRIMARY_FIELD_INDEX = 5;
public static final int INDEX_ARECORD_TIMESTAMP_FIELD_INDEX = 6;
+ public static final int INDEX_ARECORD_PENDINGOP_FIELD_INDEX = 7;
private static final ARecordType createIndexRecordType() throws AsterixException {
AOrderedListType olType = new AOrderedListType(BuiltinType.ASTRING, null);
String[] fieldNames = { "DataverseName", "DatasetName", "IndexName", "IndexStructure", "SearchKey",
- "IsPrimary", "Timestamp" };
+ "IsPrimary", "Timestamp", "PendingOp" };
IAType[] fieldTypes = { BuiltinType.ASTRING, BuiltinType.ASTRING, BuiltinType.ASTRING, BuiltinType.ASTRING,
- olType, BuiltinType.ABOOLEAN, BuiltinType.ASTRING };
+ olType, BuiltinType.ABOOLEAN, BuiltinType.ASTRING, BuiltinType.AINT32 };
return new ARecordType("IndexRecordType", fieldNames, fieldTypes, true);
};
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/bootstrap/MetadataSecondaryIndexes.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/bootstrap/MetadataSecondaryIndexes.java
index a23e7d7..a0da856 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/bootstrap/MetadataSecondaryIndexes.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/bootstrap/MetadataSecondaryIndexes.java
@@ -44,14 +44,17 @@
GROUPNAME_ON_DATASET_INDEX = new MetadataIndex("Dataset", "GroupName", 3, new IAType[] { BuiltinType.ASTRING,
BuiltinType.ASTRING, BuiltinType.ASTRING },
- new String[] { "GroupName", "DataverseName", "DatasetName" }, null);
+ new String[] { "GroupName", "DataverseName", "DatasetName" }, 1, null,
+ MetadataPrimaryIndexes.DATASET_DATASET_ID, false, new int[] { 1, 2 });
DATATYPENAME_ON_DATASET_INDEX = new MetadataIndex("Dataset", "DatatypeName", 3, new IAType[] {
BuiltinType.ASTRING, BuiltinType.ASTRING, BuiltinType.ASTRING }, new String[] { "DataverseName",
- "DatatypeName", "DatasetName" }, null);
+ "DatatypeName", "DatasetName" }, 2, null, MetadataPrimaryIndexes.DATASET_DATASET_ID, false, new int[] {
+ 0, 2 });
DATATYPENAME_ON_DATATYPE_INDEX = new MetadataIndex("Datatype", "DatatypeName", 3, new IAType[] {
BuiltinType.ASTRING, BuiltinType.ASTRING, BuiltinType.ASTRING }, new String[] { "DataverseName",
- "NestedDatatypeName", "TopDatatypeName" }, null);
+ "NestedDatatypeName", "TopDatatypeName" }, 2, null, MetadataPrimaryIndexes.DATATYPE_DATASET_ID, false,
+ new int[] { 0, 2 });
}
}
\ No newline at end of file
diff --git a/asterix-algebra/src/main/java/edu/uci/ics/asterix/translator/DatasetHints.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/dataset/hints/DatasetHints.java
similarity index 97%
rename from asterix-algebra/src/main/java/edu/uci/ics/asterix/translator/DatasetHints.java
rename to asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/dataset/hints/DatasetHints.java
index 0b66c30..149d447 100644
--- a/asterix-algebra/src/main/java/edu/uci/ics/asterix/translator/DatasetHints.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/dataset/hints/DatasetHints.java
@@ -12,7 +12,7 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
-package edu.uci.ics.asterix.translator;
+package edu.uci.ics.asterix.metadata.dataset.hints;
import java.util.HashSet;
import java.util.Set;
diff --git a/asterix-algebra/src/main/java/edu/uci/ics/asterix/translator/IHint.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/dataset/hints/IHint.java
similarity index 95%
rename from asterix-algebra/src/main/java/edu/uci/ics/asterix/translator/IHint.java
rename to asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/dataset/hints/IHint.java
index 1c9fd7b..8957ca7 100644
--- a/asterix-algebra/src/main/java/edu/uci/ics/asterix/translator/IHint.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/dataset/hints/IHint.java
@@ -12,7 +12,7 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
-package edu.uci.ics.asterix.translator;
+package edu.uci.ics.asterix.metadata.dataset.hints;
import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/declared/AqlCompiledMetadataDeclarations.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/declared/AqlCompiledMetadataDeclarations.java
new file mode 100644
index 0000000..35a9b83
--- /dev/null
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/declared/AqlCompiledMetadataDeclarations.java
@@ -0,0 +1,272 @@
+/*
+ * Copyright 2009-2010 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package edu.uci.ics.asterix.metadata.declared;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.logging.Logger;
+
+import edu.uci.ics.asterix.common.annotations.TypeDataGen;
+import edu.uci.ics.asterix.common.config.DatasetConfig.DatasetType;
+import edu.uci.ics.asterix.common.exceptions.AsterixException;
+import edu.uci.ics.asterix.formats.base.IDataFormat;
+import edu.uci.ics.asterix.metadata.MetadataException;
+import edu.uci.ics.asterix.metadata.MetadataManager;
+import edu.uci.ics.asterix.metadata.MetadataTransactionContext;
+import edu.uci.ics.asterix.metadata.api.IMetadataManager;
+import edu.uci.ics.asterix.metadata.bootstrap.AsterixProperties;
+import edu.uci.ics.asterix.metadata.entities.Dataset;
+import edu.uci.ics.asterix.metadata.entities.Datatype;
+import edu.uci.ics.asterix.metadata.entities.Dataverse;
+import edu.uci.ics.asterix.metadata.entities.Index;
+import edu.uci.ics.asterix.metadata.entities.InternalDatasetDetails;
+import edu.uci.ics.asterix.metadata.entities.NodeGroup;
+import edu.uci.ics.asterix.om.types.IAType;
+import edu.uci.ics.hyracks.algebricks.common.constraints.AlgebricksAbsolutePartitionConstraint;
+import edu.uci.ics.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
+import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
+import edu.uci.ics.hyracks.algebricks.common.utils.Pair;
+import edu.uci.ics.hyracks.algebricks.data.IAWriterFactory;
+import edu.uci.ics.hyracks.api.io.FileReference;
+import edu.uci.ics.hyracks.dataflow.std.file.ConstantFileSplitProvider;
+import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
+import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
+
+public class AqlCompiledMetadataDeclarations {
+ private static Logger LOGGER = Logger.getLogger(AqlCompiledMetadataDeclarations.class.getName());
+
+ // We are assuming that there is a one AqlCompiledMetadataDeclarations per
+ // transaction.
+ private final MetadataTransactionContext mdTxnCtx;
+ private String dataverseName = null;
+ private FileSplit outputFile;
+ private Map<String, String[]> stores;
+ private IDataFormat format;
+ private Map<String, String> config;
+
+ private final Map<String, IAType> types;
+ private final Map<String, TypeDataGen> typeDataGenMap;
+ private final IAWriterFactory writerFactory;
+
+ private IMetadataManager metadataManager = MetadataManager.INSTANCE;
+ private boolean isConnected = false;
+
+ public AqlCompiledMetadataDeclarations(MetadataTransactionContext mdTxnCtx, String dataverseName,
+ FileSplit outputFile, Map<String, String> config, Map<String, String[]> stores, Map<String, IAType> types,
+ Map<String, TypeDataGen> typeDataGenMap, IAWriterFactory writerFactory, boolean online) {
+ this.mdTxnCtx = mdTxnCtx;
+ this.dataverseName = dataverseName;
+ this.outputFile = outputFile;
+ this.config = config;
+ if (stores == null && online) {
+ this.stores = AsterixProperties.INSTANCE.getStores();
+ } else {
+ this.stores = stores;
+ }
+ this.types = types;
+ this.typeDataGenMap = typeDataGenMap;
+ this.writerFactory = writerFactory;
+ }
+
+ public void connectToDataverse(String dvName) throws AlgebricksException, AsterixException {
+ if (isConnected) {
+ throw new AlgebricksException("You are already connected to " + dataverseName + " dataverse");
+ }
+ Dataverse dv;
+ try {
+ dv = metadataManager.getDataverse(mdTxnCtx, dvName);
+ } catch (Exception e) {
+ throw new AsterixException(e);
+ }
+ if (dv == null) {
+ throw new AlgebricksException("There is no dataverse with this name " + dvName + " to connect to.");
+ }
+ dataverseName = dvName;
+ isConnected = true;
+ try {
+ format = (IDataFormat) Class.forName(dv.getDataFormat()).newInstance();
+ } catch (Exception e) {
+ throw new AsterixException(e);
+ }
+ }
+
+ public void disconnectFromDataverse() throws AlgebricksException {
+ if (!isConnected) {
+ throw new AlgebricksException("You are not connected to any dataverse");
+ }
+ dataverseName = null;
+ format = null;
+ isConnected = false;
+ }
+
+ public boolean isConnectedToDataverse() {
+ return isConnected;
+ }
+
+ public String getDataverseName() {
+ return dataverseName;
+ }
+
+ public FileSplit getOutputFile() {
+ return outputFile;
+ }
+
+ public IDataFormat getFormat() throws AlgebricksException {
+ if (!isConnected) {
+ throw new AlgebricksException("You need first to connect to a dataverse.");
+ }
+ return format;
+ }
+
+ public String getPropertyValue(String propertyName) {
+ return config.get(propertyName);
+ }
+
+ public IAType findType(String typeName) {
+ Datatype type;
+ try {
+ type = metadataManager.getDatatype(mdTxnCtx, dataverseName, typeName);
+ } catch (Exception e) {
+ throw new IllegalStateException();
+ }
+ if (type == null) {
+ throw new IllegalStateException();
+ }
+ return type.getDatatype();
+ }
+
+ public List<String> findNodeGroupNodeNames(String nodeGroupName) throws AlgebricksException {
+ NodeGroup ng;
+ try {
+ ng = metadataManager.getNodegroup(mdTxnCtx, nodeGroupName);
+ } catch (MetadataException e) {
+ throw new AlgebricksException(e);
+ }
+ if (ng == null) {
+ throw new AlgebricksException("No node group with this name " + nodeGroupName);
+ }
+ return ng.getNodeNames();
+ }
+
+ public Map<String, String[]> getAllStores() {
+ return stores;
+ }
+
+ public Dataset findDataset(String datasetName) throws AlgebricksException {
+ try {
+ return metadataManager.getDataset(mdTxnCtx, dataverseName, datasetName);
+ } catch (MetadataException e) {
+ throw new AlgebricksException(e);
+ }
+ }
+
+ public List<Index> getDatasetIndexes(String dataverseName, String datasetName) throws AlgebricksException {
+ try {
+ return metadataManager.getDatasetIndexes(mdTxnCtx, dataverseName, datasetName);
+ } catch (MetadataException e) {
+ throw new AlgebricksException(e);
+ }
+ }
+
+ public Index getDatasetPrimaryIndex(String dataverseName, String datasetName) throws AlgebricksException {
+ try {
+ return metadataManager.getIndex(mdTxnCtx, dataverseName, datasetName, datasetName);
+ } catch (MetadataException e) {
+ throw new AlgebricksException(e);
+ }
+ }
+
+ public Index getIndex(String dataverseName, String datasetName, String indexName) throws AlgebricksException {
+ try {
+ return metadataManager.getIndex(mdTxnCtx, dataverseName, datasetName, indexName);
+ } catch (MetadataException e) {
+ throw new AlgebricksException(e);
+ }
+ }
+
+ public void setOutputFile(FileSplit outputFile) {
+ this.outputFile = outputFile;
+ }
+
+ public Pair<IFileSplitProvider, AlgebricksPartitionConstraint> splitProviderAndPartitionConstraintsForInternalOrFeedDataset(
+ String datasetName, String targetIdxName) throws AlgebricksException {
+ FileSplit[] splits = splitsForInternalOrFeedDataset(datasetName, targetIdxName);
+ IFileSplitProvider splitProvider = new ConstantFileSplitProvider(splits);
+ String[] loc = new String[splits.length];
+ for (int p = 0; p < splits.length; p++) {
+ loc[p] = splits[p].getNodeName();
+ }
+ AlgebricksPartitionConstraint pc = new AlgebricksAbsolutePartitionConstraint(loc);
+ return new Pair<IFileSplitProvider, AlgebricksPartitionConstraint>(splitProvider, pc);
+ }
+
+ private FileSplit[] splitsForInternalOrFeedDataset(String datasetName, String targetIdxName)
+ throws AlgebricksException {
+
+ File relPathFile = new File(getRelativePath(datasetName + "_idx_" + targetIdxName));
+ Dataset dataset = findDataset(datasetName);
+ if (dataset.getDatasetType() != DatasetType.INTERNAL & dataset.getDatasetType() != DatasetType.FEED) {
+ throw new AlgebricksException("Not an internal or feed dataset");
+ }
+ InternalDatasetDetails datasetDetails = (InternalDatasetDetails) dataset.getDatasetDetails();
+ List<String> nodeGroup = findNodeGroupNodeNames(datasetDetails.getNodeGroupName());
+ if (nodeGroup == null) {
+ throw new AlgebricksException("Couldn't find node group " + datasetDetails.getNodeGroupName());
+ }
+
+ List<FileSplit> splitArray = new ArrayList<FileSplit>();
+ for (String nd : nodeGroup) {
+ String[] nodeStores = stores.get(nd);
+ if (nodeStores == null) {
+ LOGGER.warning("Node " + nd + " has no stores.");
+ throw new AlgebricksException("Node " + nd + " has no stores.");
+ } else {
+ for (int j = 0; j < nodeStores.length; j++) {
+ File f = new File(nodeStores[j] + File.separator + relPathFile);
+ splitArray.add(new FileSplit(nd, new FileReference(f)));
+ }
+ }
+ }
+ FileSplit[] splits = new FileSplit[splitArray.size()];
+ int i = 0;
+ for (FileSplit fs : splitArray) {
+ splits[i++] = fs;
+ }
+ return splits;
+ }
+
+ public String getRelativePath(String fileName) {
+ return dataverseName + File.separator + fileName;
+ }
+
+ public Map<String, TypeDataGen> getTypeDataGenMap() {
+ return typeDataGenMap;
+ }
+
+ public Map<String, IAType> getTypeDeclarations() {
+ return types;
+ }
+
+ public IAWriterFactory getWriterFactory() {
+ return writerFactory;
+ }
+
+ public MetadataTransactionContext getMetadataTransactionContext() {
+ return mdTxnCtx;
+ }
+}
\ No newline at end of file
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/declared/AqlMetadataProvider.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/declared/AqlMetadataProvider.java
index f49703a..c6bb21a 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/declared/AqlMetadataProvider.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/declared/AqlMetadataProvider.java
@@ -25,6 +25,8 @@
import edu.uci.ics.asterix.common.config.DatasetConfig.DatasetType;
import edu.uci.ics.asterix.common.config.GlobalConfig;
+import edu.uci.ics.asterix.common.context.AsterixRuntimeComponentsProvider;
+import edu.uci.ics.asterix.common.context.TransactionSubsystemProvider;
import edu.uci.ics.asterix.common.dataflow.IAsterixApplicationContextInfo;
import edu.uci.ics.asterix.common.parse.IParseFileSplitsDecl;
import edu.uci.ics.asterix.dataflow.data.nontagged.valueproviders.AqlPrimitiveValueProviderFactory;
@@ -46,6 +48,7 @@
import edu.uci.ics.asterix.metadata.MetadataTransactionContext;
import edu.uci.ics.asterix.metadata.bootstrap.AsterixProperties;
import edu.uci.ics.asterix.metadata.bootstrap.MetadataConstants;
+import edu.uci.ics.asterix.metadata.dataset.hints.DatasetHints.DatasetCardinalityHint;
import edu.uci.ics.asterix.metadata.entities.Dataset;
import edu.uci.ics.asterix.metadata.entities.DatasourceAdapter;
import edu.uci.ics.asterix.metadata.entities.Datatype;
@@ -63,7 +66,13 @@
import edu.uci.ics.asterix.runtime.base.AsterixTupleFilterFactory;
import edu.uci.ics.asterix.runtime.formats.FormatUtils;
import edu.uci.ics.asterix.runtime.formats.NonTaggedDataFormat;
-import edu.uci.ics.asterix.runtime.transaction.TreeIndexInsertUpdateDeleteOperatorDescriptor;
+import edu.uci.ics.asterix.runtime.job.listener.JobEventListenerFactory;
+import edu.uci.ics.asterix.transaction.management.opcallbacks.PrimaryIndexModificationOperationCallbackFactory;
+import edu.uci.ics.asterix.transaction.management.opcallbacks.PrimaryIndexSearchOperationCallbackFactory;
+import edu.uci.ics.asterix.transaction.management.opcallbacks.SecondaryIndexModificationOperationCallbackFactory;
+import edu.uci.ics.asterix.transaction.management.opcallbacks.SecondaryIndexSearchOperationCallbackFactory;
+import edu.uci.ics.asterix.transaction.management.service.transaction.IResourceManager.ResourceType;
+import edu.uci.ics.asterix.transaction.management.service.transaction.JobId;
import edu.uci.ics.hyracks.algebricks.common.constraints.AlgebricksAbsolutePartitionConstraint;
import edu.uci.ics.hyracks.algebricks.common.constraints.AlgebricksPartitionConstraint;
import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
@@ -88,6 +97,7 @@
import edu.uci.ics.hyracks.algebricks.runtime.operators.std.SinkWriterRuntimeFactory;
import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import edu.uci.ics.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
@@ -98,31 +108,34 @@
import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
import edu.uci.ics.hyracks.dataflow.std.file.ITupleParserFactory;
-import edu.uci.ics.hyracks.storage.am.btree.dataflow.BTreeDataflowHelperFactory;
import edu.uci.ics.hyracks.storage.am.btree.dataflow.BTreeSearchOperatorDescriptor;
import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeNSMInteriorFrameFactory;
import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallbackFactory;
import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
import edu.uci.ics.hyracks.storage.am.common.dataflow.TreeIndexBulkLoadOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackProvider;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOp;
+import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
+import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
import edu.uci.ics.hyracks.storage.am.common.tuples.TypeAwareTupleWriterFactory;
-import edu.uci.ics.hyracks.storage.am.rtree.dataflow.RTreeDataflowHelperFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.btree.dataflow.LSMBTreeDataflowHelperFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.common.dataflow.LSMTreeIndexInsertUpdateDeleteOperatorDescriptor;
+import edu.uci.ics.hyracks.storage.am.lsm.rtree.dataflow.LSMRTreeDataflowHelperFactory;
import edu.uci.ics.hyracks.storage.am.rtree.dataflow.RTreeSearchOperatorDescriptor;
+import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import edu.uci.ics.hyracks.storage.am.rtree.linearize.HilbertDoubleComparatorFactory;
+import edu.uci.ics.hyracks.storage.am.rtree.linearize.ZCurveDoubleComparatorFactory;
+import edu.uci.ics.hyracks.storage.am.rtree.linearize.ZCurveIntComparatorFactory;
public class AqlMetadataProvider implements IMetadataProvider<AqlSourceId, String> {
-
private static Logger LOGGER = Logger.getLogger(AqlMetadataProvider.class.getName());
-
- private final MetadataTransactionContext mdTxnCtx;
+ private MetadataTransactionContext mdTxnCtx;
private boolean isWriteTransaction;
private Map<String, String[]> stores;
private Map<String, String> config;
private IAWriterFactory writerFactory;
private FileSplit outputFile;
- private long jobTxnId;
-
private final Dataverse defaultDataverse;
+ private JobId jobId;
private static final Map<String, String> adapterFactoryMapping = initializeAdapterFactoryMapping();
@@ -142,14 +155,13 @@
return config;
}
- public AqlMetadataProvider(MetadataTransactionContext mdTxnCtx, Dataverse defaultDataverse) {
- this.mdTxnCtx = mdTxnCtx;
+ public AqlMetadataProvider(Dataverse defaultDataverse) {
this.defaultDataverse = defaultDataverse;
this.stores = AsterixProperties.INSTANCE.getStores();
}
- public void setJobTxnId(long txnId) {
- this.jobTxnId = txnId;
+ public void setJobId(JobId jobId) {
+ this.jobId = jobId;
}
public Dataverse getDefaultDataverse() {
@@ -168,6 +180,10 @@
this.writerFactory = writerFactory;
}
+ public void setMetadataTxnContext(MetadataTransactionContext mdTxnCtx) {
+ this.mdTxnCtx = mdTxnCtx;
+ }
+
public MetadataTransactionContext getMetadataTxnContext() {
return mdTxnCtx;
}
@@ -434,23 +450,29 @@
RecordDescriptor outputRecDesc = JobGenHelper.mkRecordDescriptor(typeEnv, opSchema, context);
int numKeys = numPrimaryKeys;
int keysStartIndex = outputRecDesc.getFieldCount() - numKeys - 1;
+ ITypeTraits[] typeTraits = null;
+ int[] bloomFilterKeyFields;
if (isSecondary) {
Index secondaryIndex = MetadataManager.INSTANCE.getIndex(mdTxnCtx, dataset.getDataverseName(),
dataset.getDatasetName(), indexName);
int numSecondaryKeys = secondaryIndex.getKeyFieldNames().size();
numKeys += numSecondaryKeys;
keysStartIndex = outputVars.size() - numKeys;
- }
- IBinaryComparatorFactory[] comparatorFactories = JobGenHelper.variablesToAscBinaryComparatorFactories(
- outputVars, keysStartIndex, numKeys, typeEnv, context);
- ITypeTraits[] typeTraits = null;
-
- if (isSecondary) {
typeTraits = JobGenHelper.variablesToTypeTraits(outputVars, keysStartIndex, numKeys, typeEnv, context);
+ bloomFilterKeyFields = new int[numSecondaryKeys];
+ for (int i = 0; i < numSecondaryKeys; i++) {
+ bloomFilterKeyFields[i] = i;
+ }
} else {
typeTraits = JobGenHelper.variablesToTypeTraits(outputVars, keysStartIndex, numKeys + 1, typeEnv,
context);
+ bloomFilterKeyFields = new int[numPrimaryKeys];
+ for (int i = 0; i < numPrimaryKeys; i++) {
+ bloomFilterKeyFields[i] = i;
+ }
}
+ IBinaryComparatorFactory[] comparatorFactories = JobGenHelper.variablesToAscBinaryComparatorFactories(
+ outputVars, keysStartIndex, numKeys, typeEnv, context);
IAsterixApplicationContextInfo appContext = (IAsterixApplicationContextInfo) context.getAppContext();
Pair<IFileSplitProvider, AlgebricksPartitionConstraint> spPc;
@@ -460,11 +482,35 @@
} catch (Exception e) {
throw new AlgebricksException(e);
}
+
+ ISearchOperationCallbackFactory searchCallbackFactory = null;
+ if (isSecondary) {
+ searchCallbackFactory = new SecondaryIndexSearchOperationCallbackFactory();
+ } else {
+ JobId jobId = ((JobEventListenerFactory) jobSpec.getJobletEventListenerFactory()).getJobId();
+ int datasetId = dataset.getDatasetId();
+ int[] primaryKeyFields = new int[numPrimaryKeys];
+ for (int i = 0; i < numPrimaryKeys; i++) {
+ primaryKeyFields[i] = i;
+ }
+
+ TransactionSubsystemProvider txnSubsystemProvider = new TransactionSubsystemProvider();
+ searchCallbackFactory = new PrimaryIndexSearchOperationCallbackFactory(jobId, datasetId,
+ primaryKeyFields, txnSubsystemProvider, ResourceType.LSM_BTREE);
+ }
+
BTreeSearchOperatorDescriptor btreeSearchOp = new BTreeSearchOperatorDescriptor(jobSpec, outputRecDesc,
- appContext.getStorageManagerInterface(), appContext.getIndexRegistryProvider(), spPc.first,
- typeTraits, comparatorFactories, lowKeyFields, highKeyFields, lowKeyInclusive, highKeyInclusive,
- new BTreeDataflowHelperFactory(), retainInput, NoOpOperationCallbackProvider.INSTANCE);
+ appContext.getStorageManagerInterface(), appContext.getIndexLifecycleManagerProvider(), spPc.first,
+ typeTraits, comparatorFactories, bloomFilterKeyFields, lowKeyFields, highKeyFields,
+ lowKeyInclusive, highKeyInclusive, new LSMBTreeDataflowHelperFactory(
+ AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER,
+ GlobalConfig.DEFAULT_INDEX_MEM_PAGE_SIZE, GlobalConfig.DEFAULT_INDEX_MEM_NUM_PAGES),
+ retainInput, searchCallbackFactory);
return new Pair<IOperatorDescriptor, AlgebricksPartitionConstraint>(btreeSearchOp, spPc.second);
+
} catch (MetadataException me) {
throw new AlgebricksException(me);
}
@@ -516,11 +562,24 @@
IAsterixApplicationContextInfo appContext = (IAsterixApplicationContextInfo) context.getAppContext();
Pair<IFileSplitProvider, AlgebricksPartitionConstraint> spPc = splitProviderAndPartitionConstraintsForInternalOrFeedDataset(
dataset.getDataverseName(), dataset.getDatasetName(), indexName);
+
+ IBinaryComparatorFactory[] primaryComparatorFactories = DatasetUtils.computeKeysBinaryComparatorFactories(
+ dataset, recType, context.getBinaryComparatorFactoryProvider());
+ IAType nestedKeyType = NonTaggedFormatUtil.getNestedSpatialType(keyType.getTypeTag());
+ ISearchOperationCallbackFactory searchCallbackFactory = new SecondaryIndexSearchOperationCallbackFactory();
RTreeSearchOperatorDescriptor rtreeSearchOp = new RTreeSearchOperatorDescriptor(jobSpec, outputRecDesc,
- appContext.getStorageManagerInterface(), appContext.getIndexRegistryProvider(), spPc.first,
- typeTraits, comparatorFactories, keyFields, new RTreeDataflowHelperFactory(valueProviderFactories),
- retainInput, NoOpOperationCallbackProvider.INSTANCE);
+ appContext.getStorageManagerInterface(), appContext.getIndexLifecycleManagerProvider(), spPc.first,
+ typeTraits, comparatorFactories, keyFields, new LSMRTreeDataflowHelperFactory(
+ valueProviderFactories, RTreePolicyType.RTREE, primaryComparatorFactories,
+ AsterixRuntimeComponentsProvider.LSMRTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMRTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMRTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMRTREE_PROVIDER, proposeLinearizer(
+ nestedKeyType.getTypeTag(), comparatorFactories.length),
+ GlobalConfig.DEFAULT_INDEX_MEM_PAGE_SIZE, GlobalConfig.DEFAULT_INDEX_MEM_NUM_PAGES),
+ retainInput, searchCallbackFactory);
return new Pair<IOperatorDescriptor, AlgebricksPartitionConstraint>(rtreeSearchOp, spPc.second);
+
} catch (MetadataException me) {
throw new AlgebricksException(me);
}
@@ -614,11 +673,13 @@
int numKeys = keys.size();
// move key fields to front
int[] fieldPermutation = new int[numKeys + 1];
+ int[] bloomFilterKeyFields = new int[numKeys];
// System.arraycopy(keys, 0, fieldPermutation, 0, numKeys);
int i = 0;
for (LogicalVariable varKey : keys) {
int idx = propagatedSchema.findVariable(varKey);
fieldPermutation[i] = idx;
+ bloomFilterKeyFields[i] = i;
i++;
}
fieldPermutation[numKeys] = propagatedSchema.findVariable(payload);
@@ -636,7 +697,6 @@
String itemTypeName = dataset.getItemTypeName();
ARecordType itemType = (ARecordType) MetadataManager.INSTANCE.getDatatype(mdTxnCtx,
dataset.getDataverseName(), itemTypeName).getDatatype();
-
ITypeTraits[] typeTraits = DatasetUtils.computeTupleTypeTraits(dataset, itemType);
IBinaryComparatorFactory[] comparatorFactories = DatasetUtils.computeKeysBinaryComparatorFactories(dataset,
itemType, context.getBinaryComparatorFactoryProvider());
@@ -644,31 +704,49 @@
Pair<IFileSplitProvider, AlgebricksPartitionConstraint> splitsAndConstraint = splitProviderAndPartitionConstraintsForInternalOrFeedDataset(
dataSource.getId().getDataverseName(), datasetName, indexName);
IAsterixApplicationContextInfo appContext = (IAsterixApplicationContextInfo) context.getAppContext();
+
+ String numElementsHintString = dataset.getHints().get("CARDINALITY");
+ long numElementsHint;
+ if (numElementsHintString == null) {
+ numElementsHint = DatasetCardinalityHint.DEFAULT;
+ } else {
+ numElementsHint = Long.parseLong(dataset.getHints().get("CARDINALITY"));
+ }
+
+ //TODO
+ //figure out the right behavior of the bulkload and then give the right callback
+ //(ex. what's the expected behavior when there is an error during bulkload?)
TreeIndexBulkLoadOperatorDescriptor btreeBulkLoad = new TreeIndexBulkLoadOperatorDescriptor(spec,
- appContext.getStorageManagerInterface(), appContext.getIndexRegistryProvider(),
- splitsAndConstraint.first, typeTraits, comparatorFactories, fieldPermutation,
- GlobalConfig.DEFAULT_BTREE_FILL_FACTOR, new BTreeDataflowHelperFactory(),
- NoOpOperationCallbackProvider.INSTANCE);
+ appContext.getStorageManagerInterface(), appContext.getIndexLifecycleManagerProvider(),
+ splitsAndConstraint.first, typeTraits, comparatorFactories, bloomFilterKeyFields, fieldPermutation,
+ GlobalConfig.DEFAULT_BTREE_FILL_FACTOR, false, numElementsHint, new LSMBTreeDataflowHelperFactory(
+ AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER,
+ GlobalConfig.DEFAULT_INDEX_MEM_PAGE_SIZE, GlobalConfig.DEFAULT_INDEX_MEM_NUM_PAGES),
+ NoOpOperationCallbackFactory.INSTANCE);
return new Pair<IOperatorDescriptor, AlgebricksPartitionConstraint>(btreeBulkLoad,
splitsAndConstraint.second);
-
} catch (MetadataException me) {
throw new AlgebricksException(me);
}
}
- public Pair<IOperatorDescriptor, AlgebricksPartitionConstraint> getInsertOrDeleteRuntime(IndexOp indexOp,
- IDataSource<AqlSourceId> dataSource, IOperatorSchema propagatedSchema, List<LogicalVariable> keys,
- LogicalVariable payload, RecordDescriptor recordDesc, JobGenContext context, JobSpecification spec)
- throws AlgebricksException {
+ public Pair<IOperatorDescriptor, AlgebricksPartitionConstraint> getInsertOrDeleteRuntime(IndexOperation indexOp,
+ IDataSource<AqlSourceId> dataSource, IOperatorSchema propagatedSchema, IVariableTypeEnvironment typeEnv,
+ List<LogicalVariable> keys, LogicalVariable payload, RecordDescriptor recordDesc, JobGenContext context,
+ JobSpecification spec) throws AlgebricksException {
String datasetName = dataSource.getId().getDatasetName();
int numKeys = keys.size();
// Move key fields to front.
int[] fieldPermutation = new int[numKeys + 1];
+ int[] bloomFilterKeyFields = new int[numKeys];
int i = 0;
for (LogicalVariable varKey : keys) {
int idx = propagatedSchema.findVariable(varKey);
fieldPermutation[i] = idx;
+ bloomFilterKeyFields[i] = i;
i++;
}
fieldPermutation[numKeys] = propagatedSchema.findVariable(payload);
@@ -694,12 +772,32 @@
itemType, context.getBinaryComparatorFactoryProvider());
Pair<IFileSplitProvider, AlgebricksPartitionConstraint> splitsAndConstraint = splitProviderAndPartitionConstraintsForInternalOrFeedDataset(
dataSource.getId().getDataverseName(), datasetName, indexName);
- TreeIndexInsertUpdateDeleteOperatorDescriptor btreeBulkLoad = new TreeIndexInsertUpdateDeleteOperatorDescriptor(
- spec, recordDesc, appContext.getStorageManagerInterface(), appContext.getIndexRegistryProvider(),
- splitsAndConstraint.first, typeTraits, comparatorFactories, fieldPermutation, indexOp,
- new BTreeDataflowHelperFactory(), null, NoOpOperationCallbackProvider.INSTANCE, jobTxnId);
+
+ //prepare callback
+ JobId jobId = ((JobEventListenerFactory) spec.getJobletEventListenerFactory()).getJobId();
+ int datasetId = dataset.getDatasetId();
+ int[] primaryKeyFields = new int[numKeys];
+ for (i = 0; i < numKeys; i++) {
+ primaryKeyFields[i] = i;
+ }
+ TransactionSubsystemProvider txnSubsystemProvider = new TransactionSubsystemProvider();
+ PrimaryIndexModificationOperationCallbackFactory modificationCallbackFactory = new PrimaryIndexModificationOperationCallbackFactory(
+ jobId, datasetId, primaryKeyFields, txnSubsystemProvider, indexOp, ResourceType.LSM_BTREE);
+
+ LSMTreeIndexInsertUpdateDeleteOperatorDescriptor btreeBulkLoad = new LSMTreeIndexInsertUpdateDeleteOperatorDescriptor(
+ spec, recordDesc, appContext.getStorageManagerInterface(),
+ appContext.getIndexLifecycleManagerProvider(), splitsAndConstraint.first, typeTraits,
+ comparatorFactories, bloomFilterKeyFields, fieldPermutation, indexOp,
+ new LSMBTreeDataflowHelperFactory(AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER,
+ GlobalConfig.DEFAULT_INDEX_MEM_PAGE_SIZE, GlobalConfig.DEFAULT_INDEX_MEM_NUM_PAGES), null,
+ modificationCallbackFactory);
+
return new Pair<IOperatorDescriptor, AlgebricksPartitionConstraint>(btreeBulkLoad,
splitsAndConstraint.second);
+
} catch (MetadataException me) {
throw new AlgebricksException(me);
}
@@ -707,27 +805,27 @@
@Override
public Pair<IOperatorDescriptor, AlgebricksPartitionConstraint> getInsertRuntime(
- IDataSource<AqlSourceId> dataSource, IOperatorSchema propagatedSchema, List<LogicalVariable> keys,
- LogicalVariable payload, RecordDescriptor recordDesc, JobGenContext context, JobSpecification spec)
- throws AlgebricksException {
- return getInsertOrDeleteRuntime(IndexOp.INSERT, dataSource, propagatedSchema, keys, payload, recordDesc,
- context, spec);
+ IDataSource<AqlSourceId> dataSource, IOperatorSchema propagatedSchema, IVariableTypeEnvironment typeEnv,
+ List<LogicalVariable> keys, LogicalVariable payload, RecordDescriptor recordDesc, JobGenContext context,
+ JobSpecification spec) throws AlgebricksException {
+ return getInsertOrDeleteRuntime(IndexOperation.INSERT, dataSource, propagatedSchema, typeEnv, keys, payload,
+ recordDesc, context, spec);
}
@Override
public Pair<IOperatorDescriptor, AlgebricksPartitionConstraint> getDeleteRuntime(
- IDataSource<AqlSourceId> dataSource, IOperatorSchema propagatedSchema, List<LogicalVariable> keys,
- LogicalVariable payload, RecordDescriptor recordDesc, JobGenContext context, JobSpecification spec)
- throws AlgebricksException {
- return getInsertOrDeleteRuntime(IndexOp.DELETE, dataSource, propagatedSchema, keys, payload, recordDesc,
- context, spec);
+ IDataSource<AqlSourceId> dataSource, IOperatorSchema propagatedSchema, IVariableTypeEnvironment typeEnv,
+ List<LogicalVariable> keys, LogicalVariable payload, RecordDescriptor recordDesc, JobGenContext context,
+ JobSpecification spec) throws AlgebricksException {
+ return getInsertOrDeleteRuntime(IndexOperation.DELETE, dataSource, propagatedSchema, typeEnv, keys, payload,
+ recordDesc, context, spec);
}
- public Pair<IOperatorDescriptor, AlgebricksPartitionConstraint> getIndexInsertOrDeleteRuntime(IndexOp indexOp,
- IDataSourceIndex<String, AqlSourceId> dataSourceIndex, IOperatorSchema propagatedSchema,
- IOperatorSchema[] inputSchemas, IVariableTypeEnvironment typeEnv, List<LogicalVariable> primaryKeys,
- List<LogicalVariable> secondaryKeys, ILogicalExpression filterExpr, RecordDescriptor recordDesc,
- JobGenContext context, JobSpecification spec) throws AlgebricksException {
+ public Pair<IOperatorDescriptor, AlgebricksPartitionConstraint> getIndexInsertOrDeleteRuntime(
+ IndexOperation indexOp, IDataSourceIndex<String, AqlSourceId> dataSourceIndex,
+ IOperatorSchema propagatedSchema, IOperatorSchema[] inputSchemas, IVariableTypeEnvironment typeEnv,
+ List<LogicalVariable> primaryKeys, List<LogicalVariable> secondaryKeys, ILogicalExpression filterExpr,
+ RecordDescriptor recordDesc, JobGenContext context, JobSpecification spec) throws AlgebricksException {
String indexName = dataSourceIndex.getId();
String dataverseName = dataSourceIndex.getDataSource().getId().getDataverseName();
String datasetName = dataSourceIndex.getDataSource().getId().getDatasetName();
@@ -746,12 +844,12 @@
AsterixTupleFilterFactory filterFactory = createTupleFilterFactory(inputSchemas, typeEnv, filterExpr, context);
switch (secondaryIndex.getIndexType()) {
case BTREE: {
- return getBTreeDmlRuntime(dataverseName, datasetName, indexName, propagatedSchema, primaryKeys,
- secondaryKeys, filterFactory, recordDesc, context, spec, indexOp);
+ return getBTreeDmlRuntime(dataverseName, datasetName, indexName, propagatedSchema, typeEnv,
+ primaryKeys, secondaryKeys, filterFactory, recordDesc, context, spec, indexOp);
}
case RTREE: {
- return getRTreeDmlRuntime(dataverseName, datasetName, indexName, propagatedSchema, primaryKeys,
- secondaryKeys, filterFactory, recordDesc, context, spec, indexOp);
+ return getRTreeDmlRuntime(dataverseName, datasetName, indexName, propagatedSchema, typeEnv,
+ primaryKeys, secondaryKeys, filterFactory, recordDesc, context, spec, indexOp);
}
default: {
throw new AlgebricksException("Insert and delete not implemented for index type: "
@@ -766,8 +864,8 @@
IOperatorSchema[] inputSchemas, IVariableTypeEnvironment typeEnv, List<LogicalVariable> primaryKeys,
List<LogicalVariable> secondaryKeys, ILogicalExpression filterExpr, RecordDescriptor recordDesc,
JobGenContext context, JobSpecification spec) throws AlgebricksException {
- return getIndexInsertOrDeleteRuntime(IndexOp.INSERT, dataSourceIndex, propagatedSchema, inputSchemas, typeEnv,
- primaryKeys, secondaryKeys, filterExpr, recordDesc, context, spec);
+ return getIndexInsertOrDeleteRuntime(IndexOperation.INSERT, dataSourceIndex, propagatedSchema, inputSchemas,
+ typeEnv, primaryKeys, secondaryKeys, filterExpr, recordDesc, context, spec);
}
@Override
@@ -776,8 +874,8 @@
IOperatorSchema[] inputSchemas, IVariableTypeEnvironment typeEnv, List<LogicalVariable> primaryKeys,
List<LogicalVariable> secondaryKeys, ILogicalExpression filterExpr, RecordDescriptor recordDesc,
JobGenContext context, JobSpecification spec) throws AlgebricksException {
- return getIndexInsertOrDeleteRuntime(IndexOp.DELETE, dataSourceIndex, propagatedSchema, inputSchemas, typeEnv,
- primaryKeys, secondaryKeys, filterExpr, recordDesc, context, spec);
+ return getIndexInsertOrDeleteRuntime(IndexOperation.DELETE, dataSourceIndex, propagatedSchema, inputSchemas,
+ typeEnv, primaryKeys, secondaryKeys, filterExpr, recordDesc, context, spec);
}
private AsterixTupleFilterFactory createTupleFilterFactory(IOperatorSchema[] inputSchemas,
@@ -794,16 +892,20 @@
}
private Pair<IOperatorDescriptor, AlgebricksPartitionConstraint> getBTreeDmlRuntime(String dataverseName,
- String datasetName, String indexName, IOperatorSchema propagatedSchema, List<LogicalVariable> primaryKeys,
- List<LogicalVariable> secondaryKeys, AsterixTupleFilterFactory filterFactory, RecordDescriptor recordDesc,
- JobGenContext context, JobSpecification spec, IndexOp indexOp) throws AlgebricksException {
+ String datasetName, String indexName, IOperatorSchema propagatedSchema, IVariableTypeEnvironment typeEnv,
+ List<LogicalVariable> primaryKeys, List<LogicalVariable> secondaryKeys,
+ AsterixTupleFilterFactory filterFactory, RecordDescriptor recordDesc, JobGenContext context,
+ JobSpecification spec, IndexOperation indexOp) throws AlgebricksException {
+
int numKeys = primaryKeys.size() + secondaryKeys.size();
// generate field permutations
int[] fieldPermutation = new int[numKeys];
+ int[] bloomFilterKeyFields = new int[secondaryKeys.size()];
int i = 0;
for (LogicalVariable varKey : secondaryKeys) {
int idx = propagatedSchema.findVariable(varKey);
fieldPermutation[i] = idx;
+ bloomFilterKeyFields[i] = i;
i++;
}
for (LogicalVariable varKey : primaryKeys) {
@@ -855,20 +957,45 @@
IAsterixApplicationContextInfo appContext = (IAsterixApplicationContextInfo) context.getAppContext();
Pair<IFileSplitProvider, AlgebricksPartitionConstraint> splitsAndConstraint = splitProviderAndPartitionConstraintsForInternalOrFeedDataset(
dataverseName, datasetName, indexName);
- TreeIndexInsertUpdateDeleteOperatorDescriptor btreeInsert = new TreeIndexInsertUpdateDeleteOperatorDescriptor(
- spec, recordDesc, appContext.getStorageManagerInterface(), appContext.getIndexRegistryProvider(),
- splitsAndConstraint.first, typeTraits, comparatorFactories, fieldPermutation, indexOp,
- new BTreeDataflowHelperFactory(), filterFactory, NoOpOperationCallbackProvider.INSTANCE, jobTxnId);
- return new Pair<IOperatorDescriptor, AlgebricksPartitionConstraint>(btreeInsert, splitsAndConstraint.second);
- } catch (MetadataException | IOException e) {
+
+ //prepare callback
+ JobId jobId = ((JobEventListenerFactory) spec.getJobletEventListenerFactory()).getJobId();
+ int datasetId = dataset.getDatasetId();
+ int[] primaryKeyFields = new int[primaryKeys.size()];
+ i = 0;
+ for (LogicalVariable varKey : primaryKeys) {
+ int idx = propagatedSchema.findVariable(varKey);
+ primaryKeyFields[i] = idx;
+ i++;
+ }
+ TransactionSubsystemProvider txnSubsystemProvider = new TransactionSubsystemProvider();
+ SecondaryIndexModificationOperationCallbackFactory modificationCallbackFactory = new SecondaryIndexModificationOperationCallbackFactory(
+ jobId, datasetId, primaryKeyFields, txnSubsystemProvider, indexOp, ResourceType.LSM_BTREE);
+
+ LSMTreeIndexInsertUpdateDeleteOperatorDescriptor btreeBulkLoad = new LSMTreeIndexInsertUpdateDeleteOperatorDescriptor(
+ spec, recordDesc, appContext.getStorageManagerInterface(),
+ appContext.getIndexLifecycleManagerProvider(), splitsAndConstraint.first, typeTraits,
+ comparatorFactories, bloomFilterKeyFields, fieldPermutation, indexOp,
+ new LSMBTreeDataflowHelperFactory(AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER,
+ GlobalConfig.DEFAULT_INDEX_MEM_PAGE_SIZE, GlobalConfig.DEFAULT_INDEX_MEM_NUM_PAGES),
+ filterFactory, modificationCallbackFactory);
+ return new Pair<IOperatorDescriptor, AlgebricksPartitionConstraint>(btreeBulkLoad,
+ splitsAndConstraint.second);
+ } catch (MetadataException e) {
+ throw new AlgebricksException(e);
+ } catch (IOException e) {
throw new AlgebricksException(e);
}
}
private Pair<IOperatorDescriptor, AlgebricksPartitionConstraint> getRTreeDmlRuntime(String dataverseName,
- String datasetName, String indexName, IOperatorSchema propagatedSchema, List<LogicalVariable> primaryKeys,
- List<LogicalVariable> secondaryKeys, AsterixTupleFilterFactory filterFactory, RecordDescriptor recordDesc,
- JobGenContext context, JobSpecification spec, IndexOp indexOp) throws AlgebricksException {
+ String datasetName, String indexName, IOperatorSchema propagatedSchema, IVariableTypeEnvironment typeEnv,
+ List<LogicalVariable> primaryKeys, List<LogicalVariable> secondaryKeys,
+ AsterixTupleFilterFactory filterFactory, RecordDescriptor recordDesc, JobGenContext context,
+ JobSpecification spec, IndexOperation indexOp) throws AlgebricksException {
try {
Dataset dataset = MetadataManager.INSTANCE.getDataset(mdTxnCtx, dataverseName, datasetName);
String itemTypeName = dataset.getItemTypeName();
@@ -918,28 +1045,66 @@
++i;
}
+ IBinaryComparatorFactory[] primaryComparatorFactories = DatasetUtils.computeKeysBinaryComparatorFactories(
+ dataset, recType, context.getBinaryComparatorFactoryProvider());
IAsterixApplicationContextInfo appContext = (IAsterixApplicationContextInfo) context.getAppContext();
Pair<IFileSplitProvider, AlgebricksPartitionConstraint> splitsAndConstraint = splitProviderAndPartitionConstraintsForInternalOrFeedDataset(
dataverseName, datasetName, indexName);
- TreeIndexInsertUpdateDeleteOperatorDescriptor rtreeUpdate = new TreeIndexInsertUpdateDeleteOperatorDescriptor(
- spec, recordDesc, appContext.getStorageManagerInterface(), appContext.getIndexRegistryProvider(),
- splitsAndConstraint.first, typeTraits, comparatorFactories, fieldPermutation, indexOp,
- new RTreeDataflowHelperFactory(valueProviderFactories), filterFactory,
- NoOpOperationCallbackProvider.INSTANCE, jobTxnId);
+
+ //prepare callback
+ JobId jobId = ((JobEventListenerFactory) spec.getJobletEventListenerFactory()).getJobId();
+ int datasetId = dataset.getDatasetId();
+ int[] primaryKeyFields = new int[numPrimaryKeys];
+ i = 0;
+ for (LogicalVariable varKey : primaryKeys) {
+ int idx = propagatedSchema.findVariable(varKey);
+ primaryKeyFields[i] = idx;
+ i++;
+ }
+ TransactionSubsystemProvider txnSubsystemProvider = new TransactionSubsystemProvider();
+ SecondaryIndexModificationOperationCallbackFactory modificationCallbackFactory = new SecondaryIndexModificationOperationCallbackFactory(
+ jobId, datasetId, primaryKeyFields, txnSubsystemProvider, indexOp, ResourceType.LSM_RTREE);
+
+ LSMTreeIndexInsertUpdateDeleteOperatorDescriptor rtreeUpdate = new LSMTreeIndexInsertUpdateDeleteOperatorDescriptor(
+ spec, recordDesc, appContext.getStorageManagerInterface(),
+ appContext.getIndexLifecycleManagerProvider(), splitsAndConstraint.first, typeTraits,
+ comparatorFactories, null, fieldPermutation, indexOp, new LSMRTreeDataflowHelperFactory(
+ valueProviderFactories, RTreePolicyType.RTREE, primaryComparatorFactories,
+ AsterixRuntimeComponentsProvider.LSMRTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMRTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMRTREE_PROVIDER,
+ AsterixRuntimeComponentsProvider.LSMRTREE_PROVIDER, proposeLinearizer(
+ nestedKeyType.getTypeTag(), comparatorFactories.length),
+ GlobalConfig.DEFAULT_INDEX_MEM_PAGE_SIZE, GlobalConfig.DEFAULT_INDEX_MEM_NUM_PAGES),
+ filterFactory, modificationCallbackFactory);
return new Pair<IOperatorDescriptor, AlgebricksPartitionConstraint>(rtreeUpdate, splitsAndConstraint.second);
} catch (MetadataException | IOException e) {
throw new AlgebricksException(e);
}
}
- public long getJobTxnId() {
- return jobTxnId;
+ public JobId getJobId() {
+ return jobId;
}
public static ITreeIndexFrameFactory createBTreeNSMInteriorFrameFactory(ITypeTraits[] typeTraits) {
return new BTreeNSMInteriorFrameFactory(new TypeAwareTupleWriterFactory(typeTraits));
}
+ public static ILinearizeComparatorFactory proposeLinearizer(ATypeTag keyType, int numKeyFields)
+ throws AlgebricksException {
+ if (numKeyFields / 2 == 2 && (keyType == ATypeTag.DOUBLE)) {
+ return new HilbertDoubleComparatorFactory(2);
+ } else if (keyType == ATypeTag.DOUBLE) {
+ return new ZCurveDoubleComparatorFactory(numKeyFields / 2);
+ } else if (keyType == ATypeTag.INT8 || keyType == ATypeTag.INT16 || keyType == ATypeTag.INT32
+ || keyType == ATypeTag.INT64) {
+ return new ZCurveIntComparatorFactory(numKeyFields / 2);
+ } else {
+ throw new AlgebricksException("Cannot propose linearizer for key with type " + keyType + ".");
+ }
+ }
+
@Override
public IFunctionInfo lookupFunction(FunctionIdentifier fid) {
return AsterixBuiltinFunctions.lookupFunction(fid);
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entities/Dataset.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entities/Dataset.java
index 8f1e378..91a18f3 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entities/Dataset.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entities/Dataset.java
@@ -38,14 +38,19 @@
private final IDatasetDetails datasetDetails;
// Hints related to cardinatlity of dataset, avg size of tuples etc.
private final Map<String, String> hints;
+ private final int datasetId;
+ // Type of pending operations with respect to atomic DDL operation
+ private final int pendingOp;
public Dataset(String dataverseName, String datasetName, String itemTypeName, IDatasetDetails datasetDetails,
- Map<String, String> hints, DatasetType datasetType) {
+ Map<String, String> hints, DatasetType datasetType, int datasetId, int pendingOp) {
this.dataverseName = dataverseName;
this.datasetName = datasetName;
this.itemTypeName = itemTypeName;
this.datasetType = datasetType;
this.datasetDetails = datasetDetails;
+ this.datasetId = datasetId;
+ this.pendingOp = pendingOp;
this.hints = hints;
}
@@ -73,6 +78,14 @@
return hints;
}
+ public int getDatasetId() {
+ return datasetId;
+ }
+
+ public int getPendingOp() {
+ return pendingOp;
+ }
+
@Override
public Object addToCache(MetadataCache cache) {
return cache.addDatasetIfNotExists(this);
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entities/Dataverse.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entities/Dataverse.java
index bacd812..3902282 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entities/Dataverse.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entities/Dataverse.java
@@ -27,10 +27,12 @@
// Enforced to be unique within an Asterix cluster..
private final String dataverseName;
private final String dataFormat;
+ private final int pendingOp;
- public Dataverse(String dataverseName, String format) {
+ public Dataverse(String dataverseName, String format, int pendingOp) {
this.dataverseName = dataverseName;
this.dataFormat = format;
+ this.pendingOp = pendingOp;
}
public String getDataverseName() {
@@ -40,6 +42,10 @@
public String getDataFormat() {
return dataFormat;
}
+
+ public int getPendingOp() {
+ return pendingOp;
+ }
@Override
public Object addToCache(MetadataCache cache) {
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entities/Index.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entities/Index.java
index 4265630..6d65730 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entities/Index.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entities/Index.java
@@ -19,6 +19,8 @@
import java.util.List;
import edu.uci.ics.asterix.common.config.DatasetConfig.IndexType;
+import edu.uci.ics.asterix.metadata.MetadataCache;
+import edu.uci.ics.asterix.metadata.api.IMetadataEntity;
import edu.uci.ics.asterix.om.types.ARecordType;
import edu.uci.ics.asterix.om.types.ATypeTag;
import edu.uci.ics.asterix.om.types.AUnionType;
@@ -29,7 +31,7 @@
/**
* Metadata describing an index.
*/
-public class Index implements Serializable {
+public class Index implements IMetadataEntity {
private static final long serialVersionUID = 1L;
@@ -43,9 +45,11 @@
private final boolean isPrimaryIndex;
// Specific to NGRAM indexes.
private final int gramLength;
+ // Type of pending operations with respect to atomic DDL operation
+ private final int pendingOp;
public Index(String dataverseName, String datasetName, String indexName, IndexType indexType,
- List<String> keyFieldNames, int gramLength, boolean isPrimaryIndex) {
+ List<String> keyFieldNames, int gramLength, boolean isPrimaryIndex, int pendingOp) {
this.dataverseName = dataverseName;
this.datasetName = datasetName;
this.indexName = indexName;
@@ -53,10 +57,11 @@
this.keyFieldNames = keyFieldNames;
this.gramLength = gramLength;
this.isPrimaryIndex = isPrimaryIndex;
+ this.pendingOp = pendingOp;
}
public Index(String dataverseName, String datasetName, String indexName, IndexType indexType,
- List<String> keyFieldNames, boolean isPrimaryIndex) {
+ List<String> keyFieldNames, boolean isPrimaryIndex, int pendingOp) {
this.dataverseName = dataverseName;
this.datasetName = datasetName;
this.indexName = indexName;
@@ -64,6 +69,7 @@
this.keyFieldNames = keyFieldNames;
this.gramLength = -1;
this.isPrimaryIndex = isPrimaryIndex;
+ this.pendingOp = pendingOp;
}
public String getDataverseName() {
@@ -93,6 +99,10 @@
public boolean isPrimaryIndex() {
return isPrimaryIndex;
}
+
+ public int getPendingOp() {
+ return pendingOp;
+ }
public boolean isSecondaryIndex() {
return !isPrimaryIndex();
@@ -146,4 +156,14 @@
}
return true;
}
+
+ @Override
+ public Object addToCache(MetadataCache cache) {
+ return cache.addIndexIfNotExists(this);
+ }
+
+ @Override
+ public Object dropFromCache(MetadataCache cache) {
+ return cache.dropIndex(this);
+ }
}
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entitytupletranslators/DatasetTupleTranslator.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entitytupletranslators/DatasetTupleTranslator.java
index a0aa36e..61f856a 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entitytupletranslators/DatasetTupleTranslator.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entitytupletranslators/DatasetTupleTranslator.java
@@ -43,6 +43,8 @@
import edu.uci.ics.asterix.metadata.entities.InternalDatasetDetails;
import edu.uci.ics.asterix.metadata.entities.InternalDatasetDetails.FileStructure;
import edu.uci.ics.asterix.metadata.entities.InternalDatasetDetails.PartitioningStrategy;
+import edu.uci.ics.asterix.om.base.AInt32;
+import edu.uci.ics.asterix.om.base.AMutableInt32;
import edu.uci.ics.asterix.om.base.AMutableString;
import edu.uci.ics.asterix.om.base.ANull;
import edu.uci.ics.asterix.om.base.AOrderedList;
@@ -72,9 +74,14 @@
@SuppressWarnings("unchecked")
private ISerializerDeserializer<ARecord> recordSerDes = AqlSerializerDeserializerProvider.INSTANCE
.getSerializerDeserializer(MetadataRecordTypes.DATASET_RECORDTYPE);
+ private AMutableInt32 aInt32;
+ protected ISerializerDeserializer<AInt32> aInt32Serde;
+ @SuppressWarnings("unchecked")
public DatasetTupleTranslator(boolean getTuple) {
super(getTuple, MetadataPrimaryIndexes.DATASET_DATASET.getFieldCount());
+ aInt32 = new AMutableInt32(-1);
+ aInt32Serde = AqlSerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AINT32);
}
@Override
@@ -89,6 +96,7 @@
}
private Dataset createDatasetFromARecord(ARecord datasetRecord) {
+
String dataverseName = ((AString) datasetRecord
.getValueByPos(MetadataRecordTypes.DATASET_ARECORD_DATAVERSENAME_FIELD_INDEX)).getStringValue();
String datasetName = ((AString) datasetRecord
@@ -97,6 +105,10 @@
.getValueByPos(MetadataRecordTypes.DATASET_ARECORD_DATATYPENAME_FIELD_INDEX)).getStringValue();
DatasetType datasetType = DatasetType.valueOf(((AString) datasetRecord.getValueByPos(3)).getStringValue());
IDatasetDetails datasetDetails = null;
+ int datasetId = ((AInt32) datasetRecord
+ .getValueByPos(MetadataRecordTypes.DATASET_ARECORD_DATASETID_FIELD_INDEX)).getIntegerValue();
+ int pendingOp = ((AInt32) datasetRecord
+ .getValueByPos(MetadataRecordTypes.DATASET_ARECORD_PENDINGOP_FIELD_INDEX)).getIntegerValue();
switch (datasetType) {
case FEED: {
ARecord datasetDetailsRecord = (ARecord) datasetRecord
@@ -209,8 +221,10 @@
}
datasetDetails = new ExternalDatasetDetails(adapter, properties);
}
+
Map<String, String> hints = getDatasetHints(datasetRecord);
- return new Dataset(dataverseName, datasetName, typeName, datasetDetails, hints, datasetType);
+
+ return new Dataset(dataverseName, datasetName, typeName, datasetDetails, hints, datasetType, datasetId, pendingOp);
}
@Override
@@ -278,6 +292,18 @@
stringSerde.serialize(aString, fieldValue.getDataOutput());
recordBuilder.addField(MetadataRecordTypes.DATASET_ARECORD_TIMESTAMP_FIELD_INDEX, fieldValue);
+ // write field 9
+ fieldValue.reset();
+ aInt32.setValue(dataset.getDatasetId());
+ aInt32Serde.serialize(aInt32, fieldValue.getDataOutput());
+ recordBuilder.addField(MetadataRecordTypes.DATASET_ARECORD_DATASETID_FIELD_INDEX, fieldValue);
+
+ // write field 10
+ fieldValue.reset();
+ aInt32.setValue(dataset.getPendingOp());
+ aInt32Serde.serialize(aInt32, fieldValue.getDataOutput());
+ recordBuilder.addField(MetadataRecordTypes.DATASET_ARECORD_PENDINGOP_FIELD_INDEX, fieldValue);
+
// write record
try {
recordBuilder.write(tupleBuilder.getDataOutput(), true);
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entitytupletranslators/DatatypeTupleTranslator.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entitytupletranslators/DatatypeTupleTranslator.java
index 185f35b..7cfa6d0 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entitytupletranslators/DatatypeTupleTranslator.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entitytupletranslators/DatatypeTupleTranslator.java
@@ -49,6 +49,7 @@
import edu.uci.ics.asterix.om.types.AbstractCollectionType;
import edu.uci.ics.asterix.om.types.BuiltinType;
import edu.uci.ics.asterix.om.types.IAType;
+import edu.uci.ics.asterix.transaction.management.service.transaction.JobId;
import edu.uci.ics.hyracks.algebricks.common.exceptions.NotImplementedException;
import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
@@ -80,11 +81,11 @@
private ISerializerDeserializer<ARecord> recordSerDes = AqlSerializerDeserializerProvider.INSTANCE
.getSerializerDeserializer(MetadataRecordTypes.DATATYPE_RECORDTYPE);
private final MetadataNode metadataNode;
- private final long txnId;
+ private final JobId jobId;
- public DatatypeTupleTranslator(long txnId, MetadataNode metadataNode, boolean getTuple) {
+ public DatatypeTupleTranslator(JobId jobId, MetadataNode metadataNode, boolean getTuple) {
super(getTuple, MetadataPrimaryIndexes.DATATYPE_DATASET.getFieldCount());
- this.txnId = txnId;
+ this.jobId = jobId;
this.metadataNode = metadataNode;
}
@@ -185,7 +186,7 @@
IAType type = AsterixBuiltinTypeMap.getBuiltinTypes().get(typeName);
if (type == null) {
try {
- return metadataNode.getDatatype(txnId, dataverseName, typeName).getDatatype();
+ return metadataNode.getDatatype(jobId, dataverseName, typeName).getDatatype();
} catch (RemoteException e) {
throw new MetadataException(e);
}
@@ -429,11 +430,11 @@
try {
if (typeName == null) {
typeName = suggestedTypeName;
- metadataNode.addDatatype(txnId, new Datatype(topLevelType.getDataverseName(), typeName, nestedType,
+ metadataNode.addDatatype(jobId, new Datatype(topLevelType.getDataverseName(), typeName, nestedType,
true));
}
- mn.insertIntoDatatypeSecondaryIndex(txnId, topLevelType.getDataverseName(), typeName,
+ mn.insertIntoDatatypeSecondaryIndex(jobId, topLevelType.getDataverseName(), typeName,
topLevelType.getDatatypeName());
} catch (BTreeDuplicateKeyException e) {
@@ -441,7 +442,6 @@
// a previous nested type.
}
return typeName;
-
}
private boolean isDerivedType(ATypeTag tag) {
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entitytupletranslators/DataverseTupleTranslator.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entitytupletranslators/DataverseTupleTranslator.java
index 1e32004..23e42d6 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entitytupletranslators/DataverseTupleTranslator.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entitytupletranslators/DataverseTupleTranslator.java
@@ -27,8 +27,11 @@
import edu.uci.ics.asterix.metadata.bootstrap.MetadataPrimaryIndexes;
import edu.uci.ics.asterix.metadata.bootstrap.MetadataRecordTypes;
import edu.uci.ics.asterix.metadata.entities.Dataverse;
+import edu.uci.ics.asterix.om.base.AInt32;
+import edu.uci.ics.asterix.om.base.AMutableInt32;
import edu.uci.ics.asterix.om.base.ARecord;
import edu.uci.ics.asterix.om.base.AString;
+import edu.uci.ics.asterix.om.types.BuiltinType;
import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
@@ -42,12 +45,18 @@
// Payload field containing serialized Dataverse.
public static final int DATAVERSE_PAYLOAD_TUPLE_FIELD_INDEX = 1;
+ private AMutableInt32 aInt32;
+ protected ISerializerDeserializer<AInt32> aInt32Serde;
+
@SuppressWarnings("unchecked")
private ISerializerDeserializer<ARecord> recordSerDes = AqlSerializerDeserializerProvider.INSTANCE
.getSerializerDeserializer(MetadataRecordTypes.DATAVERSE_RECORDTYPE);
+ @SuppressWarnings("unchecked")
public DataverseTupleTranslator(boolean getTuple) {
super(getTuple, MetadataPrimaryIndexes.DATAVERSE_DATASET.getFieldCount());
+ aInt32 = new AMutableInt32(-1);
+ aInt32Serde = AqlSerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AINT32);
}
@Override
@@ -59,7 +68,8 @@
DataInput in = new DataInputStream(stream);
ARecord dataverseRecord = recordSerDes.deserialize(in);
return new Dataverse(((AString) dataverseRecord.getValueByPos(0)).getStringValue(),
- ((AString) dataverseRecord.getValueByPos(1)).getStringValue());
+ ((AString) dataverseRecord.getValueByPos(1)).getStringValue(),
+ ((AInt32) dataverseRecord.getValueByPos(3)).getIntegerValue());
}
@Override
@@ -90,6 +100,12 @@
stringSerde.serialize(aString, fieldValue.getDataOutput());
recordBuilder.addField(MetadataRecordTypes.DATAVERSE_ARECORD_TIMESTAMP_FIELD_INDEX, fieldValue);
+ // write field 3
+ fieldValue.reset();
+ aInt32.setValue(instance.getPendingOp());
+ aInt32Serde.serialize(aInt32, fieldValue.getDataOutput());
+ recordBuilder.addField(MetadataRecordTypes.DATAVERSE_ARECORD_PENDINGOP_FIELD_INDEX, fieldValue);
+
try {
recordBuilder.write(tupleBuilder.getDataOutput(), true);
} catch (AsterixException e) {
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entitytupletranslators/IndexTupleTranslator.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entitytupletranslators/IndexTupleTranslator.java
index 07d7cc9..e6f0462 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entitytupletranslators/IndexTupleTranslator.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entitytupletranslators/IndexTupleTranslator.java
@@ -98,13 +98,15 @@
}
Boolean isPrimaryIndex = ((ABoolean) rec.getValueByPos(MetadataRecordTypes.INDEX_ARECORD_ISPRIMARY_FIELD_INDEX))
.getBoolean();
+ int pendingOp = ((AInt32) rec.getValueByPos(MetadataRecordTypes.INDEX_ARECORD_PENDINGOP_FIELD_INDEX))
+ .getIntegerValue();
// Check if there is a gram length as well.
int gramLength = -1;
int gramLenPos = rec.getType().findFieldPosition(GRAM_LENGTH_FIELD_NAME);
if (gramLenPos >= 0) {
gramLength = ((AInt32) rec.getValueByPos(gramLenPos)).getIntegerValue();
}
- return new Index(dvName, dsName, indexName, indexStructure, searchKey, gramLength, isPrimaryIndex);
+ return new Index(dvName, dsName, indexName, indexStructure, searchKey, gramLength, isPrimaryIndex, pendingOp);
}
@Override
@@ -176,7 +178,12 @@
stringSerde.serialize(aString, fieldValue.getDataOutput());
recordBuilder.addField(MetadataRecordTypes.INDEX_ARECORD_TIMESTAMP_FIELD_INDEX, fieldValue);
- // write optional field 7
+ // write field 7
+ fieldValue.reset();
+ intSerde.serialize(new AInt32(instance.getPendingOp()), fieldValue.getDataOutput());
+ recordBuilder.addField(MetadataRecordTypes.INDEX_ARECORD_PENDINGOP_FIELD_INDEX, fieldValue);
+
+ // write optional field 8
if (instance.getGramLength() > 0) {
fieldValue.reset();
nameValue.reset();
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/utils/DatasetUtils.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/utils/DatasetUtils.java
index df41c6e..820f277 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/utils/DatasetUtils.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/utils/DatasetUtils.java
@@ -52,6 +52,18 @@
return bcfs;
}
+ public static int[] createBloomFilterKeyFields(Dataset dataset) throws AlgebricksException {
+ if (dataset.getDatasetType() == DatasetType.EXTERNAL) {
+ throw new AlgebricksException("not implemented");
+ }
+ List<String> partitioningKeys = getPartitioningKeys(dataset);
+ int[] bloomFilterKeyFields = new int[partitioningKeys.size()];
+ for (int i = 0; i < partitioningKeys.size(); ++i) {
+ bloomFilterKeyFields[i] = i;
+ }
+ return bloomFilterKeyFields;
+ }
+
public static IBinaryHashFunctionFactory[] computeKeysBinaryHashFunFactories(Dataset dataset, ARecordType itemType,
IBinaryHashFunctionFactoryProvider hashFunProvider) throws AlgebricksException {
if (dataset.getDatasetType() == DatasetType.EXTERNAL) {
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/valueextractors/DatasetNameValueExtractor.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/valueextractors/DatasetNameValueExtractor.java
index a6bbb8f..e554643 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/valueextractors/DatasetNameValueExtractor.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/valueextractors/DatasetNameValueExtractor.java
@@ -23,6 +23,7 @@
import edu.uci.ics.asterix.metadata.MetadataException;
import edu.uci.ics.asterix.metadata.api.IValueExtractor;
import edu.uci.ics.asterix.om.base.AString;
+import edu.uci.ics.asterix.transaction.management.service.transaction.JobId;
import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
@@ -32,7 +33,7 @@
*/
public class DatasetNameValueExtractor implements IValueExtractor<String> {
@Override
- public String getValue(long txnId, ITupleReference tuple) throws MetadataException, HyracksDataException {
+ public String getValue(JobId jobId, ITupleReference tuple) throws MetadataException, HyracksDataException {
byte[] serRecord = tuple.getFieldData(2);
int recordStartOffset = tuple.getFieldStart(2);
int recordLength = tuple.getFieldLength(2);
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/valueextractors/DatatypeNameValueExtractor.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/valueextractors/DatatypeNameValueExtractor.java
index 16a501d..2e4dbe4 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/valueextractors/DatatypeNameValueExtractor.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/valueextractors/DatatypeNameValueExtractor.java
@@ -25,6 +25,7 @@
import edu.uci.ics.asterix.metadata.MetadataNode;
import edu.uci.ics.asterix.metadata.api.IValueExtractor;
import edu.uci.ics.asterix.om.base.AString;
+import edu.uci.ics.asterix.transaction.management.service.transaction.JobId;
import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
@@ -42,7 +43,7 @@
}
@Override
- public String getValue(long txnId, ITupleReference tuple) throws MetadataException, HyracksDataException {
+ public String getValue(JobId jobId, ITupleReference tuple) throws MetadataException, HyracksDataException {
byte[] serRecord = tuple.getFieldData(2);
int recordStartOffset = tuple.getFieldStart(2);
int recordLength = tuple.getFieldLength(2);
@@ -50,10 +51,10 @@
DataInput in = new DataInputStream(stream);
String typeName = ((AString) AObjectSerializerDeserializer.INSTANCE.deserialize(in)).getStringValue();
try {
- if (metadataNode.getDatatype(txnId, dataverseName, typeName).getIsAnonymous()) {
+ if (metadataNode.getDatatype(jobId, dataverseName, typeName).getIsAnonymous()) {
// Get index 0 because it is anonymous type, and it is used in
// only one non-anonymous type.
- typeName = metadataNode.getDatatypeNamesUsingThisDatatype(txnId, dataverseName, typeName).get(0);
+ typeName = metadataNode.getDatatypeNamesUsingThisDatatype(jobId, dataverseName, typeName).get(0);
}
} catch (RemoteException e) {
throw new MetadataException(e);
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/valueextractors/MetadataEntityValueExtractor.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/valueextractors/MetadataEntityValueExtractor.java
index 34f9b29..7ae334e 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/valueextractors/MetadataEntityValueExtractor.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/valueextractors/MetadataEntityValueExtractor.java
@@ -20,6 +20,7 @@
import edu.uci.ics.asterix.metadata.MetadataException;
import edu.uci.ics.asterix.metadata.api.IMetadataEntityTupleTranslator;
import edu.uci.ics.asterix.metadata.api.IValueExtractor;
+import edu.uci.ics.asterix.transaction.management.service.transaction.JobId;
import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
@@ -34,7 +35,7 @@
}
@Override
- public T getValue(long txnId, ITupleReference tuple) throws MetadataException, HyracksDataException, IOException {
+ public T getValue(JobId jobId, ITupleReference tuple) throws MetadataException, HyracksDataException, IOException {
return tupleReaderWriter.getMetadataEntytiFromTuple(tuple);
}
}
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/valueextractors/NestedDatatypeNameValueExtractor.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/valueextractors/NestedDatatypeNameValueExtractor.java
index 74dabad..d4109cd 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/valueextractors/NestedDatatypeNameValueExtractor.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/valueextractors/NestedDatatypeNameValueExtractor.java
@@ -23,6 +23,7 @@
import edu.uci.ics.asterix.metadata.MetadataException;
import edu.uci.ics.asterix.metadata.api.IValueExtractor;
import edu.uci.ics.asterix.om.base.AString;
+import edu.uci.ics.asterix.transaction.management.service.transaction.JobId;
import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
@@ -40,7 +41,7 @@
}
@Override
- public String getValue(long txnId, ITupleReference tuple) throws MetadataException, HyracksDataException {
+ public String getValue(JobId jobId, ITupleReference tuple) throws MetadataException, HyracksDataException {
byte[] serRecord = tuple.getFieldData(2);
int recordStartOffset = tuple.getFieldStart(2);
int recordLength = tuple.getFieldLength(2);
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/valueextractors/TupleCopyValueExtractor.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/valueextractors/TupleCopyValueExtractor.java
index da608e5..03bc963 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/valueextractors/TupleCopyValueExtractor.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/valueextractors/TupleCopyValueExtractor.java
@@ -20,6 +20,7 @@
import edu.uci.ics.asterix.metadata.MetadataException;
import edu.uci.ics.asterix.metadata.api.IValueExtractor;
+import edu.uci.ics.asterix.transaction.management.service.transaction.JobId;
import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
@@ -44,7 +45,7 @@
}
@Override
- public ITupleReference getValue(long txnId, ITupleReference tuple) throws MetadataException, HyracksDataException,
+ public ITupleReference getValue(JobId jobId, ITupleReference tuple) throws MetadataException, HyracksDataException,
IOException {
int numBytes = tupleWriter.bytesRequired(tuple);
tupleBytes = new byte[numBytes];
diff --git a/asterix-om/pom.xml b/asterix-om/pom.xml
index a74d233..730f443 100644
--- a/asterix-om/pom.xml
+++ b/asterix-om/pom.xml
@@ -32,21 +32,18 @@
</dependency>
<dependency>
<groupId>edu.uci.ics.hyracks</groupId>
- <artifactId>hyracks-storage-am-invertedindex</artifactId>
+ <artifactId> hyracks-storage-am-lsm-invertedindex </artifactId>
+ <version>0.2.3-SNAPSHOT</version>
</dependency>
- <dependency>
- <groupId>edu.uci.ics.asterix</groupId>
- <artifactId>asterix-hyracks-glue</artifactId>
- <version>0.0.4-SNAPSHOT</version>
- <scope>compile</scope>
- </dependency>
- <dependency>
+ <dependency>
<groupId>edu.uci.ics.hyracks</groupId>
<artifactId>algebricks-compiler</artifactId>
+ <version>0.2.3-SNAPSHOT</version>
</dependency>
<dependency>
<groupId>edu.uci.ics.hyracks</groupId>
- <artifactId>hyracks-storage-am-rtree</artifactId>
+ <artifactId>hyracks-storage-am-lsm-rtree</artifactId>
+ <version>0.2.3-SNAPSHOT</version>
</dependency>
</dependencies>
</project>
diff --git a/asterix-om/src/main/java/edu/uci/ics/asterix/builders/OrderedListBuilder.java b/asterix-om/src/main/java/edu/uci/ics/asterix/builders/OrderedListBuilder.java
index 1fdd7df..caad260 100644
--- a/asterix-om/src/main/java/edu/uci/ics/asterix/builders/OrderedListBuilder.java
+++ b/asterix-om/src/main/java/edu/uci/ics/asterix/builders/OrderedListBuilder.java
@@ -3,7 +3,7 @@
import java.io.IOException;
import edu.uci.ics.asterix.om.types.ATypeTag;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.IToken;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IToken;
public class OrderedListBuilder extends AbstractListBuilder {
diff --git a/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/AListElementToken.java b/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/AListElementToken.java
index df3b43e..d1ee8c2 100644
--- a/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/AListElementToken.java
+++ b/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/AListElementToken.java
@@ -3,7 +3,7 @@
import java.io.IOException;
import edu.uci.ics.hyracks.data.std.util.GrowableArray;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.IToken;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IToken;
public class AListElementToken implements IToken {
diff --git a/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/AListElementTokenFactory.java b/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/AListElementTokenFactory.java
index fc46039..1ccf2db 100644
--- a/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/AListElementTokenFactory.java
+++ b/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/AListElementTokenFactory.java
@@ -1,7 +1,7 @@
package edu.uci.ics.asterix.dataflow.data.common;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.IToken;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.ITokenFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IToken;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.ITokenFactory;
public class AListElementTokenFactory implements ITokenFactory {
diff --git a/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/AOrderedListBinaryTokenizer.java b/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/AOrderedListBinaryTokenizer.java
index 667bfe7..89a3ff7 100644
--- a/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/AOrderedListBinaryTokenizer.java
+++ b/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/AOrderedListBinaryTokenizer.java
@@ -5,9 +5,9 @@
import edu.uci.ics.asterix.om.types.ATypeTag;
import edu.uci.ics.asterix.om.types.EnumDeserializer;
import edu.uci.ics.asterix.om.util.NonTaggedFormatUtil;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.IBinaryTokenizer;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.IToken;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.ITokenFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizer;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IToken;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.ITokenFactory;
public class AOrderedListBinaryTokenizer implements IBinaryTokenizer {
@@ -16,13 +16,13 @@
protected int length;
protected int listLength;
protected int itemIndex;
-
+
protected final IToken token;
-
+
public AOrderedListBinaryTokenizer(ITokenFactory tokenFactory) {
token = tokenFactory.createToken();
}
-
+
@Override
public IToken getToken() {
return token;
@@ -58,11 +58,11 @@
this.listLength = getNumberOfItems(data, start);
this.itemIndex = 0;
}
-
+
protected int getItemOffset(byte[] data, int start, int itemIndex) throws AsterixException {
return AOrderedListSerializerDeserializer.getItemOffset(data, start, itemIndex);
}
-
+
protected int getNumberOfItems(byte[] data, int start) {
return AOrderedListSerializerDeserializer.getNumberOfItems(data, start);
}
diff --git a/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/AOrderedListBinaryTokenizerFactory.java b/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/AOrderedListBinaryTokenizerFactory.java
index d7712ea..6c5077b 100644
--- a/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/AOrderedListBinaryTokenizerFactory.java
+++ b/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/AOrderedListBinaryTokenizerFactory.java
@@ -1,18 +1,18 @@
package edu.uci.ics.asterix.dataflow.data.common;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.IBinaryTokenizer;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.IBinaryTokenizerFactory;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.ITokenFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizer;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.ITokenFactory;
public class AOrderedListBinaryTokenizerFactory implements IBinaryTokenizerFactory {
private static final long serialVersionUID = 1L;
private final ITokenFactory tokenFactory;
-
+
public AOrderedListBinaryTokenizerFactory(ITokenFactory tokenFactory) {
this.tokenFactory = tokenFactory;
}
-
+
@Override
public IBinaryTokenizer createTokenizer() {
return new AOrderedListBinaryTokenizer(tokenFactory);
diff --git a/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/AUnorderedListBinaryTokenizer.java b/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/AUnorderedListBinaryTokenizer.java
index 11ab251..7e0ac32 100644
--- a/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/AUnorderedListBinaryTokenizer.java
+++ b/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/AUnorderedListBinaryTokenizer.java
@@ -2,14 +2,14 @@
import edu.uci.ics.asterix.common.exceptions.AsterixException;
import edu.uci.ics.asterix.dataflow.data.nontagged.serde.AUnorderedListSerializerDeserializer;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.ITokenFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.ITokenFactory;
public class AUnorderedListBinaryTokenizer extends AOrderedListBinaryTokenizer {
public AUnorderedListBinaryTokenizer(ITokenFactory tokenFactory) {
super(tokenFactory);
}
-
+
@Override
protected int getItemOffset(byte[] data, int start, int itemIndex) throws AsterixException {
return AUnorderedListSerializerDeserializer.getItemOffset(data, start, itemIndex);
diff --git a/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/AUnorderedListBinaryTokenizerFactory.java b/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/AUnorderedListBinaryTokenizerFactory.java
index 54b7692..fc55aa6 100644
--- a/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/AUnorderedListBinaryTokenizerFactory.java
+++ b/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/AUnorderedListBinaryTokenizerFactory.java
@@ -1,18 +1,18 @@
package edu.uci.ics.asterix.dataflow.data.common;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.IBinaryTokenizer;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.IBinaryTokenizerFactory;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.ITokenFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizer;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.ITokenFactory;
public class AUnorderedListBinaryTokenizerFactory implements IBinaryTokenizerFactory {
-
+
private static final long serialVersionUID = 1L;
private final ITokenFactory tokenFactory;
-
+
public AUnorderedListBinaryTokenizerFactory(ITokenFactory tokenFactory) {
this.tokenFactory = tokenFactory;
}
-
+
@Override
public IBinaryTokenizer createTokenizer() {
return new AUnorderedListBinaryTokenizer(tokenFactory);
diff --git a/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/IBinaryTokenizerFactoryProvider.java b/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/IBinaryTokenizerFactoryProvider.java
index cddb014..b9af9bf 100644
--- a/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/IBinaryTokenizerFactoryProvider.java
+++ b/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/IBinaryTokenizerFactoryProvider.java
@@ -1,9 +1,11 @@
package edu.uci.ics.asterix.dataflow.data.common;
import edu.uci.ics.asterix.om.types.ATypeTag;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.IBinaryTokenizerFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
public interface IBinaryTokenizerFactoryProvider {
public IBinaryTokenizerFactory getWordTokenizerFactory(ATypeTag typeTag, boolean hashedTokens);
- public IBinaryTokenizerFactory getNGramTokenizerFactory(ATypeTag typeTag, int gramLength, boolean usePrePost, boolean hashedTokens);
+
+ public IBinaryTokenizerFactory getNGramTokenizerFactory(ATypeTag typeTag, int gramLength, boolean usePrePost,
+ boolean hashedTokens);
}
diff --git a/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/ListEditDistanceSearchModifier.java b/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/ListEditDistanceSearchModifier.java
deleted file mode 100644
index 2a7fdb5..0000000
--- a/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/ListEditDistanceSearchModifier.java
+++ /dev/null
@@ -1,36 +0,0 @@
-package edu.uci.ics.asterix.dataflow.data.common;
-
-import java.util.Collections;
-import java.util.List;
-
-import edu.uci.ics.hyracks.storage.am.invertedindex.api.IInvertedIndexSearchModifier;
-import edu.uci.ics.hyracks.storage.am.invertedindex.api.IInvertedListCursor;
-
-// TODO: Should go into hyracks.
-public class ListEditDistanceSearchModifier implements IInvertedIndexSearchModifier {
-
- private int edThresh;
-
- public ListEditDistanceSearchModifier(int edThresh) {
- this.edThresh = edThresh;
- }
-
- @Override
- public int getOccurrenceThreshold(List<IInvertedListCursor> invListCursors) {
- return invListCursors.size() - edThresh;
- }
-
- @Override
- public int getPrefixLists(List<IInvertedListCursor> invListCursors) {
- Collections.sort(invListCursors);
- return invListCursors.size() - getOccurrenceThreshold(invListCursors) + 1;
- }
-
- public int getEdThresh() {
- return edThresh;
- }
-
- public void setEdThresh(int edThresh) {
- this.edThresh = edThresh;
- }
-}
diff --git a/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/ListEditDistanceSearchModifierFactory.java b/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/ListEditDistanceSearchModifierFactory.java
deleted file mode 100644
index b117a36..0000000
--- a/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/ListEditDistanceSearchModifierFactory.java
+++ /dev/null
@@ -1,21 +0,0 @@
-package edu.uci.ics.asterix.dataflow.data.common;
-
-import edu.uci.ics.hyracks.storage.am.invertedindex.api.IInvertedIndexSearchModifier;
-import edu.uci.ics.hyracks.storage.am.invertedindex.api.IInvertedIndexSearchModifierFactory;
-
-// TODO: Should go into hyracks.
-public class ListEditDistanceSearchModifierFactory implements IInvertedIndexSearchModifierFactory {
-
- private static final long serialVersionUID = 1L;
-
- private final int edThresh;
-
- public ListEditDistanceSearchModifierFactory(int edThresh) {
- this.edThresh = edThresh;
- }
-
- @Override
- public IInvertedIndexSearchModifier createSearchModifier() {
- return new ListEditDistanceSearchModifier(edThresh);
- }
-}
diff --git a/asterix-om/src/main/java/edu/uci/ics/asterix/formats/nontagged/AqlBinaryTokenizerFactoryProvider.java b/asterix-om/src/main/java/edu/uci/ics/asterix/formats/nontagged/AqlBinaryTokenizerFactoryProvider.java
index 9dfe7df..41a921e 100644
--- a/asterix-om/src/main/java/edu/uci/ics/asterix/formats/nontagged/AqlBinaryTokenizerFactoryProvider.java
+++ b/asterix-om/src/main/java/edu/uci/ics/asterix/formats/nontagged/AqlBinaryTokenizerFactoryProvider.java
@@ -5,11 +5,11 @@
import edu.uci.ics.asterix.dataflow.data.common.AUnorderedListBinaryTokenizerFactory;
import edu.uci.ics.asterix.dataflow.data.common.IBinaryTokenizerFactoryProvider;
import edu.uci.ics.asterix.om.types.ATypeTag;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.DelimitedUTF8StringBinaryTokenizerFactory;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.HashedUTF8WordTokenFactory;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.IBinaryTokenizerFactory;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.UTF8NGramTokenFactory;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.UTF8WordTokenFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.DelimitedUTF8StringBinaryTokenizerFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.HashedUTF8WordTokenFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.UTF8NGramTokenFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.UTF8WordTokenFactory;
public class AqlBinaryTokenizerFactoryProvider implements IBinaryTokenizerFactoryProvider {
@@ -17,14 +17,16 @@
private static final IBinaryTokenizerFactory aqlStringTokenizer = new DelimitedUTF8StringBinaryTokenizerFactory(
true, true, new UTF8WordTokenFactory(ATypeTag.STRING.serialize(), ATypeTag.INT32.serialize()));
-
+
private static final IBinaryTokenizerFactory aqlHashingStringTokenizer = new DelimitedUTF8StringBinaryTokenizerFactory(
true, true, new HashedUTF8WordTokenFactory(ATypeTag.INT32.serialize(), ATypeTag.INT32.serialize()));
- private static final IBinaryTokenizerFactory orderedListTokenizer = new AOrderedListBinaryTokenizerFactory(new AListElementTokenFactory());
-
- private static final IBinaryTokenizerFactory unorderedListTokenizer = new AUnorderedListBinaryTokenizerFactory(new AListElementTokenFactory());
-
+ private static final IBinaryTokenizerFactory orderedListTokenizer = new AOrderedListBinaryTokenizerFactory(
+ new AListElementTokenFactory());
+
+ private static final IBinaryTokenizerFactory unorderedListTokenizer = new AUnorderedListBinaryTokenizerFactory(
+ new AListElementTokenFactory());
+
@Override
public IBinaryTokenizerFactory getWordTokenizerFactory(ATypeTag typeTag, boolean hashedTokens) {
switch (typeTag) {
diff --git a/asterix-om/src/main/java/edu/uci/ics/asterix/formats/nontagged/NGramUTF8StringBinaryTokenizerFactory.java b/asterix-om/src/main/java/edu/uci/ics/asterix/formats/nontagged/NGramUTF8StringBinaryTokenizerFactory.java
index 895dac4..48dde10 100644
--- a/asterix-om/src/main/java/edu/uci/ics/asterix/formats/nontagged/NGramUTF8StringBinaryTokenizerFactory.java
+++ b/asterix-om/src/main/java/edu/uci/ics/asterix/formats/nontagged/NGramUTF8StringBinaryTokenizerFactory.java
@@ -19,30 +19,29 @@
package edu.uci.ics.asterix.formats.nontagged;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.IBinaryTokenizer;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.IBinaryTokenizerFactory;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.ITokenFactory;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.NGramUTF8StringBinaryTokenizer;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizer;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.ITokenFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.NGramUTF8StringBinaryTokenizer;
// TODO: Should be moved into Hyracks with the rest of the tokenizer code.
-public class NGramUTF8StringBinaryTokenizerFactory implements
- IBinaryTokenizerFactory {
+public class NGramUTF8StringBinaryTokenizerFactory implements IBinaryTokenizerFactory {
- private static final long serialVersionUID = 1L;
- private final int gramLength;
- private final boolean usePrePost;
- private final boolean ignoreTokenCount;
- private final boolean sourceHasTypeTag;
- private final ITokenFactory tokenFactory;
+ private static final long serialVersionUID = 1L;
+ private final int gramLength;
+ private final boolean usePrePost;
+ private final boolean ignoreTokenCount;
+ private final boolean sourceHasTypeTag;
+ private final ITokenFactory tokenFactory;
- public NGramUTF8StringBinaryTokenizerFactory(int gramLength, boolean usePrePost, boolean ignoreTokenCount,
- boolean sourceHasTypeTag, ITokenFactory tokenFactory) {
- this.gramLength = gramLength;
- this.usePrePost = usePrePost;
- this.ignoreTokenCount = ignoreTokenCount;
- this.sourceHasTypeTag = sourceHasTypeTag;
- this.tokenFactory = tokenFactory;
- }
+ public NGramUTF8StringBinaryTokenizerFactory(int gramLength, boolean usePrePost, boolean ignoreTokenCount,
+ boolean sourceHasTypeTag, ITokenFactory tokenFactory) {
+ this.gramLength = gramLength;
+ this.usePrePost = usePrePost;
+ this.ignoreTokenCount = ignoreTokenCount;
+ this.sourceHasTypeTag = sourceHasTypeTag;
+ this.tokenFactory = tokenFactory;
+ }
@Override
public IBinaryTokenizer createTokenizer() {
diff --git a/asterix-runtime/pom.xml b/asterix-runtime/pom.xml
index 245f577..4223787 100644
--- a/asterix-runtime/pom.xml
+++ b/asterix-runtime/pom.xml
@@ -132,6 +132,11 @@
<type>jar</type>
<scope>compile</scope>
</dependency>
+ <dependency>
+ <groupId>edu.uci.ics.hyracks</groupId>
+ <artifactId>hyracks-api</artifactId>
+ <version>0.2.3-SNAPSHOT</version>
+ </dependency>
</dependencies>
</project>
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/common/GramTokensEvaluator.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/common/GramTokensEvaluator.java
index 261039a..d336c05 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/common/GramTokensEvaluator.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/common/GramTokensEvaluator.java
@@ -14,8 +14,8 @@
import edu.uci.ics.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
import edu.uci.ics.hyracks.dataflow.common.data.marshalling.BooleanSerializerDeserializer;
import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.IBinaryTokenizer;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.NGramUTF8StringBinaryTokenizer;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizer;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.NGramUTF8StringBinaryTokenizer;
public class GramTokensEvaluator implements ICopyEvaluator {
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/common/WordTokensEvaluator.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/common/WordTokensEvaluator.java
index c316fb5..a98b754 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/common/WordTokensEvaluator.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/common/WordTokensEvaluator.java
@@ -12,7 +12,7 @@
import edu.uci.ics.hyracks.data.std.api.IDataOutputProvider;
import edu.uci.ics.hyracks.data.std.util.ArrayBackedValueStorage;
import edu.uci.ics.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.IBinaryTokenizer;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizer;
public class WordTokensEvaluator implements ICopyEvaluator {
private final DataOutput out;
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/CountHashedGramTokensDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/CountHashedGramTokensDescriptor.java
index c4e8387..0bdb7ff 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/CountHashedGramTokensDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/CountHashedGramTokensDescriptor.java
@@ -11,9 +11,9 @@
import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyEvaluator;
import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyEvaluatorFactory;
import edu.uci.ics.hyracks.data.std.api.IDataOutputProvider;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.HashedUTF8NGramTokenFactory;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.ITokenFactory;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.NGramUTF8StringBinaryTokenizer;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.HashedUTF8NGramTokenFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.ITokenFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.NGramUTF8StringBinaryTokenizer;
public class CountHashedGramTokensDescriptor extends AbstractScalarFunctionDynamicDescriptor {
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/CountHashedWordTokensDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/CountHashedWordTokensDescriptor.java
index 90a4293..be982c0 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/CountHashedWordTokensDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/CountHashedWordTokensDescriptor.java
@@ -11,10 +11,10 @@
import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyEvaluator;
import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyEvaluatorFactory;
import edu.uci.ics.hyracks.data.std.api.IDataOutputProvider;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.DelimitedUTF8StringBinaryTokenizer;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.HashedUTF8WordTokenFactory;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.IBinaryTokenizer;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.ITokenFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.DelimitedUTF8StringBinaryTokenizer;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.HashedUTF8WordTokenFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizer;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.ITokenFactory;
public class CountHashedWordTokensDescriptor extends AbstractScalarFunctionDynamicDescriptor {
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/GramTokensDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/GramTokensDescriptor.java
index 20a2977..1993453 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/GramTokensDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/GramTokensDescriptor.java
@@ -11,9 +11,9 @@
import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyEvaluator;
import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyEvaluatorFactory;
import edu.uci.ics.hyracks.data.std.api.IDataOutputProvider;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.ITokenFactory;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.NGramUTF8StringBinaryTokenizer;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.UTF8NGramTokenFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.ITokenFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.NGramUTF8StringBinaryTokenizer;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.UTF8NGramTokenFactory;
public class GramTokensDescriptor extends AbstractScalarFunctionDynamicDescriptor {
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/HashedGramTokensDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/HashedGramTokensDescriptor.java
index e86f86a6..43fda6f 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/HashedGramTokensDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/HashedGramTokensDescriptor.java
@@ -11,9 +11,9 @@
import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyEvaluator;
import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyEvaluatorFactory;
import edu.uci.ics.hyracks.data.std.api.IDataOutputProvider;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.HashedUTF8NGramTokenFactory;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.ITokenFactory;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.NGramUTF8StringBinaryTokenizer;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.HashedUTF8NGramTokenFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.ITokenFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.NGramUTF8StringBinaryTokenizer;
public class HashedGramTokensDescriptor extends AbstractScalarFunctionDynamicDescriptor {
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/HashedWordTokensDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/HashedWordTokensDescriptor.java
index d6da522..554044a 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/HashedWordTokensDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/HashedWordTokensDescriptor.java
@@ -11,10 +11,10 @@
import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyEvaluator;
import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyEvaluatorFactory;
import edu.uci.ics.hyracks.data.std.api.IDataOutputProvider;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.DelimitedUTF8StringBinaryTokenizer;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.HashedUTF8WordTokenFactory;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.IBinaryTokenizer;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.ITokenFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.DelimitedUTF8StringBinaryTokenizer;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.HashedUTF8WordTokenFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizer;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.ITokenFactory;
public class HashedWordTokensDescriptor extends AbstractScalarFunctionDynamicDescriptor {
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/SpatialIntersectDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/SpatialIntersectDescriptor.java
index bd3aef5..415e44f 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/SpatialIntersectDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/SpatialIntersectDescriptor.java
@@ -66,25 +66,11 @@
private final DoubleArray trianglesX1 = new DoubleArray();
private final DoubleArray trianglesY1 = new DoubleArray();
- private boolean pointOnLine(byte[] bytes0, byte[] bytes1) throws HyracksDataException {
- double startX = ADoubleSerializerDeserializer.getDouble(bytes0,
- ALineSerializerDeserializer.getStartPointCoordinateOffset(Coordinate.X));
- double startY = ADoubleSerializerDeserializer.getDouble(bytes0,
- ALineSerializerDeserializer.getStartPointCoordinateOffset(Coordinate.Y));
- double endX = ADoubleSerializerDeserializer.getDouble(bytes0,
- ALineSerializerDeserializer.getEndPointCoordinateOffset(Coordinate.X));
- double endY = ADoubleSerializerDeserializer.getDouble(bytes0,
- ALineSerializerDeserializer.getEndPointCoordinateOffset(Coordinate.Y));
-
- double pX = ADoubleSerializerDeserializer.getDouble(bytes1,
- APointSerializerDeserializer.getCoordinateOffset(Coordinate.X));
- double pY = ADoubleSerializerDeserializer.getDouble(bytes1,
- APointSerializerDeserializer.getCoordinateOffset(Coordinate.Y));
-
+ private boolean pointOnLine(double pX, double pY, double startX, double startY, double endX,
+ double endY) throws HyracksDataException {
double crossProduct = SpatialUtils.crossProduct(pY - startY, pX - startX, endY - startY, endX
- startX);
- if (Math.abs(crossProduct) > SpatialUtils.doubleEpsilon()) { // crossProduct
- // != 0
+ if (Math.abs(crossProduct) > SpatialUtils.doubleEpsilon()) { // crossProduct != 0
return false;
}
@@ -101,8 +87,7 @@
return true;
}
- private boolean pointInPolygon(byte[] bytes0, byte[] bytes1) throws HyracksDataException { // ray
- // casting
+ private boolean pointInPolygon(byte[] bytes0, byte[] bytes1) throws HyracksDataException { // ray casting
double pX = ADoubleSerializerDeserializer.getDouble(bytes0,
APointSerializerDeserializer.getCoordinateOffset(Coordinate.X));
@@ -135,13 +120,16 @@
y2 = ADoubleSerializerDeserializer.getDouble(bytes1,
APolygonSerializerDeserializer.getCoordinateOffset(i, Coordinate.Y));
}
- if (pY > Math.min(y1, y2)) {
- if (pY <= Math.max(y1, y2)) {
- if (pX <= Math.max(x1, x2)) {
- if (y1 != y2) {
- xInters = (pY - y1) * (x2 - x1) / (y2 - y1) + x1;
- if (x1 == x2 || pX <= xInters) {
- counter++;
+
+ if (!pointOnLine(pX, pY, x1, y1, x2, y2)) {
+ if (pY > Math.min(y1, y2)) {
+ if (pY <= Math.max(y1, y2)) {
+ if (pX <= Math.max(x1, x2)) {
+ if (y1 != y2) {
+ xInters = (pY - y1) * (x2 - x1) / (y2 - y1) + x1;
+ if (x1 == x2 || pX <= xInters) {
+ counter++;
+ }
}
}
}
@@ -170,7 +158,7 @@
double radius = ADoubleSerializerDeserializer.getDouble(bytes1,
ACircleSerializerDeserializer.getRadiusOffset());
- if ((x - cX) * (x - cX) + (y - cY) * (y - cY) < (radius * radius)) {
+ if ((x - cX) * (x - cX) + (y - cY) * (y - cY) <= (radius * radius)) {
return true;
}
return false;
@@ -187,9 +175,7 @@
double C2 = A2 * startX2 + B2 * startY2;
double det = (A1 * B2) - (A2 * B1);
- if (Math.abs(det) > SpatialUtils.doubleEpsilon()) { // det
- // !=
- // 0
+ if (Math.abs(det) > SpatialUtils.doubleEpsilon()) { // det != 0
double x = (B2 * C1 - B1 * C2) / det;
double y = (A1 * C2 - A2 * C1) / det;
@@ -309,7 +295,7 @@
dx = (startX + t * (endX - startX)) - cX;
dy = (startY + t * (endY - startY)) - cY;
double rt = (dx * dx) + (dy * dy);
- if (rt < (radius * radius)) {
+ if (rt <= (radius * radius)) {
return true;
}
return false;
@@ -358,8 +344,7 @@
private int triangulatePolygon(byte[] bytes, int numOfPoints, IntArray pointsOffsets,
DoubleArray trianglesX, DoubleArray trianglesY, int triangleId,
- int nonSimplePolygonDetection, int middleVertex) throws HyracksDataException { // Ear
- // clipping
+ int nonSimplePolygonDetection, int middleVertex) throws HyracksDataException { // Ear clipping
if (numOfPoints < 3) {
return -1;
@@ -426,8 +411,7 @@
private boolean triangleTriangleIntersection(DoubleArray trianglesX0, DoubleArray trianglesY0,
int triangleId0, DoubleArray trianglesX1, DoubleArray trianglesY1, int triangleId1)
- throws HyracksDataException { // separating axis
- // theorem
+ throws HyracksDataException { // separating axis theorem
for (int side = 0; side < 3; side++) {
spatialUtils.findNormals(trianglesX0, trianglesY0, triangleId0, side);
@@ -447,10 +431,8 @@
return true;
}
- private final boolean pointInsideTriangle(double x1, double y1, double x2, double y2, double x3,
- double y3, double pX, double pY)
-
- {
+ private boolean pointInsideTriangle(double x1, double y1, double x2, double y2, double x3,
+ double y3, double pX, double pY) {
return pointsOnSameSide(pX, pY, x1, y1, x2, y2, x3, y3)
&& pointsOnSameSide(pX, pY, x2, y2, x1, y1, x3, y3)
&& pointsOnSameSide(pX, pY, x3, y3, x1, y1, x2, y2);
@@ -464,9 +446,7 @@
}
private boolean circleTriangleIntersection(byte[] bytes0, DoubleArray trianglesX,
- DoubleArray trianglesY, int triangleId) throws HyracksDataException { // separating
- // axis
- // theorem
+ DoubleArray trianglesY, int triangleId) throws HyracksDataException { // separating axis theorem
double cX = ADoubleSerializerDeserializer.getDouble(bytes0,
ACircleSerializerDeserializer.getCenterPointCoordinateOffset(Coordinate.X));
@@ -772,7 +752,27 @@
}
break;
case LINE:
- res = pointOnLine(outInput1.getByteArray(), outInput0.getByteArray());
+ double pX = ADoubleSerializerDeserializer.getDouble(
+ outInput0.getByteArray(),
+ APointSerializerDeserializer.getCoordinateOffset(Coordinate.X));
+ double pY = ADoubleSerializerDeserializer.getDouble(
+ outInput0.getByteArray(),
+ APointSerializerDeserializer.getCoordinateOffset(Coordinate.Y));
+
+ double startX = ADoubleSerializerDeserializer.getDouble(outInput1
+ .getByteArray(), ALineSerializerDeserializer
+ .getStartPointCoordinateOffset(Coordinate.X));
+ double startY = ADoubleSerializerDeserializer.getDouble(outInput1
+ .getByteArray(), ALineSerializerDeserializer
+ .getStartPointCoordinateOffset(Coordinate.Y));
+ double endX = ADoubleSerializerDeserializer.getDouble(outInput1
+ .getByteArray(), ALineSerializerDeserializer
+ .getEndPointCoordinateOffset(Coordinate.X));
+ double endY = ADoubleSerializerDeserializer.getDouble(outInput1
+ .getByteArray(), ALineSerializerDeserializer
+ .getEndPointCoordinateOffset(Coordinate.Y));
+
+ res = pointOnLine(pX, pY, startX, startY, endX, endY);
break;
case POLYGON:
res = pointInPolygon(outInput0.getByteArray(), outInput1.getByteArray());
@@ -796,7 +796,27 @@
case LINE:
switch (tag1) {
case POINT:
- res = pointOnLine(outInput0.getByteArray(), outInput1.getByteArray());
+ double pX = ADoubleSerializerDeserializer.getDouble(
+ outInput1.getByteArray(),
+ APointSerializerDeserializer.getCoordinateOffset(Coordinate.X));
+ double pY = ADoubleSerializerDeserializer.getDouble(
+ outInput1.getByteArray(),
+ APointSerializerDeserializer.getCoordinateOffset(Coordinate.Y));
+
+ double startX = ADoubleSerializerDeserializer.getDouble(outInput0
+ .getByteArray(), ALineSerializerDeserializer
+ .getStartPointCoordinateOffset(Coordinate.X));
+ double startY = ADoubleSerializerDeserializer.getDouble(outInput0
+ .getByteArray(), ALineSerializerDeserializer
+ .getStartPointCoordinateOffset(Coordinate.Y));
+ double endX = ADoubleSerializerDeserializer.getDouble(outInput0
+ .getByteArray(), ALineSerializerDeserializer
+ .getEndPointCoordinateOffset(Coordinate.X));
+ double endY = ADoubleSerializerDeserializer.getDouble(outInput0
+ .getByteArray(), ALineSerializerDeserializer
+ .getEndPointCoordinateOffset(Coordinate.Y));
+
+ res = pointOnLine(pX, pY, startX, startY, endX, endY);
break;
case LINE:
double startX1 = ADoubleSerializerDeserializer.getDouble(outInput0
@@ -1059,5 +1079,4 @@
public FunctionIdentifier getIdentifier() {
return AsterixBuiltinFunctions.SPATIAL_INTERSECT;
}
-
}
\ No newline at end of file
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/WordTokensDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/WordTokensDescriptor.java
index 791ee6b..80cb6db 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/WordTokensDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/WordTokensDescriptor.java
@@ -11,10 +11,10 @@
import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyEvaluator;
import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyEvaluatorFactory;
import edu.uci.ics.hyracks.data.std.api.IDataOutputProvider;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.DelimitedUTF8StringBinaryTokenizer;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.IBinaryTokenizer;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.ITokenFactory;
-import edu.uci.ics.hyracks.storage.am.invertedindex.tokenizers.UTF8WordTokenFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.DelimitedUTF8StringBinaryTokenizer;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizer;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.ITokenFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.UTF8WordTokenFactory;
public class WordTokensDescriptor extends AbstractScalarFunctionDynamicDescriptor {
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/job/listener/JobEventListenerFactory.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/job/listener/JobEventListenerFactory.java
index 2d49982..45e19c6 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/job/listener/JobEventListenerFactory.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/job/listener/JobEventListenerFactory.java
@@ -2,7 +2,9 @@
import edu.uci.ics.asterix.common.context.AsterixAppRuntimeContext;
import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
+import edu.uci.ics.asterix.transaction.management.service.transaction.DatasetId;
import edu.uci.ics.asterix.transaction.management.service.transaction.ITransactionManager;
+import edu.uci.ics.asterix.transaction.management.service.transaction.JobId;
import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionContext;
import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionContext.TransactionType;
import edu.uci.ics.hyracks.api.context.IHyracksJobletContext;
@@ -13,13 +15,17 @@
public class JobEventListenerFactory implements IJobletEventListenerFactory {
private static final long serialVersionUID = 1L;
- private final long txnId;
+ private final JobId jobId;
private final boolean transactionalWrite;
- public JobEventListenerFactory(long txnId, boolean transactionalWrite) {
- this.txnId = txnId;
+ public JobEventListenerFactory(JobId jobId, boolean transactionalWrite) {
+ this.jobId = jobId;
this.transactionalWrite = transactionalWrite;
}
+
+ public JobId getJobId() {
+ return jobId;
+ }
@Override
public IJobletEventListener createListener(final IHyracksJobletContext jobletContext) {
@@ -29,11 +35,11 @@
public void jobletFinish(JobStatus jobStatus) {
try {
ITransactionManager txnManager = ((AsterixAppRuntimeContext) jobletContext.getApplicationContext()
- .getApplicationObject()).getTransactionProvider().getTransactionManager();
- TransactionContext txnContext = txnManager.getTransactionContext(txnId);
+ .getApplicationObject()).getTransactionSubsystem().getTransactionManager();
+ TransactionContext txnContext = txnManager.getTransactionContext(jobId);
txnContext.setTransactionType(transactionalWrite ? TransactionType.READ_WRITE
: TransactionType.READ);
- txnManager.completedTransaction(txnContext, !(jobStatus == JobStatus.FAILURE));
+ txnManager.completedTransaction(txnContext, new DatasetId(-1), -1, !(jobStatus == JobStatus.FAILURE));
} catch (ACIDException e) {
throw new Error(e);
}
@@ -41,7 +47,12 @@
@Override
public void jobletStart() {
-
+ try {
+ ((AsterixAppRuntimeContext) jobletContext.getApplicationContext().getApplicationObject())
+ .getTransactionSubsystem().getTransactionManager().getTransactionContext(jobId);
+ } catch (ACIDException e) {
+ throw new Error(e);
+ }
}
};
diff --git a/asterix-tools/src/main/java/edu/uci/ics/asterix/tools/datagen/AdmDataGen.java b/asterix-tools/src/main/java/edu/uci/ics/asterix/tools/datagen/AdmDataGen.java
index dc83694..45294df 100644
--- a/asterix-tools/src/main/java/edu/uci/ics/asterix/tools/datagen/AdmDataGen.java
+++ b/asterix-tools/src/main/java/edu/uci/ics/asterix/tools/datagen/AdmDataGen.java
@@ -48,6 +48,7 @@
import edu.uci.ics.asterix.om.types.TypeSignature;
import edu.uci.ics.asterix.tools.translator.ADGenDmlTranslator;
import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
+import edu.uci.ics.asterix.transaction.management.service.transaction.JobId;
import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
import edu.uci.ics.hyracks.algebricks.common.exceptions.NotImplementedException;
import edu.uci.ics.hyracks.algebricks.data.utils.WriteValueTools;
@@ -931,7 +932,7 @@
List<Statement> statements = parser.Statement();
aql.close();
// TODO: Need to fix how to use transactions here.
- MetadataTransactionContext mdTxnCtx = new MetadataTransactionContext(-1);
+ MetadataTransactionContext mdTxnCtx = new MetadataTransactionContext(new JobId(-1));
ADGenDmlTranslator dmlt = new ADGenDmlTranslator(mdTxnCtx, statements);
dmlt.translate();
typeMap = dmlt.getTypeMap();
diff --git a/asterix-tools/src/main/java/edu/uci/ics/asterix/tools/translator/ADGenDmlTranslator.java b/asterix-tools/src/main/java/edu/uci/ics/asterix/tools/translator/ADGenDmlTranslator.java
index 7b91fcb..526580e 100644
--- a/asterix-tools/src/main/java/edu/uci/ics/asterix/tools/translator/ADGenDmlTranslator.java
+++ b/asterix-tools/src/main/java/edu/uci/ics/asterix/tools/translator/ADGenDmlTranslator.java
@@ -19,58 +19,54 @@
public class ADGenDmlTranslator extends AbstractAqlTranslator {
- private final MetadataTransactionContext mdTxnCtx;
- private final List<Statement> aqlStatements;
- private Map<TypeSignature, IAType> types;
- private Map<TypeSignature, TypeDataGen> typeDataGenMap;
+ private final MetadataTransactionContext mdTxnCtx;
+ private final List<Statement> aqlStatements;
+ private Map<TypeSignature, IAType> types;
+ private Map<TypeSignature, TypeDataGen> typeDataGenMap;
- public ADGenDmlTranslator(MetadataTransactionContext mdTxnCtx,
- List<Statement> aqlStatements) {
- this.mdTxnCtx = mdTxnCtx;
- this.aqlStatements = aqlStatements;
- }
+ public ADGenDmlTranslator(MetadataTransactionContext mdTxnCtx, List<Statement> aqlStatements) {
+ this.mdTxnCtx = mdTxnCtx;
+ this.aqlStatements = aqlStatements;
+ }
- public void translate() throws AsterixException, MetadataException,
- AlgebricksException {
- String defaultDataverse = getDefaultDataverse();
- types = new HashMap<TypeSignature, IAType>();
- typeDataGenMap = new HashMap<TypeSignature, TypeDataGen>();
+ public void translate() throws AsterixException, MetadataException, AlgebricksException {
+ String defaultDataverse = getDefaultDataverse();
+ types = new HashMap<TypeSignature, IAType>();
+ typeDataGenMap = new HashMap<TypeSignature, TypeDataGen>();
- for (Statement stmt : aqlStatements) {
- if (stmt.getKind().equals(Statement.Kind.TYPE_DECL)) {
- TypeDecl td = (TypeDecl) stmt;
- String typeDataverse = td.getDataverseName() == null ? defaultDataverse
- : td.getDataverseName().getValue();
+ for (Statement stmt : aqlStatements) {
+ if (stmt.getKind().equals(Statement.Kind.TYPE_DECL)) {
+ TypeDecl td = (TypeDecl) stmt;
+ String typeDataverse = td.getDataverseName() == null ? defaultDataverse : td.getDataverseName()
+ .getValue();
- Map<TypeSignature, IAType> typeInStmt = TypeTranslator
- .computeTypes(mdTxnCtx, td, typeDataverse, types);
- types.putAll(typeInStmt);
+ Map<TypeSignature, IAType> typeInStmt = TypeTranslator.computeTypes(mdTxnCtx, td, typeDataverse, types);
+ types.putAll(typeInStmt);
- TypeSignature signature = new TypeSignature(typeDataverse, td
- .getIdent().getValue());
- TypeDataGen tdg = td.getDatagenAnnotation();
- if (tdg != null) {
- typeDataGenMap.put(signature, tdg);
- }
- }
- }
- }
+ TypeSignature signature = new TypeSignature(typeDataverse, td.getIdent().getValue());
+ TypeDataGen tdg = td.getDatagenAnnotation();
+ if (tdg != null) {
+ typeDataGenMap.put(signature, tdg);
+ }
+ }
+ }
+ }
- private String getDefaultDataverse() {
- for (Statement stmt : aqlStatements) {
- if (stmt.getKind().equals(Statement.Kind.DATAVERSE_DECL)) {
- return ((DataverseDecl) stmt).getDataverseName().getValue();
- }
- }
- return null;
- }
+ private String getDefaultDataverse() {
+ for (Statement stmt : aqlStatements) {
+ if (stmt.getKind().equals(Statement.Kind.DATAVERSE_DECL)) {
+ return ((DataverseDecl) stmt).getDataverseName().getValue();
+ }
+ }
+ return null;
+ }
- public Map<TypeSignature, IAType> getTypeMap() {
- return types;
- }
+ public Map<TypeSignature, IAType> getTypeMap() {
+ return types;
+ }
- public Map<TypeSignature, TypeDataGen> getTypeDataGenMap() {
- return typeDataGenMap;
- }
+ public Map<TypeSignature, TypeDataGen> getTypeDataGenMap() {
+ return typeDataGenMap;
+ }
}
diff --git a/asterix-transactions/pom.xml b/asterix-transactions/pom.xml
index bc008cd..27b4b4b 100644
--- a/asterix-transactions/pom.xml
+++ b/asterix-transactions/pom.xml
@@ -6,9 +6,7 @@
<groupId>edu.uci.ics.asterix</groupId>
<version>0.0.4-SNAPSHOT</version>
</parent>
- <groupId>edu.uci.ics.asterix</groupId>
<artifactId>asterix-transactions</artifactId>
- <version>0.0.4-SNAPSHOT</version>
<build>
<plugins>
@@ -31,5 +29,21 @@
<groupId>edu.uci.ics.hyracks</groupId>
<artifactId>hyracks-storage-am-common</artifactId>
</dependency>
+ <dependency>
+ <groupId>edu.uci.ics.hyracks</groupId>
+ <artifactId>hyracks-storage-am-lsm-btree</artifactId>
+ <version>0.2.3-SNAPSHOT</version>
+ </dependency>
+ <dependency>
+ <groupId>edu.uci.ics.hyracks</groupId>
+ <artifactId>hyracks-storage-am-lsm-rtree</artifactId>
+ <version>0.2.3-SNAPSHOT</version>
+ </dependency>
+ <dependency>
+ <groupId>edu.uci.ics.hyracks</groupId>
+ <artifactId>hyracks-storage-am-lsm-invertedindex</artifactId>
+ <version>0.2.3-SNAPSHOT</version>
+ </dependency>
</dependencies>
+
</project>
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/exception/ACIDException.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/exception/ACIDException.java
index 339e349..2bc9935 100644
--- a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/exception/ACIDException.java
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/exception/ACIDException.java
@@ -56,5 +56,9 @@
public ACIDException(String message) {
super(message);
}
+
+ public ACIDException(Throwable cause) {
+ super(cause);
+ }
}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/ioopcallbacks/AbstractLSMIOOperationCallback.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/ioopcallbacks/AbstractLSMIOOperationCallback.java
new file mode 100644
index 0000000..74f39ad
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/ioopcallbacks/AbstractLSMIOOperationCallback.java
@@ -0,0 +1,83 @@
+/*
+ * Copyright 2009-2012 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package edu.uci.ics.asterix.transaction.management.ioopcallbacks;
+
+import java.util.List;
+
+import edu.uci.ics.asterix.transaction.management.opcallbacks.IndexOperationTracker;
+import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
+import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexMetaDataFrame;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
+import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
+import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
+import edu.uci.ics.hyracks.storage.common.file.BufferedFileHandle;
+
+public abstract class AbstractLSMIOOperationCallback implements ILSMIOOperationCallback {
+
+ protected final IndexOperationTracker opTracker;
+
+ public AbstractLSMIOOperationCallback(IndexOperationTracker opTracker) {
+ this.opTracker = opTracker;
+ }
+
+ @Override
+ public void beforeOperation() {
+ // Do nothing.
+ }
+
+ @Override
+ public void afterFinalize(ILSMComponent newComponent) {
+ opTracker.resetLSNs();
+ }
+
+ protected abstract long getComponentLSN(List<ILSMComponent> oldComponents) throws HyracksDataException;
+
+ protected void putLSNIntoMetadata(ITreeIndex treeIndex, List<ILSMComponent> oldComponents)
+ throws HyracksDataException {
+ long componentLSN = getComponentLSN(oldComponents);
+ int fileId = treeIndex.getFileId();
+ IBufferCache bufferCache = treeIndex.getBufferCache();
+ ITreeIndexMetaDataFrame metadataFrame = treeIndex.getFreePageManager().getMetaDataFrameFactory().createFrame();
+ int metadataPageId = treeIndex.getFreePageManager().getFirstMetadataPage();
+ ICachedPage metadataPage = bufferCache.pin(BufferedFileHandle.getDiskPageId(fileId, metadataPageId), false);
+ metadataPage.acquireWriteLatch();
+ try {
+ metadataFrame.setPage(metadataPage);
+ metadataFrame.setLSN(componentLSN);
+ } finally {
+ metadataPage.releaseWriteLatch();
+ bufferCache.unpin(metadataPage);
+ }
+ }
+
+ protected long getTreeIndexLSN(ITreeIndex treeIndex) throws HyracksDataException {
+ int fileId = treeIndex.getFileId();
+ IBufferCache bufferCache = treeIndex.getBufferCache();
+ ITreeIndexMetaDataFrame metadataFrame = treeIndex.getFreePageManager().getMetaDataFrameFactory().createFrame();
+ int metadataPageId = treeIndex.getFreePageManager().getFirstMetadataPage();
+ ICachedPage metadataPage = bufferCache.pin(BufferedFileHandle.getDiskPageId(fileId, metadataPageId), false);
+ metadataPage.acquireReadLatch();
+ try {
+ metadataFrame.setPage(metadataPage);
+ return metadataFrame.getLSN();
+ } finally {
+ metadataPage.releaseReadLatch();
+ bufferCache.unpin(metadataPage);
+ }
+ }
+}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/ioopcallbacks/LSMBTreeIOOperationCallback.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/ioopcallbacks/LSMBTreeIOOperationCallback.java
new file mode 100644
index 0000000..fb444c3
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/ioopcallbacks/LSMBTreeIOOperationCallback.java
@@ -0,0 +1,53 @@
+/*
+ * Copyright 2009-2012 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package edu.uci.ics.asterix.transaction.management.ioopcallbacks;
+
+import java.util.List;
+
+import edu.uci.ics.asterix.transaction.management.opcallbacks.IndexOperationTracker;
+import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
+import edu.uci.ics.hyracks.storage.am.lsm.btree.impls.LSMBTreeImmutableComponent;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
+
+public class LSMBTreeIOOperationCallback extends AbstractLSMIOOperationCallback {
+
+ public LSMBTreeIOOperationCallback(IndexOperationTracker opTracker) {
+ super(opTracker);
+ }
+
+ @Override
+ public void afterOperation(List<ILSMComponent> oldComponents, ILSMComponent newComponent)
+ throws HyracksDataException {
+ LSMBTreeImmutableComponent btreeComponent = (LSMBTreeImmutableComponent) newComponent;
+ putLSNIntoMetadata(btreeComponent.getBTree(), oldComponents);
+ }
+
+ @Override
+ protected long getComponentLSN(List<ILSMComponent> oldComponents) throws HyracksDataException {
+ if (oldComponents == null) {
+ // Implies a flush IO operation.
+ return opTracker.getLastLSN();
+ }
+ // Get max LSN from the oldComponents. Implies a merge IO operation.
+ long maxLSN = -1;
+ for (ILSMComponent c : oldComponents) {
+ BTree btree = ((LSMBTreeImmutableComponent) c).getBTree();
+ maxLSN = Math.max(getTreeIndexLSN(btree), maxLSN);
+ }
+ return maxLSN;
+ }
+}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/ioopcallbacks/LSMBTreeIOOperationCallbackFactory.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/ioopcallbacks/LSMBTreeIOOperationCallbackFactory.java
new file mode 100644
index 0000000..a51da07
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/ioopcallbacks/LSMBTreeIOOperationCallbackFactory.java
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2009-2012 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package edu.uci.ics.asterix.transaction.management.ioopcallbacks;
+
+import edu.uci.ics.asterix.transaction.management.opcallbacks.IndexOperationTracker;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
+
+public class LSMBTreeIOOperationCallbackFactory implements ILSMIOOperationCallbackFactory {
+
+ private static final long serialVersionUID = 1L;
+
+ public static LSMBTreeIOOperationCallbackFactory INSTANCE = new LSMBTreeIOOperationCallbackFactory();
+
+ private LSMBTreeIOOperationCallbackFactory() {
+ }
+
+ @Override
+ public ILSMIOOperationCallback createIOOperationCallback(Object syncObj) {
+ return new LSMBTreeIOOperationCallback((IndexOperationTracker) syncObj);
+ }
+}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/ioopcallbacks/LSMInvertedIndexIOOperationCallback.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/ioopcallbacks/LSMInvertedIndexIOOperationCallback.java
new file mode 100644
index 0000000..56d4f80
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/ioopcallbacks/LSMInvertedIndexIOOperationCallback.java
@@ -0,0 +1,52 @@
+/*
+ * Copyright 2009-2012 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package edu.uci.ics.asterix.transaction.management.ioopcallbacks;
+
+import java.util.List;
+
+import edu.uci.ics.asterix.transaction.management.opcallbacks.IndexOperationTracker;
+import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.impls.LSMInvertedIndexImmutableComponent;
+
+public class LSMInvertedIndexIOOperationCallback extends AbstractLSMIOOperationCallback {
+
+ public LSMInvertedIndexIOOperationCallback(IndexOperationTracker opTracker) {
+ super(opTracker);
+ }
+
+ @Override
+ public void afterOperation(List<ILSMComponent> oldComponents, ILSMComponent newComponent)
+ throws HyracksDataException {
+ LSMInvertedIndexImmutableComponent invIndexComponent = (LSMInvertedIndexImmutableComponent) newComponent;
+ putLSNIntoMetadata(invIndexComponent.getDeletedKeysBTree(), oldComponents);
+ }
+
+ @Override
+ protected long getComponentLSN(List<ILSMComponent> oldComponents) throws HyracksDataException {
+ if (oldComponents == null) {
+ // Implies a flush IO operation.
+ return opTracker.getLastLSN();
+ }
+ // Get max LSN from the oldComponents. Implies a merge IO operation.
+ long maxLSN = -1;
+ for (Object o : oldComponents) {
+ LSMInvertedIndexImmutableComponent invIndexComponent = (LSMInvertedIndexImmutableComponent) o;
+ maxLSN = Math.max(getTreeIndexLSN(invIndexComponent.getDeletedKeysBTree()), maxLSN);
+ }
+ return maxLSN;
+ }
+}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/ioopcallbacks/LSMInvertedIndexIOOperationCallbackFactory.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/ioopcallbacks/LSMInvertedIndexIOOperationCallbackFactory.java
new file mode 100644
index 0000000..790c60c
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/ioopcallbacks/LSMInvertedIndexIOOperationCallbackFactory.java
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2009-2012 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package edu.uci.ics.asterix.transaction.management.ioopcallbacks;
+
+import edu.uci.ics.asterix.transaction.management.opcallbacks.IndexOperationTracker;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
+
+public class LSMInvertedIndexIOOperationCallbackFactory implements ILSMIOOperationCallbackFactory {
+
+ private static final long serialVersionUID = 1L;
+
+ public static LSMInvertedIndexIOOperationCallbackFactory INSTANCE = new LSMInvertedIndexIOOperationCallbackFactory();
+
+ private LSMInvertedIndexIOOperationCallbackFactory() {
+ }
+
+ @Override
+ public ILSMIOOperationCallback createIOOperationCallback(Object syncObj) {
+ return new LSMInvertedIndexIOOperationCallback((IndexOperationTracker) syncObj);
+ }
+}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/ioopcallbacks/LSMRTreeIOOperationCallback.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/ioopcallbacks/LSMRTreeIOOperationCallback.java
new file mode 100644
index 0000000..df1d945
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/ioopcallbacks/LSMRTreeIOOperationCallback.java
@@ -0,0 +1,53 @@
+/*
+ * Copyright 2009-2012 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package edu.uci.ics.asterix.transaction.management.ioopcallbacks;
+
+import java.util.List;
+
+import edu.uci.ics.asterix.transaction.management.opcallbacks.IndexOperationTracker;
+import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import edu.uci.ics.hyracks.storage.am.lsm.rtree.impls.LSMRTreeImmutableComponent;
+
+public class LSMRTreeIOOperationCallback extends AbstractLSMIOOperationCallback {
+
+ public LSMRTreeIOOperationCallback(IndexOperationTracker opTracker) {
+ super(opTracker);
+ }
+
+ @Override
+ public void afterOperation(List<ILSMComponent> oldComponents, ILSMComponent newComponent)
+ throws HyracksDataException {
+ LSMRTreeImmutableComponent rtreeComponent = (LSMRTreeImmutableComponent) newComponent;
+ putLSNIntoMetadata(rtreeComponent.getRTree(), oldComponents);
+ putLSNIntoMetadata(rtreeComponent.getBTree(), oldComponents);
+ }
+
+ @Override
+ protected long getComponentLSN(List<ILSMComponent> oldComponents) throws HyracksDataException {
+ if (oldComponents == null) {
+ // Implies a flush IO operation.
+ return opTracker.getLastLSN();
+ }
+ // Get max LSN from the oldComponents. Implies a merge IO operation.
+ long maxLSN = -1;
+ for (Object o : oldComponents) {
+ LSMRTreeImmutableComponent rtreeComponent = (LSMRTreeImmutableComponent) o;
+ maxLSN = Math.max(getTreeIndexLSN(rtreeComponent.getRTree()), maxLSN);
+ }
+ return maxLSN;
+ }
+}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/ioopcallbacks/LSMRTreeIOOperationCallbackFactory.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/ioopcallbacks/LSMRTreeIOOperationCallbackFactory.java
new file mode 100644
index 0000000..4b47a95
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/ioopcallbacks/LSMRTreeIOOperationCallbackFactory.java
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2009-2012 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package edu.uci.ics.asterix.transaction.management.ioopcallbacks;
+
+import edu.uci.ics.asterix.transaction.management.opcallbacks.IndexOperationTracker;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
+
+public class LSMRTreeIOOperationCallbackFactory implements ILSMIOOperationCallbackFactory {
+
+ private static final long serialVersionUID = 1L;
+
+ public static LSMRTreeIOOperationCallbackFactory INSTANCE = new LSMRTreeIOOperationCallbackFactory();
+
+ private LSMRTreeIOOperationCallbackFactory() {
+ }
+
+ @Override
+ public ILSMIOOperationCallback createIOOperationCallback(Object syncObj) {
+ return new LSMRTreeIOOperationCallback((IndexOperationTracker) syncObj);
+ }
+}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/AbstractOperationCallback.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/AbstractOperationCallback.java
new file mode 100644
index 0000000..fdbb707
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/AbstractOperationCallback.java
@@ -0,0 +1,64 @@
+/*
+ * Copyright 2009-2012 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package edu.uci.ics.asterix.transaction.management.opcallbacks;
+
+import edu.uci.ics.asterix.transaction.management.service.locking.ILockManager;
+import edu.uci.ics.asterix.transaction.management.service.transaction.DatasetId;
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionContext;
+import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
+import edu.uci.ics.hyracks.storage.am.bloomfilter.impls.MurmurHash128Bit;
+
+public abstract class AbstractOperationCallback {
+
+ private final static long SEED = 0L;
+
+ protected final DatasetId datasetId;
+ protected final int[] primaryKeyFields;
+ protected final ILockManager lockManager;
+ protected final TransactionContext txnCtx;
+ protected int transactorLocalNumActiveOperations = 0;
+ protected final long[] longHashes;
+
+ public AbstractOperationCallback(int datasetId, int[] primaryKeyFields,
+ TransactionContext txnCtx, ILockManager lockManager) {
+ this.datasetId = new DatasetId(datasetId);
+ this.primaryKeyFields = primaryKeyFields;
+ this.txnCtx = txnCtx;
+ this.lockManager = lockManager;
+ this.longHashes= new long[2];
+ }
+
+ public int computePrimaryKeyHashValue(ITupleReference tuple, int[] primaryKeyFields) {
+ MurmurHash128Bit.hash3_x64_128(tuple, primaryKeyFields, SEED, longHashes);
+ return Math.abs((int) longHashes[0]);
+ }
+
+ public TransactionContext getTransactionContext() {
+ return txnCtx;
+ }
+
+ public int getLocalNumActiveOperations() {
+ return transactorLocalNumActiveOperations;
+ }
+
+ public void incrementLocalNumActiveOperations() {
+ transactorLocalNumActiveOperations++;
+ }
+
+ public void decrementLocalNumActiveOperations() {
+ transactorLocalNumActiveOperations--;
+ }
+}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/AbstractOperationCallbackFactory.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/AbstractOperationCallbackFactory.java
new file mode 100644
index 0000000..386dce5
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/AbstractOperationCallbackFactory.java
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2009-2012 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package edu.uci.ics.asterix.transaction.management.opcallbacks;
+
+import java.io.Serializable;
+
+import edu.uci.ics.asterix.transaction.management.service.transaction.ITransactionSubsystemProvider;
+import edu.uci.ics.asterix.transaction.management.service.transaction.JobId;
+
+public abstract class AbstractOperationCallbackFactory implements Serializable {
+ private static final long serialVersionUID = 1L;
+
+ protected final JobId jobId;
+ protected final int datasetId;
+ protected final int[] primaryKeyFields;
+ protected final ITransactionSubsystemProvider txnSubsystemProvider;
+ protected final byte resourceType;
+
+ public AbstractOperationCallbackFactory(JobId jobId, int datasetId, int[] primaryKeyFields,
+ ITransactionSubsystemProvider txnSubsystemProvider, byte resourceType) {
+ this.jobId = jobId;
+ this.datasetId = datasetId;
+ this.primaryKeyFields = primaryKeyFields;
+ this.txnSubsystemProvider = txnSubsystemProvider;
+ this.resourceType = resourceType;
+ }
+}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/IndexOperationTracker.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/IndexOperationTracker.java
new file mode 100644
index 0000000..d0071e7
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/IndexOperationTracker.java
@@ -0,0 +1,133 @@
+/*
+ * Copyright 2009-2012 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package edu.uci.ics.asterix.transaction.management.opcallbacks;
+
+import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallback;
+import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
+import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndex;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexAccessor;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
+import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMOperationType;
+import edu.uci.ics.hyracks.storage.am.lsm.common.impls.NoOpIOOperationCallback;
+
+public class IndexOperationTracker implements ILSMOperationTracker {
+
+ // Number of active operations on a ILSMIndex instance.
+ private int numActiveOperations = 0;
+ private long lastLSN;
+ private long firstLSN;
+ private final ILSMIndex index;
+ private final ILSMIOOperationCallback ioOpCallback;
+ private ILSMIndexAccessor accessor;
+
+ public IndexOperationTracker(ILSMIndex index, ILSMIOOperationCallbackFactory ioOpCallbackFactory) {
+ this.index = index;
+ //TODO
+ //This code is added to avoid NullPointException when the index's comparatorFactory is null.
+ //The null comparator factory is set in the constructor of the IndexDropOperatorDescriptor.
+ if (ioOpCallbackFactory != null) {
+ ioOpCallback = ioOpCallbackFactory.createIOOperationCallback(this);
+ } else {
+ ioOpCallback = NoOpIOOperationCallback.INSTANCE;
+ }
+ resetLSNs();
+ }
+
+ @Override
+ public void beforeOperation(LSMOperationType opType, ISearchOperationCallback searchCallback,
+ IModificationOperationCallback modificationCallback) throws HyracksDataException {
+ if (opType != LSMOperationType.FORCE_MODIFICATION) {
+ numActiveOperations++;
+
+ // Increment transactor-local active operations count.
+ AbstractOperationCallback opCallback = getOperationCallback(searchCallback, modificationCallback);
+ if (opCallback != null) {
+ opCallback.incrementLocalNumActiveOperations();
+ }
+ }
+ }
+
+ @Override
+ public void afterOperation(LSMOperationType opType, ISearchOperationCallback searchCallback,
+ IModificationOperationCallback modificationCallback) throws HyracksDataException {
+ // Searches are immediately considered complete, because they should not prevent the execution of flushes.
+ if (searchCallback != null) {
+ completeOperation(opType, searchCallback, modificationCallback);
+ }
+ }
+
+ @Override
+ public void completeOperation(LSMOperationType opType, ISearchOperationCallback searchCallback,
+ IModificationOperationCallback modificationCallback) throws HyracksDataException {
+ numActiveOperations--;
+
+ // Decrement transactor-local active operations count.
+ AbstractOperationCallback opCallback = getOperationCallback(searchCallback, modificationCallback);
+ if (opCallback != null) {
+ opCallback.decrementLocalNumActiveOperations();
+ }
+ // If we need a flush, and this is the last completing operation, then schedule the flush.
+ // Once the flush has completed notify all waiting operations.
+ if (index.getFlushStatus(index) && numActiveOperations == 0 && opType != LSMOperationType.FLUSH) {
+ if (accessor == null) {
+ accessor = (ILSMIndexAccessor) index.createAccessor(NoOpOperationCallback.INSTANCE,
+ NoOpOperationCallback.INSTANCE);
+ }
+ accessor.scheduleFlush(ioOpCallback);
+ }
+ }
+
+ private AbstractOperationCallback getOperationCallback(ISearchOperationCallback searchCallback,
+ IModificationOperationCallback modificationCallback) {
+
+ if (searchCallback == NoOpOperationCallback.INSTANCE || modificationCallback == NoOpOperationCallback.INSTANCE) {
+ return null;
+ }
+ if (searchCallback != null) {
+ return (AbstractOperationCallback) searchCallback;
+ } else {
+ return (AbstractOperationCallback) modificationCallback;
+ }
+ }
+
+ public ILSMIOOperationCallback getIOOperationCallback() {
+ return ioOpCallback;
+ }
+
+ public long getLastLSN() {
+ return lastLSN;
+ }
+
+ public long getFirstLSN() {
+ return firstLSN;
+ }
+
+ public void updateLastLSN(long lastLSN) {
+ if (firstLSN == -1) {
+ firstLSN = lastLSN;
+ }
+ this.lastLSN = Math.max(this.lastLSN, lastLSN);
+ }
+
+ public void resetLSNs() {
+ lastLSN = -1;
+ firstLSN = -1;
+ }
+}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/IndexOperationTrackerFactory.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/IndexOperationTrackerFactory.java
new file mode 100644
index 0000000..032a4f9
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/IndexOperationTrackerFactory.java
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2009-2012 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package edu.uci.ics.asterix.transaction.management.opcallbacks;
+
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndex;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerFactory;
+
+public class IndexOperationTrackerFactory implements ILSMOperationTrackerFactory {
+
+ private static final long serialVersionUID = 1L;
+
+ private final ILSMIOOperationCallbackFactory ioOpCallbackFactory;
+
+ public IndexOperationTrackerFactory(ILSMIOOperationCallbackFactory ioOpCallbackFactory) {
+ this.ioOpCallbackFactory = ioOpCallbackFactory;
+ }
+
+ @Override
+ public ILSMOperationTracker createOperationTracker(ILSMIndex index) {
+ return new IndexOperationTracker(index, ioOpCallbackFactory);
+ }
+
+}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/PrimaryIndexModificationOperationCallback.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/PrimaryIndexModificationOperationCallback.java
new file mode 100644
index 0000000..824a324
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/PrimaryIndexModificationOperationCallback.java
@@ -0,0 +1,81 @@
+/*
+ * Copyright 2009-2012 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package edu.uci.ics.asterix.transaction.management.opcallbacks;
+
+import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
+import edu.uci.ics.asterix.transaction.management.service.locking.ILockManager;
+import edu.uci.ics.asterix.transaction.management.service.logging.IndexLogger;
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionContext;
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionManagementConstants.LockManagerConstants.LockMode;
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionSubsystem;
+import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
+import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallback;
+import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
+import edu.uci.ics.hyracks.storage.am.lsm.btree.tuples.LSMBTreeTupleReference;
+
+/**
+ * Assumes LSM-BTrees as primary indexes.
+ * Performs locking on primary keys, and also logs before/after images.
+ */
+public class PrimaryIndexModificationOperationCallback extends AbstractOperationCallback implements
+ IModificationOperationCallback {
+
+ protected final long resourceId;
+ protected final byte resourceType;
+ protected final IndexOperation indexOp;
+ protected final TransactionSubsystem txnSubsystem;
+
+ public PrimaryIndexModificationOperationCallback(int datasetId, int[] primaryKeyFields,
+ TransactionContext txnCtx, ILockManager lockManager,
+ TransactionSubsystem txnSubsystem, long resourceId, byte resourceType, IndexOperation indexOp) {
+ super(datasetId, primaryKeyFields, txnCtx, lockManager);
+ this.resourceId = resourceId;
+ this.resourceType = resourceType;
+ this.indexOp = indexOp;
+ this.txnSubsystem = txnSubsystem;
+ }
+
+ @Override
+ public void before(ITupleReference tuple) throws HyracksDataException {
+ int pkHash = computePrimaryKeyHashValue(tuple, primaryKeyFields);
+ try {
+ lockManager.lock(datasetId, pkHash, LockMode.X, txnCtx);
+ } catch (ACIDException e) {
+ throw new HyracksDataException(e);
+ }
+ }
+
+ @Override
+ public void found(ITupleReference before, ITupleReference after) throws HyracksDataException {
+ IndexLogger logger = txnSubsystem.getTreeLoggerRepository().getIndexLogger(resourceId, resourceType);
+ int pkHash = computePrimaryKeyHashValue(after, primaryKeyFields);
+ LSMBTreeTupleReference lsmBTreeTuple = (LSMBTreeTupleReference) before;
+ IndexOperation oldOp = IndexOperation.INSERT;
+ if (before == null) {
+ oldOp = IndexOperation.NOOP;
+ }
+ if (lsmBTreeTuple != null && lsmBTreeTuple.isAntimatter()) {
+ oldOp = IndexOperation.DELETE;
+ }
+ try {
+ logger.generateLogRecord(txnSubsystem, txnCtx, datasetId.getId(), pkHash, resourceId, indexOp, after,
+ oldOp, before);
+ } catch (ACIDException e) {
+ throw new HyracksDataException(e);
+ }
+ }
+}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/PrimaryIndexModificationOperationCallbackFactory.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/PrimaryIndexModificationOperationCallbackFactory.java
new file mode 100644
index 0000000..c75ab6f
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/PrimaryIndexModificationOperationCallbackFactory.java
@@ -0,0 +1,69 @@
+/*
+ * Copyright 2009-2012 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package edu.uci.ics.asterix.transaction.management.opcallbacks;
+
+import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
+import edu.uci.ics.asterix.transaction.management.service.transaction.ITransactionSubsystemProvider;
+import edu.uci.ics.asterix.transaction.management.service.transaction.JobId;
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionContext;
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionSubsystem;
+import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
+import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManager;
+import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallback;
+import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallbackFactory;
+import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndex;
+
+/**
+ * Assumes LSM-BTrees as primary indexes.
+ */
+public class PrimaryIndexModificationOperationCallbackFactory extends AbstractOperationCallbackFactory implements
+ IModificationOperationCallbackFactory {
+
+ private static final long serialVersionUID = 1L;
+ private final IndexOperation indexOp;
+
+ public PrimaryIndexModificationOperationCallbackFactory(JobId jobId, int datasetId, int[] primaryKeyFields,
+ ITransactionSubsystemProvider txnSubsystemProvider, IndexOperation indexOp, byte resourceType) {
+ super(jobId, datasetId, primaryKeyFields, txnSubsystemProvider, resourceType);
+ this.indexOp = indexOp;
+ }
+
+ @Override
+ public IModificationOperationCallback createModificationOperationCallback(long resourceId, Object resource,
+ IHyracksTaskContext ctx) throws HyracksDataException {
+
+ TransactionSubsystem txnSubsystem = txnSubsystemProvider.getTransactionSubsystem(ctx);
+ IIndexLifecycleManager indexLifeCycleManager = txnSubsystem.getAsterixAppRuntimeContextProvider()
+ .getIndexLifecycleManager();
+ ILSMIndex index = (ILSMIndex) indexLifeCycleManager.getIndex(resourceId);
+ if (index == null) {
+ throw new HyracksDataException("Index(id:" + resourceId + ") is not registered.");
+ }
+
+ try {
+ TransactionContext txnCtx = txnSubsystem.getTransactionManager().getTransactionContext(jobId);
+ IModificationOperationCallback modCallback = new PrimaryIndexModificationOperationCallback(datasetId,
+ primaryKeyFields, txnCtx, txnSubsystem.getLockManager(), txnSubsystem, resourceId, resourceType,
+ indexOp);
+ txnCtx.registerIndexAndCallback(index, (AbstractOperationCallback) modCallback);
+ return modCallback;
+ } catch (ACIDException e) {
+ throw new HyracksDataException(e);
+ }
+ }
+}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/PrimaryIndexSearchOperationCallback.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/PrimaryIndexSearchOperationCallback.java
new file mode 100644
index 0000000..4760307
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/PrimaryIndexSearchOperationCallback.java
@@ -0,0 +1,65 @@
+/*
+ * Copyright 2009-2012 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package edu.uci.ics.asterix.transaction.management.opcallbacks;
+
+import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
+import edu.uci.ics.asterix.transaction.management.service.locking.ILockManager;
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionContext;
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionManagementConstants.LockManagerConstants.LockMode;
+import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
+import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
+
+/**
+ * Assumes LSM-BTrees as primary indexes. Implements try/locking and unlocking on primary keys.
+ */
+public class PrimaryIndexSearchOperationCallback extends AbstractOperationCallback implements ISearchOperationCallback {
+
+ public PrimaryIndexSearchOperationCallback(int datasetId, int[] entityIdFields,
+ ILockManager lockManager, TransactionContext txnCtx) {
+ super(datasetId, entityIdFields, txnCtx, lockManager);
+ }
+
+ @Override
+ public boolean proceed(ITupleReference tuple) throws HyracksDataException {
+ int pkHash = computePrimaryKeyHashValue(tuple, primaryKeyFields);
+ try {
+ return lockManager.tryLock(datasetId, pkHash, LockMode.S, txnCtx);
+ } catch (ACIDException e) {
+ throw new HyracksDataException(e);
+ }
+ }
+
+ @Override
+ public void reconcile(ITupleReference tuple) throws HyracksDataException {
+ int pkHash = computePrimaryKeyHashValue(tuple, primaryKeyFields);
+ try {
+ lockManager.lock(datasetId, pkHash, LockMode.S, txnCtx);
+ } catch (ACIDException e) {
+ throw new HyracksDataException(e);
+ }
+ }
+
+ @Override
+ public void cancel(ITupleReference tuple) throws HyracksDataException {
+ int pkHash = computePrimaryKeyHashValue(tuple, primaryKeyFields);
+ try {
+ lockManager.unlock(datasetId, pkHash, txnCtx);
+ } catch (ACIDException e) {
+ throw new HyracksDataException(e);
+ }
+ }
+}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/PrimaryIndexSearchOperationCallbackFactory.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/PrimaryIndexSearchOperationCallbackFactory.java
new file mode 100644
index 0000000..fc62b90
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/PrimaryIndexSearchOperationCallbackFactory.java
@@ -0,0 +1,51 @@
+/*
+ * Copyright 2009-2012 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package edu.uci.ics.asterix.transaction.management.opcallbacks;
+
+import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
+import edu.uci.ics.asterix.transaction.management.service.transaction.ITransactionSubsystemProvider;
+import edu.uci.ics.asterix.transaction.management.service.transaction.JobId;
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionContext;
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionSubsystem;
+import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
+import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
+import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallbackFactory;
+
+public class PrimaryIndexSearchOperationCallbackFactory extends AbstractOperationCallbackFactory implements
+ ISearchOperationCallbackFactory {
+
+ private static final long serialVersionUID = 1L;
+
+ public PrimaryIndexSearchOperationCallbackFactory(JobId jobId, int datasetId, int[] entityIdFields,
+ ITransactionSubsystemProvider txnSubsystemProvider, byte resourceType) {
+ super(jobId, datasetId, entityIdFields, txnSubsystemProvider, resourceType);
+ }
+
+ @Override
+ public ISearchOperationCallback createSearchOperationCallback(long resourceId, IHyracksTaskContext ctx)
+ throws HyracksDataException {
+ TransactionSubsystem txnSubsystem = txnSubsystemProvider.getTransactionSubsystem(ctx);
+ try {
+ TransactionContext txnCtx = txnSubsystem.getTransactionManager().getTransactionContext(jobId);
+ return new PrimaryIndexSearchOperationCallback(datasetId, primaryKeyFields, txnSubsystem.getLockManager(),
+ txnCtx);
+ } catch (ACIDException e) {
+ throw new HyracksDataException(e);
+ }
+ }
+
+}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/SecondaryIndexModificationOperationCallback.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/SecondaryIndexModificationOperationCallback.java
new file mode 100644
index 0000000..092f99c
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/SecondaryIndexModificationOperationCallback.java
@@ -0,0 +1,69 @@
+/*
+ * Copyright 2009-2012 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package edu.uci.ics.asterix.transaction.management.opcallbacks;
+
+import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
+import edu.uci.ics.asterix.transaction.management.service.locking.ILockManager;
+import edu.uci.ics.asterix.transaction.management.service.logging.IndexLogger;
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionContext;
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionSubsystem;
+import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
+import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallback;
+import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
+
+/**
+ * Secondary-index modifications do not require any locking.
+ * We assume that the modification of the corresponding primary index has already taken an appropriate lock.
+ * This callback performs logging of the before and/or after images for secondary indexes.
+ */
+public class SecondaryIndexModificationOperationCallback extends AbstractOperationCallback implements
+ IModificationOperationCallback {
+
+ protected final long resourceId;
+ protected final byte resourceType;
+ protected final IndexOperation indexOp;
+ protected final IndexOperation oldOp;
+ protected final TransactionSubsystem txnSubsystem;
+
+ public SecondaryIndexModificationOperationCallback(int datasetId, int[] primaryKeyFields,
+ TransactionContext txnCtx, ILockManager lockManager,
+ TransactionSubsystem txnSubsystem, long resourceId, byte resourceType, IndexOperation indexOp) {
+ super(datasetId, primaryKeyFields, txnCtx, lockManager);
+ this.resourceId = resourceId;
+ this.resourceType = resourceType;
+ this.indexOp = indexOp;
+ oldOp = (indexOp == IndexOperation.DELETE) ? IndexOperation.INSERT : IndexOperation.DELETE;
+ this.txnSubsystem = txnSubsystem;
+ }
+
+ @Override
+ public void before(ITupleReference tuple) throws HyracksDataException {
+ // Do nothing.
+ }
+
+ @Override
+ public void found(ITupleReference before, ITupleReference after) throws HyracksDataException {
+ IndexLogger logger = txnSubsystem.getTreeLoggerRepository().getIndexLogger(resourceId, resourceType);
+ int pkHash = computePrimaryKeyHashValue(after, primaryKeyFields);
+ try {
+ logger.generateLogRecord(txnSubsystem, txnCtx, datasetId.getId(), pkHash, resourceId, indexOp, after,
+ oldOp, before);
+ } catch (ACIDException e) {
+ throw new HyracksDataException(e);
+ }
+ }
+}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/SecondaryIndexModificationOperationCallbackFactory.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/SecondaryIndexModificationOperationCallbackFactory.java
new file mode 100644
index 0000000..672b434
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/SecondaryIndexModificationOperationCallbackFactory.java
@@ -0,0 +1,63 @@
+/*
+ * Copyright 2009-2012 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package edu.uci.ics.asterix.transaction.management.opcallbacks;
+
+import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
+import edu.uci.ics.asterix.transaction.management.service.transaction.ITransactionSubsystemProvider;
+import edu.uci.ics.asterix.transaction.management.service.transaction.JobId;
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionContext;
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionSubsystem;
+import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
+import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManager;
+import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallback;
+import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallbackFactory;
+import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndex;
+
+public class SecondaryIndexModificationOperationCallbackFactory extends AbstractOperationCallbackFactory implements
+ IModificationOperationCallbackFactory {
+
+ private static final long serialVersionUID = 1L;
+ private final IndexOperation indexOp;
+
+ public SecondaryIndexModificationOperationCallbackFactory(JobId jobId, int datasetId, int[] primaryKeyFields,
+ ITransactionSubsystemProvider txnSubsystemProvider, IndexOperation indexOp, byte resourceType) {
+ super(jobId, datasetId, primaryKeyFields, txnSubsystemProvider, resourceType);
+ this.indexOp = indexOp;
+ }
+
+ @Override
+ public IModificationOperationCallback createModificationOperationCallback(long resourceId, Object resource,
+ IHyracksTaskContext ctx) throws HyracksDataException {
+
+ TransactionSubsystem txnSubsystem = txnSubsystemProvider.getTransactionSubsystem(ctx);
+ IIndexLifecycleManager indexLifeCycleManager = txnSubsystem.getAsterixAppRuntimeContextProvider()
+ .getIndexLifecycleManager();
+ ILSMIndex index = (ILSMIndex) indexLifeCycleManager.getIndex(resourceId);
+ if (index == null) {
+ throw new HyracksDataException("Index(id:" + resourceId + ") is not registered.");
+ }
+
+ try {
+ TransactionContext txnCtx = txnSubsystem.getTransactionManager().getTransactionContext(jobId);
+ return new SecondaryIndexModificationOperationCallback(datasetId, primaryKeyFields, txnCtx,
+ txnSubsystem.getLockManager(), txnSubsystem, resourceId, resourceType, indexOp);
+ } catch (ACIDException e) {
+ throw new HyracksDataException(e);
+ }
+ }
+}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/SecondaryIndexSearchOperationCallback.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/SecondaryIndexSearchOperationCallback.java
new file mode 100644
index 0000000..c53b651
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/SecondaryIndexSearchOperationCallback.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2009-2012 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package edu.uci.ics.asterix.transaction.management.opcallbacks;
+
+import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
+import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
+
+/**
+ * Secondary index searches perform no locking at all.
+ */
+public class SecondaryIndexSearchOperationCallback extends AbstractOperationCallback implements
+ ISearchOperationCallback {
+
+ public SecondaryIndexSearchOperationCallback() {
+ super(-1, null, null, null);
+ }
+
+ @Override
+ public boolean proceed(ITupleReference tuple) throws HyracksDataException {
+ return true;
+ }
+
+ @Override
+ public void reconcile(ITupleReference tuple) throws HyracksDataException {
+ // Do nothing.
+ }
+
+ @Override
+ public void cancel(ITupleReference tuple) throws HyracksDataException {
+ // Do nothing.
+ }
+
+}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/SecondaryIndexSearchOperationCallbackFactory.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/SecondaryIndexSearchOperationCallbackFactory.java
new file mode 100644
index 0000000..7172e06
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/SecondaryIndexSearchOperationCallbackFactory.java
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2009-2012 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package edu.uci.ics.asterix.transaction.management.opcallbacks;
+
+import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
+import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallback;
+import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallbackFactory;
+
+public class SecondaryIndexSearchOperationCallbackFactory implements ISearchOperationCallbackFactory {
+
+ private static final long serialVersionUID = 1L;
+
+ @Override
+ public ISearchOperationCallback createSearchOperationCallback(long resourceId, IHyracksTaskContext ctx)
+ throws HyracksDataException {
+ return new SecondaryIndexSearchOperationCallback();
+ }
+}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/resource/ILocalResourceMetadata.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/resource/ILocalResourceMetadata.java
new file mode 100644
index 0000000..d2aa164
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/resource/ILocalResourceMetadata.java
@@ -0,0 +1,14 @@
+package edu.uci.ics.asterix.transaction.management.resource;
+
+import java.io.Serializable;
+
+import edu.uci.ics.asterix.transaction.management.service.recovery.IAsterixAppRuntimeContextProvider;
+import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndex;
+
+public interface ILocalResourceMetadata extends Serializable {
+
+ public ILSMIndex createIndexInstance(IAsterixAppRuntimeContextProvider runtimeContextProvider, String filePath,
+ int partition) throws HyracksDataException;
+
+}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/resource/LSMBTreeLocalResourceMetadata.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/resource/LSMBTreeLocalResourceMetadata.java
new file mode 100644
index 0000000..e037e95
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/resource/LSMBTreeLocalResourceMetadata.java
@@ -0,0 +1,58 @@
+package edu.uci.ics.asterix.transaction.management.resource;
+
+import java.io.File;
+
+import edu.uci.ics.asterix.transaction.management.service.recovery.IAsterixAppRuntimeContextProvider;
+import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
+import edu.uci.ics.hyracks.api.io.FileReference;
+import edu.uci.ics.hyracks.storage.am.common.api.IInMemoryFreePageManager;
+import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexMetaDataFrameFactory;
+import edu.uci.ics.hyracks.storage.am.common.frames.LIFOMetaDataFrameFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.btree.impls.LSMBTree;
+import edu.uci.ics.hyracks.storage.am.lsm.btree.util.LSMBTreeUtils;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.IInMemoryBufferCache;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndex;
+import edu.uci.ics.hyracks.storage.am.lsm.common.freepage.InMemoryBufferCache;
+import edu.uci.ics.hyracks.storage.am.lsm.common.freepage.InMemoryFreePageManager;
+import edu.uci.ics.hyracks.storage.common.buffercache.HeapBufferAllocator;
+import edu.uci.ics.hyracks.storage.common.file.TransientFileMapManager;
+
+public class LSMBTreeLocalResourceMetadata implements ILocalResourceMetadata {
+
+ private static final long serialVersionUID = 1L;
+
+ private final ITypeTraits[] typeTraits;
+ private final IBinaryComparatorFactory[] cmpFactories;
+ private final int[] bloomFilterKeyFields;
+ private final int memPageSize;
+ private final int memNumPages;
+
+ public LSMBTreeLocalResourceMetadata(ITypeTraits[] typeTraits, IBinaryComparatorFactory[] cmpFactories,
+ int[] bloomFilterKeyFields, boolean isPrimary, int memPageSize, int memNumPages) {
+ this.typeTraits = typeTraits;
+ this.cmpFactories = cmpFactories;
+ this.bloomFilterKeyFields = bloomFilterKeyFields;
+ this.memPageSize = memPageSize;
+ this.memNumPages = memNumPages;
+ }
+
+ @Override
+ public ILSMIndex createIndexInstance(IAsterixAppRuntimeContextProvider runtimeContextProvider, String filePath,
+ int partition) {
+ FileReference file = new FileReference(new File(filePath));
+ IInMemoryBufferCache memBufferCache = new InMemoryBufferCache(new HeapBufferAllocator(), memPageSize,
+ memNumPages, new TransientFileMapManager());
+ ITreeIndexMetaDataFrameFactory metaDataFrameFactory = new LIFOMetaDataFrameFactory();
+ IInMemoryFreePageManager memFreePageManager = new InMemoryFreePageManager(memNumPages, metaDataFrameFactory);
+ LSMBTree lsmBTree = LSMBTreeUtils.createLSMTree(memBufferCache, memFreePageManager,
+ runtimeContextProvider.getIOManager(), file, runtimeContextProvider.getBufferCache(),
+ runtimeContextProvider.getFileMapManager(), typeTraits, cmpFactories, bloomFilterKeyFields,
+ runtimeContextProvider.getLSMMergePolicy(),
+ runtimeContextProvider.getLSMBTreeOperationTrackerFactory(),
+ runtimeContextProvider.getLSMIOScheduler(),
+ runtimeContextProvider.getLSMBTreeIOOperationCallbackProvider(), partition);
+ return lsmBTree;
+ }
+
+}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/resource/LSMInvertedIndexLocalResourceMetadata.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/resource/LSMInvertedIndexLocalResourceMetadata.java
new file mode 100644
index 0000000..e71d370
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/resource/LSMInvertedIndexLocalResourceMetadata.java
@@ -0,0 +1,65 @@
+package edu.uci.ics.asterix.transaction.management.resource;
+
+import edu.uci.ics.asterix.transaction.management.service.recovery.IAsterixAppRuntimeContextProvider;
+import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
+import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import edu.uci.ics.hyracks.storage.am.common.api.IInMemoryFreePageManager;
+import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexMetaDataFrameFactory;
+import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
+import edu.uci.ics.hyracks.storage.am.common.frames.LIFOMetaDataFrameFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.IInMemoryBufferCache;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndex;
+import edu.uci.ics.hyracks.storage.am.lsm.common.freepage.DualIndexInMemoryBufferCache;
+import edu.uci.ics.hyracks.storage.am.lsm.common.freepage.DualIndexInMemoryFreePageManager;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.util.InvertedIndexUtils;
+import edu.uci.ics.hyracks.storage.common.buffercache.HeapBufferAllocator;
+
+public class LSMInvertedIndexLocalResourceMetadata implements ILocalResourceMetadata {
+
+ private static final long serialVersionUID = 1L;
+
+ private final ITypeTraits[] invListTypeTraits;
+ private final IBinaryComparatorFactory[] invListCmpFactories;
+ private final ITypeTraits[] tokenTypeTraits;
+ private final IBinaryComparatorFactory[] tokenCmpFactories;
+ private final IBinaryTokenizerFactory tokenizerFactory;
+ private final int memPageSize;
+ private final int memNumPages;
+
+ public LSMInvertedIndexLocalResourceMetadata(ITypeTraits[] invListTypeTraits,
+ IBinaryComparatorFactory[] invListCmpFactories, ITypeTraits[] tokenTypeTraits,
+ IBinaryComparatorFactory[] tokenCmpFactories, IBinaryTokenizerFactory tokenizerFactory, int memPageSize,
+ int memNumPages) {
+ this.invListTypeTraits = invListTypeTraits;
+ this.invListCmpFactories = invListCmpFactories;
+ this.tokenTypeTraits = tokenTypeTraits;
+ this.tokenCmpFactories = tokenCmpFactories;
+ this.tokenizerFactory = tokenizerFactory;
+ this.memPageSize = memPageSize;
+ this.memNumPages = memNumPages;
+ }
+
+ @Override
+ public ILSMIndex createIndexInstance(IAsterixAppRuntimeContextProvider runtimeContextProvider, String filePath,
+ int partition) throws HyracksDataException {
+
+ ITreeIndexMetaDataFrameFactory metaDataFrameFactory = new LIFOMetaDataFrameFactory();
+ IInMemoryBufferCache memBufferCache = new DualIndexInMemoryBufferCache(new HeapBufferAllocator(), memPageSize,
+ memNumPages);
+ IInMemoryFreePageManager memFreePageManager = new DualIndexInMemoryFreePageManager(memNumPages,
+ metaDataFrameFactory);
+ try {
+ return InvertedIndexUtils.createLSMInvertedIndex(memBufferCache, memFreePageManager,
+ runtimeContextProvider.getFileMapManager(), invListTypeTraits, invListCmpFactories,
+ tokenTypeTraits, tokenCmpFactories, tokenizerFactory, runtimeContextProvider.getBufferCache(),
+ runtimeContextProvider.getIOManager(), filePath, runtimeContextProvider.getLSMMergePolicy(),
+ runtimeContextProvider.getLSMInvertedIndexOperationTrackerFactory(),
+ runtimeContextProvider.getLSMIOScheduler(),
+ runtimeContextProvider.getLSMInvertedIndexIOOperationCallbackProvider(), partition);
+ } catch (IndexException e) {
+ throw new HyracksDataException(e);
+ }
+ }
+}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/resource/LSMRTreeLocalResourceMetadata.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/resource/LSMRTreeLocalResourceMetadata.java
new file mode 100644
index 0000000..1705dd3
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/resource/LSMRTreeLocalResourceMetadata.java
@@ -0,0 +1,73 @@
+package edu.uci.ics.asterix.transaction.management.resource;
+
+import java.io.File;
+
+import edu.uci.ics.asterix.transaction.management.service.recovery.IAsterixAppRuntimeContextProvider;
+import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
+import edu.uci.ics.hyracks.api.dataflow.value.ILinearizeComparatorFactory;
+import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
+import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import edu.uci.ics.hyracks.api.io.FileReference;
+import edu.uci.ics.hyracks.storage.am.common.api.IInMemoryFreePageManager;
+import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
+import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexMetaDataFrameFactory;
+import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
+import edu.uci.ics.hyracks.storage.am.common.frames.LIFOMetaDataFrameFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.IInMemoryBufferCache;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndex;
+import edu.uci.ics.hyracks.storage.am.lsm.common.freepage.DualIndexInMemoryBufferCache;
+import edu.uci.ics.hyracks.storage.am.lsm.common.freepage.DualIndexInMemoryFreePageManager;
+import edu.uci.ics.hyracks.storage.am.lsm.rtree.utils.LSMRTreeUtils;
+import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType;
+import edu.uci.ics.hyracks.storage.common.buffercache.HeapBufferAllocator;
+
+public class LSMRTreeLocalResourceMetadata implements ILocalResourceMetadata {
+
+ private static final long serialVersionUID = 1L;
+
+ private final ITypeTraits[] typeTraits;
+ private final IBinaryComparatorFactory[] rtreeCmpFactories;
+ private final IBinaryComparatorFactory[] btreeCmpFactories;
+ private final IPrimitiveValueProviderFactory[] valueProviderFactories;
+ private final RTreePolicyType rtreePolicyType;
+ private final ILinearizeComparatorFactory linearizeCmpFactory;
+ private final int memPageSize;
+ private final int memNumPages;
+
+ public LSMRTreeLocalResourceMetadata(ITypeTraits[] typeTraits, IBinaryComparatorFactory[] rtreeCmpFactories,
+ IBinaryComparatorFactory[] btreeCmpFactories, IPrimitiveValueProviderFactory[] valueProviderFactories,
+ RTreePolicyType rtreePolicyType, ILinearizeComparatorFactory linearizeCmpFactory, int memPageSize,
+ int memNumPages) {
+ this.typeTraits = typeTraits;
+ this.rtreeCmpFactories = rtreeCmpFactories;
+ this.btreeCmpFactories = btreeCmpFactories;
+ this.valueProviderFactories = valueProviderFactories;
+ this.rtreePolicyType = rtreePolicyType;
+ this.linearizeCmpFactory = linearizeCmpFactory;
+ this.memPageSize = memPageSize;
+ this.memNumPages = memNumPages;
+ }
+
+ @Override
+ public ILSMIndex createIndexInstance(IAsterixAppRuntimeContextProvider runtimeContextProvider, String filePath,
+ int partition) throws HyracksDataException {
+ FileReference file = new FileReference(new File(filePath));
+ ITreeIndexMetaDataFrameFactory metaDataFrameFactory = new LIFOMetaDataFrameFactory();
+ IInMemoryBufferCache memBufferCache = new DualIndexInMemoryBufferCache(new HeapBufferAllocator(), memPageSize,
+ memNumPages);
+ IInMemoryFreePageManager memFreePageManager = new DualIndexInMemoryFreePageManager(memNumPages,
+ metaDataFrameFactory);
+
+ try {
+ return LSMRTreeUtils.createLSMTree(memBufferCache, memFreePageManager,
+ runtimeContextProvider.getIOManager(), file, runtimeContextProvider.getBufferCache(),
+ runtimeContextProvider.getFileMapManager(), typeTraits, rtreeCmpFactories, btreeCmpFactories,
+ valueProviderFactories, rtreePolicyType, runtimeContextProvider.getLSMMergePolicy(),
+ runtimeContextProvider.getLSMRTreeOperationTrackerFactory(),
+ runtimeContextProvider.getLSMIOScheduler(),
+ runtimeContextProvider.getLSMRTreeIOOperationCallbackProvider(), linearizeCmpFactory, partition);
+ } catch (TreeIndexException e) {
+ throw new HyracksDataException(e);
+ }
+ }
+}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/resource/PersistentLocalResourceFactory.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/resource/PersistentLocalResourceFactory.java
new file mode 100644
index 0000000..ed0f79f
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/resource/PersistentLocalResourceFactory.java
@@ -0,0 +1,20 @@
+package edu.uci.ics.asterix.transaction.management.resource;
+
+import edu.uci.ics.hyracks.storage.common.file.ILocalResourceFactory;
+import edu.uci.ics.hyracks.storage.common.file.LocalResource;
+
+public class PersistentLocalResourceFactory implements ILocalResourceFactory {
+
+ private final ILocalResourceMetadata localResourceMetadata;
+ private final int resourceType;
+
+ public PersistentLocalResourceFactory(ILocalResourceMetadata localResourceMetadata, int resourceType) {
+ this.localResourceMetadata = localResourceMetadata;
+ this.resourceType = resourceType;
+ }
+
+ @Override
+ public LocalResource createLocalResource(long resourceId, String resourceName, int partition) {
+ return new LocalResource(resourceId, resourceName, partition, resourceType, localResourceMetadata);
+ }
+}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/resource/PersistentLocalResourceFactoryProvider.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/resource/PersistentLocalResourceFactoryProvider.java
new file mode 100644
index 0000000..4157c32
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/resource/PersistentLocalResourceFactoryProvider.java
@@ -0,0 +1,21 @@
+package edu.uci.ics.asterix.transaction.management.resource;
+
+import edu.uci.ics.hyracks.storage.common.file.ILocalResourceFactory;
+import edu.uci.ics.hyracks.storage.common.file.ILocalResourceFactoryProvider;
+
+public class PersistentLocalResourceFactoryProvider implements ILocalResourceFactoryProvider {
+
+ private static final long serialVersionUID = 1L;
+ private final ILocalResourceMetadata localResourceMetadata;
+ private final int resourceType;
+
+ public PersistentLocalResourceFactoryProvider(ILocalResourceMetadata localResourceMetadata, int resourceType) {
+ this.localResourceMetadata = localResourceMetadata;
+ this.resourceType = resourceType;
+ }
+
+ @Override
+ public ILocalResourceFactory getLocalResourceFactory() {
+ return new PersistentLocalResourceFactory(localResourceMetadata, resourceType);
+ }
+}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/resource/TransactionalResourceManagerRepository.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/resource/TransactionalResourceManagerRepository.java
new file mode 100644
index 0000000..d38226b
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/resource/TransactionalResourceManagerRepository.java
@@ -0,0 +1,49 @@
+/*
+ * Copyright 2009-2010 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package edu.uci.ics.asterix.transaction.management.resource;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import edu.uci.ics.asterix.transaction.management.service.transaction.IResourceManager;
+
+/**
+ * Represents a repository containing Resource Managers and Resources in the
+ * transaction eco-system. Operations on a resource require acquiring
+ * appropriate locks (for isolation) and writing logs (durability). Every
+ * resource is managed by an associated resource manager that contains the logic
+ * to interpret the logs and take necessary action(s) during roll back or
+ * recovery. An example of resource is a @see ITreeIndex that is managed by a
+ * resource manager @see TreeResourceManager
+ */
+public class TransactionalResourceManagerRepository {
+
+ private Map<Byte, IResourceManager> resourceMgrRepository = new HashMap<Byte, IResourceManager>(); // repository
+
+ public void registerTransactionalResourceManager(byte id, IResourceManager resourceMgr) {
+ synchronized (resourceMgrRepository) {
+ if (resourceMgrRepository.get(id) == null) {
+ resourceMgrRepository.put(id, resourceMgr);
+ }
+ }
+ }
+
+ public IResourceManager getTransactionalResourceMgr(byte id) {
+ synchronized (resourceMgrRepository) {
+ return resourceMgrRepository.get(id);
+ }
+ }
+}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/resource/TransactionalResourceRepository.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/resource/TransactionalResourceRepository.java
deleted file mode 100644
index 25309e1..0000000
--- a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/resource/TransactionalResourceRepository.java
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
- * Copyright 2009-2010 by The Regents of the University of California
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * you may obtain a copy of the License from
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package edu.uci.ics.asterix.transaction.management.resource;
-
-import java.nio.ByteBuffer;
-import java.util.HashMap;
-import java.util.Map;
-
-import edu.uci.ics.asterix.transaction.management.service.transaction.IResourceManager;
-
-/**
- * Represents a repository containing Resource Managers and Resources in the
- * transaction eco-system. Operations on a resource require acquiring
- * appropriate locks (for isolation) and writing logs (durability). Every
- * resource is managed by an associated resource manager that contains the logic
- * to interpret the logs and take necessary action(s) during roll back or
- * recovery. An example of resource is a @see ITreeIndex that is managed by a
- * resource manager @see TreeResourceManager
- */
-public class TransactionalResourceRepository {
-
- private Map<ByteBuffer, Object> resourceRepository = new HashMap<ByteBuffer, Object>(); // repository
-
- private Map<Byte, IResourceManager> resourceMgrRepository = new HashMap<Byte, IResourceManager>(); // repository
-
- public void registerTransactionalResource(byte[] resourceBytes, Object resource) {
- // convert to ByteBuffer so that a byte[] can be used as a key in a hash map.
- ByteBuffer resourceId = ByteBuffer.wrap(resourceBytes); // need to
-
- synchronized (resourceRepository) {
- if (resourceRepository.get(resourceId) == null) {
- resourceRepository.put(resourceId, resource);
-
- // wake up threads waiting for the resource
- resourceRepository.notifyAll();
- }
- }
- }
-
- public void registerTransactionalResourceManager(byte id, IResourceManager resourceMgr) {
- synchronized (resourceMgrRepository) {
- if (resourceMgrRepository.get(id) == null) {
- resourceMgrRepository.put(id, resourceMgr);
-
- // wake up threads waiting for the resource manager
- resourceMgrRepository.notifyAll();
- }
- }
- }
-
- public Object getTransactionalResource(byte[] resourceIdBytes) {
- ByteBuffer buffer = ByteBuffer.wrap(resourceIdBytes);
- synchronized (resourceRepository) {
- while (resourceRepository.get(buffer) == null) {
- try {
- resourceRepository.wait();
- } catch (InterruptedException ie) {
- ie.printStackTrace();
- break; // the thread might be interrupted due to other
- // failures occurring elsewhere, break from the loop
- }
- }
- return resourceRepository.get(buffer);
- }
- }
-
- public IResourceManager getTransactionalResourceMgr(byte id) {
- synchronized (resourceMgrRepository) {
- return resourceMgrRepository.get(id);
- }
-
- }
-
-}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/DatasetLockInfo.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/DatasetLockInfo.java
new file mode 100644
index 0000000..d5e525a
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/DatasetLockInfo.java
@@ -0,0 +1,504 @@
+package edu.uci.ics.asterix.transaction.management.service.locking;
+
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionManagementConstants.LockManagerConstants.LockMode;
+
+public class DatasetLockInfo {
+ private EntityLockInfoManager entityLockInfoManager;
+ private EntityInfoManager entityInfoManager;
+ private LockWaiterManager lockWaiterManager;
+ private PrimitiveIntHashMap entityResourceHT;
+ private int IXCount;
+ private int ISCount;
+ private int XCount;
+ private int SCount;
+ private int lastHolder;
+ private int firstWaiter;
+ private int firstUpgrader;
+
+ public DatasetLockInfo(EntityLockInfoManager entityLockInfoManager, EntityInfoManager entityInfoManager,
+ LockWaiterManager lockWaiterManager) {
+ this.entityLockInfoManager = entityLockInfoManager;
+ this.entityInfoManager = entityInfoManager;
+ this.lockWaiterManager = lockWaiterManager;
+ entityResourceHT = new PrimitiveIntHashMap();
+ lastHolder = -1; //-1 stands for end of list
+ firstWaiter = -1;
+ firstUpgrader = -1;
+ }
+
+ public void increaseLockCount(byte lockMode) {
+ switch (lockMode) {
+ case LockMode.IX:
+ IXCount++;
+ break;
+ case LockMode.IS:
+ ISCount++;
+ break;
+ case LockMode.X:
+ XCount++;
+ break;
+ case LockMode.S:
+ SCount++;
+ break;
+ default:
+ throw new IllegalStateException("Invalid dataset lock mode");
+ }
+ }
+
+ public void decreaseLockCount(byte lockMode) {
+ switch (lockMode) {
+ case LockMode.IX:
+ IXCount--;
+ break;
+ case LockMode.IS:
+ ISCount--;
+ break;
+ case LockMode.X:
+ XCount--;
+ break;
+ case LockMode.S:
+ SCount--;
+ break;
+ default:
+ throw new IllegalStateException("Invalid dataset lock mode");
+ }
+ }
+
+ public void increaseLockCount(byte lockMode, int count) {
+ switch (lockMode) {
+ case LockMode.IX:
+ IXCount += count;
+ break;
+ case LockMode.IS:
+ ISCount += count;
+ break;
+ case LockMode.X:
+ XCount += count;
+ break;
+ case LockMode.S:
+ SCount += count;
+ break;
+ default:
+ throw new IllegalStateException("Invalid dataset lock mode");
+ }
+ }
+
+ public void decreaseLockCount(byte lockMode, int count) {
+ switch (lockMode) {
+ case LockMode.IX:
+ IXCount -= count;
+ break;
+ case LockMode.IS:
+ ISCount -= count;
+ break;
+ case LockMode.X:
+ XCount -= count;
+ break;
+ case LockMode.S:
+ SCount -= count;
+ break;
+ default:
+ throw new IllegalStateException("Invalid dataset lock mode");
+ }
+ }
+
+ public boolean isUpgradeCompatible(byte lockMode, int entityInfo) {
+ switch (lockMode) {
+ //upgrade from IS -> IX
+ //XCount is guaranteed to be 0.
+ //upgrade is allowed if SCount is 0.
+ case LockMode.IX:
+ return SCount == 0;
+
+ //upgrade from S -> X
+ //XCount and IXCount are guaranteed to be 0.
+ //upgrade is allowed if ISCount is 0.
+ case LockMode.X:
+ return ISCount == 0;
+
+ default:
+ throw new IllegalStateException("Invalid upgrade lock mode");
+ }
+ }
+
+ public boolean isCompatible(byte lockMode) {
+ switch (lockMode) {
+ case LockMode.IX:
+ return SCount == 0 && XCount == 0;
+
+ case LockMode.IS:
+ return XCount == 0;
+
+ case LockMode.X:
+ return ISCount == 0 && IXCount == 0 && SCount == 0 && XCount == 0;
+
+ case LockMode.S:
+ return IXCount == 0 && XCount == 0;
+
+ default:
+ throw new IllegalStateException("Invalid upgrade lock mode");
+ }
+ }
+
+ public int findEntityInfoFromHolderList(int jobId, int hashVal) {
+ int entityInfo;
+ int eLockInfo;
+ int waiterObjId;
+ if (hashVal == -1) {//dataset-granule lock
+ entityInfo = lastHolder;
+ while (entityInfo != -1) {
+ if (jobId == entityInfoManager.getJobId(entityInfo)) {
+ return entityInfo;
+ }
+ entityInfo = entityInfoManager.getPrevEntityActor(entityInfo);
+ }
+ return -1;
+ } else { //entity-granule lock
+ eLockInfo = entityResourceHT.get(hashVal);
+ if (eLockInfo == -1) {
+ return -1;
+ }
+ entityInfo = entityLockInfoManager.findEntityInfoFromHolderList(eLockInfo, jobId, hashVal);
+ if (entityInfo == -1) {
+ //find the entityInfo from the waiter list of entityLockInfo.
+ //There is a case where dataset-granule lock is acquired, but entity-granule lock is not acquired yet.
+ //In this case, the waiter of the entityLockInfo represents the holder of the datasetLockInfo.
+ waiterObjId = entityLockInfoManager.findWaiterFromWaiterList(eLockInfo, jobId, hashVal);
+ if (waiterObjId != -1) {
+ entityInfo = lockWaiterManager.getLockWaiter(waiterObjId).getEntityInfoSlot();
+ }
+ }
+ return entityInfo;
+ }
+ }
+
+ public int findWaiterFromWaiterList(int jobId, int hashVal) {
+ int waiterObjId;
+ LockWaiter waiterObj;
+ int entityInfo = 0;
+
+ waiterObjId = firstWaiter;
+ while (waiterObjId != -1) {
+ waiterObj = lockWaiterManager.getLockWaiter(waiterObjId);
+ entityInfo = waiterObj.getEntityInfoSlot();
+ if (jobId == entityInfoManager.getJobId(entityInfo)
+ && hashVal == entityInfoManager.getPKHashVal(entityInfo)) {
+ return waiterObjId;
+ }
+ waiterObjId = waiterObj.getNextWaiterObjId();
+ }
+
+ return -1;
+ }
+
+ public int findUpgraderFromUpgraderList(int jobId, int hashVal) {
+ int waiterObjId;
+ LockWaiter waiterObj;
+ int entityInfo = 0;
+
+ waiterObjId = firstUpgrader;
+ while (waiterObjId != -1) {
+ waiterObj = lockWaiterManager.getLockWaiter(waiterObjId);
+ entityInfo = waiterObj.getEntityInfoSlot();
+ if (jobId == entityInfoManager.getJobId(entityInfo)
+ && hashVal == entityInfoManager.getPKHashVal(entityInfo)) {
+ return waiterObjId;
+ }
+ waiterObjId = waiterObj.getNextWaiterObjId();
+ }
+
+ return -1;
+ }
+
+ public boolean isNoHolder() {
+ return ISCount == 0 && IXCount == 0 && SCount == 0 && XCount == 0;
+ }
+
+ public void addHolder(int holder) {
+ entityInfoManager.setPrevEntityActor(holder, lastHolder);
+ lastHolder = holder;
+ }
+
+ /**
+ * Remove holder from linked list of Actor.
+ * Also, remove the corresponding resource from linked list of resource
+ * in order to minimize JobInfo's resource link traversal.
+ *
+ * @param holder
+ * @param jobInfo
+ */
+ public void removeHolder(int holder, JobInfo jobInfo) {
+ int prev = lastHolder;
+ int current = -1;
+ int next;
+
+ //remove holder from linked list of Actor
+ while (prev != holder) {
+ if (LockManager.IS_DEBUG_MODE) {
+ if (prev == -1) {
+ //shouldn't occur: debugging purpose
+ try {
+ throw new Exception();
+ } catch (Exception e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ }
+ }
+ }
+
+ current = prev;
+ prev = entityInfoManager.getPrevEntityActor(current);
+ }
+
+ if (current != -1) {
+ //current->prev = prev->prev
+ entityInfoManager.setPrevEntityActor(current, entityInfoManager.getPrevEntityActor(prev));
+ } else {
+ //lastHolder = prev->prev
+ lastHolder = entityInfoManager.getPrevEntityActor(prev);
+ }
+
+ //Notice!!
+ //remove the corresponding resource from linked list of resource.
+ //it is guaranteed that there is no waiter or upgrader in the JobInfo when this function is called.
+ prev = entityInfoManager.getPrevJobResource(holder);
+ next = entityInfoManager.getNextJobResource(holder);
+
+ if (prev != -1) {
+ entityInfoManager.setNextJobResource(prev, next);
+ }
+
+ if (next != -1) {
+ entityInfoManager.setPrevJobResource(next, prev);
+ } else {
+ //This entityInfo(i.e., holder) is the last resource held by this job.
+ jobInfo.setlastHoldingResource(holder);
+ }
+
+ //jobInfo.decreaseDatasetLockCount(holder);
+ }
+
+ /**
+ * append new waiter to the end of waiters
+ *
+ * @param waiterObjId
+ */
+ public void addWaiter(int waiterObjId) {
+ int lastObjId;
+ LockWaiter lastObj = null;
+
+ if (firstWaiter != -1) {
+ //find the lastWaiter
+ lastObjId = firstWaiter;
+ while (lastObjId != -1) {
+ lastObj = lockWaiterManager.getLockWaiter(lastObjId);
+ lastObjId = lastObj.getNextWaiterObjId();
+ }
+ //last->next = new_waiter
+ lastObj.setNextWaiterObjId(waiterObjId);
+ } else {
+ firstWaiter = waiterObjId;
+ }
+ //new_waiter->next = -1
+ lastObj = lockWaiterManager.getLockWaiter(waiterObjId);
+ lastObj.setNextWaiterObjId(-1);
+
+// if (LockManager.IS_DEBUG_MODE) {
+// System.out.println(printWaiters());
+// }
+ }
+
+ public void removeWaiter(int waiterObjId) {
+ int currentObjId = firstWaiter;
+ LockWaiter currentObj;
+ LockWaiter prevObj = null;
+ int prevObjId = -1;
+ int nextObjId;
+
+ while (currentObjId != waiterObjId) {
+
+ if (LockManager.IS_DEBUG_MODE) {
+ if (currentObjId == -1) {
+ //shouldn't occur: debugging purpose
+ try {
+ throw new Exception();
+ } catch (Exception e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ }
+ }
+ }
+
+ prevObj = lockWaiterManager.getLockWaiter(currentObjId);
+ prevObjId = currentObjId;
+ currentObjId = prevObj.getNextWaiterObjId();
+ }
+
+ //get current waiter object
+ currentObj = lockWaiterManager.getLockWaiter(currentObjId);
+
+ //get next waiterObjId
+ nextObjId = currentObj.getNextWaiterObjId();
+
+ if (prevObjId != -1) {
+ //prev->next = next
+ prevObj.setNextWaiterObjId(nextObjId);
+ } else {
+ //removed first waiter. firstWaiter = current->next
+ firstWaiter = nextObjId;
+ }
+
+// if (LockManager.IS_DEBUG_MODE) {
+// System.out.println(printWaiters());
+// }
+ }
+
+ public void addUpgrader(int waiterObjId) {
+ int lastObjId;
+ LockWaiter lastObj = null;
+
+ if (firstUpgrader != -1) {
+ //find the lastWaiter
+ lastObjId = firstUpgrader;
+ while (lastObjId != -1) {
+ lastObj = lockWaiterManager.getLockWaiter(lastObjId);
+ lastObjId = lastObj.getNextWaiterObjId();
+ }
+ //last->next = new_waiter
+ lastObj.setNextWaiterObjId(waiterObjId);
+ } else {
+ firstUpgrader = waiterObjId;
+ }
+ //new_waiter->next = -1
+ lastObj = lockWaiterManager.getLockWaiter(waiterObjId);
+ lastObj.setNextWaiterObjId(-1);
+ }
+
+ public void removeUpgrader(int waiterObjId) {
+ int currentObjId = firstUpgrader;
+ LockWaiter currentObj;
+ LockWaiter prevObj = null;
+ int prevObjId = -1;
+ int nextObjId;
+
+ while (currentObjId != waiterObjId) {
+
+ if (LockManager.IS_DEBUG_MODE) {
+ if (currentObjId == -1) {
+ //shouldn't occur: debugging purpose
+ try {
+ throw new Exception();
+ } catch (Exception e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ }
+ }
+ }
+
+ prevObj = lockWaiterManager.getLockWaiter(currentObjId);
+ prevObjId = currentObjId;
+ currentObjId = prevObj.getNextWaiterObjId();
+ }
+
+ //get current waiter object
+ currentObj = lockWaiterManager.getLockWaiter(currentObjId);
+
+ //get next waiterObjId
+ nextObjId = currentObj.getNextWaiterObjId();
+
+ if (prevObjId != -1) {
+ //prev->next = next
+ prevObj.setNextWaiterObjId(nextObjId);
+ } else {
+ //removed first waiter. firstWaiter = current->next
+ firstUpgrader = nextObjId;
+ }
+ }
+
+ //debugging method
+ public String printWaiters() {
+ StringBuilder s = new StringBuilder();
+ int waiterObjId;
+ LockWaiter waiterObj;
+ int entityInfo;
+
+ s.append("WID\tWCT\tEID\tJID\tDID\tPK\n");
+
+ waiterObjId = firstWaiter;
+ while (waiterObjId != -1) {
+ waiterObj = lockWaiterManager.getLockWaiter(waiterObjId);
+ entityInfo = waiterObj.getEntityInfoSlot();
+ s.append(waiterObjId).append("\t").append(waiterObj.getWaiterCount()).append("\t").append(entityInfo)
+ .append("\t").append(entityInfoManager.getJobId(entityInfo)).append("\t")
+ .append(entityInfoManager.getDatasetId(entityInfo)).append("\t")
+ .append(entityInfoManager.getPKHashVal(entityInfo)).append("\n");
+ waiterObjId = waiterObj.getNextWaiterObjId();
+ }
+
+ return s.toString();
+ }
+
+ /////////////////////////////////////////////////////////
+ // set/get method for private variable
+ /////////////////////////////////////////////////////////
+ public void setIXCount(int count) {
+ IXCount = count;
+ }
+
+ public int getIXCount() {
+ return IXCount;
+ }
+
+ public void setISCount(int count) {
+ ISCount = count;
+ }
+
+ public int getISCount() {
+ return ISCount;
+ }
+
+ public void setXCount(int count) {
+ XCount = count;
+ }
+
+ public int getXCount() {
+ return XCount;
+ }
+
+ public void setSCount(int count) {
+ SCount = count;
+ }
+
+ public int getSCount() {
+ return SCount;
+ }
+
+ public void setLastHolder(int holder) {
+ lastHolder = holder;
+ }
+
+ public int getLastHolder() {
+ return lastHolder;
+ }
+
+ public void setFirstWaiter(int waiter) {
+ firstWaiter = waiter;
+ }
+
+ public int getFirstWaiter() {
+ return firstWaiter;
+ }
+
+ public void setFirstUpgrader(int upgrader) {
+ firstUpgrader = upgrader;
+ }
+
+ public int getFirstUpgrader() {
+ return firstUpgrader;
+ }
+
+ public PrimitiveIntHashMap getEntityResourceHT() {
+ return entityResourceHT;
+ }
+
+}
\ No newline at end of file
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/DeadlockDetector.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/DeadlockDetector.java
index 695abde..900725b 100644
--- a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/DeadlockDetector.java
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/DeadlockDetector.java
@@ -1,67 +1,237 @@
package edu.uci.ics.asterix.transaction.management.service.locking;
-import java.util.ArrayList;
-import java.util.Iterator;
+import java.util.HashMap;
+
+import edu.uci.ics.asterix.transaction.management.service.transaction.DatasetId;
+import edu.uci.ics.asterix.transaction.management.service.transaction.JobId;
/**
- * @author pouria Performing a DFS search, upon adding each waiter to a waiting
+ * @author pouria, kisskys Performing a BFS search, upon adding each waiter to a waiting
* list to avoid deadlocks this class implements such a loop-detector in
* the wait-for-graph
*/
public class DeadlockDetector {
- LockManager lockMgr;
- ArrayList<Long> grantedList;
- ArrayList<Long> nextTxrIDs;
- ArrayList<Long> visited;
- ArrayList<Long> nextGrantedTxIDs;
+ public static final boolean IS_DEBUG_MODE = true;//false
+ private HashMap<JobId, JobInfo> jobHT;
+ private HashMap<DatasetId, DatasetLockInfo> datasetResourceHT;
+ private EntityLockInfoManager entityLockInfoManager;
+ private EntityInfoManager entityInfoManager;
+ private LockWaiterManager lockWaiterManager;
- public DeadlockDetector(LockManager lm) {
- this.lockMgr = lm;
- this.grantedList = new ArrayList<Long>();
- this.nextTxrIDs = new ArrayList<Long>();
- this.visited = new ArrayList<Long>();
- this.nextGrantedTxIDs = new ArrayList<Long>();
+ private PrimitiveIntHashMap holderList;
+ private PrimitiveIntHashMap nextHolderList;
+ private PrimitiveIntHashMap resourceList;
+ private PrimitiveIntHashMap visitedHolderList;
+ private JobId tempJobIdObj; //temporary object to avoid object creation
+ private DatasetId tempDatasetIdObj; //temporary object to avoid object creation
+
+ public DeadlockDetector(HashMap<JobId, JobInfo> jobHT, HashMap<DatasetId, DatasetLockInfo> datasetResourceHT,
+ EntityLockInfoManager entityLockInfoManager, EntityInfoManager entityInfoManager,
+ LockWaiterManager lockWaiterManager) {
+ this.jobHT = jobHT;
+ this.datasetResourceHT = datasetResourceHT;
+ this.entityLockInfoManager = entityLockInfoManager;
+ this.entityInfoManager = entityInfoManager;
+ this.lockWaiterManager = lockWaiterManager;
+ holderList = new PrimitiveIntHashMap(1 << 6, 1 << 3, 180000);
+ nextHolderList = new PrimitiveIntHashMap(1 << 6, 1 << 3, 180000);
+ resourceList = new PrimitiveIntHashMap(1, 1 << 4, 180000);
+ visitedHolderList = new PrimitiveIntHashMap(1 << 6, 1 << 3, 180000);
+ tempJobIdObj = new JobId(0);
+ tempDatasetIdObj = new DatasetId(0);
}
- public synchronized boolean isSafeToAdd(long reqTxId, byte[] resourceId) {
- grantedList.clear();
- lockMgr.getLockInfo(resourceId).getGrantedListTxIDs(grantedList);
- visited.clear();
- while (grantedList.size() > 0) { // Doing a DFS for loop detection
- nextTxrIDs.clear();
- for (long grantee : grantedList) {
- TxrInfo nextTInfoList = lockMgr.getTxrInfo(grantee);
- if (nextTInfoList == null) {
- continue;
- }
- byte[] nextWaitOnRid = nextTInfoList.getWaitOnRid();
- if (nextWaitOnRid == null) {
- continue;
- }
- nextGrantedTxIDs.clear();
- lockMgr.getLockInfo(nextWaitOnRid).getGrantedListTxIDs(nextGrantedTxIDs);
- if (nextGrantedTxIDs.contains(reqTxId)) {
- return false;
- }
- removeVisitedTxIDs();
- nextTxrIDs.addAll(nextGrantedTxIDs);
- visited.add(grantee);
- }
- grantedList.clear();
- grantedList.addAll(nextTxrIDs);
+ public boolean isSafeToAdd(DatasetLockInfo dLockInfo, int eLockInfo, int entityInfo, boolean isDatasetLockInfo,
+ boolean isUpgrade) {
+ int holder;
+ int visitedHolder;
+ int callerId = entityInfoManager.getJobId(entityInfo);
+ int datasetId = entityInfoManager.getDatasetId(entityInfo);
+ int hashValue = entityInfoManager.getPKHashVal(entityInfo);
+ int resource;
+ PrimitiveIntHashMap tempHolderList;
+
+ holderList.clear(true);
+ visitedHolderList.clear(true);
+
+ //holderlist contains jobId
+ //resourceList contains entityInfo's slot numbers instead of resourceId in order to avoid object creation
+ //since resourceId consists of datasetId and PKHashValue
+
+ //get holder list(jobId list)
+ if (isDatasetLockInfo) {
+ getHolderList(datasetId, -1, holderList);
+ } else {
+ getHolderList(datasetId, hashValue, holderList);
}
+
+ //check whether this caller is upgrader or not
+ //if it is upgrader, then handle it as special case in the following manner
+ //if there is another upgrader or waiter of which lock mode is not compatible with the caller's lock mode,
+ //then this caller's wait causes deadlock.
+ if (holderList.get(callerId) != -1) {
+ if (isUpgrade && dLockInfo.getFirstUpgrader() != -1) {
+ return false;
+ }
+ //there is no case such that while a job is holding any mode of lock on a dataset and waits for the same dataset as an waiter.
+ //But the job may wait for the same dataset as an upgrader.
+ }
+
+ //TODO
+ //check whether when there are multiple resources, the waiter and upgrader should be distinguished or not.
+ //The current logic doesn't distinguish these two types of waiter.
+
+ //while holderList is not empty
+ holderList.beginIterate();
+ holder = holderList.getNextKey();
+ while (holder != -1) {
+
+ nextHolderList.clear(true);
+
+ while (holder != -1) {
+ resourceList.clear(true);
+ getWaitingResourceList(holder, resourceList);
+ resourceList.beginIterate();
+ resource = resourceList.getNextKey();
+
+ while (resource != -1) {
+ //get dataset holder
+ getHolderList(entityInfoManager.getDatasetId(resource), -1, nextHolderList);
+ //get entity holder
+ getHolderList(entityInfoManager.getDatasetId(resource), entityInfoManager.getPKHashVal(resource),
+ nextHolderList);
+ if (nextHolderList.get(callerId) != -1) {
+ return false;
+ }
+ resource = resourceList.getNextKey();
+ }
+
+ visitedHolderList.put(holder, -1);
+ holder = holderList.getNextKey();
+ }
+
+ //remove visitedHolder for nextHolderList;
+ visitedHolderList.beginIterate();
+ visitedHolder = visitedHolderList.getNextKey();
+ while (visitedHolder != -1) {
+ nextHolderList.remove(visitedHolder);
+ visitedHolder = visitedHolderList.getNextKey();
+ }
+
+ //swap holder list
+ //set holderList to nextHolderList and nextHolderList to holderList
+ tempHolderList = holderList;
+ holderList = nextHolderList;
+ nextHolderList = tempHolderList;
+ holderList.beginIterate();
+ holder = holderList.getNextKey();
+ }
+
return true;
}
- private void removeVisitedTxIDs() {
- Iterator<Long> txIdIt = nextGrantedTxIDs.iterator();
- while (txIdIt.hasNext()) {
- if (visited.contains(txIdIt.next())) {
- txIdIt.remove();
+ /**
+ * Get holder list of dataset if hashValue == -1. Get holder list of entity otherwise.
+ * Where, a holder is a jobId, not entityInfo's slotNum
+ *
+ * @param datasetId
+ * @param hashValue
+ * @param holderList
+ */
+ private void getHolderList(int datasetId, int hashValue, PrimitiveIntHashMap holderList) {
+ PrimitiveIntHashMap entityHT;
+ DatasetLockInfo dLockInfo;
+ int entityLockInfo;
+ int entityInfo;
+ int waiterObjId;
+ LockWaiter waiterObj;
+
+ //get datasetLockInfo
+ tempDatasetIdObj.setId(datasetId);
+ dLockInfo = datasetResourceHT.get(tempDatasetIdObj);
+ if (dLockInfo == null) {
+ return;
+ }
+
+ if (hashValue == -1) {
+ //get S/X-lock holders of dataset
+ entityInfo = dLockInfo.getLastHolder();
+ while (entityInfo != -1) {
+ holderList.put(entityInfoManager.getJobId(entityInfo), 0);
+ entityInfo = entityInfoManager.getPrevEntityActor(entityInfo);
+ }
+
+ //get IS/IX-lock holders of dataset
+ entityHT = dLockInfo.getEntityResourceHT();
+ entityHT.beginIterate();
+ entityLockInfo = entityHT.getNextValue();
+ while (entityLockInfo != -1) {
+
+ //1. add holder of eLockInfo to holerList
+ entityInfo = entityLockInfoManager.getLastHolder(entityLockInfo);
+ while (entityInfo != -1) {
+ holderList.put(entityInfoManager.getJobId(entityInfo), 0);
+ entityInfo = entityInfoManager.getPrevEntityActor(entityInfo);
+ }
+
+ //2. add waiter of eLockInfo to holderList since waiter of entityLock is a holder of datasetLock
+ //(Upgraders need not to be added since upgraders are also holders)
+ waiterObjId = entityLockInfoManager.getFirstWaiter(entityLockInfo);
+ while (waiterObjId != -1) {
+ waiterObj = lockWaiterManager.getLockWaiter(waiterObjId);
+ entityInfo = waiterObj.getEntityInfoSlot();
+ holderList.put(entityInfoManager.getJobId(entityInfo), 0);
+ waiterObjId = waiterObj.getNextWaiterObjId();
+ }
+
+ entityLockInfo = entityHT.getNextValue();
+ }
+ } else {
+ //get S/X-lock holders of entity
+ entityHT = dLockInfo.getEntityResourceHT();
+ entityLockInfo = entityHT.get(hashValue);
+ if (entityLockInfo != -1) {
+ entityInfo = entityLockInfoManager.getLastHolder(entityLockInfo);
+ while (entityInfo != -1) {
+ holderList.put(entityInfoManager.getJobId(entityInfo), 0);
+ entityInfo = entityInfoManager.getPrevEntityActor(entityInfo);
+ }
}
}
+ return;
}
+ /**
+ * Get waiting resource list of jobId, where a resource is represented with entityInfo's slot number
+ *
+ * @param jobId
+ * @param resourceList
+ */
+ private void getWaitingResourceList(int jobId, PrimitiveIntHashMap resourceList) {
+ JobInfo jobInfo;
+ int waiterId;
+ LockWaiter waiterObj;
+ int entityInfo;
+
+ //get JobInfo
+ tempJobIdObj.setId(jobId);
+ jobInfo = jobHT.get(tempJobIdObj);
+ if (IS_DEBUG_MODE) {
+ if (jobInfo == null) {
+ System.out.println(Thread.currentThread().getName() + "jobId:" + jobId);
+ }
+ }
+
+ //get WaiterObj
+ waiterId = jobInfo.getFirstWaitingResource();
+ while (waiterId != -1) {
+ waiterObj = lockWaiterManager.getLockWaiter(waiterId);
+ entityInfo = waiterObj.getEntityInfoSlot();
+ resourceList.put(entityInfo, -1);
+ waiterId = waiterObj.getNextWaitingResourceObjId();
+ }
+ return;
+ }
}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/EntityInfoManager.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/EntityInfoManager.java
new file mode 100644
index 0000000..b8820c4
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/EntityInfoManager.java
@@ -0,0 +1,704 @@
+/*
+ * Copyright 2009-2012 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package edu.uci.ics.asterix.transaction.management.service.locking;
+
+import java.nio.ByteBuffer;
+import java.util.ArrayList;
+
+/**
+ * EntityInfoManager provides EntityInfo arrays backed by ByteBuffer.
+ * The array grows when the slots are overflowed.
+ * Also, the array shrinks according to the following shrink policy
+ * : Shrink when the resource under-utilization lasts for a certain threshold time.
+ *
+ * @author kisskys
+ */
+public class EntityInfoManager {
+
+ public static final int SHRINK_TIMER_THRESHOLD = 120000; //2min
+
+ private ArrayList<ChildEntityInfoArrayManager> pArray;
+ private int allocChild; //used to allocate the next free EntityInfo slot.
+ private long shrinkTimer;
+ private boolean isShrinkTimerOn;
+ private int occupiedSlots;
+
+ // ////////////////////////////////////////////////
+ // // begin of unit test
+ // ////////////////////////////////////////////////
+ //
+ // public static final int SHRINK_TIMER_THRESHOLD = 0; //for unit test
+ //
+ // /**
+ // * @param args
+ // */
+ // public static void main(String[] args) {
+ // final int DataSize = 5000;
+ //
+ // int i, j;
+ // int slots = ChildEntityInfoArrayManager.NUM_OF_SLOTS;
+ // int data[] = new int[DataSize];
+ // EntityInfoManager eiMgr = new EntityInfoManager();
+ //
+ // //allocate: 50
+ // System.out.println("allocate: 50");
+ // for (i = 0; i < 5; i++) {
+ // for (j = i * slots; j < i * slots + slots; j++) {
+ // data[j] = eiMgr.allocate();
+ // }
+ //
+ // System.out.println(eiMgr.prettyPrint());
+ // }
+ //
+ // //deallocate from the last child to the first child
+ // System.out.println("deallocate from the last child to the first child");
+ // for (i = 4; i >= 0; i--) {
+ // for (j = i * slots + slots - 1; j >= i * slots; j--) {
+ // eiMgr.deallocate(data[j]);
+ // }
+ // System.out.println(eiMgr.prettyPrint());
+ // }
+ //
+ // //allocate: 50
+ // System.out.println("allocate: 50");
+ // for (i = 0; i < 5; i++) {
+ // for (j = i * slots; j < i * slots + slots; j++) {
+ // data[j] = eiMgr.allocate();
+ // }
+ //
+ // System.out.println(eiMgr.prettyPrint());
+ // }
+ //
+ // //deallocate from the first child to last child
+ // System.out.println("deallocate from the first child to last child");
+ // for (i = 0; i < 5; i++) {
+ // for (j = i * slots; j < i * slots + slots; j++) {
+ // eiMgr.deallocate(data[j]);
+ // }
+ //
+ // System.out.println(eiMgr.prettyPrint());
+ // }
+ //
+ // //allocate: 50
+ // System.out.println("allocate: 50");
+ // for (i = 0; i < 5; i++) {
+ // for (j = i * slots; j < i * slots + slots; j++) {
+ // data[j] = eiMgr.allocate();
+ // }
+ //
+ // System.out.println(eiMgr.prettyPrint());
+ // }
+ //
+ // //deallocate from the first child to 4th child
+ // System.out.println("deallocate from the first child to 4th child");
+ // for (i = 0; i < 4; i++) {
+ // for (j = i * slots; j < i * slots + slots; j++) {
+ // eiMgr.deallocate(data[j]);
+ // }
+ //
+ // System.out.println(eiMgr.prettyPrint());
+ // }
+ //
+ // //allocate: 40
+ // System.out.println("allocate: 40");
+ // for (i = 0; i < 4; i++) {
+ // for (j = i * slots; j < i * slots + slots; j++) {
+ // data[j] = eiMgr.allocate();
+ // }
+ //
+ // System.out.println(eiMgr.prettyPrint());
+ // }
+ // }
+ //
+ // ////////////////////////////////////////////////
+ // // end of unit test
+ // ////////////////////////////////////////////////
+
+ public EntityInfoManager() {
+ pArray = new ArrayList<ChildEntityInfoArrayManager>();
+ pArray.add(new ChildEntityInfoArrayManager());
+ allocChild = 0;
+ occupiedSlots = 0;
+ isShrinkTimerOn = false;
+ }
+
+ public int allocate(int jobId, int datasetId, int entityHashVal, byte lockMode) {
+ int slotNum = allocate();
+ initEntityInfo(slotNum, jobId, datasetId, entityHashVal, lockMode);
+ return slotNum;
+ }
+
+ public int allocate() {
+ if (pArray.get(allocChild).isFull()) {
+ int size = pArray.size();
+ boolean bAlloc = false;
+ ChildEntityInfoArrayManager child;
+
+ //find a deinitialized child and initialze it
+ for (int i = 0; i < size; i++) {
+ child = pArray.get(i);
+ if (child.isDeinitialized()) {
+ child.initialize();
+ allocChild = i;
+ bAlloc = true;
+ break;
+ }
+ }
+
+ //allocate new child when there is no deinitialized child
+ if (!bAlloc) {
+ pArray.add(new ChildEntityInfoArrayManager());
+ allocChild = pArray.size() - 1;
+ }
+ }
+ occupiedSlots++;
+ return pArray.get(allocChild).allocate() + allocChild * ChildEntityInfoArrayManager.NUM_OF_SLOTS;
+ }
+
+ void deallocate(int slotNum) {
+ pArray.get(slotNum / ChildEntityInfoArrayManager.NUM_OF_SLOTS).deallocate(
+ slotNum % ChildEntityInfoArrayManager.NUM_OF_SLOTS);
+ occupiedSlots--;
+
+ if (needShrink()) {
+ shrink();
+ }
+ }
+
+ /**
+ * Shrink policy:
+ * Shrink when the resource under-utilization lasts for a certain amount of time.
+ * TODO Need to figure out which of the policies is better
+ * case1.
+ * pArray status : O x x x x x O (O is initialized, x is deinitialized)
+ * In the above status, 'CURRENT' needShrink() returns 'TRUE'
+ * even if there is nothing to shrink or deallocate.
+ * It doesn't distinguish the deinitialized children from initialized children
+ * by calculating totalNumOfSlots = pArray.size() * ChildEntityInfoArrayManager.NUM_OF_SLOTS.
+ * In other words, it doesn't subtract the deinitialized children's slots.
+ * case2.
+ * pArray status : O O x x x x x
+ * However, in the above case, if we subtract the deinitialized children's slots,
+ * needShrink() will return false even if we shrink the pArray at this case.
+ *
+ * @return
+ */
+ private boolean needShrink() {
+ int size = pArray.size();
+ int usedSlots = occupiedSlots;
+ if (usedSlots == 0) {
+ usedSlots = 1;
+ }
+
+ if (size > 1 && size * ChildEntityInfoArrayManager.NUM_OF_SLOTS / usedSlots >= 3) {
+ if (isShrinkTimerOn) {
+ if (System.currentTimeMillis() - shrinkTimer >= SHRINK_TIMER_THRESHOLD) {
+ isShrinkTimerOn = false;
+ return true;
+ }
+ } else {
+ //turn on timer
+ isShrinkTimerOn = true;
+ shrinkTimer = System.currentTimeMillis();
+ }
+ } else {
+ //turn off timer
+ isShrinkTimerOn = false;
+ }
+
+ return false;
+ }
+
+ /**
+ * Shrink() may
+ * deinitialize(:deallocates ByteBuffer of child) Children(s) or
+ * shrink pArray according to the deinitialized children's contiguity status.
+ * It doesn't deinitialze or shrink more than half of children at a time.
+ */
+ private void shrink() {
+ int i;
+ boolean bContiguous = true;
+ int decreaseCount = 0;
+ int size = pArray.size();
+ int maxDecreaseCount = size / 2;
+ ChildEntityInfoArrayManager child;
+ for (i = size - 1; i >= 0; i--) {
+ child = pArray.get(i);
+ if (child.isEmpty() || child.isDeinitialized()) {
+ if (bContiguous) {
+ pArray.remove(i);
+ if (++decreaseCount == maxDecreaseCount) {
+ break;
+ }
+ } else {
+ bContiguous = false;
+ if (child.isEmpty()) {
+ child.deinitialize();
+ if (++decreaseCount == maxDecreaseCount) {
+ break;
+ }
+ }
+ }
+ } else {
+ bContiguous = false;
+ }
+ }
+
+ //reset allocChild when the child is removed or deinitialized.
+ size = pArray.size();
+ if (allocChild >= size || pArray.get(allocChild).isDeinitialized()) {
+ //set allocChild to any initialized one.
+ //It is guaranteed that there is at least one initialized child.
+ for (i = 0; i < size; i++) {
+ if (!pArray.get(i).isDeinitialized()) {
+ allocChild = i;
+ break;
+ }
+ }
+ }
+ }
+
+ public String prettyPrint() {
+ StringBuilder s = new StringBuilder("\n########### EntityInfoManager Status #############\n");
+ int size = pArray.size();
+ ChildEntityInfoArrayManager child;
+
+ for (int i = 0; i < size; i++) {
+ child = pArray.get(i);
+ if (child.isDeinitialized()) {
+ continue;
+ }
+ s.append("child[" + i + "]: occupiedSlots:" + child.getNumOfOccupiedSlots());
+ s.append(" freeSlotNum:" + child.getFreeSlotNum() + "\n");
+ s.append("\tjid\t").append("did\t").append("PK\t").append("DLM\t").append("DLC\t").append("ELM\t")
+ .append("ELC\t").append("NEA\t").append("PJR\t").append("NJR\n");
+ for (int j = 0; j < ChildEntityInfoArrayManager.NUM_OF_SLOTS; j++) {
+ s.append(j).append(": ");
+ s.append("\t" + child.getJobId(j));
+ s.append("\t" + child.getDatasetId(j));
+ s.append("\t" + child.getPKHashVal(j));
+ s.append("\t" + child.getDatasetLockMode(j));
+ s.append("\t" + child.getDatasetLockCount(j));
+ s.append("\t" + child.getEntityLockMode(j));
+ s.append("\t" + child.getEntityLockCount(j));
+ s.append("\t" + child.getNextEntityActor(j));
+ s.append("\t" + child.getPrevJobResource(j));
+ s.append("\t" + child.getNextJobResource(j));
+ //s.append("\t" + child.getNextDatasetActor(j));
+ s.append("\n");
+ }
+ s.append("\n");
+ }
+ return s.toString();
+ }
+
+ public void initEntityInfo(int slotNum, int jobId, int datasetId, int PKHashVal, byte lockMode) {
+ pArray.get(slotNum / ChildEntityInfoArrayManager.NUM_OF_SLOTS).initEntityInfo(
+ slotNum % ChildEntityInfoArrayManager.NUM_OF_SLOTS, jobId, datasetId, PKHashVal, lockMode);
+ }
+
+ public boolean compareEntityInfo(int slotNum, int jobId, int datasetId, int PKHashVal) {
+ return getPKHashVal(slotNum) == PKHashVal && getDatasetId(slotNum) == datasetId && getJobId(slotNum) == jobId;
+ }
+
+ public void increaseDatasetLockCount(int slotNum) {
+ setDatasetLockCount(slotNum, (byte) (getDatasetLockCount(slotNum) + 1));
+ }
+
+ public void decreaseDatasetLockCount(int slotNum) {
+ setDatasetLockCount(slotNum, (byte) (getDatasetLockCount(slotNum) - 1));
+ }
+
+ public void increaseEntityLockCount(int slotNum) {
+ setEntityLockCount(slotNum, (byte) (getEntityLockCount(slotNum) + 1));
+ }
+
+ public void decreaseEntityLockCount(int slotNum) {
+ setEntityLockCount(slotNum, (byte) (getEntityLockCount(slotNum) - 1));
+ }
+
+ public void increaseDatasetLockCount(int slotNum, int count) {
+ setDatasetLockCount(slotNum, (byte) (getDatasetLockCount(slotNum) + count));
+ }
+
+ public void decreaseDatasetLockCount(int slotNum, int count) {
+ setDatasetLockCount(slotNum, (byte) (getDatasetLockCount(slotNum) - count));
+ }
+
+ public void increaseEntityLockCount(int slotNum, int count) {
+ setEntityLockCount(slotNum, (byte) (getEntityLockCount(slotNum) + count));
+ }
+
+ public void decreaseEntityLockCount(int slotNum, int count) {
+ setEntityLockCount(slotNum, (byte) (getEntityLockCount(slotNum) - count));
+ }
+
+ //////////////////////////////////////////////////////////////////
+ // set/get method for each field of EntityInfo
+ //////////////////////////////////////////////////////////////////
+
+ public void setJobId(int slotNum, int id) {
+ pArray.get(slotNum / ChildEntityInfoArrayManager.NUM_OF_SLOTS).setJobId(
+ slotNum % ChildEntityInfoArrayManager.NUM_OF_SLOTS, id);
+ }
+
+ public int getJobId(int slotNum) {
+ return pArray.get(slotNum / ChildEntityInfoArrayManager.NUM_OF_SLOTS).getJobId(
+ slotNum % ChildEntityInfoArrayManager.NUM_OF_SLOTS);
+ }
+
+ public void setDatasetId(int slotNum, int id) {
+ pArray.get(slotNum / ChildEntityInfoArrayManager.NUM_OF_SLOTS).setDatasetId(
+ slotNum % ChildEntityInfoArrayManager.NUM_OF_SLOTS, id);
+ }
+
+ public int getDatasetId(int slotNum) {
+ return pArray.get(slotNum / ChildEntityInfoArrayManager.NUM_OF_SLOTS).getDatasetId(
+ slotNum % ChildEntityInfoArrayManager.NUM_OF_SLOTS);
+ }
+
+ public void setPKHashVal(int slotNum, int hashVal) {
+ pArray.get(slotNum / ChildEntityInfoArrayManager.NUM_OF_SLOTS).setPKHashVal(
+ slotNum % ChildEntityInfoArrayManager.NUM_OF_SLOTS, hashVal);
+ }
+
+ public int getPKHashVal(int slotNum) {
+ return pArray.get(slotNum / ChildEntityInfoArrayManager.NUM_OF_SLOTS).getPKHashVal(
+ slotNum % ChildEntityInfoArrayManager.NUM_OF_SLOTS);
+ }
+
+ public void setDatasetLockMode(int slotNum, byte mode) {
+ pArray.get(slotNum / ChildEntityInfoArrayManager.NUM_OF_SLOTS).setDatasetLockMode(
+ slotNum % ChildEntityInfoArrayManager.NUM_OF_SLOTS, mode);
+ }
+
+ public byte getDatasetLockMode(int slotNum) {
+ return pArray.get(slotNum / ChildEntityInfoArrayManager.NUM_OF_SLOTS).getDatasetLockMode(
+ slotNum % ChildEntityInfoArrayManager.NUM_OF_SLOTS);
+ }
+
+ public void setDatasetLockCount(int slotNum, byte count) {
+ pArray.get(slotNum / ChildEntityInfoArrayManager.NUM_OF_SLOTS).setDatasetLockCount(
+ slotNum % ChildEntityInfoArrayManager.NUM_OF_SLOTS, count);
+ }
+
+ public byte getDatasetLockCount(int slotNum) {
+ return pArray.get(slotNum / ChildEntityInfoArrayManager.NUM_OF_SLOTS).getDatasetLockCount(
+ slotNum % ChildEntityInfoArrayManager.NUM_OF_SLOTS);
+ }
+
+ public void setEntityLockMode(int slotNum, byte mode) {
+ pArray.get(slotNum / ChildEntityInfoArrayManager.NUM_OF_SLOTS).setEntityLockMode(
+ slotNum % ChildEntityInfoArrayManager.NUM_OF_SLOTS, mode);
+ }
+
+ public byte getEntityLockMode(int slotNum) {
+ return pArray.get(slotNum / ChildEntityInfoArrayManager.NUM_OF_SLOTS).getEntityLockMode(
+ slotNum % ChildEntityInfoArrayManager.NUM_OF_SLOTS);
+ }
+
+ public void setEntityLockCount(int slotNum, byte count) {
+ pArray.get(slotNum / ChildEntityInfoArrayManager.NUM_OF_SLOTS).setEntityLockCount(
+ slotNum % ChildEntityInfoArrayManager.NUM_OF_SLOTS, count);
+ }
+
+ public byte getEntityLockCount(int slotNum) {
+ return pArray.get(slotNum / ChildEntityInfoArrayManager.NUM_OF_SLOTS).getEntityLockCount(
+ slotNum % ChildEntityInfoArrayManager.NUM_OF_SLOTS);
+ }
+
+ //Used for Waiter/Upgrader
+ public void setNextEntityActor(int slotNum, int nextActorSlotNum) {
+ pArray.get(slotNum / ChildEntityInfoArrayManager.NUM_OF_SLOTS).setNextEntityActor(
+ slotNum % ChildEntityInfoArrayManager.NUM_OF_SLOTS, nextActorSlotNum);
+ }
+
+ //Used for Waiter/Upgrader
+ public int getNextEntityActor(int slotNum) {
+ return pArray.get(slotNum / ChildEntityInfoArrayManager.NUM_OF_SLOTS).getNextEntityActor(
+ slotNum % ChildEntityInfoArrayManager.NUM_OF_SLOTS);
+ }
+
+ //Used for Holder
+ public void setPrevEntityActor(int slotNum, int nextActorSlotNum) {
+ pArray.get(slotNum / ChildEntityInfoArrayManager.NUM_OF_SLOTS).setPrevEntityActor(
+ slotNum % ChildEntityInfoArrayManager.NUM_OF_SLOTS, nextActorSlotNum);
+ }
+
+ //Used for Holder
+ public int getPrevEntityActor(int slotNum) {
+ return pArray.get(slotNum / ChildEntityInfoArrayManager.NUM_OF_SLOTS).getPrevEntityActor(
+ slotNum % ChildEntityInfoArrayManager.NUM_OF_SLOTS);
+ }
+
+ public void setPrevJobResource(int slotNum, int prevResourceSlotNum) {
+ pArray.get(slotNum / ChildEntityInfoArrayManager.NUM_OF_SLOTS).setPrevJobResource(
+ slotNum % ChildEntityInfoArrayManager.NUM_OF_SLOTS, prevResourceSlotNum);
+ }
+
+ public int getPrevJobResource(int slotNum) {
+ return pArray.get(slotNum / ChildEntityInfoArrayManager.NUM_OF_SLOTS).getPrevJobResource(
+ slotNum % ChildEntityInfoArrayManager.NUM_OF_SLOTS);
+ }
+
+ public void setNextJobResource(int slotNum, int nextResourceSlotNum) {
+ pArray.get(slotNum / ChildEntityInfoArrayManager.NUM_OF_SLOTS).setNextJobResource(
+ slotNum % ChildEntityInfoArrayManager.NUM_OF_SLOTS, nextResourceSlotNum);
+ }
+
+ public int getNextJobResource(int slotNum) {
+ return pArray.get(slotNum / ChildEntityInfoArrayManager.NUM_OF_SLOTS).getNextJobResource(
+ slotNum % ChildEntityInfoArrayManager.NUM_OF_SLOTS);
+ }
+
+ // public void setNextDatasetActor(int slotNum, int nextActorSlotNum) {
+ // pArray.get(slotNum / ChildEntityInfoArrayManager.NUM_OF_SLOTS).setNextDatasetActor(
+ // slotNum % ChildEntityInfoArrayManager.NUM_OF_SLOTS, nextActorSlotNum);
+ // }
+ //
+ // public int getNextDatasetActor(int slotNum) {
+ // return pArray.get(slotNum / ChildEntityInfoArrayManager.NUM_OF_SLOTS).getNextDatasetActor(
+ // slotNum % ChildEntityInfoArrayManager.NUM_OF_SLOTS);
+ // }
+}
+
+/******************************************
+ * EntityInfo (28 bytes)
+ * ****************************************
+ * int jobId
+ * int datasetId
+ * int PKHashValue
+ * byte datasetLockMode
+ * byte datasetLockCount
+ * byte enitityLockMode
+ * byte entityLockCount
+ * int nextEntityActor : actor can be either holder/waiter/upgrader
+ * int prevJobResource : resource can be either dataset or entity and a job is holding/waiting/upgrading lock(s) on it.
+ * int nextJobResource : resource can be either dataset or entity and a job is holding/waiting/upgrading lock(s) on it.
+ * (int nextDatasetActor : actor can be either holder/waiter/upgrader) --> not used.
+ *******************************************/
+
+class ChildEntityInfoArrayManager {
+ public static final int ENTITY_INFO_SIZE = 28; //28bytes
+ public static final int NUM_OF_SLOTS = 1024; //number of entities in a buffer
+ // public static final int NUM_OF_SLOTS = 10; //for unit test
+ public static final int BUFFER_SIZE = ENTITY_INFO_SIZE * NUM_OF_SLOTS;
+
+ //byte offset of each field of EntityInfo
+ public static final int JOB_ID_OFFSET = 0;
+ public static final int DATASET_ID_OFFSET = 4;
+ public static final int PKHASH_VAL_OFFSET = 8;
+ public static final int DATASET_LOCK_MODE_OFFSET = 12;
+ public static final int DATASET_LOCK_COUNT_OFFSET = 13;
+ public static final int ENTITY_LOCK_MODE_OFFSET = 14;
+ public static final int ENTITY_LOCK_COUNT_OFFSET = 15;
+ public static final int ENTITY_ACTOR_OFFSET = 16;
+ public static final int PREV_JOB_RESOURCE_OFFSET = 20;
+ public static final int NEXT_JOB_RESOURCE_OFFSET = 24;
+ //public static final int DATASET_ACTOR_OFFSET = 28;
+
+ //byte offset of nextFreeSlotNum which shares the same space of JobId
+ //If a slot is in use, the space is used for JobId. Otherwise, it is used for nextFreeSlotNum.
+ public static final int NEXT_FREE_SLOT_OFFSET = 0;
+
+ private ByteBuffer buffer;
+ private int freeSlotNum;
+ private int occupiedSlots; //-1 represents 'deinitialized' state.
+
+ public ChildEntityInfoArrayManager() {
+ initialize();
+ }
+
+ public void initialize() {
+ this.buffer = ByteBuffer.allocate(BUFFER_SIZE);
+ this.freeSlotNum = 0;
+ this.occupiedSlots = 0;
+
+ for (int i = 0; i < NUM_OF_SLOTS - 1; i++) {
+ setNextFreeSlot(i, i + 1);
+ }
+ setNextFreeSlot(NUM_OF_SLOTS - 1, -1); //-1 represents EOL(end of link)
+ }
+
+ public int allocate() {
+ int currentSlot = freeSlotNum;
+ freeSlotNum = getNextFreeSlot(currentSlot);
+ occupiedSlots++;
+ if (LockManager.IS_DEBUG_MODE) {
+ System.out.println(Thread.currentThread().getName()+" entity allocate: "+currentSlot);
+ }
+ return currentSlot;
+ }
+
+ public void deallocate(int slotNum) {
+ setNextFreeSlot(slotNum, freeSlotNum);
+ freeSlotNum = slotNum;
+ occupiedSlots--;
+ if (LockManager.IS_DEBUG_MODE) {
+ System.out.println(Thread.currentThread().getName()+" entity deallocate: "+slotNum);
+ }
+ }
+
+ public void deinitialize() {
+ buffer = null;
+ occupiedSlots = -1;
+ }
+
+ public boolean isDeinitialized() {
+ return occupiedSlots == -1;
+ }
+
+ public boolean isFull() {
+ return occupiedSlots == NUM_OF_SLOTS;
+ }
+
+ public boolean isEmpty() {
+ return occupiedSlots == 0;
+ }
+
+ public int getNumOfOccupiedSlots() {
+ return occupiedSlots;
+ }
+
+ public int getFreeSlotNum() {
+ return freeSlotNum;
+ }
+
+ //////////////////////////////////////////////////////////////////
+ // set/get method for each field of EntityInfo plus freeSlot
+ //////////////////////////////////////////////////////////////////
+ public void initEntityInfo(int slotNum, int jobId, int datasetId, int PKHashVal, byte lockMode) {
+ buffer.putInt(slotNum * ENTITY_INFO_SIZE + JOB_ID_OFFSET, jobId);
+ buffer.putInt(slotNum * ENTITY_INFO_SIZE + DATASET_ID_OFFSET, datasetId);
+ buffer.putInt(slotNum * ENTITY_INFO_SIZE + PKHASH_VAL_OFFSET, PKHashVal);
+ buffer.put(slotNum * ENTITY_INFO_SIZE + DATASET_LOCK_MODE_OFFSET, lockMode);
+ buffer.put(slotNum * ENTITY_INFO_SIZE + DATASET_LOCK_COUNT_OFFSET, (byte) 0);
+ buffer.put(slotNum * ENTITY_INFO_SIZE + ENTITY_LOCK_MODE_OFFSET, lockMode);
+ buffer.put(slotNum * ENTITY_INFO_SIZE + ENTITY_LOCK_COUNT_OFFSET, (byte) 0);
+ buffer.putInt(slotNum * ENTITY_INFO_SIZE + ENTITY_ACTOR_OFFSET, -1);
+ buffer.putInt(slotNum * ENTITY_INFO_SIZE + PREV_JOB_RESOURCE_OFFSET, -1);
+ buffer.putInt(slotNum * ENTITY_INFO_SIZE + NEXT_JOB_RESOURCE_OFFSET, -1);
+ //buffer.putInt(slotNum * ENTITY_INFO_SIZE + DATASET_ACTOR_OFFSET, -1);
+ }
+
+ public void setNextFreeSlot(int slotNum, int nextFreeSlot) {
+ buffer.putInt(slotNum * ENTITY_INFO_SIZE + NEXT_FREE_SLOT_OFFSET, nextFreeSlot);
+ }
+
+ public int getNextFreeSlot(int slotNum) {
+ return buffer.getInt(slotNum * ENTITY_INFO_SIZE + NEXT_FREE_SLOT_OFFSET);
+ }
+
+ public void setJobId(int slotNum, int id) {
+ buffer.putInt(slotNum * ENTITY_INFO_SIZE + JOB_ID_OFFSET, id);
+ }
+
+ public int getJobId(int slotNum) {
+ return buffer.getInt(slotNum * ENTITY_INFO_SIZE + JOB_ID_OFFSET);
+ }
+
+ public void setDatasetId(int slotNum, int id) {
+ buffer.putInt(slotNum * ENTITY_INFO_SIZE + DATASET_ID_OFFSET, id);
+ }
+
+ public int getDatasetId(int slotNum) {
+ return buffer.getInt(slotNum * ENTITY_INFO_SIZE + DATASET_ID_OFFSET);
+ }
+
+ public void setPKHashVal(int slotNum, int hashVal) {
+ buffer.putInt(slotNum * ENTITY_INFO_SIZE + PKHASH_VAL_OFFSET, hashVal);
+ }
+
+ public int getPKHashVal(int slotNum) {
+ return buffer.getInt(slotNum * ENTITY_INFO_SIZE + PKHASH_VAL_OFFSET);
+ }
+
+ public void setDatasetLockMode(int slotNum, byte mode) {
+ buffer.put(slotNum * ENTITY_INFO_SIZE + DATASET_LOCK_MODE_OFFSET, mode);
+ }
+
+ public byte getDatasetLockMode(int slotNum) {
+ return buffer.get(slotNum * ENTITY_INFO_SIZE + DATASET_LOCK_MODE_OFFSET);
+ }
+
+ public void setDatasetLockCount(int slotNum, byte count) {
+ buffer.put(slotNum * ENTITY_INFO_SIZE + DATASET_LOCK_COUNT_OFFSET, count);
+ }
+
+ public byte getDatasetLockCount(int slotNum) {
+ return buffer.get(slotNum * ENTITY_INFO_SIZE + DATASET_LOCK_COUNT_OFFSET);
+ }
+
+ public void setEntityLockMode(int slotNum, byte mode) {
+ buffer.put(slotNum * ENTITY_INFO_SIZE + ENTITY_LOCK_MODE_OFFSET, mode);
+ }
+
+ public byte getEntityLockMode(int slotNum) {
+ return buffer.get(slotNum * ENTITY_INFO_SIZE + ENTITY_LOCK_MODE_OFFSET);
+ }
+
+ public void setEntityLockCount(int slotNum, byte count) {
+ buffer.put(slotNum * ENTITY_INFO_SIZE + ENTITY_LOCK_COUNT_OFFSET, count);
+ }
+
+ public byte getEntityLockCount(int slotNum) {
+ return buffer.get(slotNum * ENTITY_INFO_SIZE + ENTITY_LOCK_COUNT_OFFSET);
+ }
+
+ //Used for Waiter/Upgrader
+ public void setNextEntityActor(int slotNum, int nextActorSlotNum) {
+ buffer.putInt(slotNum * ENTITY_INFO_SIZE + ENTITY_ACTOR_OFFSET, nextActorSlotNum);
+ }
+
+ //Used for Waiter/Upgrader
+ public int getNextEntityActor(int slotNum) {
+ return buffer.getInt(slotNum * ENTITY_INFO_SIZE + ENTITY_ACTOR_OFFSET);
+ }
+
+ //Used for Holder
+ public void setPrevEntityActor(int slotNum, int nextActorSlotNum) {
+ buffer.putInt(slotNum * ENTITY_INFO_SIZE + ENTITY_ACTOR_OFFSET, nextActorSlotNum);
+ }
+
+ //Used for Holder
+ public int getPrevEntityActor(int slotNum) {
+ return buffer.getInt(slotNum * ENTITY_INFO_SIZE + ENTITY_ACTOR_OFFSET);
+ }
+
+ public void setPrevJobResource(int slotNum, int prevResourceSlotNum) {
+ buffer.putInt(slotNum * ENTITY_INFO_SIZE + PREV_JOB_RESOURCE_OFFSET, prevResourceSlotNum);
+ }
+
+ public int getPrevJobResource(int slotNum) {
+ return buffer.getInt(slotNum * ENTITY_INFO_SIZE + PREV_JOB_RESOURCE_OFFSET);
+ }
+
+ public void setNextJobResource(int slotNum, int prevResourceSlotNum) {
+ buffer.putInt(slotNum * ENTITY_INFO_SIZE + NEXT_JOB_RESOURCE_OFFSET, prevResourceSlotNum);
+ }
+
+ public int getNextJobResource(int slotNum) {
+ return buffer.getInt(slotNum * ENTITY_INFO_SIZE + NEXT_JOB_RESOURCE_OFFSET);
+ }
+
+ // public void setNextDatasetActor(int slotNum, int nextActorSlotNum) {
+ // buffer.putInt(slotNum * ENTITY_INFO_SIZE + DATASET_ACTOR_OFFSET, nextActorSlotNum);
+ // }
+ //
+ // public int getNextDatasetActor(int slotNum) {
+ // return buffer.getInt(slotNum * ENTITY_INFO_SIZE + DATASET_ACTOR_OFFSET);
+ // }
+}
\ No newline at end of file
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/EntityLockInfoManager.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/EntityLockInfoManager.java
new file mode 100644
index 0000000..59c20f2
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/EntityLockInfoManager.java
@@ -0,0 +1,801 @@
+/*
+ * Copyright 2009-2012 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package edu.uci.ics.asterix.transaction.management.service.locking;
+
+import java.nio.ByteBuffer;
+import java.util.ArrayList;
+
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionManagementConstants.LockManagerConstants.LockMode;
+
+/**
+ * EntityLockInfoManager provides EntityLockInfo arrays backed by ByteBuffer.
+ * The array grows when the slots are overflowed.
+ * Also, the array shrinks according to the following shrink policy
+ * : Shrink when the resource under-utilization lasts for a certain threshold time.
+ *
+ * @author kisskys
+ */
+public class EntityLockInfoManager {
+
+ public static final int SHRINK_TIMER_THRESHOLD = 120000; //2min
+
+ private ArrayList<ChildEntityLockInfoArrayManager> pArray;
+ private int allocChild; //used to allocate the next free EntityInfo slot.
+ private long shrinkTimer;
+ private boolean isShrinkTimerOn;
+ private int occupiedSlots;
+ private EntityInfoManager entityInfoManager;
+ LockWaiterManager lockWaiterManager;
+
+ // ////////////////////////////////////////////////
+ // // begin of unit test
+ // ////////////////////////////////////////////////
+ //
+ // public static final int SHRINK_TIMER_THRESHOLD = 0; //for unit test
+ //
+ // /**
+ // * @param args
+ // */
+ // public static void main(String[] args) {
+ // final int DataSize = 5000;
+ //
+ // int i, j;
+ // int slots = ChildEntityLockInfoArrayManager.NUM_OF_SLOTS;
+ // int data[] = new int[DataSize];
+ // EntityLockInfoManager eliMgr = new EntityLockInfoManager();
+ //
+ // //allocate: 50
+ // System.out.println("allocate: 50");
+ // for (i = 0; i < 5; i++) {
+ // for (j = i * slots; j < i * slots + slots; j++) {
+ // data[j] = eliMgr.allocate();
+ // }
+ //
+ // System.out.println(eliMgr.prettyPrint());
+ // }
+ //
+ // //deallocate from the last child to the first child
+ // System.out.println("deallocate from the last child to the first child");
+ // for (i = 4; i >= 0; i--) {
+ // for (j = i * slots + slots - 1; j >= i * slots; j--) {
+ // eliMgr.deallocate(data[j]);
+ // }
+ // System.out.println(eliMgr.prettyPrint());
+ // }
+ //
+ // //allocate: 50
+ // System.out.println("allocate: 50");
+ // for (i = 0; i < 5; i++) {
+ // for (j = i * slots; j < i * slots + slots; j++) {
+ // data[j] = eliMgr.allocate();
+ // }
+ //
+ // System.out.println(eliMgr.prettyPrint());
+ // }
+ //
+ // //deallocate from the first child to last child
+ // System.out.println("deallocate from the first child to last child");
+ // for (i = 0; i < 5; i++) {
+ // for (j = i * slots; j < i * slots + slots; j++) {
+ // eliMgr.deallocate(data[j]);
+ // }
+ //
+ // System.out.println(eliMgr.prettyPrint());
+ // }
+ //
+ // //allocate: 50
+ // System.out.println("allocate: 50");
+ // for (i = 0; i < 5; i++) {
+ // for (j = i * slots; j < i * slots + slots; j++) {
+ // data[j] = eliMgr.allocate();
+ // }
+ //
+ // System.out.println(eliMgr.prettyPrint());
+ // }
+ //
+ // //deallocate from the first child to 4th child
+ // System.out.println("deallocate from the first child to 4th child");
+ // for (i = 0; i < 4; i++) {
+ // for (j = i * slots; j < i * slots + slots; j++) {
+ // eliMgr.deallocate(data[j]);
+ // }
+ //
+ // System.out.println(eliMgr.prettyPrint());
+ // }
+ //
+ // //allocate: 40
+ // System.out.println("allocate: 40");
+ // for (i = 0; i < 4; i++) {
+ // for (j = i * slots; j < i * slots + slots; j++) {
+ // data[j] = eliMgr.allocate();
+ // }
+ //
+ // System.out.println(eliMgr.prettyPrint());
+ // }
+ // }
+ //
+ // ////////////////////////////////////////////////
+ // // end of unit test
+ // ////////////////////////////////////////////////
+
+ public EntityLockInfoManager(EntityInfoManager entityInfoManager, LockWaiterManager lockWaiterManager) {
+ pArray = new ArrayList<ChildEntityLockInfoArrayManager>();
+ pArray.add(new ChildEntityLockInfoArrayManager());
+ allocChild = 0;
+ occupiedSlots = 0;
+ isShrinkTimerOn = false;
+ this.entityInfoManager = entityInfoManager;
+ this.lockWaiterManager = lockWaiterManager;
+ }
+
+ public int allocate() {
+ if (pArray.get(allocChild).isFull()) {
+ int size = pArray.size();
+ boolean bAlloc = false;
+ ChildEntityLockInfoArrayManager child;
+
+ //find a deinitialized child and initialze it
+ for (int i = 0; i < size; i++) {
+ child = pArray.get(i);
+ if (child.isDeinitialized()) {
+ child.initialize();
+ allocChild = i;
+ bAlloc = true;
+ break;
+ }
+ }
+
+ //allocate new child when there is no deinitialized child
+ if (!bAlloc) {
+ pArray.add(new ChildEntityLockInfoArrayManager());
+ allocChild = pArray.size() - 1;
+ }
+ }
+ occupiedSlots++;
+ return pArray.get(allocChild).allocate() + allocChild * ChildEntityLockInfoArrayManager.NUM_OF_SLOTS;
+ }
+
+ void deallocate(int slotNum) {
+ pArray.get(slotNum / ChildEntityLockInfoArrayManager.NUM_OF_SLOTS).deallocate(
+ slotNum % ChildEntityLockInfoArrayManager.NUM_OF_SLOTS);
+ occupiedSlots--;
+
+ if (needShrink()) {
+ shrink();
+ }
+ }
+
+ /**
+ * Shrink policy:
+ * Shrink when the resource under-utilization lasts for a certain amount of time.
+ * TODO Need to figure out which of the policies is better
+ * case1.
+ * pArray status : O x x x x x O (O is initialized, x is deinitialized)
+ * In the above status, 'CURRENT' needShrink() returns 'TRUE'
+ * even if there is nothing to shrink or deallocate.
+ * It doesn't distinguish the deinitialized children from initialized children
+ * by calculating totalNumOfSlots = pArray.size() * ChildEntityLockInfoArrayManager.NUM_OF_SLOTS.
+ * In other words, it doesn't subtract the deinitialized children's slots.
+ * case2.
+ * pArray status : O O x x x x x
+ * However, in the above case, if we subtract the deinitialized children's slots,
+ * needShrink() will return false even if we shrink the pArray at this case.
+ *
+ * @return
+ */
+ private boolean needShrink() {
+ int size = pArray.size();
+ int usedSlots = occupiedSlots;
+ if (usedSlots == 0) {
+ usedSlots = 1;
+ }
+
+ if (size > 1 && size * ChildEntityLockInfoArrayManager.NUM_OF_SLOTS / usedSlots >= 3) {
+ if (isShrinkTimerOn) {
+ if (System.currentTimeMillis() - shrinkTimer >= SHRINK_TIMER_THRESHOLD) {
+ isShrinkTimerOn = false;
+ return true;
+ }
+ } else {
+ //turn on timer
+ isShrinkTimerOn = true;
+ shrinkTimer = System.currentTimeMillis();
+ }
+ } else {
+ //turn off timer
+ isShrinkTimerOn = false;
+ }
+
+ return false;
+ }
+
+ /**
+ * Shrink() may
+ * deinitialize(:deallocates ByteBuffer of child) Children(s) or
+ * shrink pArray according to the deinitialized children's contiguity status.
+ * It doesn't deinitialze or shrink more than half of children at a time.
+ */
+ private void shrink() {
+ int i;
+ boolean bContiguous = true;
+ int decreaseCount = 0;
+ int size = pArray.size();
+ int maxDecreaseCount = size / 2;
+ ChildEntityLockInfoArrayManager child;
+ for (i = size - 1; i >= 0; i--) {
+ child = pArray.get(i);
+ if (child.isEmpty() || child.isDeinitialized()) {
+ if (bContiguous) {
+ pArray.remove(i);
+ if (++decreaseCount == maxDecreaseCount) {
+ break;
+ }
+ } else {
+ bContiguous = false;
+ if (child.isEmpty()) {
+ child.deinitialize();
+ if (++decreaseCount == maxDecreaseCount) {
+ break;
+ }
+ }
+ }
+ } else {
+ bContiguous = false;
+ }
+ }
+
+ //reset allocChild when the child is removed or deinitialized.
+ size = pArray.size();
+ if (allocChild >= size || pArray.get(allocChild).isDeinitialized()) {
+ //set allocChild to any initialized one.
+ //It is guaranteed that there is at least one initialized child.
+ for (i = 0; i < size; i++) {
+ if (!pArray.get(i).isDeinitialized()) {
+ allocChild = i;
+ break;
+ }
+ }
+ }
+ }
+
+ public String prettyPrint() {
+ StringBuilder s = new StringBuilder("\n########### EntityLockInfoManager Status #############\n");
+ int size = pArray.size();
+ ChildEntityLockInfoArrayManager child;
+
+ for (int i = 0; i < size; i++) {
+ child = pArray.get(i);
+ if (child.isDeinitialized()) {
+ continue;
+ }
+ s.append("child[" + i + "]: occupiedSlots:" + child.getNumOfOccupiedSlots());
+ s.append(" freeSlotNum:" + child.getFreeSlotNum() + "\n");
+ s.append("\tX\t").append("S\t").append("LH\t").append("FW\t").append("UP\n");
+ for (int j = 0; j < ChildEntityLockInfoArrayManager.NUM_OF_SLOTS; j++) {
+ s.append(j).append(": ");
+ s.append("\t" + child.getXCount(j));
+ s.append("\t" + child.getSCount(j));
+ s.append("\t" + child.getLastHolder(j));
+ s.append("\t" + child.getFirstWaiter(j));
+ s.append("\t" + child.getUpgrader(j));
+ s.append("\n");
+ }
+ s.append("\n");
+ }
+ return s.toString();
+ }
+
+ //debugging method
+ public String printWaiters(int slotNum) {
+ StringBuilder s = new StringBuilder();
+ int waiterObjId;
+ LockWaiter waiterObj;
+ int entityInfo;
+
+ s.append("WID\tWCT\tEID\tJID\tDID\tPK\n");
+
+ waiterObjId = getFirstWaiter(slotNum);
+ while (waiterObjId != -1) {
+ waiterObj = lockWaiterManager.getLockWaiter(waiterObjId);
+ entityInfo = waiterObj.getEntityInfoSlot();
+ s.append(waiterObjId).append("\t").append(waiterObj.getWaiterCount()).append("\t").append(entityInfo)
+ .append("\t").append(entityInfoManager.getJobId(entityInfo)).append("\t")
+ .append(entityInfoManager.getDatasetId(entityInfo)).append("\t")
+ .append(entityInfoManager.getPKHashVal(entityInfo)).append("\n");
+ waiterObjId = waiterObj.getNextWaiterObjId();
+ }
+
+ return s.toString();
+ }
+
+ public void addHolder(int slotNum, int holder) {
+ entityInfoManager.setPrevEntityActor(holder, getLastHolder(slotNum));
+ setLastHolder(slotNum, holder);
+ }
+
+ /**
+ * Remove holder from linked list of Actor.
+ * Also, remove the corresponding resource from linked list of resource
+ * in order to minimize JobInfo's resource link traversal.
+ *
+ * @param slotNum
+ * @param holder
+ * @param jobInfo
+ */
+ public void removeHolder(int slotNum, int holder, JobInfo jobInfo) {
+ int prev = getLastHolder(slotNum);
+ int current = -1;
+ int next;
+
+ //remove holder from linked list of Actor
+ while (prev != holder) {
+ if (LockManager.IS_DEBUG_MODE) {
+ if (prev == -1) {
+ //shouldn't occur: debugging purpose
+ try {
+ throw new Exception();
+ } catch (Exception e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ }
+ }
+ }
+
+ current = prev;
+ prev = entityInfoManager.getPrevEntityActor(current);
+ }
+
+ if (current != -1) {
+ //current->prev = prev->prev
+ entityInfoManager.setPrevEntityActor(current, entityInfoManager.getPrevEntityActor(prev));
+ } else {
+ //lastHolder = prev->prev
+ setLastHolder(slotNum, entityInfoManager.getPrevEntityActor(prev));
+ }
+
+ //Notice!!
+ //remove the corresponding resource from linked list of resource.
+ prev = entityInfoManager.getPrevJobResource(holder);
+ next = entityInfoManager.getNextJobResource(holder);
+
+ if (prev != -1) {
+ entityInfoManager.setNextJobResource(prev, next);
+ }
+
+ if (next != -1) {
+ entityInfoManager.setPrevJobResource(next, prev);
+ } else {
+ //This entityInfo(i.e., holder) is the last resource held by this job.
+ jobInfo.setlastHoldingResource(prev);
+ }
+
+ //jobInfo.decreaseDatasetLockCount(holder);
+ }
+
+ public void addWaiter(int slotNum, int waiterObjId) {
+ int lastObjId;
+ LockWaiter lastObj = null;
+ int firstWaiter = getFirstWaiter(slotNum);
+
+ if (firstWaiter != -1) {
+ //find the lastWaiter
+ lastObjId = firstWaiter;
+ while (lastObjId != -1) {
+ lastObj = lockWaiterManager.getLockWaiter(lastObjId);
+ lastObjId = lastObj.getNextWaiterObjId();
+ }
+ //last->next = new_waiter
+ lastObj.setNextWaiterObjId(waiterObjId);
+ } else {
+ setFirstWaiter(slotNum, waiterObjId);
+ }
+ //new_waiter->next = -1
+ lastObj = lockWaiterManager.getLockWaiter(waiterObjId);
+ lastObj.setNextWaiterObjId(-1);
+ }
+
+ public void removeWaiter(int slotNum, int waiterObjId) {
+ int currentObjId = getFirstWaiter(slotNum);
+ LockWaiter currentObj;
+ LockWaiter prevObj = null;
+ int prevObjId = -1;
+ int nextObjId;
+
+ while (currentObjId != waiterObjId) {
+
+ if (LockManager.IS_DEBUG_MODE) {
+ if (currentObjId == -1) {
+ //shouldn't occur: debugging purpose
+ try {
+ throw new Exception();
+ } catch (Exception e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ }
+ }
+ }
+
+ prevObj = lockWaiterManager.getLockWaiter(currentObjId);
+ prevObjId = currentObjId;
+ currentObjId = prevObj.getNextWaiterObjId();
+ }
+
+ //get current waiter object
+ currentObj = lockWaiterManager.getLockWaiter(currentObjId);
+
+ //get next waiterObjId
+ nextObjId = currentObj.getNextWaiterObjId();
+
+ if (prevObjId != -1) {
+ //prev->next = next
+ prevObj.setNextWaiterObjId(nextObjId);
+ } else {
+ //removed first waiter. firstWaiter = current->next
+ setFirstWaiter(slotNum, nextObjId);
+ }
+ }
+
+ public void addUpgrader(int slotNum, int waiterObjId) {
+ //[Notice]
+ //Even if there are multiple threads in a job try to upgrade lock mode on same resource which is entity-granule,
+ //while the first upgrader is waiting, all the incoming upgrade requests from other threads should be rejected by aborting them.
+ //Therefore, there is no actual "ADD" upgrader method. Instead, it only has "SET" upgrader method.
+ if (LockManager.IS_DEBUG_MODE) {
+ if (getUpgrader(slotNum) != -1) {
+ throw new IllegalStateException("Invalid lock upgrade request. This call should be handled as deadlock");
+ }
+ }
+
+ setUpgrader(slotNum, waiterObjId);
+ }
+
+ public void removeUpgrader(int slotNum, int waiterObjId) {
+ setUpgrader(slotNum, -1);
+ }
+
+ public boolean isUpgradeCompatible(int slotNum, byte lockMode, int entityInfo) {
+ switch (lockMode) {
+ case LockMode.X:
+ return getSCount(slotNum) - entityInfoManager.getEntityLockCount(entityInfo) == 0;
+
+ default:
+ throw new IllegalStateException("Invalid upgrade lock mode");
+ }
+ }
+
+ public boolean isCompatible(int slotNum, byte lockMode) {
+ switch (lockMode) {
+ case LockMode.X:
+ return getSCount(slotNum) == 0 && getXCount(slotNum) == 0;
+
+ case LockMode.S:
+ return getXCount(slotNum) == 0;
+
+ default:
+ throw new IllegalStateException("Invalid upgrade lock mode");
+ }
+ }
+
+ public int findEntityInfoFromHolderList(int eLockInfo, int jobId, int hashVal) {
+ int entityInfo = getLastHolder(eLockInfo);
+
+ while (entityInfo != -1) {
+ if (jobId == entityInfoManager.getJobId(entityInfo)
+ && hashVal == entityInfoManager.getPKHashVal(entityInfo)) {
+ return entityInfo;
+ }
+ // if (LockManager.IS_DEBUG_MODE) {
+ // System.out.println("eLockInfo(" + eLockInfo + "),entityInfo(" + entityInfo + "), Request[" + jobId
+ // + "," + hashVal + "]:Result[" + entityInfoManager.getJobId(entityInfo) + ","
+ // + entityInfoManager.getPKHashVal(entityInfo) + "]");
+ // }
+ entityInfo = entityInfoManager.getPrevEntityActor(entityInfo);
+ }
+
+ return -1;
+ }
+
+ public int findWaiterFromWaiterList(int eLockInfo, int jobId, int hashVal) {
+ int waiterObjId = getFirstWaiter(eLockInfo);
+ LockWaiter waiterObj;
+ int entityInfo;
+
+ while (waiterObjId != -1) {
+ waiterObj = lockWaiterManager.getLockWaiter(waiterObjId);
+ entityInfo = waiterObj.getEntityInfoSlot();
+ if (jobId == entityInfoManager.getJobId(entityInfo)
+ && hashVal == entityInfoManager.getPKHashVal(entityInfo)) {
+ return waiterObjId;
+ }
+ waiterObjId = waiterObj.getNextWaiterObjId();
+ }
+
+ return -1;
+ }
+
+ public int findUpgraderFromUpgraderList(int eLockInfo, int jobId, int hashVal) {
+ int waiterObjId = getUpgrader(eLockInfo);
+ LockWaiter waiterObj;
+ int entityInfo;
+
+ if (waiterObjId != -1) {
+ waiterObj = lockWaiterManager.getLockWaiter(waiterObjId);
+ entityInfo = waiterObj.getEntityInfoSlot();
+ if (jobId == entityInfoManager.getJobId(entityInfo)
+ && hashVal == entityInfoManager.getPKHashVal(entityInfo)) {
+ return waiterObjId;
+ }
+ }
+
+ return -1;
+ }
+
+ public void increaseLockCount(int slotNum, byte lockMode) {
+ switch (lockMode) {
+ case LockMode.X:
+ setXCount(slotNum, (short) (getXCount(slotNum) + 1));
+ break;
+ case LockMode.S:
+ setSCount(slotNum, (short) (getSCount(slotNum) + 1));
+ break;
+ default:
+ throw new IllegalStateException("Invalid entity lock mode " + lockMode);
+ }
+ }
+
+ public void decreaseLockCount(int slotNum, byte lockMode) {
+ switch (lockMode) {
+ case LockMode.X:
+ setXCount(slotNum, (short) (getXCount(slotNum) - 1));
+ break;
+ case LockMode.S:
+ setSCount(slotNum, (short) (getSCount(slotNum) - 1));
+ break;
+ default:
+ throw new IllegalStateException("Invalid entity lock mode " + lockMode);
+ }
+ }
+
+ public void increaseLockCount(int slotNum, byte lockMode, short count) {
+ switch (lockMode) {
+ case LockMode.X:
+ setXCount(slotNum, (short) (getXCount(slotNum) + count));
+ break;
+ case LockMode.S:
+ setSCount(slotNum, (short) (getSCount(slotNum) + count));
+ break;
+ default:
+ throw new IllegalStateException("Invalid entity lock mode " + lockMode);
+ }
+ }
+
+ public void decreaseLockCount(int slotNum, byte lockMode, short count) {
+ switch (lockMode) {
+ case LockMode.X:
+ setXCount(slotNum, (short) (getXCount(slotNum) - count));
+ break;
+ case LockMode.S:
+ setSCount(slotNum, (short) (getSCount(slotNum) - count));
+ break;
+ default:
+ throw new IllegalStateException("Invalid entity lock mode " + lockMode);
+ }
+ }
+
+ //////////////////////////////////////////////////////////////////
+ // set/get method for each field of EntityLockInfo
+ //////////////////////////////////////////////////////////////////
+
+ public void setXCount(int slotNum, short count) {
+ pArray.get(slotNum / ChildEntityInfoArrayManager.NUM_OF_SLOTS).setXCount(
+ slotNum % ChildEntityInfoArrayManager.NUM_OF_SLOTS, count);
+ }
+
+ public short getXCount(int slotNum) {
+ return pArray.get(slotNum / ChildEntityInfoArrayManager.NUM_OF_SLOTS).getXCount(
+ slotNum % ChildEntityInfoArrayManager.NUM_OF_SLOTS);
+ }
+
+ public void setSCount(int slotNum, short count) {
+ pArray.get(slotNum / ChildEntityInfoArrayManager.NUM_OF_SLOTS).setSCount(
+ slotNum % ChildEntityInfoArrayManager.NUM_OF_SLOTS, count);
+ }
+
+ public short getSCount(int slotNum) {
+ return pArray.get(slotNum / ChildEntityInfoArrayManager.NUM_OF_SLOTS).getSCount(
+ slotNum % ChildEntityInfoArrayManager.NUM_OF_SLOTS);
+ }
+
+ public void setLastHolder(int slotNum, int holder) {
+ pArray.get(slotNum / ChildEntityInfoArrayManager.NUM_OF_SLOTS).setLastHolder(
+ slotNum % ChildEntityInfoArrayManager.NUM_OF_SLOTS, holder);
+ }
+
+ public int getLastHolder(int slotNum) {
+ return pArray.get(slotNum / ChildEntityInfoArrayManager.NUM_OF_SLOTS).getLastHolder(
+ slotNum % ChildEntityInfoArrayManager.NUM_OF_SLOTS);
+ }
+
+ public void setFirstWaiter(int slotNum, int waiter) {
+ pArray.get(slotNum / ChildEntityInfoArrayManager.NUM_OF_SLOTS).setFirstWaiter(
+ slotNum % ChildEntityInfoArrayManager.NUM_OF_SLOTS, waiter);
+ }
+
+ public int getFirstWaiter(int slotNum) {
+ return pArray.get(slotNum / ChildEntityInfoArrayManager.NUM_OF_SLOTS).getFirstWaiter(
+ slotNum % ChildEntityInfoArrayManager.NUM_OF_SLOTS);
+ }
+
+ public void setUpgrader(int slotNum, int upgrader) {
+ pArray.get(slotNum / ChildEntityInfoArrayManager.NUM_OF_SLOTS).setUpgrader(
+ slotNum % ChildEntityInfoArrayManager.NUM_OF_SLOTS, upgrader);
+ }
+
+ public int getUpgrader(int slotNum) {
+ return pArray.get(slotNum / ChildEntityInfoArrayManager.NUM_OF_SLOTS).getUpgrader(
+ slotNum % ChildEntityInfoArrayManager.NUM_OF_SLOTS);
+ }
+
+}
+
+/******************************************
+ * EntityLockInfo (16 bytes)
+ * ****************************************
+ * short XCount : used to represent the count of X mode lock if it is allocated. Otherwise, it represents next free slot.
+ * short SCount
+ * int lastHolder
+ * int firstWaiter
+ * int upgrader : may exist only one since there are only S and X mode lock in Entity-level
+ *******************************************/
+
+class ChildEntityLockInfoArrayManager {
+ public static final int ENTITY_LOCK_INFO_SIZE = 16; //16bytes
+ public static final int NUM_OF_SLOTS = 1024; //number of entityLockInfos in a buffer
+ //public static final int NUM_OF_SLOTS = 10; //for unit test
+ public static final int BUFFER_SIZE = ENTITY_LOCK_INFO_SIZE * NUM_OF_SLOTS;
+
+ //byte offset of each field of EntityLockInfo
+ public static final int XCOUNT_OFFSET = 0;
+ public static final int SCOUNT_OFFSET = 2;
+ public static final int LAST_HOLDER_OFFSET = 4;
+ public static final int FIRST_WAITER_OFFSET = 8;
+ public static final int UPGRADER_OFFSET = 12;
+
+ //byte offset of nextFreeSlotNum which shares the same space with LastHolder field
+ //If a slot is in use, the space is used for LastHolder. Otherwise, it is used for nextFreeSlotNum.
+ public static final int NEXT_FREE_SLOT_OFFSET = 4;
+
+ private ByteBuffer buffer;
+ private int freeSlotNum;
+ private int occupiedSlots; //-1 represents 'deinitialized' state.
+
+ public ChildEntityLockInfoArrayManager() {
+ initialize();
+ }
+
+ public void initialize() {
+ this.buffer = ByteBuffer.allocate(BUFFER_SIZE);
+ this.freeSlotNum = 0;
+ this.occupiedSlots = 0;
+
+ for (int i = 0; i < NUM_OF_SLOTS - 1; i++) {
+ setNextFreeSlot(i, i + 1);
+ }
+ setNextFreeSlot(NUM_OF_SLOTS - 1, -1); //-1 represents EOL(end of link)
+ }
+
+ public int allocate() {
+ int currentSlot = freeSlotNum;
+ freeSlotNum = getNextFreeSlot(currentSlot);
+ //initialize values
+ setXCount(currentSlot, (short) 0);
+ setSCount(currentSlot, (short) 0);
+ setLastHolder(currentSlot, -1);
+ setFirstWaiter(currentSlot, -1);
+ setUpgrader(currentSlot, -1);
+ occupiedSlots++;
+ if (LockManager.IS_DEBUG_MODE) {
+ System.out.println(Thread.currentThread().getName() + " Allocated ELockInfo[" + currentSlot + "]");
+ }
+ return currentSlot;
+ }
+
+ public void deallocate(int slotNum) {
+ setNextFreeSlot(slotNum, freeSlotNum);
+ freeSlotNum = slotNum;
+ occupiedSlots--;
+ if (LockManager.IS_DEBUG_MODE) {
+ System.out.println(Thread.currentThread().getName() + " Deallocated ELockInfo[" + slotNum + "]");
+ }
+ }
+
+ public void deinitialize() {
+ buffer = null;
+ occupiedSlots = -1;
+ }
+
+ public boolean isDeinitialized() {
+ return occupiedSlots == -1;
+ }
+
+ public boolean isFull() {
+ return occupiedSlots == NUM_OF_SLOTS;
+ }
+
+ public boolean isEmpty() {
+ return occupiedSlots == 0;
+ }
+
+ public int getNumOfOccupiedSlots() {
+ return occupiedSlots;
+ }
+
+ public int getFreeSlotNum() {
+ return freeSlotNum;
+ }
+
+ //////////////////////////////////////////////////////////////////
+ // set/get method for each field of EntityLockInfo plus freeSlot
+ //////////////////////////////////////////////////////////////////
+
+ public void setNextFreeSlot(int slotNum, int nextFreeSlot) {
+ buffer.putInt(slotNum * ENTITY_LOCK_INFO_SIZE + NEXT_FREE_SLOT_OFFSET, nextFreeSlot);
+ }
+
+ public int getNextFreeSlot(int slotNum) {
+ return buffer.getInt(slotNum * ENTITY_LOCK_INFO_SIZE + NEXT_FREE_SLOT_OFFSET);
+ }
+
+ public void setXCount(int slotNum, short count) {
+ buffer.putShort(slotNum * ENTITY_LOCK_INFO_SIZE + XCOUNT_OFFSET, count);
+ }
+
+ public short getXCount(int slotNum) {
+ return buffer.getShort(slotNum * ENTITY_LOCK_INFO_SIZE + XCOUNT_OFFSET);
+ }
+
+ public void setSCount(int slotNum, short count) {
+ buffer.putShort(slotNum * ENTITY_LOCK_INFO_SIZE + SCOUNT_OFFSET, count);
+ }
+
+ public short getSCount(int slotNum) {
+ return buffer.getShort(slotNum * ENTITY_LOCK_INFO_SIZE + SCOUNT_OFFSET);
+ }
+
+ public void setLastHolder(int slotNum, int holder) {
+ buffer.putInt(slotNum * ENTITY_LOCK_INFO_SIZE + LAST_HOLDER_OFFSET, holder);
+ }
+
+ public int getLastHolder(int slotNum) {
+ return buffer.getInt(slotNum * ENTITY_LOCK_INFO_SIZE + LAST_HOLDER_OFFSET);
+ }
+
+ public void setFirstWaiter(int slotNum, int waiter) {
+ buffer.putInt(slotNum * ENTITY_LOCK_INFO_SIZE + FIRST_WAITER_OFFSET, waiter);
+ }
+
+ public int getFirstWaiter(int slotNum) {
+ return buffer.getInt(slotNum * ENTITY_LOCK_INFO_SIZE + FIRST_WAITER_OFFSET);
+ }
+
+ public void setUpgrader(int slotNum, int upgrader) {
+ buffer.putInt(slotNum * ENTITY_LOCK_INFO_SIZE + UPGRADER_OFFSET, upgrader);
+ }
+
+ public int getUpgrader(int slotNum) {
+ return buffer.getInt(slotNum * ENTITY_LOCK_INFO_SIZE + UPGRADER_OFFSET);
+ }
+}
\ No newline at end of file
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/ILockManager.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/ILockManager.java
index b8c0e17..1341cc1 100644
--- a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/ILockManager.java
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/ILockManager.java
@@ -15,12 +15,16 @@
package edu.uci.ics.asterix.transaction.management.service.locking;
import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
+import edu.uci.ics.asterix.transaction.management.service.transaction.DatasetId;
import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionContext;
/**
- * @author pouria Interface for the lockManager
+ * Interface for the lockManager
+ *
+ * @author pouria
+ * @author kisskys
+ *
*/
-
public interface ILockManager {
/**
@@ -36,13 +40,13 @@
* has a "weaker" lock, then the request would be interpreted as a convert
* request
* Waiting transaction would eventually garb the lock, or get timed-out
- *
- * @param resourceID
- * @param mode
- * @return
+ * @param datasetId
+ * @param entityHashValue
+ * @param lockMode
+ * @param txnContext
* @throws ACIDException
*/
- public boolean lock(TransactionContext context, byte[] resourceID, int mode) throws ACIDException;
+ public void lock(DatasetId datasetId, int entityHashValue, byte lockMode, TransactionContext txnContext) throws ACIDException;
/**
* The method releases "All" the locks taken/waiting-on by a specific
@@ -50,58 +54,72 @@
* potential waiters, which can be waken up based on their requested lock
* mode and the waiting policy would be waken up
*
- * @param context
- * @return
+ * @param txnContext
* @throws ACIDException
*/
- public Boolean releaseLocks(TransactionContext context) throws ACIDException;
+ public void releaseLocks(TransactionContext txnContext) throws ACIDException;
/**
- * Releases "All" the locks by a transaction on a "single specific" resource
- * Upon releasing, potential waiters, which can be waken up based on their
- * requested lock mode and the waiting policy would be waken up
*
- * @param resourceID
- * @return
- * @throws ACIDException
+ * @param datasetId
+ * @param entityHashValue
+ * @param txnContext
+ * @throws ACIDException TODO
*/
- public boolean unlock(TransactionContext context, byte[] resourceID) throws ACIDException;
+ public void unlock(DatasetId datasetId, int entityHashValue, TransactionContext txnContext) throws ACIDException;
/**
- * Request to convert granted lockMode of a transaction on a specific
- * resource. Requesting transaction would either grab the lock, or sent to
- * waiting based on the type of the request, and current mask on the
- * resource and possible set of waiting converters
- * - If the transaction does not have any lock on the resource, then an
- * exception is thrown - If the transaction already has a stronger lock,
- * then no operation is taken
*
- * @param context
- * @param resourceID
- * @param mode
- * @return
- * @throws ACIDException
+ * @param datasetId
+ * @param entityHashValue
+ * @param txnContext
+ * @throws ACIDException TODO
*/
- public boolean convertLock(TransactionContext context, byte[] resourceID, int mode) throws ACIDException;
-
+ public void unlock(DatasetId datasetId, int entityHashValue, TransactionContext txnContext, boolean commitFlag) throws ACIDException;
+
/**
* Call to lock and unlock a specific resource in a specific lock mode
- *
+ * @param datasetId
+ * @param entityHashValue
+ * @param lockMode TODO
* @param context
- * @param resourceID
- * @param mode
- * @param timeout
+ *
* @return
* @throws ACIDException
*/
- public boolean getInstantlock(TransactionContext context, byte[] resourceID, int mode) throws ACIDException;
+ public void instantLock(DatasetId datasetId, int entityHashValue, byte lockMode, TransactionContext context) throws ACIDException;
+
+ /**
+ *
+ * @param datasetId
+ * @param entityHashValue
+ * @param lockMode
+ * @param context
+ * @return
+ * @throws ACIDException
+ */
+ public boolean tryLock(DatasetId datasetId, int entityHashValue, byte lockMode, TransactionContext context) throws ACIDException;
+
+ /**
+ *
+ * @param datasetId
+ * @param entityHashValue
+ * @param lockMode
+ * @param txnContext
+ * @return
+ * @throws ACIDException
+ */
+ boolean instantTryLock(DatasetId datasetId, int entityHashValue, byte lockMode, TransactionContext txnContext)
+ throws ACIDException;
/**
* Prints out the contents of the transactions' table in a readable fashion
*
* @return
* @throws ACIDException
*/
- public String getDebugLockStatus() throws ACIDException;
+ public String prettyPrint() throws ACIDException;
+
+
}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/JobInfo.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/JobInfo.java
new file mode 100644
index 0000000..1a3ac03
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/JobInfo.java
@@ -0,0 +1,292 @@
+package edu.uci.ics.asterix.transaction.management.service.locking;
+
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionContext;
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionManagementConstants.LockManagerConstants.LockMode;
+
+public class JobInfo {
+ private EntityInfoManager entityInfoManager;
+ private LockWaiterManager lockWaiterManager;
+ private TransactionContext jobCtx;
+ private int lastHoldingResource; //resource(entity or dataset) which is held by this job lastly
+ private int firstWaitingResource; //resource(entity or dataset) which this job is waiting for
+ private int upgradingResource; //resource(entity or dataset) which this job is waiting for to upgrade
+
+ //private PrimitiveIntHashMap dLockHT; //used for keeping dataset-granule-lock's count acquired by this job.
+
+ public JobInfo(EntityInfoManager entityInfoManager, LockWaiterManager lockWaiterManager, TransactionContext txnCtx) {
+ this.entityInfoManager = entityInfoManager;
+ this.lockWaiterManager = lockWaiterManager;
+ this.jobCtx = txnCtx;
+ this.lastHoldingResource = -1;
+ this.firstWaitingResource = -1;
+ this.upgradingResource = -1;
+ //this.dLockHT = new PrimitiveIntHashMap(1<<6, 1<<3, 180000);
+ }
+
+ public void addHoldingResource(int resource) {
+
+ if (LockManager.IS_DEBUG_MODE) {
+ if (entityInfoManager.getJobId(resource) != jobCtx.getJobId().getId()) {
+ throw new IllegalStateException("JobInfo(" + jobCtx.getJobId().getId() + ") has diffrent Job(JID:"
+ + entityInfoManager.getJobId(resource) + "'s resource!!!");
+ }
+ //System.out.println(Thread.currentThread().getName()+"\tJobInfo_AddHolder:"+ resource);
+ }
+
+ if (lastHoldingResource != -1) {
+ entityInfoManager.setNextJobResource(lastHoldingResource, resource);
+ }
+ entityInfoManager.setPrevJobResource(resource, lastHoldingResource);
+ entityInfoManager.setNextJobResource(resource, -1);
+ lastHoldingResource = resource;
+
+ //increaseDatasetLockCount(resource);
+ }
+
+ public void removeHoldingResource(int resource) {
+ int current = lastHoldingResource;
+ int prev;
+ int next;
+
+ if (LockManager.IS_DEBUG_MODE) {
+ if (entityInfoManager.getJobId(resource) != jobCtx.getJobId().getId()) {
+ throw new IllegalStateException("JobInfo(" + jobCtx.getJobId().getId() + ") has diffrent Job(JID:"
+ + entityInfoManager.getJobId(resource) + "'s resource!!!");
+ }
+ //System.out.println(Thread.currentThread().getName()+"\tJobInfo_RemoveHolder:"+ resource);
+ }
+
+ while (current != resource) {
+
+ if (LockManager.IS_DEBUG_MODE) {
+ if (current == -1) {
+ //shouldn't occur: debugging purpose
+ try {
+ throw new Exception();
+ } catch (Exception e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ }
+ }
+ }
+
+ current = entityInfoManager.getPrevJobResource(current);
+ }
+
+ prev = entityInfoManager.getPrevJobResource(current);
+ next = entityInfoManager.getNextJobResource(current);
+ //update prev->next = next
+ if (prev != -1) {
+ entityInfoManager.setNextJobResource(prev, next);
+ }
+ if (next != -1) {
+ entityInfoManager.setPrevJobResource(next, prev);
+ }
+ if (lastHoldingResource == resource) {
+ lastHoldingResource = prev;
+ }
+
+ //decreaseDatasetLockCount(resource);
+ }
+
+ public void addWaitingResource(int waiterObjId) {
+ int lastObjId;
+ LockWaiter lastObj = null;
+
+ if (firstWaitingResource != -1) {
+ //find the lastWaiter
+ lastObjId = firstWaitingResource;
+ while (lastObjId != -1) {
+ lastObj = lockWaiterManager.getLockWaiter(lastObjId);
+ if (LockManager.IS_DEBUG_MODE) {
+ int entityInfo = lastObj.getEntityInfoSlot();
+ if (entityInfoManager.getJobId(entityInfo) != jobCtx.getJobId().getId()) {
+ throw new IllegalStateException("JobInfo(" + jobCtx.getJobId().getId()
+ + ") has diffrent Job(JID:" + entityInfoManager.getJobId(entityInfo) + "'s resource!!!");
+ }
+ }
+ lastObjId = lastObj.getNextWaitingResourceObjId();
+ }
+ //last->next = new_waiter
+ lastObj.setNextWaitingResourceObjId(waiterObjId);
+ } else {
+ firstWaitingResource = waiterObjId;
+ }
+ //new_waiter->next = -1
+ lastObj = lockWaiterManager.getLockWaiter(waiterObjId);
+ if (LockManager.IS_DEBUG_MODE) {
+ int entityInfo = lastObj.getEntityInfoSlot();
+ if (entityInfoManager.getJobId(entityInfo) != jobCtx.getJobId().getId()) {
+ throw new IllegalStateException("JobInfo(" + jobCtx.getJobId().getId() + ") has diffrent Job(JID:"
+ + entityInfoManager.getJobId(entityInfo) + "'s resource!!!");
+ }
+ }
+ lastObj.setNextWaitingResourceObjId(-1);
+
+ // if (LockManager.IS_DEBUG_MODE) {
+ // System.out.println(Thread.currentThread().getName()+"\tJobInfo_AddWaiter:"+ waiterObjId + ", FirstWaiter:"+firstWaitingResource);
+ // }
+ }
+
+ public void removeWaitingResource(int waiterObjId) {
+ int currentObjId = firstWaitingResource;
+ LockWaiter currentObj;
+ LockWaiter prevObj = null;
+ int prevObjId = -1;
+ int nextObjId;
+
+ while (currentObjId != waiterObjId) {
+
+ if (LockManager.IS_DEBUG_MODE) {
+ if (currentObjId == -1) {
+ //shouldn't occur: debugging purpose
+ try {
+ throw new Exception();
+ } catch (Exception e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ }
+ }
+ }
+
+ prevObj = lockWaiterManager.getLockWaiter(currentObjId);
+ prevObjId = currentObjId;
+ currentObjId = prevObj.getNextWaitingResourceObjId();
+ }
+
+ //get current waiter object
+ currentObj = lockWaiterManager.getLockWaiter(currentObjId);
+
+ if (LockManager.IS_DEBUG_MODE) {
+ int entityInfo = currentObj.getEntityInfoSlot();
+ if (entityInfoManager.getJobId(entityInfo) != jobCtx.getJobId().getId()) {
+ throw new IllegalStateException("JobInfo(" + jobCtx.getJobId().getId() + ") has diffrent Job(JID:"
+ + entityInfoManager.getJobId(entityInfo) + "'s resource!!!");
+ }
+ }
+
+ //get next waiterObjId
+ nextObjId = currentObj.getNextWaitingResourceObjId();
+
+ if (prevObjId != -1) {
+ //prev->next = next
+ prevObj.setNextWaitingResourceObjId(nextObjId);
+ } else {
+ //removed first waiter. firstWaiter = current->next
+ firstWaitingResource = nextObjId;
+ }
+
+ // if (LockManager.IS_DEBUG_MODE) {
+ // System.out.println(Thread.currentThread().getName()+"\tJobInfo_RemoveWaiter:"+ waiterObjId + ", FirstWaiter:"+firstWaitingResource);
+ // }
+ }
+
+ /**********************************************************************************
+ * public void increaseDatasetLockCount(int entityInfo) {
+ * int datasetId = entityInfoManager.getDatasetId(entityInfo);
+ * int count = dLockHT.get(datasetId);
+ * if (count == -1) {
+ * dLockHT.upsert(datasetId, 1);
+ * } else {
+ * dLockHT.upsert(datasetId, count+1);
+ * }
+ * }
+ * public void decreaseDatasetLockCount(int entityInfo) {
+ * int datasetId = entityInfoManager.getDatasetId(entityInfo);
+ * int count = dLockHT.get(datasetId);
+ * if (count > 1) {
+ * dLockHT.upsert(datasetId, count-1);
+ * } else if (count == 1) {
+ * dLockHT.remove(datasetId);
+ * } else if (count <= 0 ) {
+ * throw new IllegalStateException("Illegal state of datasetLock count in JobInfo's dLockHT");
+ * }
+ * }
+ * public boolean isDatasetLockGranted(int datasetId) {
+ * return dLockHT.get(datasetId) == -1 ? false : true;
+ * }
+ **********************************************************************************/
+
+ public boolean isDatasetLockGranted(int datasetId, byte lockMode) {
+ int entityInfo = lastHoldingResource;
+ byte datasetLockMode;
+
+ while (entityInfo != -1) {
+ datasetLockMode = entityInfoManager.getDatasetLockMode(entityInfo);
+ datasetLockMode = entityInfoManager.getPKHashVal(entityInfo) == -1 ? datasetLockMode
+ : datasetLockMode == LockMode.S ? LockMode.IS : LockMode.IX;
+ if (entityInfoManager.getDatasetId(entityInfo) == datasetId
+ && isStrongerOrEqualToLockMode(datasetLockMode, lockMode)) {
+ return true;
+ }
+ entityInfo = entityInfoManager.getPrevJobResource(entityInfo);
+ }
+ return false;
+ }
+
+ //check whether LockMode modeA is stronger than or equal to LockMode modeB
+ private boolean isStrongerOrEqualToLockMode(byte modeA, byte modeB) {
+ switch (modeB) {
+ case LockMode.X:
+ return modeA == LockMode.X;
+
+ case LockMode.IX:
+ return modeA == LockMode.IX || modeA == LockMode.X;
+
+ case LockMode.S:
+ return modeA == LockMode.S || modeA == LockMode.X;
+
+ case LockMode.IS:
+ return true;
+
+ default:
+ throw new IllegalStateException("Unsupported dataset lock mode.");
+ }
+ }
+
+ public String printHoldingResource () {
+ StringBuilder s = new StringBuilder();
+ int entityInfo = lastHoldingResource;
+
+ while (entityInfo != -1) {
+ s.append("entityInfo[").append(entityInfo).append("] ");
+ s.append(entityInfoManager.getJobId(entityInfo)).append(" ");
+ s.append(entityInfoManager.getDatasetId(entityInfo)).append(" ");
+ s.append(entityInfoManager.getPKHashVal(entityInfo)).append(" ");
+ s.append(entityInfoManager.getDatasetLockMode(entityInfo)).append(" ");
+ s.append(entityInfoManager.getDatasetLockCount(entityInfo)).append(" ");
+ s.append(entityInfoManager.getEntityLockCount(entityInfo)).append(" ");
+ s.append(entityInfoManager.getEntityLockMode(entityInfo)).append(" ");
+ s.append("\n");
+ entityInfo = entityInfoManager.getPrevJobResource(entityInfo);
+ }
+ return s.toString();
+ }
+
+ /////////////////////////////////////////////////////////
+ // set/get method for private variable
+ /////////////////////////////////////////////////////////
+ public void setlastHoldingResource(int resource) {
+ lastHoldingResource = resource;
+ }
+
+ public int getLastHoldingResource() {
+ return lastHoldingResource;
+ }
+
+ public void setFirstWaitingResource(int resource) {
+ firstWaitingResource = resource;
+ }
+
+ public int getFirstWaitingResource() {
+ return firstWaitingResource;
+ }
+
+ public void setUpgradingResource(int resource) {
+ upgradingResource = resource;
+ }
+
+ public int getUpgradingResource() {
+ return upgradingResource;
+ }
+}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/LockInfo.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/LockInfo.java
deleted file mode 100644
index f3bd6f3..0000000
--- a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/LockInfo.java
+++ /dev/null
@@ -1,621 +0,0 @@
-package edu.uci.ics.asterix.transaction.management.service.locking;
-
-import java.util.ArrayList;
-import java.util.Iterator;
-
-import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
-
-/**
- * @author pouria An instance shows information on a "single resource" about
- * 1) current granted locks on the resource to all transactions 2) locks
- * that are being waiting on by all converting transactions 3) locks
- * that are being waiting on by all regular waiting transactions
- * Each lock mode is interpreted as an integer, and it has a
- * corresponding bit in the mask variable mask variable should be
- * interpreted as a sequence of bits, where the i-th bit is 1, if and
- * only if some transaction(s) have a lock of mode i on this resource
- * counter is an array which has an entry for each lock mode, and its
- * i-th entry shows the total number of locks of mode i, granted to all
- * transactions
- */
-
-public class LockInfo {
- final int NUM_OF_LOCK_MODES = 32;
- final int TX_ARRAY_SIZE = 50;
- final int EOL = -1;
-
- public static final int NOT_FOUND = -2;
- public static final int UNKNOWN_IX = -3;
- public static final int ANY_LOCK_MODE = -4;
- public static final int UNKNOWN_LOCK_MODE = -5;
-
- private int mask; // i-th bit corresponds to the i-th lock mode
- private int[] counter; // i-th entry shows total num of granted locks of
- // mode i
-
- private ArrayList<Integer> grantedList; // (contains index of entries, in
- // the txId, mode and counter lists)
- private ArrayList<WaitingInfo> convertList; // Waiting Converters
- private ArrayList<WaitingInfo> waitList; // Regular Waiters
-
- int nextFreeIx; // Head of free entries lists
- private ArrayList<long[]> txIdList; // i-th entry shows the id of the
- // granted/waiting transactions
- private ArrayList<int[]> modeList; // i-th entry shows the mode of the
- // granted/waiting-on lock
- private ArrayList<int[]> counterList; // i-th entry shows the number of
- // locks (with the defined mode) a
- // transaction has taken (In a free
- // entry is used as the next ptr (next
- // free entry))
-
- public LockInfo() {
- this.mask = 0;
- this.counter = new int[NUM_OF_LOCK_MODES];
- this.grantedList = new ArrayList<Integer>();
- this.waitList = new ArrayList<WaitingInfo>();
- this.convertList = new ArrayList<WaitingInfo>();
- nextFreeIx = 0;
- this.txIdList = new ArrayList<long[]>();
- txIdList.add(new long[TX_ARRAY_SIZE]);
- this.modeList = new ArrayList<int[]>();
- modeList.add(new int[TX_ARRAY_SIZE]);
- this.counterList = new ArrayList<int[]>();
- counterList.add(initArray(0));
- }
-
- private int[] initArray(int ixToStart) {
- int[] n = new int[TX_ARRAY_SIZE];
- for (int i = 0; i < TX_ARRAY_SIZE - 1; i++) { // Initializing a new set
- // of entries, attaching
- // them
- n[i] = (++ixToStart); // to the chain of free entries
- }
- n[TX_ARRAY_SIZE - 1] = EOL;
- return n;
- }
-
- /**
- * @param txId
- * @param lMode
- * @return the index of the entry corresponding to the transaction with the
- * specified granted lock
- * @throws ACIDException
- */
- public int findInGrantedList(long txId, int lMode) throws ACIDException {
- for (int i : grantedList) {
- if ((getTxId(i) == txId) && ((lMode == ANY_LOCK_MODE) || (lMode == getLockMode(i)))) {
- return i;
- }
- }
- return NOT_FOUND;
- }
-
- /**
- * @param txId
- * @param lMode
- * @return the index of the entry corresponding to the transaction which is
- * waiting (as a converter) for the specified lock
- * @throws ACIDException
- */
- public int findInConvertList(long txId, int lMode) throws ACIDException {
- for (WaitingInfo wi : convertList) {
- int i = wi.getWaitingEntry().getIX();
- if ((getTxId(i) == txId) && ((lMode == ANY_LOCK_MODE) || (lMode == getLockMode(i)))) {
- return i;
- }
- }
- return NOT_FOUND;
- }
-
- /**
- * @param txId
- * @param lMode
- * @return the index of the entry corresponding to the transaction which is
- * waiting (as a regular waiter) for the specified lock
- * @throws ACIDException
- */
- public int findInWaitList(long txId, int lMode) throws ACIDException {
- for (WaitingInfo wi : waitList) {
- int i = wi.getWaitingEntry().getIX();
- if ((getTxId(i) == txId) && ((lMode == ANY_LOCK_MODE) || (lMode == getLockMode(i)))) {
- return i;
- }
- }
- return NOT_FOUND;
- }
-
- /**
- * @param txId
- * @param lMode
- * @return the object, on which the specified transaction is waiting for the
- * specified lock
- * @throws ACIDException
- */
- public WaitingInfo getWaitingOnObject(long txId, int lMode) throws ACIDException {
- WaitingInfo wObj = null;
- Iterator<WaitingInfo> cIt = convertList.iterator();
- while (cIt.hasNext()) {
- wObj = cIt.next();
- int ix = wObj.getWaitingEntry().getIX();
- if ((getTxId(ix) == txId) && ((lMode == ANY_LOCK_MODE) || (lMode == getLockMode(ix)))) {
- return wObj;
- }
- }
-
- Iterator<WaitingInfo> wIt = waitList.iterator();
- while (wIt.hasNext()) {
- wObj = wIt.next();
- int ix = wObj.getWaitingEntry().getIX();
- if ((getTxId(ix) == txId) && ((lMode == ANY_LOCK_MODE) || (lMode == getLockMode(ix)))) {
- return wObj;
- }
- }
- throw new ACIDException("Waiting Entry for transaction " + txId + " Could not be found");
- }
-
- public Iterator<WaitingInfo> getIteratorOnConverter() {
- return (convertList.iterator());
- }
-
- public Iterator<WaitingInfo> getIteratorOnWaiters() {
- return (waitList.iterator());
- }
-
- /**
- * @param txId
- * @param lMode
- * @param eix
- * index of the entry corresponding to the transaction, its
- * granted lock and its counter
- * @throws ACIDException
- */
- public void addToGranted(long txId, int lMode, int eix) throws ACIDException {
- if (eix == UNKNOWN_IX) {
- eix = findInGrantedList(txId, lMode);
- }
- if (eix == NOT_FOUND) { // new lock of mode lMode for Txr
- int ix = allocateEntryForRequest();
- grantedList.add(ix);
- setTxId(txId, ix);
- setLockMode(lMode, ix);
- setReqCount(1, ix);
- mask |= (0x01 << lMode);
- } else { // Redundant lock of mode lMode for Txr
- incReqCount(eix);
- }
- counter[lMode]++;
- }
-
- /**
- * @param txId
- * @param lMode
- * @param eix
- * index of the entry corresponding to the transaction, its
- * granted lock and its counter
- * @throws ACIDException
- */
- public void removeFromGranted(long txId, int lMode, int eix) throws ACIDException {
- removeFromGranted(txId, lMode, true, eix);
- }
-
- /**
- * @param txId
- * @param lMode
- * @param forced
- * whether to remove all the locks, with the given mode, grabbed
- * by the transaction or consider the counter (removing just one
- * lock in case the transaction has several locks with the
- * specified mode)
- * @param eix
- * index of the entry corresponding to the transaction, its
- * granted lock and its counter
- * @throws ACIDException
- */
- private void removeFromGranted(long txId, int lMode, boolean forced, int eix) throws ACIDException {
- if (eix == UNKNOWN_IX) {
- eix = findInGrantedList(txId, lMode);
- if (eix == NOT_FOUND) {
- return;
- }
- }
-
- if (lMode == ANY_LOCK_MODE) {
- lMode = getLockMode(eix);
- }
-
- int count = getReqCount(eix);
- if (!forced) {
- if (count > 1) {
- setReqCount((count - 1), eix);
- counter[lMode]--;
- return;
- }
- }
- // forced or count is 1
- grantedList.remove((new Integer(eix)));
- freeEntry(eix);
- counter[lMode] -= count;
- if (counter[lMode] == 0) { // No one else has lock with this mode
- mask &= (~(0x00 | (0x01 << lMode)));
- }
- }
-
- /**
- * @param txId
- * @param lMode
- * @param entry
- * the object, specified transaction is going to wait on
- * @throws ACIDException
- */
- public void addToConvert(long txId, int lMode, WaitEntry entry) throws ACIDException {
- int eix = findInConvertList(txId, lMode);
- if (eix == NOT_FOUND) {
- int ix = allocateEntryForRequest();
- entry.setIx(ix);
- entry.setForWait();
- convertList.add(new WaitingInfo(entry));
- setTxId(txId, ix);
- setLockMode(lMode, ix);
- setReqCount(1, ix);
- } else {
- throw new ACIDException("Adding an already existing converter");
- }
- }
-
- /**
- * @param txId
- * @param lMode
- * @param eix
- * index of the entry corresponding to the transaction in the
- * converters list
- * @throws ACIDException
- */
- public void prepareToRemoveFromConverters(long txId, int lMode, int eix) throws ACIDException {
- prepareToRemoveFromConverters(txId, lMode, true, eix);
- }
-
- /**
- * @param txId
- * @param lMode
- * @param forced
- * whether to ignore the counter and remove the transaction from
- * the converters list or consider the request counter
- * @param eix
- * index of the entry corresponding to the transaction in the
- * converters list
- * @throws ACIDException
- */
- private void prepareToRemoveFromConverters(long txId, int lMode, boolean forced, int eix) throws ACIDException {
- if (eix == UNKNOWN_IX) {
- eix = findInConvertList(txId, lMode);
- if (eix == NOT_FOUND) {
- throw new ACIDException("Lock entry not found in the waiting list");
- }
- }
- freeEntry(eix);
- }
-
- /**
- * @param txId
- * @return the object specified transaction is waiting on for conversion
- * @throws ACIDException
- */
- public WaitEntry removeFromConverters(long txId) throws ACIDException {
- Iterator<WaitingInfo> it = convertList.iterator();
- while (it.hasNext()) {
- WaitingInfo next = it.next();
- if (getTxId(next.getWaitingEntry().getIX()) == txId) {
- it.remove();
- return next.getWaitingEntry();
- }
- }
- return null;
- }
-
- /**
- * @param txId
- * @param lMode
- * @param entry
- * @throws ACIDException
- */
- public void addToWaiters(long txId, int lMode, WaitEntry entry) throws ACIDException {
- int ix = allocateEntryForRequest();
- entry.setIx(ix);
- entry.setForWait();
- waitList.add(new WaitingInfo(entry));
- setTxId(txId, ix);
- setLockMode(lMode, ix);
- setReqCount(1, ix);
- }
-
- public void prepareToRemoveFromWaiters(long txId, int lMode, int eix) throws ACIDException {
- prepareToRemoveFromWaiters(txId, lMode, true, eix);
- }
-
- /**
- * Removes and recycles the entry containing the information about the
- * transaction, its lock mode and the counter
- *
- * @param txId
- * @param lMode
- * @param forced
- * @param eix
- * index of the entry, needs to be freed
- * @throws ACIDException
- */
- private void prepareToRemoveFromWaiters(long txId, int lMode, boolean forced, int eix) throws ACIDException {
- if (eix == UNKNOWN_IX) {
- eix = findInWaitList(txId, lMode);
- if (eix == NOT_FOUND) {
- throw new ACIDException("Lock entry not found in the waiting list");
- }
- }
- freeEntry(eix);
- }
-
- /**
- * @param txId
- * @return the object the transaction is waiting on (as a regular waiter)
- * @throws ACIDException
- */
- public WaitEntry removeFromWaiters(long txId) throws ACIDException {
- Iterator<WaitingInfo> it = waitList.iterator();
- while (it.hasNext()) {
- WaitingInfo next = it.next();
- if (getTxId(next.getWaitingEntry().getIX()) == txId) {
- it.remove();
- return next.getWaitingEntry();
- }
- }
- return null;
- }
-
- /**
- * @param lMode
- * @param eix
- * index of the entry corresponding to the transaction's lock and
- * its counter
- */
- public void grantRedundantLock(int lMode, int eix) {
- incReqCount(eix);
- counter[lMode]++;
- }
-
- /**
- * @param txId
- * @param eix
- * index of the entry corresponding to the transaction
- * @return the actual lock mode, granted to the specified transaction
- * @throws ACIDException
- */
- public int getGrantedLockMode(long txId, int eix) throws ACIDException {
- if (eix != UNKNOWN_IX) {
- return getLockMode(eix);
- }
- int ix = findInGrantedList(txId, ANY_LOCK_MODE);
- if (ix == NOT_FOUND) {
- return UNKNOWN_LOCK_MODE;
- }
- return getLockMode(ix);
- }
-
- /**
- * @param txId
- * @param eix
- * index of the entry corresponding to the transaction
- * @return the actual lock mode, the specified transaction is waiting to
- * convert to
- * @throws ACIDException
- */
- public int getConvertLockMode(long txId, int eix) throws ACIDException {
- if (eix != UNKNOWN_IX) {
- return getLockMode(eix);
- }
- int ix = findInConvertList(txId, ANY_LOCK_MODE);
- if (ix == NOT_FOUND) {
- return UNKNOWN_LOCK_MODE;
- }
- return getLockMode(ix);
- }
-
- /**
- * @param txId
- * @param eix
- * index of the entry corresponding to the transaction
- * @return the actual lock mode, the specified transaction is waiting to
- * grab
- * @throws ACIDException
- */
- public int getWaitLockMode(long txId, int eix) throws ACIDException {
- if (eix != UNKNOWN_IX) {
- return getLockMode(eix);
- }
- int ix = findInWaitList(txId, ANY_LOCK_MODE);
- if (ix == NOT_FOUND) {
- return UNKNOWN_LOCK_MODE;
- }
- return getLockMode(ix);
- }
-
- public boolean isConvertListEmpty() {
- return (!(convertList.size() > 0));
- }
-
- public int getMask() {
- return mask;
- }
-
- /**
- * @param txId
- * @param lMode
- * @param eix
- * index of the entry corresponding to the transaction's
- * currently grabbed lock
- * @return the updated as if the granted lock to the specified transaction
- * gets removed from it (Mainly used to exclude self-conflicts when
- * checking for conversions)
- * @throws ACIDException
- */
- public int getUpdatedMask(long txId, int lMode, int eix) throws ACIDException {
- if (eix == UNKNOWN_IX) {
- eix = findInGrantedList(txId, lMode);
- }
- if (eix == NOT_FOUND) {
- return mask;
- }
-
- int txCount = getReqCount(eix);
- int totalCount = getLockAggCounter(lMode);
-
- if (totalCount == txCount) { // txId is the only lock-holder with this
- // mode
- return (mask & (~(0x00 | (0x01 << lMode))));
- }
-
- return mask;
- }
-
- /**
- * @param lmix
- * @return the total number of locks of the specified mode, grabbed on this
- * resource (by all transactions)
- */
- private int getLockAggCounter(int lmix) {
- return counter[lmix];
- }
-
- /**
- * Populates the grantedIDs list with the ids of all transactions in the
- * granted list
- *
- * @param grantedIDs
- */
- public void getGrantedListTxIDs(ArrayList<Long> grantedIDs) {
- Iterator<Integer> gIt = grantedList.iterator();
- while (gIt.hasNext()) {
- grantedIDs.add(getTxId(gIt.next()));
- }
- }
-
- /**
- * @return the index of an entry that can be used to capture one transaction
- * and its requested/granted lock mode and the counter
- */
- private int allocateEntryForRequest() {
- if (nextFreeIx == EOL) {
- nextFreeIx = txIdList.size() * TX_ARRAY_SIZE;
- txIdList.add(new long[TX_ARRAY_SIZE]);
- modeList.add(new int[TX_ARRAY_SIZE]);
- counterList.add(initArray(nextFreeIx));
- }
- int ixToRet = nextFreeIx;
- nextFreeIx = getReqCount(nextFreeIx);
- return ixToRet;
- }
-
- /**
- * @param ix
- * index of the entry, to be recycled
- */
- private void freeEntry(int ix) {
- setReqCount(nextFreeIx, ix); // counter holds ptr to next free entry in
- // free entries
- nextFreeIx = ix;
- }
-
- /**
- * @param ix
- * index of the entry that captures the transaction id
- * @return id of the transaction whose info is captured in the specified
- * index
- */
- public long getTxId(int ix) {
- return (txIdList.get(ix / TX_ARRAY_SIZE)[ix % TX_ARRAY_SIZE]);
- }
-
- /**
- * @param txId
- * @param ix
- * index of the entry that will capture the transaction id
- */
- private void setTxId(long txId, int ix) {
- txIdList.get(ix / TX_ARRAY_SIZE)[ix % TX_ARRAY_SIZE] = txId;
- }
-
- /**
- * @param ix
- * index of the entry that captures the lock mode
- * requested/grabbed by the specified transaction
- * @return
- */
- public int getLockMode(int ix) {
- return (modeList.get(ix / TX_ARRAY_SIZE)[ix % TX_ARRAY_SIZE]);
- }
-
- /**
- * @param lMode
- * @param index
- * of the entry that will capture the lock mode requested/grabbed
- * by the specified transaction
- */
- private void setLockMode(int lMode, int ix) {
- modeList.get(ix / TX_ARRAY_SIZE)[ix % TX_ARRAY_SIZE] = lMode;
- }
-
- /**
- * @param ix
- * @return index of the entry that captures the counter of locks
- */
- public int getReqCount(int ix) {
- return (counterList.get(ix / TX_ARRAY_SIZE)[ix % TX_ARRAY_SIZE]);
- }
-
- /**
- * @param count
- * @param ix
- * index of the entry that captures the counter of locks
- */
- private void setReqCount(int count, int ix) {
- counterList.get(ix / TX_ARRAY_SIZE)[ix % TX_ARRAY_SIZE] = count;
- }
-
- /**
- * @param ix
- * index of the counter, needed to be incremented on behalf of a
- * transaction
- */
- private void incReqCount(int ix) {
- counterList.get(ix / TX_ARRAY_SIZE)[ix % TX_ARRAY_SIZE]++;
- }
-}
-
-class WaitingInfo {
- /**
- * An object of this class captures the information corresponding to a
- * regular or converter waiter
- */
-
- private boolean isVictim; // Whether the corresponding transaction is an
- // Victim or it can be waken up safely
- private WaitEntry waitEntry; // The object, on which the waiter is waiting.
- // This object is mainly used to notify the
- // waiter, to be waken up
-
- public WaitingInfo(WaitEntry waitEntry) {
- this.waitEntry = waitEntry;
- this.isVictim = false;
- }
-
- public boolean isVictim() {
- return isVictim;
- }
-
- public void setAsVictim() {
- this.isVictim = true;
- }
-
- public WaitEntry getWaitingEntry() {
- return this.waitEntry;
- }
-}
\ No newline at end of file
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/LockManager.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/LockManager.java
index 22cab54..fb5bb68 100644
--- a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/LockManager.java
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/LockManager.java
@@ -1,982 +1,1703 @@
+/*
+ * Copyright 2009-2012 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
package edu.uci.ics.asterix.transaction.management.service.locking;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Hashtable;
+import java.util.HashMap;
import java.util.Iterator;
-import java.util.Properties;
-import java.util.concurrent.atomic.AtomicInteger;
-import java.util.logging.Level;
-import java.util.logging.Logger;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.concurrent.locks.ReadWriteLock;
+import java.util.concurrent.locks.ReentrantReadWriteLock;
import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
+import edu.uci.ics.asterix.transaction.management.service.logging.LogType;
+import edu.uci.ics.asterix.transaction.management.service.logging.LogUtil;
+import edu.uci.ics.asterix.transaction.management.service.logging.LogicalLogLocator;
+import edu.uci.ics.asterix.transaction.management.service.transaction.DatasetId;
+import edu.uci.ics.asterix.transaction.management.service.transaction.ITransactionManager.TransactionState;
+import edu.uci.ics.asterix.transaction.management.service.transaction.JobId;
import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionContext;
-import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionManagementConstants;
-import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionProvider;
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionManagementConstants.LockManagerConstants.LockMode;
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionSubsystem;
/**
- * @author pouria An implementation of the ILockManager interface for the
- * specific case of locking protocol with two lock modes: (S) and (X),
- * where S lock mode is shown by 0, and X lock mode is shown by 1.
- * @see ILockManager, DeadlockDetector, TimeOutDetector, ILockMatrix,
- * LockMatrix, TxrInfo and LockInfo
+ * An implementation of the ILockManager interface for the
+ * specific case of locking protocol with two lock modes: (S) and (X),
+ * where S lock mode is shown by 0, and X lock mode is shown by 1.
+ *
+ * @author pouria, kisskys
*/
public class LockManager implements ILockManager {
- private static final Logger LOGGER = Logger.getLogger(LockManager.class.getName());
+ public static final boolean IS_DEBUG_MODE = false;//true
- final int INIT_TABLE_SIZE = 50;
- private LMTables lmTables;
- ILockMatrix lMtx;
+ private TransactionSubsystem txnSubsystem;
- WaitObjectManager woManager;
- TimeOutDetector toutDetector;
- DeadlockDetector deadlockDetector;
+ //all threads accessing to LockManager's tables such as jobHT and datasetResourceHT
+ //are serialized through LockTableLatch. All threads waiting the latch will be fairly served
+ //in FIFO manner when the latch is available.
+ private final ReadWriteLock lockTableLatch;
+ private final ReadWriteLock waiterLatch;
+ private HashMap<JobId, JobInfo> jobHT;
+ private HashMap<DatasetId, DatasetLockInfo> datasetResourceHT;
- public LockManager(TransactionProvider factory) throws ACIDException {
- Properties p = new Properties();
- InputStream is = null;
- ILockMatrix lockMatrix = null;
- int[] confTab = null;
- int[] convTab = null;
+ private EntityLockInfoManager entityLockInfoManager;
+ private EntityInfoManager entityInfoManager;
+ private LockWaiterManager lockWaiterManager;
- try {
- File file = new File(TransactionManagementConstants.LockManagerConstants.LOCK_CONF_DIR + File.separator
- + TransactionManagementConstants.LockManagerConstants.LOCK_CONF_FILE);
- if (file.exists()) {
- is = new FileInputStream(TransactionManagementConstants.LockManagerConstants.LOCK_CONF_DIR
- + File.separator + TransactionManagementConstants.LockManagerConstants.LOCK_CONF_FILE);
- p.load(is);
- confTab = getConfTab(p);
- convTab = getConvTab(p);
- } else {
- if (LOGGER.isLoggable(Level.SEVERE)) {
- LOGGER.severe("Lock configuration file not found, using defaults !");
- }
- confTab = TransactionManagementConstants.LockManagerConstants.LOCK_CONFLICT_MATRIX;
- convTab = TransactionManagementConstants.LockManagerConstants.LOCK_CONVERT_MATRIX;
- }
- lockMatrix = new LockMatrix(confTab, convTab);
- initialize(lockMatrix);
- } catch (IOException ioe) {
- if (is != null) {
- try {
- is.close();
- } catch (IOException e) {
- throw new ACIDException("unable to close input stream ", e);
- }
- }
- throw new ACIDException(" unable to create LockManager", ioe);
- }
- }
+ private DeadlockDetector deadlockDetector;
+ private TimeOutDetector toutDetector;
+ private DatasetId tempDatasetIdObj; //temporary object to avoid object creation
- private static int[] getConfTab(Properties properties) {
- return null;
- }
+ private int tryLockDatasetGranuleRevertOperation;
- private static int[] getConvTab(Properties properties) {
- return null;
- }
+ private LockRequestTracker lockRequestTracker; //for debugging
+ private ConsecutiveWakeupContext consecutiveWakeupContext;
- private void initialize(ILockMatrix matrix) throws ACIDException {
- this.lmTables = new LMTables(INIT_TABLE_SIZE);
- this.lMtx = matrix;
- woManager = new WaitObjectManager();
- this.deadlockDetector = new DeadlockDetector(this);
+ //TODO
+ //This code should be taken care properly when there is a way to avoid doubling memory space for txnIds.
+ private LogicalLogLocator logicalLogLocator;
+
+ public LockManager(TransactionSubsystem txnSubsystem) throws ACIDException {
+ this.txnSubsystem = txnSubsystem;
+ this.lockTableLatch = new ReentrantReadWriteLock(true);
+ this.waiterLatch = new ReentrantReadWriteLock(true);
+ this.jobHT = new HashMap<JobId, JobInfo>();
+ this.datasetResourceHT = new HashMap<DatasetId, DatasetLockInfo>();
+ this.entityInfoManager = new EntityInfoManager();
+ this.lockWaiterManager = new LockWaiterManager();
+ this.entityLockInfoManager = new EntityLockInfoManager(entityInfoManager, lockWaiterManager);
+ this.deadlockDetector = new DeadlockDetector(jobHT, datasetResourceHT, entityLockInfoManager,
+ entityInfoManager, lockWaiterManager);
this.toutDetector = new TimeOutDetector(this);
+ this.tempDatasetIdObj = new DatasetId(0);
+ this.consecutiveWakeupContext = new ConsecutiveWakeupContext();
+
+ this.logicalLogLocator = LogUtil.getDummyLogicalLogLocator(txnSubsystem.getLogManager());
+
+ if (IS_DEBUG_MODE) {
+ this.lockRequestTracker = new LockRequestTracker();
+ }
}
@Override
- public boolean lock(TransactionContext context, byte[] resourceID, int mode) throws ACIDException {
- long txId = context.getTransactionID();
- TxrInfo txrInfo = null;
- WaitEntry waitObj = null;
- Boolean isConverting = false;
- int grantedMode = -1;
- LockInfo lInfo = null;
- boolean shouldAbort = false;
+ public void lock(DatasetId datasetId, int entityHashValue, byte lockMode, TransactionContext txnContext)
+ throws ACIDException {
+ internalLock(datasetId, entityHashValue, lockMode, txnContext);
+ }
- synchronized (lmTables) {
- txrInfo = lmTables.getTxrInfo(txId);
- if (txrInfo == null) {
- txrInfo = new TxrInfo(context);
- lmTables.putTxrInfo(txId, txrInfo);
- }
+ private void internalLock(DatasetId datasetId, int entityHashValue, byte lockMode, TransactionContext txnContext)
+ throws ACIDException {
- lInfo = lmTables.getLockInfo(resourceID);
- if (lInfo == null) { // First lock on the resource, grant it
- lInfo = new LockInfo();
- lInfo.addToGranted(txId, mode, LockInfo.NOT_FOUND);
- lmTables.putLockInfo(resourceID, lInfo);
- txrInfo.addGrantedLock(resourceID, mode);
- return true;
- }
+ JobId jobId = txnContext.getJobId();
+ int jId = jobId.getId(); //int-type jobId
+ int dId = datasetId.getId(); //int-type datasetId
+ int entityInfo;
+ int eLockInfo = -1;
+ DatasetLockInfo dLockInfo = null;
+ JobInfo jobInfo;
+ byte datasetLockMode = entityHashValue == -1 ? lockMode : lockMode == LockMode.S ? LockMode.IS : LockMode.IX;
- int eix = lInfo.findInGrantedList(txId, LockInfo.ANY_LOCK_MODE);
- if (eix == LockInfo.NOT_FOUND) { // First lock by this Txr on the
- // resource
- if (!lInfo.isConvertListEmpty()) { // If Some converter(s)
- // is(are) waiting, Txr needs
- // to wait for fairness
+ latchLockTable();
+ validateJob(txnContext);
- // ----Deadlock Detection ---
- if (!isDeadlockFree(txId, resourceID)) {
- if (LOGGER.isLoggable(Level.INFO)) {
- LOGGER.info("DEADLOCK DETECTED FOR TRANSACTION " + txId);
- }
- context.setStatus(TransactionContext.TIMED_OUT_SATUS);
- shouldAbort = true;
- }
- // ---------------------------
-
- else { // Safe to wait
- waitObj = woManager.allocate();
- if (waitObj == null) {
- throw new ACIDException("Invalid (null) object allocated as the WaitEntry for Txr " + txId);
- }
- lInfo.addToWaiters(txId, mode, waitObj);
- txrInfo.setWaitOnRid(resourceID);
- context.setStartWaitTime(System.currentTimeMillis());
-
- }
- } else { // No converter(s) waiting
- int mask = lInfo.getMask();
- if (lMtx.conflicts(mask, mode)) { // If There is conflict,
- // Txr needs to wait
-
- // ----Deadlock Detection ---
- if (!isDeadlockFree(txId, resourceID)) {
- if (LOGGER.isLoggable(Level.INFO)) {
- LOGGER.info("DEADLOCK DETECTED FOR TRANSACTION " + txId);
- }
- context.setStatus(TransactionContext.TIMED_OUT_SATUS);
- shouldAbort = true;
- }
- // ---------------------------
- else { // Safe to wait
- waitObj = woManager.allocate();
- if (waitObj == null) {
- throw new ACIDException("Invalid (null) object allocated as the WaitEntry for Txr "
- + txId);
- }
- lInfo.addToWaiters(txId, mode, waitObj);
- txrInfo.setWaitOnRid(resourceID);
- context.setStartWaitTime(System.currentTimeMillis());
- }
- } else { // No conflicts with the current mask, just grant
- // it
- lInfo.addToGranted(txId, mode, LockInfo.NOT_FOUND);
- txrInfo.addGrantedLock(resourceID, mode);
- return true;
- }
- }
- }
-
- else { // Redundant or Conversion
- grantedMode = lInfo.getGrantedLockMode(txId, eix);
- if (grantedMode == mode) {
- lInfo.grantRedundantLock(mode, eix);
- return true; // No need to update tInfo
- } else {
- if (lMtx.isConversion(grantedMode, mode)) {
- isConverting = true;
- } else {
- return true; // Txr already has a stronger lock on the
- // resource
- }
-
- }
- }
+ if (IS_DEBUG_MODE) {
+ trackLockRequest("Requested", RequestType.LOCK, datasetId, entityHashValue, lockMode, txnContext,
+ dLockInfo, eLockInfo);
}
- if (isConverting) {
+ dLockInfo = datasetResourceHT.get(datasetId);
+ jobInfo = jobHT.get(jobId);
+
+ //#. if the datasetLockInfo doesn't exist in datasetResourceHT
+ if (dLockInfo == null || dLockInfo.isNoHolder()) {
+ if (dLockInfo == null) {
+ dLockInfo = new DatasetLockInfo(entityLockInfoManager, entityInfoManager, lockWaiterManager);
+ datasetResourceHT.put(new DatasetId(dId), dLockInfo); //datsetId obj should be created
+ }
+ entityInfo = entityInfoManager.allocate(jId, dId, entityHashValue, lockMode);
+
+ //if dataset-granule lock
+ if (entityHashValue == -1) { //-1 stands for dataset-granule
+ entityInfoManager.increaseDatasetLockCount(entityInfo);
+ dLockInfo.increaseLockCount(datasetLockMode);
+ dLockInfo.addHolder(entityInfo);
+ } else {
+ entityInfoManager.increaseDatasetLockCount(entityInfo);
+ dLockInfo.increaseLockCount(datasetLockMode);
+ //add entityLockInfo
+ eLockInfo = entityLockInfoManager.allocate();
+ dLockInfo.getEntityResourceHT().put(entityHashValue, eLockInfo);
+ entityInfoManager.increaseEntityLockCount(entityInfo);
+ entityLockInfoManager.increaseLockCount(eLockInfo, lockMode);
+ entityLockInfoManager.addHolder(eLockInfo, entityInfo);
+ }
+
+ if (jobInfo == null) {
+ jobInfo = new JobInfo(entityInfoManager, lockWaiterManager, txnContext);
+ jobHT.put(jobId, jobInfo); //jobId obj doesn't have to be created
+ }
+ jobInfo.addHoldingResource(entityInfo);
+
+ if (IS_DEBUG_MODE) {
+ trackLockRequest("Granted", RequestType.LOCK, datasetId, entityHashValue, lockMode, txnContext,
+ dLockInfo, eLockInfo);
+ }
+
+ unlatchLockTable();
+ return;
+ }
+
+ //#. the datasetLockInfo exists in datasetResourceHT.
+ //1. handle dataset-granule lock
+ entityInfo = lockDatasetGranule(datasetId, entityHashValue, lockMode, txnContext);
+
+ //2. handle entity-granule lock
+ if (entityHashValue != -1) {
+ lockEntityGranule(datasetId, entityHashValue, lockMode, entityInfo, txnContext);
+ }
+
+ if (IS_DEBUG_MODE) {
+ trackLockRequest("Granted", RequestType.LOCK, datasetId, entityHashValue, lockMode, txnContext, dLockInfo,
+ eLockInfo);
+ }
+ unlatchLockTable();
+ return;
+ }
+
+ private void validateJob(TransactionContext txnContext) throws ACIDException {
+ if (txnContext.getTxnState() == TransactionState.ABORTED) {
+ unlatchLockTable();
+ throw new ACIDException("" + txnContext.getJobId() + " is in ABORTED state.");
+ } else if (txnContext.getStatus() == TransactionContext.TIMED_OUT_STATUS) {
try {
- return convertLockForNewTransaction(context, resourceID, grantedMode, mode);
- } catch (InterruptedException e) {
- e.printStackTrace();
+ requestAbort(txnContext);
+ } finally {
+ unlatchLockTable();
}
}
+ }
- if (shouldAbort) {
- requestTxrAbort(context);
- return false;
- }
+ private int lockDatasetGranule(DatasetId datasetId, int entityHashValue, byte lockMode,
+ TransactionContext txnContext) throws ACIDException {
+ JobId jobId = txnContext.getJobId();
+ int jId = jobId.getId(); //int-type jobId
+ int dId = datasetId.getId(); //int-type datasetId
+ int waiterObjId;
+ int entityInfo = -1;
+ DatasetLockInfo dLockInfo;
+ JobInfo jobInfo;
+ boolean isUpgrade = false;
+ int weakerModeLockCount;
+ int waiterCount = 0;
+ byte datasetLockMode = entityHashValue == -1 ? lockMode : lockMode == LockMode.S ? LockMode.IS : LockMode.IX;
- // Txr needs to wait and it is safe to wait
- synchronized (waitObj) {
- while (waitObj.needWait()) {
- try {
- waitObj.wait();
- } catch (InterruptedException e) {
- e.printStackTrace();
+ dLockInfo = datasetResourceHT.get(datasetId);
+ jobInfo = jobHT.get(jobId);
+
+ //check duplicated call
+
+ //1. lock request causing duplicated upgrading requests from different threads in a same job
+ waiterObjId = dLockInfo.findUpgraderFromUpgraderList(jId, entityHashValue);
+ if (waiterObjId != -1) {
+ //make the caller wait on the same LockWaiter object
+ entityInfo = lockWaiterManager.getLockWaiter(waiterObjId).getEntityInfoSlot();
+ waiterCount = handleLockWaiter(dLockInfo, -1, entityInfo, true, true, txnContext, jobInfo, waiterObjId);
+
+ //Only for the first-get-up thread, the waiterCount will be more than 0 and
+ //the thread updates lock count on behalf of the all other waiting threads.
+ //Therefore, all the next-get-up threads will not update any lock count.
+ if (waiterCount > 0) {
+ //add ((the number of waiting upgrader) - 1) to entityInfo's dataset lock count and datasetLockInfo's lock count
+ //where -1 is for not counting the first upgrader's request since the lock count for the first upgrader's request
+ //is already counted.
+ weakerModeLockCount = entityInfoManager.getDatasetLockCount(entityInfo);
+ entityInfoManager.setDatasetLockMode(entityInfo, lockMode);
+ entityInfoManager.increaseDatasetLockCount(entityInfo, waiterCount - 1);
+
+ if (entityHashValue == -1) { //dataset-granule lock
+ dLockInfo.increaseLockCount(LockMode.X, weakerModeLockCount + waiterCount - 1);//new lock mode
+ dLockInfo.decreaseLockCount(LockMode.S, weakerModeLockCount);//current lock mode
+ } else {
+ dLockInfo.increaseLockCount(LockMode.IX, weakerModeLockCount + waiterCount - 1);
+ dLockInfo.decreaseLockCount(LockMode.IS, weakerModeLockCount);
}
}
- // Txr just woke up
- woManager.deAllocate(waitObj);
- if (context.getStatus() == TransactionContext.TIMED_OUT_SATUS) { // selected
- // as
- // a
- // victim
- requestTxrAbort(context);
- return false;
+
+ return entityInfo;
+ }
+
+ //2. lock request causing duplicated waiting requests from different threads in a same job
+ waiterObjId = dLockInfo.findWaiterFromWaiterList(jId, entityHashValue);
+ if (waiterObjId != -1) {
+ //make the caller wait on the same LockWaiter object
+ entityInfo = lockWaiterManager.getLockWaiter(waiterObjId).getEntityInfoSlot();
+ waiterCount = handleLockWaiter(dLockInfo, -1, entityInfo, false, true, txnContext, jobInfo, waiterObjId);
+
+ if (waiterCount > 0) {
+ entityInfoManager.increaseDatasetLockCount(entityInfo, waiterCount);
+ if (entityHashValue == -1) {
+ dLockInfo.increaseLockCount(datasetLockMode, waiterCount);
+ dLockInfo.addHolder(entityInfo);
+ } else {
+ dLockInfo.increaseLockCount(datasetLockMode, waiterCount);
+ //IS and IX holders are implicitly handled.
+ }
+ //add entityInfo to JobInfo's holding-resource list
+ jobInfo.addHoldingResource(entityInfo);
+ }
+
+ return entityInfo;
+ }
+
+ //3. lock request causing duplicated holding requests from different threads or a single thread in a same job
+ entityInfo = dLockInfo.findEntityInfoFromHolderList(jId, entityHashValue);
+ if (entityInfo == -1) {
+
+ entityInfo = entityInfoManager.allocate(jId, dId, entityHashValue, lockMode);
+ if (jobInfo == null) {
+ jobInfo = new JobInfo(entityInfoManager, lockWaiterManager, txnContext);
+ jobHT.put(jobId, jobInfo);
+ }
+
+ //wait if any upgrader exists or upgrading lock mode is not compatible
+ if (dLockInfo.getFirstUpgrader() != -1 || dLockInfo.getFirstWaiter() != -1
+ || !dLockInfo.isCompatible(datasetLockMode)) {
+
+ /////////////////////////////////////////////////////////////////////////////////////////////
+ //[Notice]
+ //There has been no same caller as (jId, dId, entityHashValue) triplet.
+ //But there could be the same caller as (jId, dId) pair.
+ //For example, two requests (J1, D1, E1) and (J1, D1, E2) are considered as duplicated call in dataset-granule perspective.
+ //Therefore, the above duplicated call case is covered in the following code.
+ //find the same dataset-granule lock request, that is, (J1, D1) pair in the above example.
+ //if (jobInfo.isDatasetLockGranted(dId, datasetLockMode)) {
+ if (jobInfo.isDatasetLockGranted(dId, LockMode.IS)) {
+ if (dLockInfo.isCompatible(datasetLockMode)) {
+ //this is duplicated call
+ entityInfoManager.increaseDatasetLockCount(entityInfo);
+ if (entityHashValue == -1) {
+ dLockInfo.increaseLockCount(datasetLockMode);
+ dLockInfo.addHolder(entityInfo);
+ } else {
+ dLockInfo.increaseLockCount(datasetLockMode);
+ //IS and IX holders are implicitly handled.
+ }
+ //add entityInfo to JobInfo's holding-resource list
+ jobInfo.addHoldingResource(entityInfo);
+
+ return entityInfo;
+ } else {
+ //considered as upgrader
+ waiterCount = handleLockWaiter(dLockInfo, -1, entityInfo, true, true, txnContext, jobInfo, -1);
+ if (waiterCount > 0) {
+ entityInfoManager.increaseDatasetLockCount(entityInfo);
+ if (entityHashValue == -1) {
+ dLockInfo.increaseLockCount(datasetLockMode);
+ dLockInfo.addHolder(entityInfo);
+ } else {
+ dLockInfo.increaseLockCount(datasetLockMode);
+ //IS and IX holders are implicitly handled.
+ }
+ //add entityInfo to JobInfo's holding-resource list
+ jobInfo.addHoldingResource(entityInfo);
+ }
+ return entityInfo;
+ }
+ }
+ /////////////////////////////////////////////////////////////////////////////////////////////
+
+ waiterCount = handleLockWaiter(dLockInfo, -1, entityInfo, false, true, txnContext, jobInfo, -1);
+ } else {
+ waiterCount = 1;
+ }
+
+ if (waiterCount > 0) {
+ entityInfoManager.increaseDatasetLockCount(entityInfo);
+ if (entityHashValue == -1) {
+ dLockInfo.increaseLockCount(datasetLockMode);
+ dLockInfo.addHolder(entityInfo);
+ } else {
+ dLockInfo.increaseLockCount(datasetLockMode);
+ //IS and IX holders are implicitly handled.
+ }
+ //add entityInfo to JobInfo's holding-resource list
+ jobInfo.addHoldingResource(entityInfo);
+ }
+ } else {
+ isUpgrade = isLockUpgrade(entityInfoManager.getDatasetLockMode(entityInfo), lockMode);
+ if (isUpgrade) { //upgrade call
+ //wait if any upgrader exists or upgrading lock mode is not compatible
+ if (dLockInfo.getFirstUpgrader() != -1 || !dLockInfo.isUpgradeCompatible(datasetLockMode, entityInfo)) {
+ waiterCount = handleLockWaiter(dLockInfo, -1, entityInfo, true, true, txnContext, jobInfo, -1);
+ } else {
+ waiterCount = 1;
+ }
+
+ if (waiterCount > 0) {
+ //add ((the number of waiting upgrader) - 1) to entityInfo's dataset lock count and datasetLockInfo's lock count
+ //where -1 is for not counting the first upgrader's request since the lock count for the first upgrader's request
+ //is already counted.
+ weakerModeLockCount = entityInfoManager.getDatasetLockCount(entityInfo);
+ entityInfoManager.setDatasetLockMode(entityInfo, lockMode);
+ entityInfoManager.increaseDatasetLockCount(entityInfo, waiterCount - 1);
+
+ if (entityHashValue == -1) { //dataset-granule lock
+ dLockInfo.increaseLockCount(LockMode.X, weakerModeLockCount + waiterCount - 1);//new lock mode
+ dLockInfo.decreaseLockCount(LockMode.S, weakerModeLockCount);//current lock mode
+ } else {
+ dLockInfo.increaseLockCount(LockMode.IX, weakerModeLockCount + waiterCount - 1);
+ dLockInfo.decreaseLockCount(LockMode.IS, weakerModeLockCount);
+ }
+ }
+ } else { //duplicated call
+ entityInfoManager.increaseDatasetLockCount(entityInfo);
+ datasetLockMode = entityInfoManager.getDatasetLockMode(entityInfo);
+
+ if (entityHashValue == -1) { //dataset-granule
+ dLockInfo.increaseLockCount(datasetLockMode);
+ } else { //entity-granule
+ datasetLockMode = datasetLockMode == LockMode.S ? LockMode.IS : LockMode.IX;
+ dLockInfo.increaseLockCount(datasetLockMode);
+ }
}
}
- synchronized (context) {
- context.setStatus(TransactionContext.ACTIVE_STATUS);
- context.setStartWaitTime(TransactionContext.INVALID_TIME);
- }
+ return entityInfo;
+ }
- synchronized (lmTables) {
- txrInfo = lmTables.getTxrInfo(txId);
- if (txrInfo == null) {
- throw new ACIDException("Transaction " + txId + " removed from Txr Table Unexpectedlly");
+ private void lockEntityGranule(DatasetId datasetId, int entityHashValue, byte lockMode,
+ int entityInfoFromDLockInfo, TransactionContext txnContext) throws ACIDException {
+ JobId jobId = txnContext.getJobId();
+ int jId = jobId.getId(); //int-type jobId
+ int waiterObjId;
+ int eLockInfo = -1;
+ int entityInfo;
+ DatasetLockInfo dLockInfo;
+ JobInfo jobInfo;
+ boolean isUpgrade = false;
+ int waiterCount = 0;
+ int weakerModeLockCount;
+
+ dLockInfo = datasetResourceHT.get(datasetId);
+ jobInfo = jobHT.get(jobId);
+ eLockInfo = dLockInfo.getEntityResourceHT().get(entityHashValue);
+
+ if (eLockInfo != -1) {
+ //check duplicated call
+
+ //1. lock request causing duplicated upgrading requests from different threads in a same job
+ waiterObjId = entityLockInfoManager.findUpgraderFromUpgraderList(eLockInfo, jId, entityHashValue);
+ if (waiterObjId != -1) {
+ entityInfo = lockWaiterManager.getLockWaiter(waiterObjId).getEntityInfoSlot();
+ waiterCount = handleLockWaiter(dLockInfo, eLockInfo, -1, true, false, txnContext, jobInfo, waiterObjId);
+
+ if (waiterCount > 0) {
+ weakerModeLockCount = entityInfoManager.getEntityLockCount(entityInfo);
+ entityInfoManager.setEntityLockMode(entityInfo, LockMode.X);
+ entityInfoManager.increaseEntityLockCount(entityInfo, waiterCount - 1);
+
+ entityLockInfoManager.increaseLockCount(eLockInfo, LockMode.X, (short) (weakerModeLockCount
+ + waiterCount - 1));//new lock mode
+ entityLockInfoManager.decreaseLockCount(eLockInfo, LockMode.S, (short) weakerModeLockCount);//old lock mode
+ }
+ return;
}
- txrInfo.addGrantedLock(resourceID, mode);
- txrInfo.setWaitOnRid(null);
- }
- return true; // Arriving here when Txr wakes up and it successfully
- // locks the resource
+ //2. lock request causing duplicated waiting requests from different threads in a same job
+ waiterObjId = entityLockInfoManager.findWaiterFromWaiterList(eLockInfo, jId, entityHashValue);
+ if (waiterObjId != -1) {
+ entityInfo = lockWaiterManager.getLockWaiter(waiterObjId).getEntityInfoSlot();
+ waiterCount = handleLockWaiter(dLockInfo, eLockInfo, -1, false, false, txnContext, jobInfo, waiterObjId);
+
+ if (waiterCount > 0) {
+ entityInfoManager.increaseEntityLockCount(entityInfo, waiterCount);
+ entityLockInfoManager.increaseLockCount(eLockInfo, lockMode, (short) waiterCount);
+ entityLockInfoManager.addHolder(eLockInfo, entityInfo);
+ }
+ return;
+ }
+
+ //3. lock request causing duplicated holding requests from different threads or a single thread in a same job
+ entityInfo = entityLockInfoManager.findEntityInfoFromHolderList(eLockInfo, jId, entityHashValue);
+ if (entityInfo != -1) {//duplicated call or upgrader
+
+ isUpgrade = isLockUpgrade(entityInfoManager.getEntityLockMode(entityInfo), lockMode);
+ if (isUpgrade) {//upgrade call
+ //wait if any upgrader exists or upgrading lock mode is not compatible
+ if (entityLockInfoManager.getUpgrader(eLockInfo) != -1
+ || !entityLockInfoManager.isUpgradeCompatible(eLockInfo, lockMode, entityInfo)) {
+ waiterCount = handleLockWaiter(dLockInfo, eLockInfo, entityInfo, true, false, txnContext,
+ jobInfo, -1);
+ } else {
+ waiterCount = 1;
+ }
+
+ if (waiterCount > 0) {
+ weakerModeLockCount = entityInfoManager.getEntityLockCount(entityInfo);
+ entityInfoManager.setEntityLockMode(entityInfo, lockMode);
+ entityInfoManager.increaseEntityLockCount(entityInfo, waiterCount - 1);
+
+ entityLockInfoManager.increaseLockCount(eLockInfo, LockMode.X, (short) (weakerModeLockCount
+ + waiterCount - 1));//new lock mode
+ entityLockInfoManager.decreaseLockCount(eLockInfo, LockMode.S, (short) weakerModeLockCount);//old lock mode
+ }
+
+ } else {//duplicated call
+ entityInfoManager.increaseEntityLockCount(entityInfo);
+ entityLockInfoManager.increaseLockCount(eLockInfo, entityInfoManager.getEntityLockMode(entityInfo));
+ }
+ } else {//new call from this job, but still eLockInfo exists since other threads hold it or wait on it
+ entityInfo = entityInfoFromDLockInfo;
+ if (entityLockInfoManager.getUpgrader(eLockInfo) != -1
+ || entityLockInfoManager.getFirstWaiter(eLockInfo) != -1
+ || !entityLockInfoManager.isCompatible(eLockInfo, lockMode)) {
+ waiterCount = handleLockWaiter(dLockInfo, eLockInfo, entityInfo, false, false, txnContext, jobInfo,
+ -1);
+ } else {
+ waiterCount = 1;
+ }
+
+ if (waiterCount > 0) {
+ entityInfoManager.increaseEntityLockCount(entityInfo, waiterCount);
+ entityLockInfoManager.increaseLockCount(eLockInfo, lockMode, (short) waiterCount);
+ entityLockInfoManager.addHolder(eLockInfo, entityInfo);
+ }
+ }
+ } else {//eLockInfo doesn't exist, so this lock request is the first request and can be granted without waiting.
+ eLockInfo = entityLockInfoManager.allocate();
+ dLockInfo.getEntityResourceHT().put(entityHashValue, eLockInfo);
+ entityInfoManager.increaseEntityLockCount(entityInfoFromDLockInfo);
+ entityLockInfoManager.increaseLockCount(eLockInfo, lockMode);
+ entityLockInfoManager.addHolder(eLockInfo, entityInfoFromDLockInfo);
+ }
}
@Override
- public boolean convertLock(TransactionContext context, byte[] resourceID, int mode) throws ACIDException {
- long txId = context.getTransactionID();
- int curMode = -1;
- TxrInfo txrInfo = null;
- LockInfo lInfo = null;
- synchronized (lmTables) {
- txrInfo = lmTables.getTxrInfo(txId);
-
- if (txrInfo == null) {
- throw new ACIDException("No lock is granted to the transaction, to convert");
- }
-
- TInfo tInfo = txrInfo.getTxrInfo(resourceID, LockInfo.ANY_LOCK_MODE, TxrInfo.NOT_KNOWN_IX);
- if (tInfo == null) {
- throw new ACIDException("No lock is granted to the transaction on the resource, to convert");
- }
-
- curMode = tInfo.getMode();
- if (mode == curMode) { // Redundant
- return true; // We do not increment the counter, because it is a
- // conversion
- }
-
- if (!lMtx.isConversion(curMode, mode)) {
- if (LOGGER.isLoggable(Level.INFO)) {
- LOGGER.info("Transaction " + txId + " already has grabbed a stronger mode (" + curMode + ") than "
- + mode);
- }
-
- return true;
- }
-
- lInfo = lmTables.getLockInfo(resourceID);
- if (lInfo == null) {
- throw new ACIDException("No lock on the resource, to convert");
- }
- }
-
- try {
- return convertLockForNewTransaction(context, resourceID, curMode, mode);
- } catch (InterruptedException e) {
- e.printStackTrace();
- }
-
- throw new ACIDException("Problem in Lock Converting for Transaction " + txId
- + " (We unexpectedly returned from convert lock for new transaction)");
+ public void unlock(DatasetId datasetId, int entityHashValue, TransactionContext txnContext) throws ACIDException {
+ internalUnlock(datasetId, entityHashValue, txnContext, false);
}
- private boolean convertLockForNewTransaction(TransactionContext context, byte[] resourceId, int curMode, int reqMode)
- throws ACIDException, InterruptedException {
- long txId = context.getTransactionID();
- WaitEntry waitObj = null;
- boolean shouldAbort = false;
- TxrInfo txrInfo = null;
- synchronized (lmTables) {
- LockInfo lInfo = lmTables.getLockInfo(resourceId);
- txrInfo = lmTables.getTxrInfo(txId);
- // ---Check if the conversion is already done---
- int eix = lInfo.findInGrantedList(txId, reqMode);
- if (eix != LockInfo.NOT_FOUND) {
- if (LOGGER.isLoggable(Level.INFO)) {
- LOGGER.info("Conversion already done for Transaction " + txId + " for lock " + reqMode
- + " on resource ");
- }
- return true;
- }
- // --------------------------------------------
+ @Override
+ public void unlock(DatasetId datasetId, int entityHashValue, TransactionContext txnContext, boolean commitFlag)
+ throws ACIDException {
+ internalUnlock(datasetId, entityHashValue, txnContext, commitFlag);
+ }
- int updatedMask = lInfo.getUpdatedMask(txId, curMode, LockInfo.UNKNOWN_IX);
- if (lMtx.conflicts(updatedMask, reqMode)) { // if Conflicting, Txr
- // needs to wait
+ private void internalUnlock(DatasetId datasetId, int entityHashValue, TransactionContext txnContext,
+ boolean commitFlag) throws ACIDException {
+ JobId jobId = txnContext.getJobId();
+ int eLockInfo = -1;
+ DatasetLockInfo dLockInfo = null;
+ JobInfo jobInfo;
+ int entityInfo = -1;
- // ---- Deadlock Detection ---
- if (!isDeadlockFree(txId, resourceId)) {
- if (LOGGER.isLoggable(Level.INFO)) {
- LOGGER.info("DEADLOCK DETECTED IN CONVERSION FOR TRANSACTION ");
- }
- context.setStatus(TransactionContext.TIMED_OUT_SATUS);
- shouldAbort = true;
- }
- // ---------------------------
-
- else {
- waitObj = woManager.allocate();
- if (waitObj == null) {
- throw new ACIDException("Invalid (null) object allocated as the WaitEntry for Txr " + txId);
- }
- lInfo.addToConvert(txId, reqMode, waitObj);
- txrInfo.setWaitOnRid(resourceId);
- context.setStartWaitTime(System.currentTimeMillis());
- }
- }
-
- else { // no conflicts, grant it
- lInfo.removeFromGranted(txId, curMode, LockInfo.UNKNOWN_IX);
- lInfo.addToGranted(txId, reqMode, LockInfo.NOT_FOUND);
- txrInfo.removeLock(resourceId, curMode, TxrInfo.NOT_KNOWN_IX);
- txrInfo.addGrantedLock(resourceId, reqMode);
- if (LOGGER.isLoggable(Level.INFO)) {
- LOGGER.info("Transaction " + txId + " could convert to " + reqMode + " lock on resource ");
- }
- return true;
+ if (IS_DEBUG_MODE) {
+ if (entityHashValue == -1) {
+ throw new UnsupportedOperationException(
+ "Unsupported unlock request: dataset-granule unlock is not supported");
}
}
- if (shouldAbort) {
- requestTxrAbort(context);
- return false;
+ latchLockTable();
+ validateJob(txnContext);
+
+ if (IS_DEBUG_MODE) {
+ trackLockRequest("Requested", RequestType.UNLOCK, datasetId, entityHashValue, (byte) 0, txnContext,
+ dLockInfo, eLockInfo);
}
- // Txr needs to wait, and it is safe
- synchronized (waitObj) {
- if (LOGGER.isLoggable(Level.INFO)) {
- LOGGER.info("Transaction " + txId + " needs to wait for convert " + reqMode);
- }
- while (waitObj.needWait()) {
+ //find the resource to be unlocked
+ dLockInfo = datasetResourceHT.get(datasetId);
+ jobInfo = jobHT.get(jobId);
+ if (dLockInfo == null || jobInfo == null) {
+ unlatchLockTable();
+ throw new IllegalStateException("Invalid unlock request: Corresponding lock info doesn't exist.");
+ }
- waitObj.wait();
- }
+ eLockInfo = dLockInfo.getEntityResourceHT().get(entityHashValue);
- if (context.getStatus() == TransactionContext.TIMED_OUT_SATUS) { // selected
- // as
- // a
- // victim
- requestTxrAbort(context);
- woManager.deAllocate(waitObj);
- if (LOGGER.isLoggable(Level.INFO)) {
- LOGGER.info("Transaction " + txId + " wakes up and victimied for convert " + reqMode);
+ if (eLockInfo == -1) {
+ unlatchLockTable();
+ throw new IllegalStateException("Invalid unlock request: Corresponding lock info doesn't exist.");
+ }
+
+ //find the corresponding entityInfo
+ entityInfo = entityLockInfoManager.findEntityInfoFromHolderList(eLockInfo, jobId.getId(), entityHashValue);
+ if (entityInfo == -1) {
+ unlatchLockTable();
+ throw new IllegalStateException("Invalid unlock request[" + jobId.getId() + "," + datasetId.getId() + ","
+ + entityHashValue + "]: Corresponding lock info doesn't exist.");
+ }
+
+ //decrease the corresponding count of dLockInfo/eLockInfo/entityInfo
+ dLockInfo.decreaseLockCount(entityInfoManager.getDatasetLockMode(entityInfo) == LockMode.S ? LockMode.IS
+ : LockMode.IX);
+ entityLockInfoManager.decreaseLockCount(eLockInfo, entityInfoManager.getEntityLockMode(entityInfo));
+ entityInfoManager.decreaseDatasetLockCount(entityInfo);
+ entityInfoManager.decreaseEntityLockCount(entityInfo);
+
+ if (entityInfoManager.getEntityLockCount(entityInfo) == 0
+ && entityInfoManager.getDatasetLockCount(entityInfo) == 0) {
+ int threadCount = 0; //number of threads(in the same job) waiting on the same resource
+ int waiterObjId = jobInfo.getFirstWaitingResource();
+ int waitingEntityInfo;
+ LockWaiter waiterObj;
+
+ //TODO
+ //This code should be taken care properly when there is a way to avoid doubling memory space for txnIds.
+ //This commit log is written here in order to avoid increasing the memory space for managing transactionIds
+ if (commitFlag) {
+ if (txnContext.getTransactionType().equals(TransactionContext.TransactionType.READ_WRITE)) {
+ try {
+ txnSubsystem.getLogManager().log(LogType.ENTITY_COMMIT, txnContext, datasetId.getId(),
+ entityHashValue, -1, (byte) 0, 0, null, null, logicalLogLocator);
+ } catch (ACIDException e) {
+ try {
+ requestAbort(txnContext);
+ } finally {
+ unlatchLockTable();
+ }
+ }
}
+
+ txnContext.updateLastLSNForIndexes(logicalLogLocator.getLsn());
+ }
+
+ //1) wake up waiters and remove holder
+ //wake up waiters of dataset-granule lock
+ wakeUpDatasetLockWaiters(dLockInfo);
+ //wake up waiters of entity-granule lock
+ wakeUpEntityLockWaiters(eLockInfo);
+ //remove the holder from eLockInfo's holder list and remove the holding resource from jobInfo's holding resource list
+ //this can be done in the following single function call.
+ entityLockInfoManager.removeHolder(eLockInfo, entityInfo, jobInfo);
+
+ //2) if
+ // there is no waiting thread on the same resource (this can be checked through jobInfo)
+ // then
+ // a) delete the corresponding entityInfo
+ // b) write commit log for the unlocked resource(which is a committed txn).
+ while (waiterObjId != -1) {
+ waiterObj = lockWaiterManager.getLockWaiter(waiterObjId);
+ waitingEntityInfo = waiterObj.getEntityInfoSlot();
+ if (entityInfoManager.getDatasetId(waitingEntityInfo) == datasetId.getId()
+ && entityInfoManager.getPKHashVal(waitingEntityInfo) == entityHashValue) {
+ threadCount++;
+ break;
+ }
+ waiterObjId = waiterObj.getNextWaiterObjId();
+ }
+ if (threadCount == 0) {
+ if (entityInfoManager.getEntityLockMode(entityInfo) == LockMode.X) {
+ //TODO
+ //write a commit log for the unlocked resource
+ //need to figure out that instantLock() also needs to write a commit log.
+ }
+ entityInfoManager.deallocate(entityInfo);
+ }
+ }
+
+ //deallocate entityLockInfo's slot if there is no txn referring to the entityLockInfo.
+ if (entityLockInfoManager.getFirstWaiter(eLockInfo) == -1
+ && entityLockInfoManager.getLastHolder(eLockInfo) == -1
+ && entityLockInfoManager.getUpgrader(eLockInfo) == -1) {
+ dLockInfo.getEntityResourceHT().remove(entityHashValue);
+ entityLockInfoManager.deallocate(eLockInfo);
+ }
+
+ //we don't deallocate datasetLockInfo even if there is no txn referring to the datasetLockInfo
+ //since the datasetLockInfo is likely to be referred to again.
+
+ if (IS_DEBUG_MODE) {
+ trackLockRequest("Granted", RequestType.UNLOCK, datasetId, entityHashValue, (byte) 0, txnContext,
+ dLockInfo, eLockInfo);
+ }
+ unlatchLockTable();
+ }
+
+ @Override
+ public void releaseLocks(TransactionContext txnContext) throws ACIDException {
+ LockWaiter waiterObj;
+ int entityInfo;
+ int prevEntityInfo;
+ int entityHashValue;
+ DatasetLockInfo dLockInfo = null;
+ int eLockInfo = -1;
+ int did;//int-type dataset id
+ int datasetLockCount;
+ int entityLockCount;
+ byte lockMode;
+ boolean existWaiter = false;
+
+ JobId jobId = txnContext.getJobId();
+
+ latchLockTable();
+
+ if (IS_DEBUG_MODE) {
+ trackLockRequest("Requested", RequestType.RELEASE_LOCKS, new DatasetId(0), 0, (byte) 0, txnContext,
+ dLockInfo, eLockInfo);
+ }
+
+ JobInfo jobInfo = jobHT.get(jobId);
+ if (jobInfo == null) {
+ unlatchLockTable();
+ return;
+ }
+
+ //remove waiterObj of JobInfo
+ //[Notice]
+ //waiterObjs may exist if aborted thread is the caller of this function.
+ //Even if there are the waiterObjs, there is no waiting thread on the objects.
+ //If the caller of this function is an aborted thread, it is guaranteed that there is no waiting threads
+ //on the waiterObjs since when the aborted caller thread is waken up, all other waiting threads are
+ //also waken up at the same time through 'notifyAll()' call.
+ //In contrast, if the caller of this function is not an aborted thread, then there is no waiting object.
+ int waiterObjId = jobInfo.getFirstWaitingResource();
+ int nextWaiterObjId;
+ while (waiterObjId != -1) {
+ existWaiter = true;
+ waiterObj = lockWaiterManager.getLockWaiter(waiterObjId);
+ nextWaiterObjId = waiterObj.getNextWaitingResourceObjId();
+ entityInfo = waiterObj.getEntityInfoSlot();
+ if (IS_DEBUG_MODE) {
+ if (jobId.getId() != entityInfoManager.getJobId(entityInfo)) {
+ throw new IllegalStateException("JobInfo(" + jobId + ") has diffrent Job(JID:"
+ + entityInfoManager.getJobId(entityInfo) + "'s lock request!!!");
+ }
+ }
+
+ //1. remove from waiter(or upgrader)'s list of dLockInfo or eLockInfo.
+ did = entityInfoManager.getDatasetId(entityInfo);
+ tempDatasetIdObj.setId(did);
+ dLockInfo = datasetResourceHT.get(tempDatasetIdObj);
+
+ if (waiterObj.isWaitingOnEntityLock()) {
+ entityHashValue = entityInfoManager.getPKHashVal(entityInfo);
+ eLockInfo = dLockInfo.getEntityResourceHT().get(entityHashValue);
+ if (waiterObj.isWaiter()) {
+ entityLockInfoManager.removeWaiter(eLockInfo, waiterObjId);
+ } else {
+ entityLockInfoManager.removeUpgrader(eLockInfo, waiterObjId);
+ }
+ } else {
+ if (waiterObj.isWaiter()) {
+ dLockInfo.removeWaiter(waiterObjId);
+ } else {
+ dLockInfo.removeUpgrader(waiterObjId);
+ }
+ }
+
+ //2. wake-up waiters
+ latchWaitNotify();
+ synchronized (waiterObj) {
+ unlatchWaitNotify();
+ waiterObj.setWait(false);
+ if (IS_DEBUG_MODE) {
+ System.out.println("" + Thread.currentThread().getName() + "\twake-up(D): WID(" + waiterObjId
+ + "),EID(" + waiterObj.getEntityInfoSlot() + ")");
+ }
+ waiterObj.notifyAll();
+ }
+
+ //3. deallocate waiterObj
+ lockWaiterManager.deallocate(waiterObjId);
+
+ //4. deallocate entityInfo only if this waiter is not an upgrader
+ if (entityInfoManager.getDatasetLockCount(entityInfo) == 0
+ && entityInfoManager.getEntityLockCount(entityInfo) == 0) {
+ entityInfoManager.deallocate(entityInfo);
+ }
+ waiterObjId = nextWaiterObjId;
+ }
+
+ //release holding resources
+ entityInfo = jobInfo.getLastHoldingResource();
+ while (entityInfo != -1) {
+ prevEntityInfo = entityInfoManager.getPrevJobResource(entityInfo);
+
+ //decrease lock count of datasetLock and entityLock
+ did = entityInfoManager.getDatasetId(entityInfo);
+ tempDatasetIdObj.setId(did);
+ dLockInfo = datasetResourceHT.get(tempDatasetIdObj);
+ entityHashValue = entityInfoManager.getPKHashVal(entityInfo);
+
+ if (entityHashValue == -1) {
+ //decrease datasetLockCount
+ lockMode = entityInfoManager.getDatasetLockMode(entityInfo);
+ datasetLockCount = entityInfoManager.getDatasetLockCount(entityInfo);
+ if (datasetLockCount != 0) {
+ dLockInfo.decreaseLockCount(lockMode, datasetLockCount);
+
+ //wakeup waiters of datasetLock and remove holder from datasetLockInfo
+ wakeUpDatasetLockWaiters(dLockInfo);
+
+ //remove the holder from datasetLockInfo only if the lock is dataset-granule lock.
+ //--> this also removes the holding resource from jobInfo
+ //(Because the IX and IS lock's holders are handled implicitly,
+ //those are not in the holder list of datasetLockInfo.)
+ dLockInfo.removeHolder(entityInfo, jobInfo);
+ }
+ } else {
+ //decrease datasetLockCount
+ lockMode = entityInfoManager.getDatasetLockMode(entityInfo);
+ lockMode = lockMode == LockMode.S ? LockMode.IS : LockMode.IX;
+ datasetLockCount = entityInfoManager.getDatasetLockCount(entityInfo);
+
+ if (datasetLockCount != 0) {
+ dLockInfo.decreaseLockCount(lockMode, datasetLockCount);
+ }
+
+ //decrease entityLockCount
+ lockMode = entityInfoManager.getEntityLockMode(entityInfo);
+ entityLockCount = entityInfoManager.getEntityLockCount(entityInfo);
+ eLockInfo = dLockInfo.getEntityResourceHT().get(entityHashValue);
+ if (IS_DEBUG_MODE) {
+ if (eLockInfo < 0) {
+ System.out.println("eLockInfo:" + eLockInfo);
+ }
+ }
+
+ if (entityLockCount != 0) {
+ entityLockInfoManager.decreaseLockCount(eLockInfo, lockMode, (short) entityLockCount);
+ }
+
+ if (datasetLockCount != 0) {
+ //wakeup waiters of datasetLock and don't remove holder from datasetLockInfo
+ wakeUpDatasetLockWaiters(dLockInfo);
+ }
+
+ if (entityLockCount != 0) {
+ //wakeup waiters of entityLock
+ wakeUpEntityLockWaiters(eLockInfo);
+
+ //remove the holder from entityLockInfo
+ //--> this also removes the holding resource from jobInfo
+ entityLockInfoManager.removeHolder(eLockInfo, entityInfo, jobInfo);
+ }
+
+ //deallocate entityLockInfo if there is no holder and waiter.
+ if (entityLockInfoManager.getLastHolder(eLockInfo) == -1
+ && entityLockInfoManager.getFirstWaiter(eLockInfo) == -1
+ && entityLockInfoManager.getUpgrader(eLockInfo) == -1) {
+ dLockInfo.getEntityResourceHT().remove(entityHashValue);
+ entityLockInfoManager.deallocate(eLockInfo);
+ // if (IS_DEBUG_MODE) {
+ // System.out.println("removed PK["+entityHashValue+"]");
+ // }
+ }
+ }
+
+ //deallocate entityInfo
+ entityInfoManager.deallocate(entityInfo);
+ // if (IS_DEBUG_MODE) {
+ // System.out.println("dellocate EntityInfo["+entityInfo+"]");
+ // }
+
+ entityInfo = prevEntityInfo;
+ }
+
+ //remove JobInfo
+ jobHT.remove(jobId);
+
+ if (existWaiter) {
+ txnContext.setStatus(TransactionContext.TIMED_OUT_STATUS);
+ txnContext.setTxnState(TransactionState.ABORTED);
+ }
+
+ if (IS_DEBUG_MODE) {
+ trackLockRequest("Granted", RequestType.RELEASE_LOCKS, new DatasetId(0), 0, (byte) 0, txnContext,
+ dLockInfo, eLockInfo);
+ }
+ unlatchLockTable();
+ }
+
+ @Override
+ public void instantLock(DatasetId datasetId, int entityHashValue, byte lockMode, TransactionContext txnContext)
+ throws ACIDException {
+
+ // try {
+ // internalLock(datasetId, entityHashValue, lockMode, txnContext);
+ // return;
+ // } finally {
+ // unlock(datasetId, entityHashValue, txnContext);
+ // }
+ internalLock(datasetId, entityHashValue, lockMode, txnContext);
+ unlock(datasetId, entityHashValue, txnContext);
+ }
+
+ @Override
+ public boolean tryLock(DatasetId datasetId, int entityHashValue, byte lockMode, TransactionContext txnContext)
+ throws ACIDException {
+ return internalTryLock(datasetId, entityHashValue, lockMode, txnContext);
+ }
+
+ @Override
+ public boolean instantTryLock(DatasetId datasetId, int entityHashValue, byte lockMode, TransactionContext txnContext)
+ throws ACIDException {
+ boolean isGranted = false;
+ // try {
+ // isGranted = internalTryLock(datasetId, entityHashValue, lockMode, txnContext);
+ // return isGranted;
+ // } finally {
+ // if (isGranted) {
+ // unlock(datasetId, entityHashValue, txnContext);
+ // }
+ // }
+ isGranted = internalTryLock(datasetId, entityHashValue, lockMode, txnContext);
+ if (isGranted) {
+ unlock(datasetId, entityHashValue, txnContext);
+ }
+ return isGranted;
+ }
+
+ private boolean internalTryLock(DatasetId datasetId, int entityHashValue, byte lockMode,
+ TransactionContext txnContext) throws ACIDException {
+ JobId jobId = txnContext.getJobId();
+ int jId = jobId.getId(); //int-type jobId
+ int dId = datasetId.getId(); //int-type datasetId
+ int entityInfo;
+ int eLockInfo = -1;
+ DatasetLockInfo dLockInfo = null;
+ JobInfo jobInfo;
+ byte datasetLockMode = entityHashValue == -1 ? lockMode : lockMode == LockMode.S ? LockMode.IS : LockMode.IX;
+ boolean isSuccess = false;
+
+ latchLockTable();
+ validateJob(txnContext);
+
+ if (IS_DEBUG_MODE) {
+ trackLockRequest("Requested", RequestType.TRY_LOCK, datasetId, entityHashValue, lockMode, txnContext,
+ dLockInfo, eLockInfo);
+ }
+
+ dLockInfo = datasetResourceHT.get(datasetId);
+ jobInfo = jobHT.get(jobId);
+
+ //#. if the datasetLockInfo doesn't exist in datasetResourceHT
+ if (dLockInfo == null || dLockInfo.isNoHolder()) {
+ if (dLockInfo == null) {
+ dLockInfo = new DatasetLockInfo(entityLockInfoManager, entityInfoManager, lockWaiterManager);
+ datasetResourceHT.put(new DatasetId(dId), dLockInfo); //datsetId obj should be created
+ }
+ entityInfo = entityInfoManager.allocate(jId, dId, entityHashValue, lockMode);
+
+ //if dataset-granule lock
+ if (entityHashValue == -1) { //-1 stands for dataset-granule
+ entityInfoManager.increaseDatasetLockCount(entityInfo);
+ dLockInfo.increaseLockCount(datasetLockMode);
+ dLockInfo.addHolder(entityInfo);
+ } else {
+ entityInfoManager.increaseDatasetLockCount(entityInfo);
+ dLockInfo.increaseLockCount(datasetLockMode);
+ //add entityLockInfo
+ eLockInfo = entityLockInfoManager.allocate();
+ dLockInfo.getEntityResourceHT().put(entityHashValue, eLockInfo);
+ entityInfoManager.increaseEntityLockCount(entityInfo);
+ entityLockInfoManager.increaseLockCount(eLockInfo, lockMode);
+ entityLockInfoManager.addHolder(eLockInfo, entityInfo);
+ }
+
+ if (jobInfo == null) {
+ jobInfo = new JobInfo(entityInfoManager, lockWaiterManager, txnContext);
+ jobHT.put(jobId, jobInfo); //jobId obj doesn't have to be created
+ }
+ jobInfo.addHoldingResource(entityInfo);
+
+ if (IS_DEBUG_MODE) {
+ trackLockRequest("Granted", RequestType.TRY_LOCK, datasetId, entityHashValue, lockMode, txnContext,
+ dLockInfo, eLockInfo);
+ }
+
+ unlatchLockTable();
+ return true;
+ }
+
+ //#. the datasetLockInfo exists in datasetResourceHT.
+ //1. handle dataset-granule lock
+ tryLockDatasetGranuleRevertOperation = 0;
+ entityInfo = tryLockDatasetGranule(datasetId, entityHashValue, lockMode, txnContext);
+ if (entityInfo == -2) {//-2 represents fail
+ isSuccess = false;
+ } else {
+ //2. handle entity-granule lock
+ if (entityHashValue != -1) {
+ isSuccess = tryLockEntityGranule(datasetId, entityHashValue, lockMode, entityInfo, txnContext);
+ if (!isSuccess) {
+ revertTryLockDatasetGranuleOperation(datasetId, entityHashValue, lockMode, entityInfo, txnContext);
+ }
+ }
+ }
+
+ if (IS_DEBUG_MODE) {
+ if (isSuccess) {
+ trackLockRequest("Granted", RequestType.TRY_LOCK, datasetId, entityHashValue, lockMode, txnContext,
+ dLockInfo, eLockInfo);
+ } else {
+ trackLockRequest("Failed", RequestType.TRY_LOCK, datasetId, entityHashValue, lockMode, txnContext,
+ dLockInfo, eLockInfo);
+ }
+ }
+
+ unlatchLockTable();
+
+ return isSuccess;
+ }
+
+ private void trackLockRequest(String msg, int requestType, DatasetId datasetIdObj, int entityHashValue,
+ byte lockMode, TransactionContext txnContext, DatasetLockInfo dLockInfo, int eLockInfo) {
+ StringBuilder s = new StringBuilder();
+ LockRequest request = new LockRequest(Thread.currentThread().getName(), requestType, datasetIdObj,
+ entityHashValue, lockMode, txnContext);
+ s.append(Thread.currentThread().getId() + ":");
+ s.append(msg);
+ if (msg.equals("Granted")) {
+ if (dLockInfo != null) {
+ s.append("\t|D| ");
+ s.append(dLockInfo.getIXCount()).append(",");
+ s.append(dLockInfo.getISCount()).append(",");
+ s.append(dLockInfo.getXCount()).append(",");
+ s.append(dLockInfo.getSCount()).append(",");
+ if (dLockInfo.getFirstUpgrader() != -1) {
+ s.append("+");
+ } else {
+ s.append("-");
+ }
+ s.append(",");
+ if (dLockInfo.getFirstWaiter() != -1) {
+ s.append("+");
+ } else {
+ s.append("-");
+ }
+ }
+
+ if (eLockInfo != -1) {
+ s.append("\t|E| ");
+ s.append(entityLockInfoManager.getXCount(eLockInfo)).append(",");
+ s.append(entityLockInfoManager.getSCount(eLockInfo)).append(",");
+ if (entityLockInfoManager.getUpgrader(eLockInfo) != -1) {
+ s.append("+");
+ } else {
+ s.append("-");
+ }
+ s.append(",");
+ if (entityLockInfoManager.getFirstWaiter(eLockInfo) != -1) {
+ s.append("+");
+ } else {
+ s.append("-");
+ }
+ }
+ }
+
+ lockRequestTracker.addEvent(s.toString(), request);
+ if (msg.equals("Requested")) {
+ lockRequestTracker.addRequest(request);
+ }
+ System.out.println(request.prettyPrint() + "--> " + s.toString());
+ }
+
+ public String getHistoryForAllJobs() {
+ if (IS_DEBUG_MODE) {
+ return lockRequestTracker.getHistoryForAllJobs();
+ }
+ return null;
+ }
+
+ public String getHistoryPerJob() {
+ if (IS_DEBUG_MODE) {
+ return lockRequestTracker.getHistoryPerJob();
+ }
+ return null;
+ }
+
+ public String getRequestHistoryForAllJobs() {
+ if (IS_DEBUG_MODE) {
+ return lockRequestTracker.getRequestHistoryForAllJobs();
+ }
+ return null;
+ }
+
+ private void revertTryLockDatasetGranuleOperation(DatasetId datasetId, int entityHashValue, byte lockMode,
+ int entityInfo, TransactionContext txnContext) {
+ JobId jobId = txnContext.getJobId();
+ DatasetLockInfo dLockInfo;
+ JobInfo jobInfo;
+ int lockCount;
+ byte datasetLockMode = entityHashValue == -1 ? lockMode : lockMode == LockMode.S ? LockMode.IS : LockMode.IX;
+
+ dLockInfo = datasetResourceHT.get(datasetId);
+ jobInfo = jobHT.get(jobId);
+
+ //see tryLockDatasetGranule() function to know the revert operation
+ switch (tryLockDatasetGranuleRevertOperation) {
+
+ case 1://[revertOperation1]: reverting 'adding a holder'
+
+ if (entityHashValue == -1) {
+ dLockInfo.decreaseLockCount(datasetLockMode);
+ dLockInfo.removeHolder(entityInfo, jobInfo); //--> this call removes entityInfo from JobInfo's holding-resource-list as well.
+ } else {
+ dLockInfo.decreaseLockCount(datasetLockMode);
+ jobInfo.removeHoldingResource(entityInfo);
+ }
+ entityInfoManager.decreaseDatasetLockCount(entityInfo);
+ if (jobInfo.getLastHoldingResource() == -1 && jobInfo.getFirstWaitingResource() == -1) {
+ jobHT.remove(jobId);
+ }
+ entityInfoManager.deallocate(entityInfo);
+ break;
+
+ case 2://[revertOperation2]: reverting 'adding an upgrader'
+ lockCount = entityInfoManager.getDatasetLockCount(entityInfo);
+ if (entityHashValue == -1) { //dataset-granule lock
+ dLockInfo.decreaseLockCount(LockMode.X, lockCount);
+ dLockInfo.increaseLockCount(LockMode.S, lockCount);
+ } else {
+ dLockInfo.decreaseLockCount(LockMode.IX, lockCount);
+ dLockInfo.increaseLockCount(LockMode.IS, lockCount);
+ }
+ entityInfoManager.setDatasetLockMode(entityInfo, LockMode.S);
+ break;
+
+ case 3://[revertOperation3]: reverting 'adding a duplicated call'
+ entityInfoManager.decreaseDatasetLockCount(entityInfo);
+ datasetLockMode = entityInfoManager.getDatasetLockMode(entityInfo);
+ if (entityHashValue == -1) { //dataset-granule
+ dLockInfo.decreaseLockCount(datasetLockMode);
+ } else { //entity-granule
+ datasetLockMode = datasetLockMode == LockMode.S ? LockMode.IS : LockMode.IX;
+ dLockInfo.decreaseLockCount(datasetLockMode);
+ }
+
+ break;
+ default:
+ //do nothing;
+ }
+ }
+
+ private int tryLockDatasetGranule(DatasetId datasetId, int entityHashValue, byte lockMode,
+ TransactionContext txnContext) throws ACIDException {
+ JobId jobId = txnContext.getJobId();
+ int jId = jobId.getId(); //int-type jobId
+ int dId = datasetId.getId(); //int-type datasetId
+ int waiterObjId;
+ int entityInfo = -1;
+ DatasetLockInfo dLockInfo;
+ JobInfo jobInfo;
+ boolean isUpgrade = false;
+ int weakerModeLockCount;
+ byte datasetLockMode = entityHashValue == -1 ? lockMode : lockMode == LockMode.S ? LockMode.IS : LockMode.IX;
+
+ dLockInfo = datasetResourceHT.get(datasetId);
+ jobInfo = jobHT.get(jobId);
+
+ //check duplicated call
+
+ //1. lock request causing duplicated upgrading requests from different threads in a same job
+ waiterObjId = dLockInfo.findUpgraderFromUpgraderList(jId, entityHashValue);
+ if (waiterObjId != -1) {
+ return -2;
+ }
+
+ //2. lock request causing duplicated waiting requests from different threads in a same job
+ waiterObjId = dLockInfo.findWaiterFromWaiterList(jId, entityHashValue);
+ if (waiterObjId != -1) {
+ return -2;
+ }
+
+ //3. lock request causing duplicated holding requests from different threads or a single thread in a same job
+ entityInfo = dLockInfo.findEntityInfoFromHolderList(jId, entityHashValue);
+ if (entityInfo == -1) { //new call from this job -> doesn't mean that eLockInfo doesn't exist since another thread might have create the eLockInfo already.
+
+ //////////////////////////////////////////////////////////////////////////////////////
+ //[part of revertOperation1]
+ entityInfo = entityInfoManager.allocate(jId, dId, entityHashValue, lockMode);
+ if (jobInfo == null) {
+ jobInfo = new JobInfo(entityInfoManager, lockWaiterManager, txnContext);
+ jobHT.put(jobId, jobInfo);
+ }
+ //////////////////////////////////////////////////////////////////////////////////////
+
+ //return fail if any upgrader exists or upgrading lock mode is not compatible
+ if (dLockInfo.getFirstUpgrader() != -1 || dLockInfo.getFirstWaiter() != -1
+ || !dLockInfo.isCompatible(datasetLockMode)) {
+
+ //[Notice]
+ //There has been no same caller as (jId, dId, entityHashValue) triplet.
+ //But there could be the same caller as (jId, dId) pair.
+ //For example, two requests (J1, D1, E1) and (J1, D1, E2) are considered as duplicated call in dataset-granule perspective.
+ //Therefore, the above duplicated call case is covered in the following code.
+ //find the same dataset-granule lock request, that is, (J1, D1) pair in the above example.
+ if (jobInfo.isDatasetLockGranted(dId, LockMode.IS)) {
+ if (dLockInfo.isCompatible(datasetLockMode)) {
+ //this is duplicated call
+ entityInfoManager.increaseDatasetLockCount(entityInfo);
+ if (entityHashValue == -1) {
+ dLockInfo.increaseLockCount(datasetLockMode);
+ dLockInfo.addHolder(entityInfo);
+ } else {
+ dLockInfo.increaseLockCount(datasetLockMode);
+ //IS and IX holders are implicitly handled.
+ }
+ //add entityInfo to JobInfo's holding-resource list
+ jobInfo.addHoldingResource(entityInfo);
+
+ tryLockDatasetGranuleRevertOperation = 1;
+
+ return entityInfo;
+ }
+ }
+
+ //revert [part of revertOperation1] before return
+ if (jobInfo.getLastHoldingResource() == -1 && jobInfo.getFirstWaitingResource() == -1) {
+ jobHT.remove(jobId);
+ }
+ entityInfoManager.deallocate(entityInfo);
+
+ return -2;
+ }
+
+ //////////////////////////////////////////////////////////////////////////////////////
+ //revert the following operations if the caller thread has to wait during this call.
+ //[revertOperation1]
+ entityInfoManager.increaseDatasetLockCount(entityInfo);
+ if (entityHashValue == -1) {
+ dLockInfo.increaseLockCount(datasetLockMode);
+ dLockInfo.addHolder(entityInfo);
+ } else {
+ dLockInfo.increaseLockCount(datasetLockMode);
+ //IS and IX holders are implicitly handled.
+ }
+ //add entityInfo to JobInfo's holding-resource list
+ jobInfo.addHoldingResource(entityInfo);
+
+ //set revert operation to be reverted when tryLock() fails
+ tryLockDatasetGranuleRevertOperation = 1;
+ //////////////////////////////////////////////////////////////////////////////////////
+
+ } else {
+ isUpgrade = isLockUpgrade(entityInfoManager.getDatasetLockMode(entityInfo), lockMode);
+ if (isUpgrade) { //upgrade call
+ //return fail if any upgrader exists or upgrading lock mode is not compatible
+ if (dLockInfo.getFirstUpgrader() != -1 || !dLockInfo.isUpgradeCompatible(datasetLockMode, entityInfo)) {
+ return -2;
+ }
+
+ //update entityInfo's dataset lock count and datasetLockInfo's lock count
+ weakerModeLockCount = entityInfoManager.getDatasetLockCount(entityInfo);
+
+ //////////////////////////////////////////////////////////////////////////////////////
+ //revert the following operations if the caller thread has to wait during this call.
+ //[revertOperation2]
+ entityInfoManager.setDatasetLockMode(entityInfo, lockMode);
+
+ if (entityHashValue == -1) { //dataset-granule lock
+ dLockInfo.increaseLockCount(LockMode.X, weakerModeLockCount);//new lock mode
+ dLockInfo.decreaseLockCount(LockMode.S, weakerModeLockCount);//current lock mode
+ } else {
+ dLockInfo.increaseLockCount(LockMode.IX, weakerModeLockCount);
+ dLockInfo.decreaseLockCount(LockMode.IS, weakerModeLockCount);
+ }
+ tryLockDatasetGranuleRevertOperation = 2;
+ //////////////////////////////////////////////////////////////////////////////////////
+
+ } else { //duplicated call
+
+ //////////////////////////////////////////////////////////////////////////////////////
+ //revert the following operations if the caller thread has to wait during this call.
+ //[revertOperation3]
+ entityInfoManager.increaseDatasetLockCount(entityInfo);
+ datasetLockMode = entityInfoManager.getDatasetLockMode(entityInfo);
+
+ if (entityHashValue == -1) { //dataset-granule
+ dLockInfo.increaseLockCount(datasetLockMode);
+ } else { //entity-granule
+ datasetLockMode = datasetLockMode == LockMode.S ? LockMode.IS : LockMode.IX;
+ dLockInfo.increaseLockCount(datasetLockMode);
+ }
+
+ tryLockDatasetGranuleRevertOperation = 3;
+ //////////////////////////////////////////////////////////////////////////////////////
+
+ }
+ }
+
+ return entityInfo;
+ }
+
+ private boolean tryLockEntityGranule(DatasetId datasetId, int entityHashValue, byte lockMode,
+ int entityInfoFromDLockInfo, TransactionContext txnContext) throws ACIDException {
+ JobId jobId = txnContext.getJobId();
+ int jId = jobId.getId(); //int-type jobId
+ int waiterObjId;
+ int eLockInfo = -1;
+ int entityInfo;
+ DatasetLockInfo dLockInfo;
+ boolean isUpgrade = false;
+ int weakerModeLockCount;
+
+ dLockInfo = datasetResourceHT.get(datasetId);
+ eLockInfo = dLockInfo.getEntityResourceHT().get(entityHashValue);
+
+ if (eLockInfo != -1) {
+ //check duplicated call
+
+ //1. lock request causing duplicated upgrading requests from different threads in a same job
+ waiterObjId = entityLockInfoManager.findUpgraderFromUpgraderList(eLockInfo, jId, entityHashValue);
+ if (waiterObjId != -1) {
return false;
}
- }
- synchronized (context) {
- context.setStatus(TransactionContext.ACTIVE_STATUS);
- context.setStartWaitTime(TransactionContext.INVALID_TIME);
- }
-
- synchronized (lmTables) {
- txrInfo = lmTables.getTxrInfo(txId);
- if (txrInfo == null) {
- throw new ACIDException("Transaction " + txId + " removed from Txr Table Unexpectedlly");
+ //2. lock request causing duplicated waiting requests from different threads in a same job
+ waiterObjId = entityLockInfoManager.findWaiterFromWaiterList(eLockInfo, jId, entityHashValue);
+ if (waiterObjId != -1) {
+ return false;
}
- txrInfo.removeLock(resourceId, curMode, TxrInfo.NOT_KNOWN_IX);
- txrInfo.addGrantedLock(resourceId, reqMode);
- txrInfo.setWaitOnRid(null);
+
+ //3. lock request causing duplicated holding requests from different threads or a single thread in a same job
+ entityInfo = entityLockInfoManager.findEntityInfoFromHolderList(eLockInfo, jId, entityHashValue);
+ if (entityInfo != -1) {//duplicated call or upgrader
+
+ isUpgrade = isLockUpgrade(entityInfoManager.getEntityLockMode(entityInfo), lockMode);
+ if (isUpgrade) {//upgrade call
+ //wait if any upgrader exists or upgrading lock mode is not compatible
+ if (entityLockInfoManager.getUpgrader(eLockInfo) != -1
+ || !entityLockInfoManager.isUpgradeCompatible(eLockInfo, lockMode, entityInfo)) {
+ return false;
+ }
+
+ weakerModeLockCount = entityInfoManager.getEntityLockCount(entityInfo);
+ entityInfoManager.setEntityLockMode(entityInfo, lockMode);
+
+ entityLockInfoManager.increaseLockCount(eLockInfo, LockMode.X, (short) weakerModeLockCount);//new lock mode
+ entityLockInfoManager.decreaseLockCount(eLockInfo, LockMode.S, (short) weakerModeLockCount);//old lock mode
+
+ } else {//duplicated call
+ entityInfoManager.increaseEntityLockCount(entityInfo);
+ entityLockInfoManager.increaseLockCount(eLockInfo, entityInfoManager.getEntityLockMode(entityInfo));
+ }
+ } else {//new call from this job, but still eLockInfo exists since other threads hold it or wait on it
+ entityInfo = entityInfoFromDLockInfo;
+ if (entityLockInfoManager.getUpgrader(eLockInfo) != -1
+ || entityLockInfoManager.getFirstWaiter(eLockInfo) != -1
+ || !entityLockInfoManager.isCompatible(eLockInfo, lockMode)) {
+ return false;
+ }
+
+ entityInfoManager.increaseEntityLockCount(entityInfo);
+ entityLockInfoManager.increaseLockCount(eLockInfo, lockMode);
+ entityLockInfoManager.addHolder(eLockInfo, entityInfo);
+ }
+ } else {//eLockInfo doesn't exist, so this lock request is the first request and can be granted without waiting.
+ eLockInfo = entityLockInfoManager.allocate();
+ dLockInfo.getEntityResourceHT().put(entityHashValue, eLockInfo);
+ entityInfoManager.increaseEntityLockCount(entityInfoFromDLockInfo);
+ entityLockInfoManager.increaseLockCount(eLockInfo, lockMode);
+ entityLockInfoManager.addHolder(eLockInfo, entityInfoFromDLockInfo);
}
- woManager.deAllocate(waitObj);
- if (LOGGER.isLoggable(Level.INFO)) {
- LOGGER.info("Transaction " + txId + " wakes up and convert to " + reqMode);
- }
return true;
}
- @Override
- public boolean unlock(TransactionContext context, byte[] resourceID) throws ACIDException {
- long txId = context.getTransactionID();
- if (LOGGER.isLoggable(Level.INFO)) {
- LOGGER.info("Transaction " + txId + " wants to unlock on ");
- }
- synchronized (lmTables) {
- TxrInfo txrInfo = lmTables.getTxrInfo(txId);
- if (txrInfo == null) {
- if (LOGGER.isLoggable(Level.INFO)) {
- LOGGER.info("Transaction " + txId + " has no locks on resource ");
- }
- return true;
- }
-
- TInfo transactionInfo = txrInfo.getTxrInfo(resourceID, LockInfo.ANY_LOCK_MODE, TxrInfo.NOT_KNOWN_IX);
- if (transactionInfo == null) {
- if (LOGGER.isLoggable(Level.INFO)) {
- LOGGER.info("Transaction " + txId + " has no locks on resource ");
- }
- return true;
- }
-
- int lockMode = transactionInfo.getMode();
-
- LockInfo lInfo = (LockInfo) lmTables.getLockInfo(resourceID);
- if (lInfo == null) {
- throw new ACIDException("Trying to unlock() a lock, on a non-existing resource");
- }
- txrInfo.removeLock(resourceID, lockMode, TxrInfo.NOT_KNOWN_IX);
- lInfo.removeFromGranted(txId, lockMode, LockInfo.UNKNOWN_IX);
-
- Iterator<WaitingInfo> convIt = lInfo.getIteratorOnConverter();
- while (convIt.hasNext()) {
- WaitingInfo nextConvInfo = convIt.next();
- if (nextConvInfo.isVictim()) {
- continue;
- }
- WaitEntry nextConv = nextConvInfo.getWaitingEntry();
- synchronized (nextConv) {
- int reqIx = nextConv.getIX(); // entry ix for the (new)
- // requested lock
- long convIx = lInfo.getTxId(reqIx);
- long convTxId = lInfo.getTxId(reqIx);
- int curConvMode = lInfo.getGrantedLockMode(convTxId, LockInfo.UNKNOWN_IX);
- int reqConvMode = lInfo.getLockMode(reqIx);
- int updatedMask = lInfo.getUpdatedMask(convIx, curConvMode, LockInfo.UNKNOWN_IX);
- if (lMtx.conflicts(updatedMask, reqConvMode)) { // We found
- // conflict,
- // no more
- // transactions
- // need to
- // be waken
- // up
- context.setStartWaitTime(TransactionContext.INVALID_TIME);
- if (txrInfo.getSize() == 0) {
- lmTables.removeTxrInfo(txId);
- if (LOGGER.isLoggable(Level.INFO)) {
- LOGGER.info("Entry for Transaction " + txId + " removed from Txr Table (in unlock)");
- }
- }
- if (LOGGER.isLoggable(Level.INFO)) {
- LOGGER.info("Transaction " + txId + " unlocked its lock");
- }
- return true;
- }
- // Converter is ready to wake up
- lmTables.getTxrInfo(convTxId).getContext().setStatus(TransactionContext.ACTIVE_STATUS);
- lInfo.removeFromGranted(convTxId, curConvMode, LockInfo.UNKNOWN_IX /* curIx */);
- lInfo.addToGranted(convTxId, reqConvMode, LockInfo.NOT_FOUND);
- lInfo.prepareToRemoveFromConverters(convTxId, reqConvMode, reqIx);
- nextConv.wakeUp();
- convIt.remove();
- nextConv.notifyAll();
- }
- }
-
- Iterator<WaitingInfo> waitIt = lInfo.getIteratorOnWaiters();
- while (waitIt.hasNext()) {
- WaitingInfo nextWaiterInfo = waitIt.next();
- if (nextWaiterInfo.isVictim()) {
- continue;
- }
- WaitEntry nextWaiter = nextWaiterInfo.getWaitingEntry();
- synchronized (nextWaiter) {
- int waitIx = nextWaiter.getIX();
- long waitTxId = lInfo.getTxId(waitIx);
- int reqLock = lInfo.getLockMode(waitIx);
- int mask = lInfo.getMask();
- if (lMtx.conflicts(mask, reqLock)) {
- if (LOGGER.isLoggable(Level.INFO)) {
- LOGGER.info("Transaction " + txId + " unlocked its lock on ");
- }
-
- context.setStartWaitTime(TransactionContext.INVALID_TIME);
- if (txrInfo.getSize() == 0) {
- lmTables.removeTxrInfo(txId);
- if (LOGGER.isLoggable(Level.INFO)) {
- LOGGER.info("Entry for Transaction " + txId + " removed from Txr Table (in unlock)");
- }
- }
- return true;
- }
- lInfo.addToGranted(waitTxId, reqLock, LockInfo.NOT_FOUND);
- lInfo.prepareToRemoveFromWaiters(waitTxId, reqLock, waitIx);
- nextWaiter.wakeUp();
- waitIt.remove();
- nextWaiter.notifyAll();
- }
- }
- if (LOGGER.isLoggable(Level.INFO)) {
- LOGGER.info("Transaction " + txId + " unlocked its lock");
- }
- context.setStartWaitTime(TransactionContext.INVALID_TIME);
- if (txrInfo.getSize() == 0) {
- lmTables.removeTxrInfo(txId);
- if (LOGGER.isLoggable(Level.INFO)) {
- LOGGER.info("Entry for Transaction " + txId + " removed from Txr Table (in unlock)");
- }
- }
- return true;
- }
+ private void latchLockTable() {
+ lockTableLatch.writeLock().lock();
}
- @Override
- public boolean getInstantlock(TransactionContext context, byte[] resourceID, int mode) throws ACIDException {
- throw new ACIDException("Instant Locking is not supported");
+ private void unlatchLockTable() {
+ lockTableLatch.writeLock().unlock();
}
- public Iterator<Long> getTxrInfoIterator() {
- return lmTables.getIteratorOnTxrs();
+ private void latchWaitNotify() {
+ waiterLatch.writeLock().lock();
}
- @Override
- public synchronized Boolean releaseLocks(TransactionContext context) throws ACIDException {
- long txId = context.getTransactionID();
- if (LOGGER.isLoggable(Level.INFO)) {
- LOGGER.info("Entry for Transaction " + txId + " removed from Txr Table (in unlock)");
- }
- synchronized (lmTables) {
- if (LOGGER.isLoggable(Level.INFO)) {
- LOGGER.info("Transaction " + txId + " started releasing its locks !");
- }
- TxrInfo txrInfo = lmTables.getTxrInfo(txId);
- if (txrInfo == null) {
- if (LOGGER.isLoggable(Level.INFO)) {
- LOGGER.info("Transaction with ID " + txId
- + " has no locks to release. (Returning from Release Locks)");
- }
- return true;
- }
- // First Remove from the waiting list (if waiting)
- byte[] waitOnRid = txrInfo.getWaitOnRid();
- if (waitOnRid != null) {
- LockInfo lInfo = (LockInfo) lmTables.getLockInfo(waitOnRid);
- if ((lInfo.removeFromConverters(txId)) == null) {
- if ((lInfo.removeFromWaiters(txId)) == null) {
- throw new ACIDException("Transaction " + txId
- + " Not Found in the convert/wait list of the resource, it should have waited for");
- }
- }
- }
+ private void unlatchWaitNotify() {
+ waiterLatch.writeLock().unlock();
+ }
- Iterator<TInfo> tInfoIt = txrInfo.getIterator();
+ private int handleLockWaiter(DatasetLockInfo dLockInfo, int eLockInfo, int entityInfo, boolean isUpgrade,
+ boolean isDatasetLockInfo, TransactionContext txnContext, JobInfo jobInfo, int duplicatedWaiterObjId)
+ throws ACIDException {
+ int waiterId = -1;
+ LockWaiter waiter;
+ int waiterCount = 0;
+ boolean isInterruptedExceptionOccurred = false;
- while (tInfoIt.hasNext()) {
- TInfo nextInfo = tInfoIt.next();
- byte[] nextRid = nextInfo.getResourceId();
- int nextLockMode = nextInfo.getMode();
- LockInfo lInfo = lmTables.getLockInfo(nextRid);
- lInfo.removeFromGranted(txId, nextLockMode, LockInfo.UNKNOWN_IX); // Remove
- // transaction's
- // granted
- // lock
- // Now lets try to wake up Waiting Transactions
- // First go through the ConvertList
- Iterator<WaitingInfo> convIt = lInfo.getIteratorOnConverter();
- boolean checkWaiters = true;
- while (convIt.hasNext()) {
- WaitingInfo nextConvInfo = convIt.next();
- if (nextConvInfo.isVictim()) {
- continue;
- }
- WaitEntry nextConv = nextConvInfo.getWaitingEntry();
- synchronized (nextConv) {
- int reqIx = nextConv.getIX();
- long convIx = lInfo.getTxId(reqIx);
- int curIx = lInfo.findInGrantedList(convIx, LockInfo.ANY_LOCK_MODE); // index
- // of
- // the
- // entry
- // for
- // the
- // (old)
- // already
- // granted
- // lock
- long convTxId = lInfo.getTxId(reqIx);
- int curConvMode = lInfo.getGrantedLockMode(convTxId, curIx);
- int reqConvMode = lInfo.getLockMode(reqIx);
- int updatedMask = lInfo.getUpdatedMask(convIx, curConvMode, curIx);
- if (lMtx.conflicts(updatedMask, reqConvMode)) {
- checkWaiters = false;
- break;
- }
- lInfo.removeFromGranted(convTxId, curConvMode, curIx);
- lInfo.addToGranted(convTxId, reqConvMode, LockInfo.NOT_FOUND);
- lInfo.prepareToRemoveFromConverters(convTxId, reqConvMode, reqIx);
- lmTables.getTxrInfo(convTxId).getContext().setStartWaitTime(TransactionContext.INVALID_TIME);
- nextConv.wakeUp();
- convIt.remove();
- nextConv.notifyAll();
- }
- }
-
- if (checkWaiters) {
- // Going through the WaitList
- Iterator<WaitingInfo> waitIt = lInfo.getIteratorOnWaiters();
- while (waitIt.hasNext()) {
- WaitingInfo nextWaiterInfo = waitIt.next();
- if (nextWaiterInfo.isVictim()) {
- continue;
- }
- WaitEntry nextWaiter = nextWaiterInfo.getWaitingEntry();
- synchronized (nextWaiter) {
- int waitIx = nextWaiter.getIX();
- long waitTxId = lInfo.getTxId(waitIx);
- int reqLock = lInfo.getLockMode(waitIx);
- int mask = lInfo.getMask();
- if (lMtx.conflicts(mask, reqLock)) {
- break;
- }
- lInfo.addToGranted(waitTxId, reqLock, LockInfo.NOT_FOUND);
- lInfo.prepareToRemoveFromWaiters(waitTxId, reqLock, waitIx);
- lmTables.getTxrInfo(waitTxId).getContext()
- .setStartWaitTime(TransactionContext.INVALID_TIME);
- nextWaiter.wakeUp();
- waitIt.remove();
- nextWaiter.notifyAll();
- }
- }
- }
- }
-
- context.setStartWaitTime(TransactionContext.INVALID_TIME);
- if ((lmTables.removeTxrInfo(txId)) == null) { // Remove Txr's entry
- // from the
- // transactions' table
- throw new ACIDException("Transaction " + txId + " Not found in transactions table for removal");
+ if (duplicatedWaiterObjId != -1
+ || isDeadlockFree(dLockInfo, eLockInfo, entityInfo, isDatasetLockInfo, isUpgrade)) {//deadlock free -> wait
+ if (duplicatedWaiterObjId == -1) {
+ waiterId = lockWaiterManager.allocate(); //initial value of waiterObj: wait = true, victim = false
+ waiter = lockWaiterManager.getLockWaiter(waiterId);
+ waiter.setEntityInfoSlot(entityInfo);
+ jobInfo.addWaitingResource(waiterId);
+ waiter.setBeginWaitTime(System.currentTimeMillis());
} else {
- if (LOGGER.isLoggable(Level.INFO)) {
- LOGGER.info("Entry for Transaction " + txId + " removed from Txr Table (in release locks)");
+ waiterId = duplicatedWaiterObjId;
+ waiter = lockWaiterManager.getLockWaiter(waiterId);
+ }
+
+ if (duplicatedWaiterObjId == -1) {
+ //add actor properly
+ if (isDatasetLockInfo) {
+ waiter.setWaitingOnEntityLock(false);
+ if (isUpgrade) {
+ dLockInfo.addUpgrader(waiterId);
+ waiter.setWaiter(false);
+ } else {
+ dLockInfo.addWaiter(waiterId);
+ waiter.setWaiter(true);
+ }
+ } else {
+ waiter.setWaitingOnEntityLock(true);
+ if (isUpgrade) {
+ waiter.setWaiter(false);
+ entityLockInfoManager.addUpgrader(eLockInfo, waiterId);
+ } else {
+ waiter.setWaiter(true);
+ entityLockInfoManager.addWaiter(eLockInfo, waiterId);
+ }
}
}
- if (LOGGER.isLoggable(Level.INFO)) {
- LOGGER.info("Transaction " + txId + " released its locks successfully !");
+ waiter.increaseWaiterCount();
+ waiter.setFirstGetUp(true);
+
+ latchWaitNotify();
+ unlatchLockTable();
+ synchronized (waiter) {
+ unlatchWaitNotify();
+ while (waiter.needWait()) {
+ try {
+ if (IS_DEBUG_MODE) {
+ System.out.println("" + Thread.currentThread().getName() + "\twaits("
+ + waiter.getWaiterCount() + "): WID(" + waiterId + "),EID("
+ + waiter.getEntityInfoSlot() + ")");
+ }
+ waiter.wait();
+ } catch (InterruptedException e) {
+ //TODO figure-out what is the appropriate way to handle this exception
+ e.printStackTrace();
+ isInterruptedExceptionOccurred = true;
+ waiter.setWait(false);
+ }
+ }
}
- return true;
+ if (isInterruptedExceptionOccurred) {
+ throw new ACIDException("InterruptedException is caught");
+ }
+
+ //waiter woke up -> remove/deallocate waiter object and abort if timeout
+ latchLockTable();
+
+ if (txnContext.getStatus() == TransactionContext.TIMED_OUT_STATUS || waiter.isVictim()) {
+ try {
+ requestAbort(txnContext);
+ } finally {
+ unlatchLockTable();
+ }
+ }
+
+ if (waiter.isFirstGetUp()) {
+ waiter.setFirstGetUp(false);
+ waiterCount = waiter.getWaiterCount();
+ } else {
+ waiterCount = 0;
+ }
+
+ waiter.decreaseWaiterCount();
+ if (IS_DEBUG_MODE) {
+ System.out.println("" + Thread.currentThread().getName() + "\tgot-up!(" + waiter.getWaiterCount()
+ + "): WID(" + waiterId + "),EID(" + waiter.getEntityInfoSlot() + ")");
+ }
+ if (waiter.getWaiterCount() == 0) {
+ //remove actor properly
+ if (isDatasetLockInfo) {
+ if (isUpgrade) {
+ dLockInfo.removeUpgrader(waiterId);
+ } else {
+ dLockInfo.removeWaiter(waiterId);
+ }
+ } else {
+ if (isUpgrade) {
+ entityLockInfoManager.removeUpgrader(eLockInfo, waiterId);
+ } else {
+ entityLockInfoManager.removeWaiter(eLockInfo, waiterId);
+ }
+ }
+
+ //if (!isUpgrade && isDatasetLockInfo) {
+ jobInfo.removeWaitingResource(waiterId);
+ //}
+ lockWaiterManager.deallocate(waiterId);
+ }
+
+ } else { //deadlock -> abort
+ //[Notice]
+ //Before requesting abort, the entityInfo for waiting datasetLock request is deallocated.
+ if (!isUpgrade && isDatasetLockInfo) {
+ //deallocate the entityInfo
+ entityInfoManager.deallocate(entityInfo);
+ }
+ try {
+ requestAbort(txnContext);
+ } finally {
+ unlatchLockTable();
+ }
}
+
+ return waiterCount;
}
- private boolean isDeadlockFree(long txId, byte[] resourceId) {
- return deadlockDetector.isSafeToAdd(txId, resourceId);
+ private boolean isDeadlockFree(DatasetLockInfo dLockInfo, int eLockInfo, int entityInfo, boolean isDatasetLockInfo,
+ boolean isUpgrade) {
+ return deadlockDetector.isSafeToAdd(dLockInfo, eLockInfo, entityInfo, isDatasetLockInfo, isUpgrade);
}
- private void requestTxrAbort(TransactionContext context) throws ACIDException {
- context.setStartWaitTime(TransactionContext.INVALID_TIME);
- throw new ACIDException("Transaction " + context.getTransactionID()
+ private void requestAbort(TransactionContext txnContext) throws ACIDException {
+ txnContext.setStatus(TransactionContext.TIMED_OUT_STATUS);
+ txnContext.setStartWaitTime(TransactionContext.INVALID_TIME);
+ throw new ACIDException("Transaction " + txnContext.getJobId()
+ " should abort (requested by the Lock Manager)");
}
- @Override
- public String getDebugLockStatus() throws ACIDException {
- String s = "\nLock Status (For Debug Purpose):\n";
- synchronized (lmTables) {
- Iterator<Long> txIdIt = getTxrInfoIterator();
- while (txIdIt.hasNext()) {
- long nextTxId = txIdIt.next();
- TxrInfo nextInfoList = lmTables.getTxrInfo(nextTxId);
- byte[] nextWaitOnRid = nextInfoList.getWaitOnRid();
- String status = (nextWaitOnRid == null ? " ACTIVE" : " WAITING");
- if ((nextWaitOnRid != null)) {
- LockInfo lInfo = (LockInfo) lmTables.getLockInfo(nextWaitOnRid);
- int wlModeIx = lInfo.findInConvertList(nextTxId, LockInfo.ANY_LOCK_MODE);
- if (wlModeIx == LockInfo.NOT_FOUND) {
- wlModeIx = lInfo.findInWaitList(nextTxId, LockInfo.ANY_LOCK_MODE);
+ /**
+ * For now, upgrading lock granule from entity-granule to dataset-granule is not supported!!
+ *
+ * @param fromLockMode
+ * @param toLockMode
+ * @return
+ */
+ private boolean isLockUpgrade(byte fromLockMode, byte toLockMode) {
+ return fromLockMode == LockMode.S && toLockMode == LockMode.X;
+ }
+
+ /**
+ * wake up upgraders first, then waiters.
+ * Criteria to wake up upgraders: if the upgrading lock mode is compatible, then wake up the upgrader.
+ */
+ private void wakeUpDatasetLockWaiters(DatasetLockInfo dLockInfo) {
+ int waiterObjId = dLockInfo.getFirstUpgrader();
+ int entityInfo;
+ LockWaiter waiterObj;
+ byte datasetLockMode;
+ byte lockMode;
+ boolean areAllUpgradersAwaken = true;
+
+ consecutiveWakeupContext.reset();
+ while (waiterObjId != -1) {
+ //wake up upgraders
+ waiterObj = lockWaiterManager.getLockWaiter(waiterObjId);
+ entityInfo = waiterObj.getEntityInfoSlot();
+ datasetLockMode = entityInfoManager.getPKHashVal(entityInfo) == -1 ? LockMode.X : LockMode.IX;
+ if (dLockInfo.isUpgradeCompatible(datasetLockMode, entityInfo)
+ && consecutiveWakeupContext.isCompatible(datasetLockMode)) {
+ consecutiveWakeupContext.setLockMode(datasetLockMode);
+ //compatible upgrader is waken up
+ latchWaitNotify();
+ synchronized (waiterObj) {
+ unlatchWaitNotify();
+ waiterObj.setWait(false);
+ if (IS_DEBUG_MODE) {
+ System.out.println("" + Thread.currentThread().getName() + "\twake-up(D): WID(" + waiterObjId
+ + "),EID(" + waiterObj.getEntityInfoSlot() + ")");
}
- int wlMode = lInfo.getLockMode(wlModeIx);
- String wLModeRep = (wlMode == 0 ? "S" : "X");
- status += " for " + wLModeRep + " lock";
+ waiterObj.notifyAll();
}
-
- String lockModes = "";
- Iterator<TInfo> tInfoIt = nextInfoList.getIterator();
- while (tInfoIt.hasNext()) {
- TInfo next = tInfoIt.next();
- int nextLockMode = next.getMode();
- lockModes += (nextLockMode == 0 ? "S" : "X");
- lockModes += ", ";
- }
- s += "Transaction: " + nextTxId + "\t- (Status: " + status + ") --> Granted Locks List: ( " + lockModes
- + " )\n";
+ waiterObjId = waiterObj.getNextWaiterObjId();
+ } else {
+ areAllUpgradersAwaken = false;
+ break;
}
-
}
+
+ if (areAllUpgradersAwaken) {
+ //wake up waiters
+ waiterObjId = dLockInfo.getFirstWaiter();
+ while (waiterObjId != -1) {
+ waiterObj = lockWaiterManager.getLockWaiter(waiterObjId);
+ entityInfo = waiterObj.getEntityInfoSlot();
+ lockMode = entityInfoManager.getDatasetLockMode(entityInfo);
+ datasetLockMode = entityInfoManager.getPKHashVal(entityInfo) == -1 ? lockMode
+ : lockMode == LockMode.S ? LockMode.IS : LockMode.IX;
+ if (dLockInfo.isCompatible(datasetLockMode) && consecutiveWakeupContext.isCompatible(datasetLockMode)) {
+ consecutiveWakeupContext.setLockMode(datasetLockMode);
+ //compatible waiter is waken up
+ latchWaitNotify();
+ synchronized (waiterObj) {
+ unlatchWaitNotify();
+ waiterObj.setWait(false);
+ if (IS_DEBUG_MODE) {
+ System.out.println("" + Thread.currentThread().getName() + "\twake-up(D): WID("
+ + waiterObjId + "),EID(" + waiterObj.getEntityInfoSlot() + ")");
+ }
+ waiterObj.notifyAll();
+ }
+ waiterObjId = waiterObj.getNextWaiterObjId();
+ } else {
+ break;
+ }
+ }
+ }
+ }
+
+ private void wakeUpEntityLockWaiters(int eLockInfo) {
+ boolean areAllUpgradersAwaken = true;
+ int waiterObjId = entityLockInfoManager.getUpgrader(eLockInfo);
+ int entityInfo;
+ LockWaiter waiterObj;
+ byte entityLockMode;
+
+ consecutiveWakeupContext.reset();
+ while (waiterObjId != -1) {
+ //wake up upgraders
+ waiterObj = lockWaiterManager.getLockWaiter(waiterObjId);
+ entityInfo = waiterObj.getEntityInfoSlot();
+ if (entityLockInfoManager.isUpgradeCompatible(eLockInfo, LockMode.X, entityInfo)
+ && consecutiveWakeupContext.isCompatible(LockMode.X)) {
+ consecutiveWakeupContext.setLockMode(LockMode.X);
+ latchWaitNotify();
+ synchronized (waiterObj) {
+ unlatchWaitNotify();
+ waiterObj.setWait(false);
+ if (IS_DEBUG_MODE) {
+ System.out.println("" + Thread.currentThread().getName() + "\twake-up(E): WID(" + waiterObjId
+ + "),EID(" + waiterObj.getEntityInfoSlot() + ")");
+ }
+ waiterObj.notifyAll();
+ }
+ waiterObjId = waiterObj.getNextWaiterObjId();
+ } else {
+ areAllUpgradersAwaken = false;
+ break;
+ }
+ }
+
+ if (areAllUpgradersAwaken) {
+ //wake up waiters
+ waiterObjId = entityLockInfoManager.getFirstWaiter(eLockInfo);
+ while (waiterObjId != -1) {
+ waiterObj = lockWaiterManager.getLockWaiter(waiterObjId);
+ entityInfo = waiterObj.getEntityInfoSlot();
+ entityLockMode = entityInfoManager.getEntityLockMode(entityInfo);
+ if (entityLockInfoManager.isCompatible(eLockInfo, entityLockMode)
+ && consecutiveWakeupContext.isCompatible(entityLockMode)) {
+ consecutiveWakeupContext.setLockMode(entityLockMode);
+ //compatible waiter is waken up
+ latchWaitNotify();
+ synchronized (waiterObj) {
+ unlatchWaitNotify();
+ waiterObj.setWait(false);
+ if (IS_DEBUG_MODE) {
+ System.out.println("" + Thread.currentThread().getName() + "\twake-up(E): WID("
+ + waiterObjId + "),EID(" + waiterObj.getEntityInfoSlot() + ")");
+ }
+ waiterObj.notifyAll();
+ }
+ } else {
+ break;
+ }
+ waiterObjId = waiterObj.getNextWaiterObjId();
+ }
+ }
+ }
+
+ @Override
+ public String prettyPrint() throws ACIDException {
+ StringBuilder s = new StringBuilder("\n########### LockManager Status #############\n");
return s + "\n";
}
public void sweepForTimeout() throws ACIDException {
- synchronized (lmTables) {
- Iterator<Long> txrIt = lmTables.getIteratorOnTxrs();
- while (txrIt.hasNext()) {
- long nextTxrID = txrIt.next();
- TxrInfo nextTxrInfo = lmTables.getTxrInfo(nextTxrID);
- if (toutDetector.isVictim(nextTxrInfo)) {
- nextTxrInfo.getContext().setStatus(TransactionContext.TIMED_OUT_SATUS);
- LockInfo nextLockInfo = lmTables.getLockInfo(nextTxrInfo.getWaitOnRid());
- synchronized (nextLockInfo) {
- WaitingInfo nextVictim = nextLockInfo.getWaitingOnObject(nextTxrID, LockInfo.ANY_LOCK_MODE);
- nextVictim.setAsVictim();
- toutDetector.addToVictimsList(nextVictim.getWaitingEntry());
- }
- }
+ JobInfo jobInfo;
+ int waiterObjId;
+ LockWaiter waiterObj;
+
+ latchLockTable();
+
+ Iterator<Entry<JobId, JobInfo>> iter = jobHT.entrySet().iterator();
+ while (iter.hasNext()) {
+ Map.Entry<JobId, JobInfo> pair = (Map.Entry<JobId, JobInfo>) iter.next();
+ jobInfo = pair.getValue();
+ waiterObjId = jobInfo.getFirstWaitingResource();
+ while (waiterObjId != -1) {
+ waiterObj = lockWaiterManager.getLockWaiter(waiterObjId);
+ toutDetector.checkAndSetVictim(waiterObj);
+ waiterObjId = waiterObj.getNextWaiterObjId();
}
}
- }
- public LockInfo getLockInfo(byte[] resourceID) {
- return lmTables.getLockInfo(resourceID);
- }
-
- public TxrInfo getTxrInfo(long txrId) {
- return lmTables.getTxrInfo(txrId);
+ unlatchLockTable();
}
}
-class LMTables {
- /**
- * An instance of this class mainly manages and synchronizes the access to
- * the lock manager hash tables
- */
+class ConsecutiveWakeupContext {
+ private boolean IS;
+ private boolean IX;
+ private boolean S;
+ private boolean X;
- private ILockHashTable<byte[], LockInfo> resToLInfo; // mapping from
- // resourceID to
- // information about
- // the locks on it
- private ILockHashTable<Long, TxrInfo> txToTxrInfo; // mapping from
- // transactionID to
- // informations about its
- // lock(s)
-
- public LMTables(int initialSize) {
- resToLInfo = new ResourcesHT(initialSize);
- txToTxrInfo = new TransactionsHT(initialSize);
+ public void reset() {
+ IS = false;
+ IX = false;
+ S = false;
+ X = false;
}
- public LockInfo getLockInfo(byte[] resourceId) {
- return resToLInfo.get(resourceId);
- }
+ public boolean isCompatible(byte lockMode) {
+ switch (lockMode) {
+ case LockMode.IX:
+ return !S && !X;
- public void putLockInfo(byte[] resourceID, LockInfo lInfo) {
- resToLInfo.put(resourceID, lInfo);
- }
+ case LockMode.IS:
+ return !X;
- public TxrInfo getTxrInfo(long txrId) {
- return txToTxrInfo.get(txrId);
- }
+ case LockMode.X:
+ return !IS && !IX && !S && !X;
- public void putTxrInfo(long txrId, TxrInfo txrInfo) {
- txToTxrInfo.put(txrId, txrInfo);
- }
+ case LockMode.S:
+ return !IX && !X;
- public TxrInfo removeTxrInfo(long txId) {
- return txToTxrInfo.remove(txId);
- }
-
- public int getTxrTableSize() {
- return txToTxrInfo.getKeysetSize();
- }
-
- public Iterator<Long> getIteratorOnTxrs() {
- return ((TransactionsHT) txToTxrInfo).getIteratorOnTxs();
- }
-
-}
-
-class ResourcesHT implements ILockHashTable<byte[], LockInfo> {
-
- private Hashtable<LockTag, LockInfo> table;
- private LockTag tag;
-
- public ResourcesHT(int initCapacity) {
- this.table = new Hashtable<LockTag, LockInfo>(initCapacity);
- this.tag = new LockTag(null);
- }
-
- @Override
- public synchronized void put(byte[] rsId, LockInfo info) {
- table.put(new LockTag(rsId), (LockInfo) info);
- }
-
- @Override
- public synchronized LockInfo get(byte[] rsId) {
- tag.setRsId(rsId);
- return (table.get(tag));
- }
-
- @Override
- public LockInfo remove(byte[] rsId) {
- tag.setRsId(rsId);
- return (table.remove(tag));
- }
-
- @Override
- public int getKeysetSize() {
- return table.size();
- }
-
-}
-
-class TransactionsHT implements ILockHashTable<Long, TxrInfo> {
-
- private Hashtable<Long, TxrInfo> table;
-
- public TransactionsHT(int initCapacity) {
- this.table = new Hashtable<Long, TxrInfo>(initCapacity);
- }
-
- @Override
- public synchronized void put(Long key, TxrInfo value) {
- table.put(key, value);
-
- }
-
- @Override
- public synchronized TxrInfo get(Long key) {
- return (table.get(key));
- }
-
- public Iterator<Long> getIteratorOnTxs() {
- return table.keySet().iterator();
- }
-
- @Override
- public TxrInfo remove(Long key) {
- return table.remove(key);
- }
-
- @Override
- public int getKeysetSize() {
- return table.size();
- }
-
-}
-
-class LockTag {
- /**
- * Used as a wrapper around byte[], which is used as the key for the
- * hashtables
- */
-
- byte[] rsId;
-
- public LockTag(byte[] rsId) {
- setRsId(rsId);
- }
-
- public void setRsId(byte[] rsId) {
- this.rsId = rsId;
- }
-
- @Override
- public int hashCode() {
- return Arrays.hashCode(rsId);
- }
-
- @Override
- public boolean equals(Object o) {
- if ((o == null) || !(o instanceof LockTag)) {
- return false;
- }
- return Arrays.equals(((LockTag) o).rsId, this.rsId);
- }
-}
-
-class WaitObjectManager {
- /**
- * Manages the set of waiting objects (objects used to manage waiters) to
- * avoid object/garbage creation as much as possible
- */
- final int EOL = -1;
- ArrayList<WaitEntry> list;
- AtomicInteger max;
- int nextFree;
-
- public WaitObjectManager() {
- list = new ArrayList<WaitEntry>();
- nextFree = EOL;
- max = new AtomicInteger(0);
- }
-
- public WaitEntry allocate() throws ACIDException {
- WaitEntry o = null;
- synchronized (list) {
- if (nextFree == EOL) {
- o = new WaitEntry(max.getAndIncrement(), LockInfo.UNKNOWN_IX, EOL);
- list.add(o);
- return o;
- }
- o = list.get(nextFree);
- nextFree = o.getNext();
- o.setNext(EOL);
- }
- return o;
- }
-
- public void deAllocate(Object o) {
- synchronized (list) {
- ((WaitEntry) o).setNext(nextFree);
- nextFree = ((WaitEntry) o).getId();
+ default:
+ throw new IllegalStateException("Invalid upgrade lock mode");
}
}
+ public void setLockMode(byte lockMode) {
+ switch (lockMode) {
+ case LockMode.IX:
+ IX = true;
+ return;
+
+ case LockMode.IS:
+ IS = true;
+ return;
+
+ case LockMode.X:
+ X = true;
+ return;
+
+ case LockMode.S:
+ S = true;
+ return;
+
+ default:
+ throw new IllegalStateException("Invalid lock mode");
+ }
+
+ }
+
}
-
-class WaitEntry {
- /**
- * Captures the information about a waiting transaction
- */
-
- private int id; // ID of this object (used for managing the waiting objects
- // and recycling them)
- private int eix; // index of the entry corresponding to the waiting
- // transaction
- private boolean shouldWait; // whether the waiter needs to continue its
- // waiting or not
- private int next; // The next waitEntry in the chain of wait Entries (used
- // for managing the waiting objects and recycling them)
-
- public WaitEntry(int id, int eix, int next) {
- this.id = id;
- this.eix = eix;
- shouldWait = true;
- this.next = next;
- }
-
- public int getIX() {
- return eix;
- }
-
- public void setIx(int eix) {
- this.eix = eix;
- }
-
- public int getId() {
- return id;
- }
-
- public void setNext(int n) {
- next = n;
- }
-
- public int getNext() {
- return next;
- }
-
- public boolean needWait() {
- return shouldWait;
- }
-
- public void wakeUp() {
- this.shouldWait = false;
- }
-
- public void setForWait() {
- this.shouldWait = true;
- }
-}
\ No newline at end of file
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/LockManagerDeterministicUnitTest.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/LockManagerDeterministicUnitTest.java
new file mode 100644
index 0000000..c3b47bc
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/LockManagerDeterministicUnitTest.java
@@ -0,0 +1,618 @@
+package edu.uci.ics.asterix.transaction.management.service.locking;
+
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.NoSuchElementException;
+import java.util.Scanner;
+
+import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
+import edu.uci.ics.asterix.transaction.management.service.transaction.DatasetId;
+import edu.uci.ics.asterix.transaction.management.service.transaction.ITransactionManager.TransactionState;
+import edu.uci.ics.asterix.transaction.management.service.transaction.JobId;
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionContext;
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionManagementConstants.LockManagerConstants.LockMode;
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionSubsystem;
+
+public class LockManagerDeterministicUnitTest {
+
+ public static void main(String args[]) throws ACIDException, IOException {
+ //initialize controller thread
+ String requestFileName = new String(
+ "src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/LockRequestFile");
+ Thread t = new Thread(new LockRequestController(requestFileName));
+ t.start();
+ }
+}
+
+class LockRequestController implements Runnable {
+
+ public static final boolean IS_DEBUG_MODE = false;
+ TransactionSubsystem txnProvider;
+ WorkerReadyQueue workerReadyQueue;
+ ArrayList<LockRequest> requestList;
+ ArrayList<ArrayList<Integer>> expectedResultList;
+ int resultListIndex;
+ LockManager lockMgr;
+ String requestFileName;
+ long defaultWaitTime;
+
+ public LockRequestController(String requestFileName) throws ACIDException {
+ this.txnProvider = new TransactionSubsystem("LockManagerPredefinedUnitTest", null);;
+ this.workerReadyQueue = new WorkerReadyQueue();
+ this.requestList = new ArrayList<LockRequest>();
+ this.expectedResultList = new ArrayList<ArrayList<Integer>>();
+ this.lockMgr = (LockManager) txnProvider.getLockManager();
+ this.requestFileName = new String(requestFileName);
+ this.resultListIndex = 0;
+ this.defaultWaitTime = 10;
+ }
+
+ @Override
+ public void run() {
+ Thread.currentThread().setName("Thread-0");
+ HashMap<String, Thread> threadMap = new HashMap<String, Thread>();
+ Thread t = null;
+ LockRequest lockRequest = null;
+ boolean isSuccess = true;
+
+ try {
+ readRequest();
+ } catch (IOException e) {
+ e.printStackTrace();
+ System.exit(-1);
+ } catch (ACIDException e) {
+ e.printStackTrace();
+ System.exit(-1);
+ }
+
+ //initialize workerThread
+ int size = requestList.size();
+ for (int i = 0; i < size; i++) {
+ lockRequest = requestList.get(i);
+ if (lockRequest.threadName.equals("Thread-0")) {
+ //Thread-0 is controller thread.
+ continue;
+ }
+ t = threadMap.get(lockRequest.threadName);
+ if (t == null) {
+ t = new Thread(new LockRequestWorker(txnProvider, workerReadyQueue, lockRequest.threadName),
+ lockRequest.threadName);
+ threadMap.put(lockRequest.threadName, t);
+ t.start();
+ log("Created " + lockRequest.threadName);
+ }
+ }
+
+ //wait for all workerThreads to be ready
+ try {
+ log("waiting for all workerThreads to complete initialization ...");
+ Thread.sleep(5);
+ } catch (InterruptedException e1) {
+ e1.printStackTrace();
+ }
+ while (workerReadyQueue.size() != threadMap.size()) {
+ try {
+ log(" .");
+ Thread.sleep(5);
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ }
+ }
+
+ //make workerThread work
+ while (requestList.size() != 0) {
+ lockRequest = requestList.remove(0);
+ log("Processing: " + lockRequest.prettyPrint());
+ try {
+ if (!handleRequest(lockRequest)) {
+ log("\n*** Test Failed ***");
+ isSuccess = false;
+ break;
+ } else {
+ log("Processed: " + lockRequest.prettyPrint());
+ }
+ } catch (ACIDException e) {
+ e.printStackTrace();
+ break;
+ }
+ }
+
+ if (isSuccess) {
+ log("\n*** Test Passed ***");
+ }
+ }
+
+ public boolean handleRequest(LockRequest request) throws ACIDException {
+ LockRequestWorker worker = null;
+ int i = 0;
+
+ if (request.requestType == RequestType.CHECK_SEQUENCE) {
+ return validateExpectedResult(true);
+ } else if (request.requestType == RequestType.CHECK_SET) {
+ return validateExpectedResult(false);
+ } else if (request.requestType == RequestType.WAIT) {
+ try {
+ Thread.sleep((long) request.entityHashValue);
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ return false;
+ }
+ } else if (request.requestType == RequestType.END) {
+ worker = workerReadyQueue.pop(request.threadName);
+ while (worker == null) {
+ if (!IS_DEBUG_MODE) {
+ log(request.threadName + " is not in the workerReadyQueue");
+ return false;
+ }
+ log(Thread.currentThread().getName() + " waiting for " + request.threadName
+ + " to be in the workerReadyQueue[" + i++ + "].");
+ try {
+ Thread.sleep((long) 10);
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ return false;
+ }
+ worker = workerReadyQueue.pop(request.threadName);
+ }
+ synchronized (worker) {
+ worker.setDone(true);
+ worker.setWait(false);
+ worker.notify();
+ }
+ try {
+ Thread.sleep((long) defaultWaitTime);
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ }
+ } else {
+ worker = workerReadyQueue.pop(request.threadName);
+ while (worker == null) {
+ if (!IS_DEBUG_MODE) {
+ log(request.threadName + " is not in the workerReadyQueue");
+ return false;
+ }
+ log(Thread.currentThread().getName() + " waiting for " + request.threadName
+ + " to be in the workerReadyQueue[" + i++ + "].");
+ try {
+ Thread.sleep((long) 10);
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ }
+ worker = workerReadyQueue.pop(request.threadName);
+ }
+
+ synchronized (worker) {
+ worker.setLockRequest(request);
+ worker.setWait(false);
+ worker.notify();
+ }
+
+ try {
+ Thread.sleep((long) defaultWaitTime);
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ }
+ }
+
+ return true;
+ }
+
+ public boolean validateExpectedResult(boolean isSequence) {
+
+ if (isSequence) {
+ return workerReadyQueue.checkSequence(expectedResultList.get(resultListIndex++));
+ } else {
+ return workerReadyQueue.checkSet(expectedResultList.get(resultListIndex++));
+ }
+
+ }
+
+ public void readRequest() throws IOException, ACIDException {
+ int i = 0;
+ LockRequest lockRequest = null;
+ TransactionContext txnContext = null;
+ HashMap<Integer, TransactionContext> jobMap = new HashMap<Integer, TransactionContext>();
+
+ int threadId;
+ String requestType;
+ int jobId;
+ int datasetId;
+ int PKHashVal;
+ int waitTime;
+ ArrayList<Integer> list = null;
+ String lockMode;
+
+ Scanner scanner = new Scanner(new FileInputStream(requestFileName));
+ while (scanner.hasNextLine()) {
+ try {
+ threadId = Integer.parseInt(scanner.next().substring(1));
+ requestType = scanner.next();
+ if (requestType.equals("CSQ") || requestType.equals("CST") || requestType.equals("END")) {
+ log("LockRequest[" + i++ + "]:T" + threadId + "," + requestType);
+ lockRequest = new LockRequest("Thread-" + threadId, getRequestType(requestType));
+ if (requestType.equals("CSQ") || requestType.equals("CST")) {
+ list = new ArrayList<Integer>();
+ while (scanner.hasNextInt()) {
+ threadId = scanner.nextInt();
+ if (threadId < 0) {
+ break;
+ }
+ list.add(threadId);
+ }
+ expectedResultList.add(list);
+ }
+ } else if (requestType.equals("DW")) {
+ defaultWaitTime = scanner.nextInt();
+ log("LockRequest[" + i++ + "]:T" + threadId + "," + requestType + "," + defaultWaitTime);
+ continue;
+ } else if (requestType.equals("W")) {
+ waitTime = scanner.nextInt();
+ log("LockRequest[" + i++ + "]:T" + threadId + "," + requestType);
+ lockRequest = new LockRequest("Thread-" + threadId, getRequestType(requestType), waitTime);
+ } else {
+ jobId = Integer.parseInt(scanner.next().substring(1));
+ datasetId = Integer.parseInt(scanner.next().substring(1));
+ PKHashVal = Integer.parseInt(scanner.next().substring(1));
+ lockMode = scanner.next();
+ txnContext = jobMap.get(jobId);
+ if (txnContext == null) {
+ txnContext = new TransactionContext(new JobId(jobId), txnProvider);
+ jobMap.put(jobId, txnContext);
+ }
+ log("LockRequest[" + i++ + "]:T" + threadId + "," + requestType + ",J" + jobId + ",D" + datasetId
+ + ",E" + PKHashVal + "," + lockMode);
+ lockRequest = new LockRequest("Thread-" + threadId, getRequestType(requestType), new DatasetId(
+ datasetId), PKHashVal, getLockMode(lockMode), txnContext);
+ }
+
+ requestList.add(lockRequest);
+ } catch (NoSuchElementException e) {
+ scanner.close();
+ break;
+ }
+ }
+ }
+
+ public void log(String s) {
+ System.out.println(s);
+ }
+
+ private int getRequestType(String s) {
+ if (s.equals("L")) {
+ return RequestType.LOCK;
+ }
+
+ if (s.equals("TL")) {
+ return RequestType.TRY_LOCK;
+ }
+
+ if (s.equals("IL")) {
+ return RequestType.INSTANT_LOCK;
+ }
+
+ if (s.equals("ITL")) {
+ return RequestType.INSTANT_TRY_LOCK;
+ }
+
+ if (s.equals("UL")) {
+ return RequestType.UNLOCK;
+ }
+
+ if (s.equals("RL")) {
+ return RequestType.RELEASE_LOCKS;
+ }
+
+ if (s.equals("CSQ")) {
+ return RequestType.CHECK_SEQUENCE;
+ }
+
+ if (s.equals("CST")) {
+ return RequestType.CHECK_SET;
+ }
+
+ if (s.equals("END")) {
+ return RequestType.END;
+ }
+
+ if (s.equals("W")) {
+ return RequestType.WAIT;
+ }
+
+ try {
+ throw new UnsupportedOperationException("Invalid request type:" + s);
+ } catch (Exception e) {
+ e.printStackTrace();
+ } finally {
+ System.exit(0);
+ }
+
+ return -1;
+
+ }
+
+ private byte getLockMode(String s) {
+ if (s.equals("S")) {
+ return LockMode.S;
+ }
+
+ if (s.equals("X")) {
+ return LockMode.X;
+ }
+
+ try {
+ throw new UnsupportedOperationException("Invalid lock mode type:" + s);
+ } catch (Exception e) {
+ e.printStackTrace();
+ } finally {
+ System.exit(0);
+ }
+
+ return -1;
+ }
+}
+
+class LockRequestWorker implements Runnable {
+
+ String threadName;
+ TransactionSubsystem txnProvider;
+ ILockManager lockMgr;
+ WorkerReadyQueue workerReadyQueue;
+ LockRequest lockRequest;
+ boolean needWait;
+ boolean isAwaken;
+ boolean isDone;
+
+ public LockRequestWorker(TransactionSubsystem txnProvider, WorkerReadyQueue workerReadyQueue, String threadName) {
+ this.txnProvider = txnProvider;
+ this.lockMgr = txnProvider.getLockManager();
+ this.workerReadyQueue = workerReadyQueue;
+ this.threadName = new String(threadName);
+ this.lockRequest = null;
+ needWait = true;
+ isDone = false;
+ isAwaken = false;
+ }
+
+ public boolean isAwaken() {
+ return isAwaken;
+ }
+
+ @Override
+ public void run() {
+ //initial wait
+ needWait = true;
+ isAwaken = false;
+
+ while (!isDone) {
+ while (needWait) {
+ synchronized (this) {
+ workerReadyQueue.push(this);
+ try {
+ this.wait();
+ isAwaken = true;
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ }
+ }
+ }
+
+ if (isDone) {
+ break;
+ }
+
+ try {
+ sendRequest(lockRequest);
+ } catch (ACIDException e) {
+ if (lockRequest.txnContext.getStatus() == TransactionContext.TIMED_OUT_STATUS) {
+ if (lockRequest.txnContext.getTxnState() != TransactionState.ABORTED) {
+ lockRequest.txnContext.setTxnState(TransactionState.ABORTED);
+ log("*** " + lockRequest.txnContext.getJobId() + " lock request causing deadlock ***");
+ log("Abort --> Releasing all locks acquired by " + lockRequest.txnContext.getJobId());
+ try {
+ lockMgr.releaseLocks(lockRequest.txnContext);
+ } catch (ACIDException e1) {
+ e1.printStackTrace();
+ }
+ log("Abort --> Released all locks acquired by " + lockRequest.txnContext.getJobId());
+ }
+ isDone = true;
+ } else {
+ e.printStackTrace();
+ System.exit(-1);
+ }
+ }
+
+ try {
+ Thread.sleep(1);
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ }
+
+ needWait = true;
+ isAwaken = false;
+ }
+ }
+
+ public void sendRequest(LockRequest request) throws ACIDException {
+
+ switch (request.requestType) {
+ case RequestType.LOCK:
+ lockMgr.lock(request.datasetIdObj, request.entityHashValue, request.lockMode, request.txnContext);
+ break;
+ case RequestType.INSTANT_LOCK:
+ lockMgr.instantLock(request.datasetIdObj, request.entityHashValue, request.lockMode, request.txnContext);
+ break;
+ case RequestType.TRY_LOCK:
+ request.isTryLockFailed = !lockMgr.tryLock(request.datasetIdObj, request.entityHashValue,
+ request.lockMode, request.txnContext);
+ break;
+ case RequestType.INSTANT_TRY_LOCK:
+ lockMgr.instantTryLock(request.datasetIdObj, request.entityHashValue, request.lockMode,
+ request.txnContext);
+ break;
+ case RequestType.UNLOCK:
+ lockMgr.unlock(request.datasetIdObj, request.entityHashValue, request.txnContext);
+ break;
+ case RequestType.RELEASE_LOCKS:
+ lockMgr.releaseLocks(request.txnContext);
+ break;
+ default:
+ throw new UnsupportedOperationException("Unsupported lock method");
+ }
+ }
+
+ public void setLockRequest(LockRequest request) {
+ this.lockRequest = request;
+ }
+
+ public void setWait(boolean wait) {
+ needWait = wait;
+ }
+
+ public void setDone(boolean done) {
+ isDone = done;
+ }
+
+ public String getThreadName() {
+ return threadName;
+ }
+
+ public void log(String s) {
+ System.out.println(s);
+ }
+}
+
+class WorkerReadyQueue {
+ ArrayList<LockRequestWorker> workerReadyQueue;
+
+ public WorkerReadyQueue() {
+ workerReadyQueue = new ArrayList<LockRequestWorker>();
+ }
+
+ public synchronized void push(LockRequestWorker worker) {
+ workerReadyQueue.add(worker);
+ }
+
+ public synchronized LockRequestWorker pop(String threadName) {
+ int i;
+ LockRequestWorker worker = null;
+ int size = workerReadyQueue.size();
+ for (i = 0; i < size; i++) {
+ worker = workerReadyQueue.get(i);
+ if (worker.getThreadName().equals(threadName)) {
+ workerReadyQueue.remove(i);
+ break;
+ }
+ }
+
+ if (i == size) {
+ return null;
+ } else {
+ return worker;
+ }
+ }
+
+ public synchronized int size() {
+ return workerReadyQueue.size();
+ }
+
+ public boolean checkSet(ArrayList<Integer> threadIdList) {
+ int i;
+ int j;
+ StringBuilder s = new StringBuilder();
+ LockRequestWorker worker = null;
+ int resultListSize = 0;
+ int queueSize = workerReadyQueue.size();
+ int listSize = threadIdList.size();
+
+ s.append("ExpectedList(Set):\t");
+ for (i = 0; i < listSize; i++) {
+ s.append(threadIdList.get(i)).append(" ");
+ }
+ s.append("\n");
+
+ while (queueSize < listSize) {
+ //wait until workers finish its task
+ try {
+ Thread.sleep(1);
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ }
+ log(Thread.currentThread().getName() + " waiting for worker to finish its task...");
+ queueSize = workerReadyQueue.size();
+ }
+
+ if (listSize != queueSize) {
+ log("listSize:" + listSize + ", queueSize:" + queueSize);
+ return false;
+ }
+
+ s.append("ResultList(Set):\t");
+ for (i = 0; i < listSize; i++) {
+ for (j = 0; j < queueSize; j++) {
+ worker = workerReadyQueue.get(j);
+ if (worker.getThreadName().equals("Thread-" + threadIdList.get(i))) {
+ s.append(threadIdList.get(i)).append(" ");
+ resultListSize++;
+ break;
+ }
+ }
+ }
+
+ log(s.toString());
+ if (listSize != resultListSize) {
+ return false;
+ }
+
+ return true;
+ }
+
+ public boolean checkSequence(ArrayList<Integer> threadIdList) {
+ int i;
+ StringBuilder s = new StringBuilder();
+ LockRequestWorker worker = null;
+ int queueSize = workerReadyQueue.size();
+ int listSize = threadIdList.size();
+
+ s.append("ExpectedList(Sequence):\t");
+ for (i = 0; i < listSize; i++) {
+ s.append(threadIdList.get(i)).append(" ");
+ }
+ s.append("\n");
+
+ while (queueSize < listSize) {
+ //wait until workers finish its task
+ try {
+ Thread.sleep(1);
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ }
+ log(Thread.currentThread().getName() + "Waiting for worker to finish its task...");
+ queueSize = workerReadyQueue.size();
+ }
+
+ if (queueSize != listSize) {
+ return false;
+ }
+
+ s.append("ResultList(Sequence):\t");
+ for (i = 0; i < listSize; i++) {
+ worker = workerReadyQueue.get(i);
+ if (!worker.getThreadName().equals("Thread-" + threadIdList.get(i))) {
+ log(s.toString());
+ return false;
+ } else {
+ s.append(threadIdList.get(i)).append(" ");
+ }
+ }
+
+ log(s.toString());
+ return true;
+ }
+
+ public void log(String s) {
+ System.out.println(s);
+ }
+}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/LockManagerRandomUnitTest.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/LockManagerRandomUnitTest.java
new file mode 100644
index 0000000..89a15ef
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/LockManagerRandomUnitTest.java
@@ -0,0 +1,610 @@
+package edu.uci.ics.asterix.transaction.management.service.locking;
+
+import java.util.ArrayList;
+import java.util.Random;
+
+import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
+import edu.uci.ics.asterix.transaction.management.service.transaction.DatasetId;
+import edu.uci.ics.asterix.transaction.management.service.transaction.ITransactionManager.TransactionState;
+import edu.uci.ics.asterix.transaction.management.service.transaction.JobId;
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionContext;
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionManagementConstants.LockManagerConstants.LockMode;
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionSubsystem;
+
+/**
+ * LockManagerUnitTest: unit test of LockManager
+ *
+ * @author kisskys
+ */
+
+public class LockManagerRandomUnitTest {
+
+ private static final int MAX_NUM_OF_UPGRADE_JOB = 2;//2
+ private static final int MAX_NUM_OF_ENTITY_LOCK_JOB = 8;//8
+ private static final int MAX_NUM_OF_DATASET_LOCK_JOB = 2;//2
+ private static final int MAX_NUM_OF_THREAD_IN_A_JOB = 2; //4
+ private static int jobId = 0;
+ private static Random rand;
+
+ public static void main(String args[]) throws ACIDException {
+ int i;
+ TransactionSubsystem txnProvider = new TransactionSubsystem("LockManagerRandomUnitTest", null);
+ rand = new Random(System.currentTimeMillis());
+ for (i = 0; i < MAX_NUM_OF_ENTITY_LOCK_JOB; i++) {
+ System.out.println("Creating " + i + "th EntityLockJob..");
+ generateEntityLockThread(txnProvider);
+ }
+
+ for (i = 0; i < MAX_NUM_OF_DATASET_LOCK_JOB; i++) {
+ System.out.println("Creating " + i + "th DatasetLockJob..");
+ generateDatasetLockThread(txnProvider);
+ }
+
+ for (i = 0; i < MAX_NUM_OF_UPGRADE_JOB; i++) {
+ System.out.println("Creating " + i + "th EntityLockUpgradeJob..");
+ generateEntityLockUpgradeThread(txnProvider);
+ }
+ }
+
+ private static void generateEntityLockThread(TransactionSubsystem txnProvider) {
+ Thread t;
+ int childCount = rand.nextInt(MAX_NUM_OF_THREAD_IN_A_JOB);
+ if (MAX_NUM_OF_THREAD_IN_A_JOB != 0 && childCount == 0) {
+ childCount = 1;
+ }
+ TransactionContext txnContext = generateTxnContext(txnProvider);
+
+ for (int i = 0; i < childCount; i++) {
+ System.out.println("Creating " + txnContext.getJobId() + "," + i + "th EntityLockThread..");
+ t = new Thread(new LockRequestProducer(txnProvider.getLockManager(), txnContext, false, false, false));
+ t.start();
+ }
+ }
+
+ private static void generateDatasetLockThread(TransactionSubsystem txnProvider) {
+ Thread t;
+ // int childCount = rand.nextInt(MAX_NUM_OF_THREAD_IN_A_JOB);
+ // if (MAX_NUM_OF_THREAD_IN_A_JOB != 0 && childCount == 0) {
+ // childCount = 1;
+ // }
+ int childCount = 1;
+
+ TransactionContext txnContext = generateTxnContext(txnProvider);
+
+ for (int i = 0; i < childCount; i++) {
+ System.out.println("Creating " + txnContext.getJobId() + "," + i + "th DatasetLockThread..");
+ t = new Thread(new LockRequestProducer(txnProvider.getLockManager(), txnContext, true, false, false));
+ t.start();
+ }
+ }
+
+ private static void generateEntityLockUpgradeThread(TransactionSubsystem txnProvider) {
+ int i;
+ Thread t;
+ int childCount = MAX_NUM_OF_THREAD_IN_A_JOB;
+ if (MAX_NUM_OF_THREAD_IN_A_JOB != 0 && childCount == 0) {
+ childCount = 1;
+ }
+ TransactionContext txnContext = generateTxnContext(txnProvider);
+
+ for (i = 0; i < childCount - 1; i++) {
+ System.out.println("Creating " + txnContext.getJobId() + "," + i + "th EntityLockUpgradeThread(false)..");
+ t = new Thread(new LockRequestProducer(txnProvider.getLockManager(), txnContext, false, true, false));
+ t.start();
+ }
+ System.out.println("Creating " + txnContext.getJobId() + "," + i + "th EntityLockUpgradeThread(true)..");
+ t = new Thread(new LockRequestProducer(txnProvider.getLockManager(), txnContext, false, true, true));
+ t.start();
+ }
+
+ private static TransactionContext generateTxnContext(TransactionSubsystem txnProvider) {
+ try {
+ return new TransactionContext(new JobId(jobId++), txnProvider);
+ } catch (ACIDException e) {
+ e.printStackTrace();
+ return null;
+ }
+ }
+
+}
+
+class LockRequestProducer implements Runnable {
+
+ private static final int MAX_DATASET_NUM = 10;//10
+ private static final int MAX_ENTITY_NUM = 30;//30
+ private static final int MAX_LOCK_MODE_NUM = 2;
+ private static final long DATASET_LOCK_THREAD_SLEEP_TIME = 1000;
+ private static final int MAX_LOCK_REQUEST_TYPE_NUM = 4;
+
+ private ILockManager lockMgr;
+ private TransactionContext txnContext;
+ private Random rand;
+ private boolean isDatasetLock; //dataset or entity
+ private ArrayList<LockRequest> requestQueue;
+ private StringBuilder requestHistory;
+ private int unlockIndex;
+ private int upgradeIndex;
+ private boolean isUpgradeThread;
+ private boolean isUpgradeThreadJob;
+ private boolean isDone;
+
+ public LockRequestProducer(ILockManager lockMgr, TransactionContext txnContext, boolean isDatasetLock,
+ boolean isUpgradeThreadJob, boolean isUpgradeThread) {
+ this.lockMgr = lockMgr;
+ this.txnContext = txnContext;
+ this.isDatasetLock = isDatasetLock;
+ this.isUpgradeThreadJob = isUpgradeThreadJob;
+ this.isUpgradeThread = isUpgradeThread;
+
+ this.rand = new Random(System.currentTimeMillis());
+ requestQueue = new ArrayList<LockRequest>();
+ requestHistory = new StringBuilder();
+ unlockIndex = 0;
+ upgradeIndex = 0;
+ isDone = false;
+ }
+
+ @Override
+ public void run() {
+ try {
+ if (isDatasetLock) {
+ System.out.println("DatasetLockThread(" + Thread.currentThread().getName() + ") is running...");
+ runDatasetLockTask();
+ } else {
+ System.out.println("EntityLockThread(" + Thread.currentThread().getName() + "," + isUpgradeThreadJob
+ + "," + isUpgradeThread + ") is running...");
+ runEntityLockTask();
+ }
+ } catch (Exception e) {
+ e.printStackTrace();
+ return;
+ } finally {
+
+ /*
+ System.out.println("" + Thread.currentThread().getName() + "\n" + requestHistory.toString() + ""
+ + Thread.currentThread().getName() + "\n");
+ System.out.println("RequestHistoryPerJobId\n" + ((LockManager) lockMgr).getLocalRequestHistory());
+ System.out.println("");
+ System.out.println("GlobalRequestHistory\n" + ((LockManager) lockMgr).getGlobalRequestHistory());
+ System.out.println("");
+ */
+ }
+ }
+
+ private void runDatasetLockTask() {
+ try {
+ produceDatasetLockRequest();
+ if (isDone) {
+ return;
+ }
+ } catch (ACIDException e) {
+ e.printStackTrace();
+ return;
+ }
+
+ try {
+ Thread.sleep(DATASET_LOCK_THREAD_SLEEP_TIME);
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ }
+
+ try {
+ produceDatasetUnlockRequest();
+ if (isDone) {
+ return;
+ }
+ } catch (ACIDException e) {
+ e.printStackTrace();
+ return;
+ }
+ }
+
+ private void runEntityLockTask() {
+ int i;
+ byte lockMode;
+ int lockCount;
+ int upgradeCount;
+ int releaseCount;
+ boolean mayRelease = false;
+
+ lockCount = 1 + rand.nextInt(20);
+ if (isUpgradeThreadJob) {
+ if (isUpgradeThread) {
+ upgradeCount = 1; //rand.nextInt(4) + 1;
+ if (upgradeCount > lockCount) {
+ upgradeCount = lockCount;
+ }
+ } else {
+ upgradeCount = 0;
+ }
+ lockMode = LockMode.S;
+ } else {
+ upgradeCount = 0;
+ lockMode = (byte) (this.txnContext.getJobId().getId() % 2);
+ }
+ releaseCount = rand.nextInt(5) % 3 == 0 ? 1 : 0;
+
+ //lock
+ for (i = 0; i < lockCount; i++) {
+ try {
+ produceEntityLockRequest(lockMode);
+ if (isDone) {
+ return;
+ }
+ } catch (ACIDException e) {
+ e.printStackTrace();
+ return;
+ }
+ }
+
+ //upgrade
+ for (i = 0; i < upgradeCount; i++) {
+ try {
+ produceEntityLockUpgradeRequest();
+ if (isDone) {
+ return;
+ }
+ } catch (ACIDException e) {
+ e.printStackTrace();
+ return;
+ }
+ }
+
+ //unlock or releaseLocks
+ if (releaseCount == 0) {
+ //unlock
+ for (i = 0; i < lockCount; i++) {
+ try {
+ produceEntityUnlockRequest();
+ if (isDone) {
+ return;
+ }
+ } catch (ACIDException e) {
+ e.printStackTrace();
+ return;
+ }
+ }
+ } else {
+ try {
+ synchronized (txnContext) {
+ if (txnContext.getTxnState() != TransactionState.ABORTED) {
+ txnContext.setTxnState(TransactionState.ABORTED);
+ mayRelease = true;
+ }
+ }
+ if (mayRelease) {
+ produceEntityReleaseLocksRequest();
+ }
+ } catch (ACIDException e) {
+ e.printStackTrace();
+ return;
+ }
+ }
+ }
+
+ private void produceDatasetLockRequest() throws ACIDException {
+ int requestType = RequestType.LOCK;
+ int datasetId = rand.nextInt(MAX_DATASET_NUM);
+ int entityHashValue = -1;
+ byte lockMode = (byte) (rand.nextInt(MAX_LOCK_MODE_NUM));
+ LockRequest request = new LockRequest(Thread.currentThread().getName(), requestType, new DatasetId(datasetId),
+ entityHashValue, lockMode, txnContext);
+ requestQueue.add(request);
+ requestHistory.append(request.prettyPrint());
+ sendRequest(request);
+ }
+
+ private void produceDatasetUnlockRequest() throws ACIDException {
+ LockRequest lockRequest = requestQueue.get(0);
+
+ int requestType = RequestType.RELEASE_LOCKS;
+ int datasetId = lockRequest.datasetIdObj.getId();
+ int entityHashValue = -1;
+ byte lockMode = LockMode.S;//lockMode is not used for unlock() call.
+ LockRequest request = new LockRequest(Thread.currentThread().getName(), requestType, new DatasetId(datasetId),
+ entityHashValue, lockMode, txnContext);
+ requestQueue.add(request);
+ requestHistory.append(request.prettyPrint());
+ sendRequest(request);
+ }
+
+ private void produceEntityLockRequest(byte lockMode) throws ACIDException {
+ int requestType = rand.nextInt(MAX_LOCK_REQUEST_TYPE_NUM);
+ int datasetId = rand.nextInt(MAX_DATASET_NUM);
+ int entityHashValue = rand.nextInt(MAX_ENTITY_NUM);
+ LockRequest request = new LockRequest(Thread.currentThread().getName(), requestType, new DatasetId(datasetId),
+ entityHashValue, lockMode, txnContext);
+ requestQueue.add(request);
+ requestHistory.append(request.prettyPrint());
+ sendRequest(request);
+ }
+
+ private void produceEntityLockUpgradeRequest() throws ACIDException {
+ LockRequest lockRequest = null;
+ int size = requestQueue.size();
+ boolean existLockRequest = false;
+
+ while (upgradeIndex < size) {
+ lockRequest = requestQueue.get(upgradeIndex++);
+ if (lockRequest.isUpgrade || lockRequest.isTryLockFailed) {
+ continue;
+ }
+ if (lockRequest.requestType == RequestType.UNLOCK || lockRequest.requestType == RequestType.RELEASE_LOCKS
+ || lockRequest.requestType == RequestType.INSTANT_LOCK
+ || lockRequest.requestType == RequestType.INSTANT_TRY_LOCK) {
+ continue;
+ }
+ if (lockRequest.lockMode == LockMode.X) {
+ continue;
+ }
+ existLockRequest = true;
+ break;
+ }
+
+ if (existLockRequest) {
+ int requestType = lockRequest.requestType;
+ int datasetId = lockRequest.datasetIdObj.getId();
+ int entityHashValue = lockRequest.entityHashValue;
+ byte lockMode = LockMode.X;
+ LockRequest request = new LockRequest(Thread.currentThread().getName(), requestType, new DatasetId(
+ datasetId), entityHashValue, lockMode, txnContext);
+ request.isUpgrade = true;
+ requestQueue.add(request);
+ requestHistory.append(request.prettyPrint());
+ sendRequest(request);
+ }
+ }
+
+ private void produceEntityUnlockRequest() throws ACIDException {
+ LockRequest lockRequest = null;
+ int size = requestQueue.size();
+ boolean existLockRequest = false;
+
+ while (unlockIndex < size) {
+ lockRequest = requestQueue.get(unlockIndex++);
+ if (lockRequest.isUpgrade || lockRequest.isTryLockFailed) {
+ continue;
+ }
+ if (lockRequest.requestType == RequestType.UNLOCK || lockRequest.requestType == RequestType.RELEASE_LOCKS
+ || lockRequest.requestType == RequestType.INSTANT_LOCK
+ || lockRequest.requestType == RequestType.INSTANT_TRY_LOCK) {
+ continue;
+ }
+ existLockRequest = true;
+ break;
+ }
+
+ if (existLockRequest) {
+ int requestType = RequestType.UNLOCK;
+ int datasetId = lockRequest.datasetIdObj.getId();
+ int entityHashValue = lockRequest.entityHashValue;
+ byte lockMode = lockRequest.lockMode;
+ LockRequest request = new LockRequest(Thread.currentThread().getName(), requestType, new DatasetId(
+ datasetId), entityHashValue, lockMode, txnContext);
+ requestQueue.add(request);
+ requestHistory.append(request.prettyPrint());
+ sendRequest(request);
+ }
+ }
+
+ private void produceEntityReleaseLocksRequest() throws ACIDException {
+ LockRequest lockRequest = null;
+ int size = requestQueue.size();
+ boolean existLockRequest = false;
+
+ while (unlockIndex < size) {
+ lockRequest = requestQueue.get(unlockIndex++);
+ if (lockRequest.isUpgrade || lockRequest.isTryLockFailed) {
+ continue;
+ }
+ if (lockRequest.requestType == RequestType.UNLOCK || lockRequest.requestType == RequestType.RELEASE_LOCKS
+ || lockRequest.requestType == RequestType.INSTANT_LOCK
+ || lockRequest.requestType == RequestType.INSTANT_TRY_LOCK) {
+ continue;
+ }
+ existLockRequest = true;
+ break;
+ }
+
+ if (existLockRequest) {
+ int requestType = RequestType.RELEASE_LOCKS;
+ int datasetId = lockRequest.datasetIdObj.getId();
+ int entityHashValue = lockRequest.entityHashValue;
+ byte lockMode = lockRequest.lockMode;
+ LockRequest request = new LockRequest(Thread.currentThread().getName(), requestType, new DatasetId(
+ datasetId), entityHashValue, lockMode, txnContext);
+ requestQueue.add(request);
+ requestHistory.append(request.prettyPrint());
+ sendRequest(request);
+ }
+ }
+
+ private void sendRequest(LockRequest request) throws ACIDException {
+
+ switch (request.requestType) {
+ case RequestType.LOCK:
+ try {
+ lockMgr.lock(request.datasetIdObj, request.entityHashValue, request.lockMode, request.txnContext);
+ } catch (ACIDException e) {
+ if (request.txnContext.getStatus() == TransactionContext.TIMED_OUT_STATUS) {
+ if (request.txnContext.getTxnState() != TransactionState.ABORTED) {
+ request.txnContext.setTxnState(TransactionState.ABORTED);
+ log("*** " + request.txnContext.getJobId() + " lock request causing deadlock ***");
+ log("Abort --> Releasing all locks acquired by " + request.txnContext.getJobId());
+ try {
+ lockMgr.releaseLocks(request.txnContext);
+ } catch (ACIDException e1) {
+ e1.printStackTrace();
+ }
+ log("Abort --> Released all locks acquired by " + request.txnContext.getJobId());
+ }
+ isDone = true;
+ } else {
+ throw e;
+ }
+ }
+ break;
+ case RequestType.INSTANT_LOCK:
+ try {
+ lockMgr.instantLock(request.datasetIdObj, request.entityHashValue, request.lockMode,
+ request.txnContext);
+ } catch (ACIDException e) {
+ if (request.txnContext.getStatus() == TransactionContext.TIMED_OUT_STATUS) {
+ if (request.txnContext.getTxnState() != TransactionState.ABORTED) {
+ request.txnContext.setTxnState(TransactionState.ABORTED);
+ log("*** " + request.txnContext.getJobId() + " lock request causing deadlock ***");
+ log("Abort --> Releasing all locks acquired by " + request.txnContext.getJobId());
+ try {
+ lockMgr.releaseLocks(request.txnContext);
+ } catch (ACIDException e1) {
+ e1.printStackTrace();
+ }
+ log("Abort --> Released all locks acquired by " + request.txnContext.getJobId());
+ }
+ isDone = true;
+ } else {
+ throw e;
+ }
+ }
+ break;
+ case RequestType.TRY_LOCK:
+ request.isTryLockFailed = !lockMgr.tryLock(request.datasetIdObj, request.entityHashValue,
+ request.lockMode, request.txnContext);
+ break;
+ case RequestType.INSTANT_TRY_LOCK:
+ lockMgr.instantTryLock(request.datasetIdObj, request.entityHashValue, request.lockMode,
+ request.txnContext);
+ break;
+ case RequestType.UNLOCK:
+ lockMgr.unlock(request.datasetIdObj, request.entityHashValue, request.txnContext);
+ break;
+ case RequestType.RELEASE_LOCKS:
+ lockMgr.releaseLocks(request.txnContext);
+ break;
+ default:
+ throw new UnsupportedOperationException("Unsupported lock method");
+ }
+ try {
+ Thread.sleep((long) 0);
+ } catch (InterruptedException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ }
+ }
+
+ private void log(String s) {
+ System.out.println(s);
+ }
+}
+
+class LockRequest {
+ public int requestType;
+ public DatasetId datasetIdObj;
+ public int entityHashValue;
+ public byte lockMode;
+ public TransactionContext txnContext;
+ public boolean isUpgrade;
+ public boolean isTryLockFailed;
+ public long requestTime;
+ public String threadName;
+
+ public LockRequest(String threadName, int requestType, DatasetId datasetIdObj, int entityHashValue, byte lockMode,
+ TransactionContext txnContext) {
+ this.requestType = requestType;
+ this.datasetIdObj = datasetIdObj;
+ this.entityHashValue = entityHashValue;
+ this.lockMode = lockMode;
+ this.txnContext = txnContext;
+ this.requestTime = System.currentTimeMillis();
+ this.threadName = new String(threadName);
+ isUpgrade = false;
+ isTryLockFailed = false;//used for TryLock request not to call Unlock when the tryLock failed.
+ }
+
+ public LockRequest(String threadName, int requestType) {
+ this.requestType = requestType;
+ this.requestTime = System.currentTimeMillis();
+ this.threadName = new String(threadName);
+ }
+
+ //used for "W" request type
+ public LockRequest(String threadName, int requestType, int waitTime) {
+ this.requestType = requestType;
+ this.requestTime = System.currentTimeMillis();
+ this.threadName = new String(threadName);
+ this.entityHashValue = waitTime;
+ }
+
+ public String prettyPrint() {
+ StringBuilder s = new StringBuilder();
+ //s.append(threadName.charAt(7)).append("\t").append("\t");
+ s.append("T").append(threadName.substring(7)).append("\t");
+ switch (requestType) {
+ case RequestType.LOCK:
+ s.append("L");
+ break;
+ case RequestType.TRY_LOCK:
+ s.append("TL");
+ break;
+ case RequestType.INSTANT_LOCK:
+ s.append("IL");
+ break;
+ case RequestType.INSTANT_TRY_LOCK:
+ s.append("ITL");
+ break;
+ case RequestType.UNLOCK:
+ s.append("UL");
+ break;
+ case RequestType.RELEASE_LOCKS:
+ s.append("RL");
+ break;
+ case RequestType.CHECK_SEQUENCE:
+ s.append("CSQ");
+ return s.toString();
+ case RequestType.CHECK_SET:
+ s.append("CST");
+ return s.toString();
+ case RequestType.END:
+ s.append("END");
+ return s.toString();
+ case RequestType.WAIT:
+ s.append("W").append("\t").append(entityHashValue);
+ return s.toString();
+ default:
+ throw new UnsupportedOperationException("Unsupported method");
+ }
+ s.append("\tJ").append(txnContext.getJobId().getId()).append("\tD").append(datasetIdObj.getId()).append("\tE")
+ .append(entityHashValue).append("\t");
+ switch (lockMode) {
+ case LockMode.S:
+ s.append("S");
+ break;
+ case LockMode.X:
+ s.append("X");
+ break;
+ case LockMode.IS:
+ s.append("IS");
+ break;
+ case LockMode.IX:
+ s.append("IX");
+ break;
+ default:
+ throw new UnsupportedOperationException("Unsupported lock mode");
+ }
+ s.append("\n");
+ return s.toString();
+ }
+}
+
+class RequestType {
+ public static final int LOCK = 0;
+ public static final int TRY_LOCK = 1;
+ public static final int INSTANT_LOCK = 2;
+ public static final int INSTANT_TRY_LOCK = 3;
+ public static final int UNLOCK = 4;
+ public static final int RELEASE_LOCKS = 5;
+ public static final int CHECK_SEQUENCE = 6;
+ public static final int CHECK_SET = 7;
+ public static final int END = 8;
+ public static final int WAIT = 9;
+}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/LockMatrix.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/LockMatrix.java
deleted file mode 100644
index 651909d..0000000
--- a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/LockMatrix.java
+++ /dev/null
@@ -1,35 +0,0 @@
-package edu.uci.ics.asterix.transaction.management.service.locking;
-
-/**
- * @author pouria An implementation of the ILockMatrix Each lock mode is shown
- * as an integer. More specifically:
- * - i-th entry of the conflictTable corresponds to the i-th lock mode
- * and it shows the conflicting mask of that mode. j-th bit of the i-th
- * entry is 1 if and only if i-th lock mode conflicts with the j-th lock
- * mode.
- * - i-th entry of the conversionTable corresponds to the i-th lock mode
- * and it shows whether going from that mode to a new mode is actually a
- * conversion or not. j-th bit of the i-th entry is 1 if and only if
- * j-th lock mode is "stronger" than the i-th mode, i.e. lock changing
- * from i-th mode to the j-th mode is actually a conversion.
- */
-public class LockMatrix implements ILockMatrix {
-
- int[] conflictTable;
- int[] conversionTable;
-
- public LockMatrix(int[] confTab, int[] convTab) {
- this.conflictTable = confTab;
- this.conversionTable = convTab;
- }
-
- @Override
- public boolean conflicts(int reqMask, int lockMode) {
- return ((reqMask & conflictTable[lockMode]) != 0);
- }
-
- @Override
- public boolean isConversion(int currentLockMode, int reqLockMode) {
- return ((conversionTable[currentLockMode] & (0x01 << reqLockMode)) != 0);
- }
-}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/LockRequestFile b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/LockRequestFile
new file mode 100644
index 0000000..fc2a883
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/LockRequestFile
@@ -0,0 +1,20 @@
+T1 L J1 D1 E1 S
+T3 L J3 D1 E-1 S
+T2 L J2 D1 E-1 X
+T4 L J4 D1 E1 S
+T0 CST 1 3 -1
+T1 L J1 D1 E2 X
+T0 CST 3 -1
+T3 RL J3 D1 E-1 S
+T0 CST 1 3 -1
+T1 UL J1 D1 E1 S
+T0 CST 1 3 -1
+T1 UL J1 D1 E2 X
+T0 CST 1 2 3 -1
+T3 END
+T1 END
+T2 RL J2 D1 E-1 X
+T2 END
+T0 CST 4 -1
+T4 UL J4 D1 E1 S
+T4 END
\ No newline at end of file
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/LockRequestTracker.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/LockRequestTracker.java
new file mode 100644
index 0000000..ba47b5a
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/LockRequestTracker.java
@@ -0,0 +1,57 @@
+package edu.uci.ics.asterix.transaction.management.service.locking;
+
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Set;
+
+public class LockRequestTracker {
+ HashMap<Integer, StringBuilder> historyPerJob; //per job
+ StringBuilder historyForAllJobs;
+ StringBuilder requestHistoryForAllJobs; //request only
+
+ public LockRequestTracker() {
+ historyForAllJobs = new StringBuilder();
+ historyPerJob = new HashMap<Integer, StringBuilder>();
+ requestHistoryForAllJobs = new StringBuilder();
+ }
+
+ public void addEvent(String msg, LockRequest request) {
+ int jobId = request.txnContext.getJobId().getId();
+ StringBuilder jobHistory = historyPerJob.get(jobId);
+
+ //update jobHistory
+ if (jobHistory == null) {
+ jobHistory = new StringBuilder();
+ }
+ jobHistory.append(request.prettyPrint()).append("--> ").append(msg).append("\n");
+ historyPerJob.put(jobId, jobHistory);
+
+ //handle global request queue
+ historyForAllJobs.append(request.prettyPrint()).append("--> ").append(msg).append("\n");
+ }
+
+ public void addRequest(LockRequest request) {
+ requestHistoryForAllJobs.append(request.prettyPrint());
+ }
+
+ public String getHistoryForAllJobs() {
+ return historyForAllJobs.toString();
+ }
+
+ public String getHistoryPerJob() {
+ StringBuilder history = new StringBuilder();
+ Set<Entry<Integer, StringBuilder>> s = historyPerJob.entrySet();
+ Iterator<Entry<Integer, StringBuilder>> iter = s.iterator();
+ while (iter.hasNext()) {
+ Map.Entry<Integer, StringBuilder> entry = (Map.Entry<Integer, StringBuilder>) iter.next();
+ history.append(entry.getValue().toString());
+ }
+ return history.toString();
+ }
+
+ public String getRequestHistoryForAllJobs() {
+ return requestHistoryForAllJobs.toString();
+ }
+}
\ No newline at end of file
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/LockWaiter.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/LockWaiter.java
new file mode 100644
index 0000000..2015aec
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/LockWaiter.java
@@ -0,0 +1,145 @@
+/*
+ * Copyright 2009-2012 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package edu.uci.ics.asterix.transaction.management.service.locking;
+
+/**
+ * LockWaiter object is used for keeping a lock waiter or a lock upgrader information on a certain resource.
+ * The resource can be a dataset or an entity.
+ * @author kisskys
+ *
+ */
+public class LockWaiter {
+ /**
+ * entityInfoSlotNum:
+ * If this LockWaiter object is used, this variable is used to indicate the corresponding EntityInfoSlotNum.
+ * Otherwise, the variable is used for nextFreeSlot Which indicates the next free waiter object.
+ */
+ private int entityInfoSlotNum;
+ private boolean wait;
+ private boolean victim;
+ private byte waiterCount;
+ private boolean firstGetUp;
+ private int nextWaiterObjId; //used for DatasetLockInfo and EntityLockInfo
+ private int nextWaitingResourceObjId; //used for JobInfo
+ private long beginWaitTime;
+ private boolean isWaiter; //is upgrader or waiter
+ private boolean isWaitingOnEntityLock; //is waiting on datasetLock or entityLock
+
+ public LockWaiter() {
+ this.victim = false;
+ this.wait = true;
+ waiterCount = 0;
+ nextWaiterObjId = -1;
+ nextWaitingResourceObjId = -1;
+ }
+
+ public void setEntityInfoSlot(int slotNum) {
+ this.entityInfoSlotNum = slotNum;
+ }
+
+ public int getEntityInfoSlot() {
+ return this.entityInfoSlotNum;
+ }
+
+ public void setNextFreeSlot(int slotNum) {
+ this.entityInfoSlotNum = slotNum;
+ }
+
+ public int getNextFreeSlot() {
+ return this.entityInfoSlotNum;
+ }
+
+ public void setWait(boolean wait) {
+ this.wait = wait;
+ }
+
+ public boolean needWait() {
+ return this.wait;
+ }
+
+ public void setVictim(boolean victim) {
+ this.victim = victim;
+ }
+
+ public boolean isVictim() {
+ return this.victim;
+ }
+
+ public void increaseWaiterCount() {
+ waiterCount++;
+ }
+
+ public void decreaseWaiterCount() {
+ waiterCount--;
+ }
+
+ public byte getWaiterCount() {
+ return waiterCount;
+ }
+
+ public void setWaiterCount(byte count) {
+ waiterCount = count;
+ }
+
+ public void setFirstGetUp(boolean isFirst) {
+ firstGetUp = isFirst;
+ }
+
+ public boolean isFirstGetUp() {
+ return firstGetUp;
+ }
+
+ public void setNextWaiterObjId(int next) {
+ nextWaiterObjId = next;
+ }
+
+ public int getNextWaiterObjId() {
+ return nextWaiterObjId;
+ }
+
+ public void setNextWaitingResourceObjId(int next) {
+ nextWaitingResourceObjId = next;
+ }
+
+ public int getNextWaitingResourceObjId() {
+ return nextWaitingResourceObjId;
+ }
+
+ public void setBeginWaitTime(long time) {
+ this.beginWaitTime = time;
+ }
+
+ public long getBeginWaitTime() {
+ return beginWaitTime;
+ }
+
+ public boolean isWaiter() {
+ return isWaiter;
+ }
+
+ public void setWaiter(boolean isWaiter) {
+ this.isWaiter = isWaiter;
+ }
+
+ public boolean isWaitingOnEntityLock() {
+ return isWaitingOnEntityLock;
+ }
+
+ public void setWaitingOnEntityLock(boolean isWaitingOnEntityLock) {
+ this.isWaitingOnEntityLock = isWaitingOnEntityLock;
+ }
+
+}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/LockWaiterManager.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/LockWaiterManager.java
new file mode 100644
index 0000000..dbe76ff
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/LockWaiterManager.java
@@ -0,0 +1,377 @@
+/*
+ * Copyright 2009-2012 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package edu.uci.ics.asterix.transaction.management.service.locking;
+
+import java.util.ArrayList;
+
+/**
+ * LockWaiterManager manages LockWaiter objects array.
+ * The array grows when the slots are overflowed.
+ * Also, the array shrinks according to the following shrink policy
+ * : Shrink when the resource under-utilization lasts for a certain threshold time.
+ *
+ * @author kisskys
+ */
+public class LockWaiterManager {
+
+ public static final int SHRINK_TIMER_THRESHOLD = 120000; //2min
+
+ private ArrayList<ChildLockWaiterArrayManager> pArray; //parent array
+ private int allocChild; //used to allocate the next free LockWaiter object.
+ private long shrinkTimer;
+ private boolean isShrinkTimerOn;
+ private int occupiedSlots;
+
+// ////////////////////////////////////////////////
+// // begin of unit test
+// ////////////////////////////////////////////////
+//
+// public static final int SHRINK_TIMER_THRESHOLD = 0; //for unit test
+//
+// /**
+// * @param args
+// */
+// public static void main(String[] args) {
+// final int DataSize = 5000;
+//
+// int i, j;
+// int slots = ChildLockWaiterArrayManager.NUM_OF_SLOTS;
+// int data[] = new int[DataSize];
+// LockWaiterManager lwMgr = new LockWaiterManager();
+//
+// //allocate: 50
+// System.out.println("allocate: 50");
+// for (i = 0; i < 5; i++) {
+// for (j = i * slots; j < i * slots + slots; j++) {
+// data[j] = lwMgr.allocate();
+// }
+//
+// System.out.println(lwMgr.prettyPrint());
+// }
+//
+// //deallocate from the last child to the first child
+// System.out.println("deallocate from the last child to the first child");
+// for (i = 4; i >= 0; i--) {
+// for (j = i * slots + slots - 1; j >= i * slots; j--) {
+// lwMgr.deallocate(data[j]);
+// }
+// System.out.println(lwMgr.prettyPrint());
+// }
+//
+// //allocate: 50
+// System.out.println("allocate: 50");
+// for (i = 0; i < 5; i++) {
+// for (j = i * slots; j < i * slots + slots; j++) {
+// data[j] = lwMgr.allocate();
+// }
+//
+// System.out.println(lwMgr.prettyPrint());
+// }
+//
+// //deallocate from the first child to last child
+// System.out.println("deallocate from the first child to last child");
+// for (i = 0; i < 5; i++) {
+// for (j = i * slots; j < i * slots + slots; j++) {
+// lwMgr.deallocate(data[j]);
+// }
+//
+// System.out.println(lwMgr.prettyPrint());
+// }
+//
+// //allocate: 50
+// System.out.println("allocate: 50");
+// for (i = 0; i < 5; i++) {
+// for (j = i * slots; j < i * slots + slots; j++) {
+// data[j] = lwMgr.allocate();
+// }
+//
+// System.out.println(lwMgr.prettyPrint());
+// }
+//
+// //deallocate from the first child to 4th child
+// System.out.println("deallocate from the first child to 4th child");
+// for (i = 0; i < 4; i++) {
+// for (j = i * slots; j < i * slots + slots; j++) {
+// lwMgr.deallocate(data[j]);
+// }
+//
+// System.out.println(lwMgr.prettyPrint());
+// }
+//
+// //allocate: 40
+// System.out.println("allocate: 40");
+// for (i = 0; i < 4; i++) {
+// for (j = i * slots; j < i * slots + slots; j++) {
+// data[j] = lwMgr.allocate();
+// }
+//
+// System.out.println(lwMgr.prettyPrint());
+// }
+// }
+//
+// ////////////////////////////////////////////////
+// // end of unit test
+// ////////////////////////////////////////////////
+
+ public LockWaiterManager() {
+ pArray = new ArrayList<ChildLockWaiterArrayManager>();
+ pArray.add(new ChildLockWaiterArrayManager());
+ allocChild = 0;
+ occupiedSlots = 0;
+ isShrinkTimerOn = false;
+ }
+
+ public int allocate() {
+ if (pArray.get(allocChild).isFull()) {
+ int size = pArray.size();
+ boolean bAlloc = false;
+ ChildLockWaiterArrayManager child;
+
+ //find a deinitialized child and initialize it
+ for (int i = 0; i < size; i++) {
+ child = pArray.get(i);
+ if (child.isDeinitialized()) {
+ child.initialize();
+ allocChild = i;
+ bAlloc = true;
+ break;
+ }
+ }
+
+ //allocate new child when there is no deinitialized child
+ if (!bAlloc) {
+ pArray.add(new ChildLockWaiterArrayManager());
+ allocChild = pArray.size() - 1;
+ }
+ }
+ occupiedSlots++;
+ return pArray.get(allocChild).allocate() + allocChild * ChildLockWaiterArrayManager.NUM_OF_SLOTS;
+ }
+
+ void deallocate(int slotNum) {
+ pArray.get(slotNum / ChildLockWaiterArrayManager.NUM_OF_SLOTS).deallocate(
+ slotNum % ChildLockWaiterArrayManager.NUM_OF_SLOTS);
+ occupiedSlots--;
+
+ if (needShrink()) {
+ shrink();
+ }
+ }
+
+ /**
+ * Shrink policy:
+ * Shrink when the resource under-utilization lasts for a certain amount of time.
+ * TODO Need to figure out which of the policies is better
+ * case1.
+ * pArray status : O x x x x x O (O is initialized, x is deinitialized)
+ * In the above status, 'CURRENT' needShrink() returns 'TRUE'
+ * even if there is nothing to shrink or deallocate.
+ * It doesn't distinguish the deinitialized children from initialized children
+ * by calculating totalNumOfSlots = pArray.size() * ChildLockWaiterArrayManager.NUM_OF_SLOTS.
+ * In other words, it doesn't subtract the deinitialized children's slots.
+ * case2.
+ * pArray status : O O x x x x x
+ * However, in the above case, if we subtract the deinitialized children's slots,
+ * needShrink() will return false even if we shrink the pArray at this case.
+ *
+ * @return
+ */
+ private boolean needShrink() {
+ int size = pArray.size();
+ int usedSlots = occupiedSlots;
+ if (usedSlots == 0) {
+ usedSlots = 1;
+ }
+
+ if (size > 1 && size * ChildLockWaiterArrayManager.NUM_OF_SLOTS / usedSlots >= 3) {
+ if (isShrinkTimerOn) {
+ if (System.currentTimeMillis() - shrinkTimer >= SHRINK_TIMER_THRESHOLD) {
+ isShrinkTimerOn = false;
+ return true;
+ }
+ } else {
+ //turn on timer
+ isShrinkTimerOn = true;
+ shrinkTimer = System.currentTimeMillis();
+ }
+ } else {
+ //turn off timer
+ isShrinkTimerOn = false;
+ }
+
+ return false;
+ }
+
+ /**
+ * Shrink() may
+ * deinitialize(:deallocates array of LockWaiter objects in a child) Children(s) or
+ * shrink pArray according to the deinitialized children's contiguity status.
+ * It doesn't deinitialize or shrink more than half of children at a time.
+ */
+ private void shrink() {
+ int i;
+ boolean bContiguous = true;
+ int decreaseCount = 0;
+ int size = pArray.size();
+ int maxDecreaseCount = size / 2;
+ ChildLockWaiterArrayManager child;
+ for (i = size - 1; i >= 0; i--) {
+ child = pArray.get(i);
+ if (child.isEmpty() || child.isDeinitialized()) {
+ if (bContiguous) {
+ pArray.remove(i);
+ if (++decreaseCount == maxDecreaseCount) {
+ break;
+ }
+ } else {
+ bContiguous = false;
+ if (child.isEmpty()) {
+ child.deinitialize();
+ if (++decreaseCount == maxDecreaseCount) {
+ break;
+ }
+ }
+ }
+ } else {
+ bContiguous = false;
+ }
+ }
+
+ //reset allocChild when the child is removed or deinitialized.
+ size = pArray.size();
+ if (allocChild >= size || pArray.get(allocChild).isDeinitialized()) {
+ //set allocChild to any initialized one.
+ //It is guaranteed that there is at least one initialized child.
+ for (i = 0; i < size; i++) {
+ if (!pArray.get(i).isDeinitialized()) {
+ allocChild = i;
+ break;
+ }
+ }
+ }
+ }
+
+ public String prettyPrint() {
+ StringBuilder s = new StringBuilder("\n########### LockWaiterManager Status #############\n");
+ int size = pArray.size();
+ ChildLockWaiterArrayManager child;
+ LockWaiter waiter;
+
+ for (int i = 0; i < size; i++) {
+ child = pArray.get(i);
+ if (child.isDeinitialized()) {
+ continue;
+ }
+ s.append("child[" + i + "]: occupiedSlots:" + child.getNumOfOccupiedSlots());
+ s.append(" freeSlotNum:" + child.getFreeSlotNum() + "\n");
+ for (int j = 0; j < ChildLockWaiterArrayManager.NUM_OF_SLOTS; j++) {
+ waiter = child.getLockWaiter(j);
+ s.append(j).append(": ");
+ s.append("\t" + waiter.getEntityInfoSlot());
+ s.append("\t" + waiter.needWait());
+ s.append("\t" + waiter.isVictim());
+ s.append("\n");
+ }
+ s.append("\n");
+ }
+ return s.toString();
+ }
+
+ public LockWaiter getLockWaiter(int slotNum) {
+ return pArray.get(slotNum / ChildLockWaiterArrayManager.NUM_OF_SLOTS).getLockWaiter(
+ slotNum % ChildLockWaiterArrayManager.NUM_OF_SLOTS);
+ }
+}
+
+class ChildLockWaiterArrayManager {
+ public static final int NUM_OF_SLOTS = 100; //number of LockWaiter objects in 'childArray'.
+// public static final int NUM_OF_SLOTS = 10; //for unit test
+
+ private int freeSlotNum;
+ private int occupiedSlots; //-1 represents 'deinitialized' state.
+ LockWaiter childArray[];//childArray
+
+ public ChildLockWaiterArrayManager() {
+ initialize();
+ }
+
+ public void initialize() {
+ this.childArray = new LockWaiter[NUM_OF_SLOTS];
+ this.freeSlotNum = 0;
+ this.occupiedSlots = 0;
+
+ for (int i = 0; i < NUM_OF_SLOTS - 1; i++) {
+ childArray[i] = new LockWaiter();
+ childArray[i].setNextFreeSlot(i + 1);
+ }
+ childArray[NUM_OF_SLOTS - 1] = new LockWaiter();
+ childArray[NUM_OF_SLOTS - 1].setNextFreeSlot(-1); //-1 represents EOL(end of link)
+ }
+
+ public LockWaiter getLockWaiter(int slotNum) {
+ return childArray[slotNum];
+ }
+
+ public int allocate() {
+ int currentSlot = freeSlotNum;
+ freeSlotNum = childArray[currentSlot].getNextFreeSlot();
+ childArray[currentSlot].setWait(true);
+ childArray[currentSlot].setVictim(false);
+ childArray[currentSlot].setWaiterCount((byte)0);
+ childArray[currentSlot].setNextWaiterObjId(-1);
+ childArray[currentSlot].setNextWaitingResourceObjId(-1);
+ childArray[currentSlot].setBeginWaitTime(-1l);
+ occupiedSlots++;
+ if (LockManager.IS_DEBUG_MODE) {
+ System.out.println(Thread.currentThread().getName()+" Alloc LockWaiterId("+currentSlot+")");
+ }
+ return currentSlot;
+ }
+
+ public void deallocate(int slotNum) {
+ childArray[slotNum].setNextFreeSlot(freeSlotNum);
+ freeSlotNum = slotNum;
+ occupiedSlots--;
+ if (LockManager.IS_DEBUG_MODE) {
+ System.out.println(Thread.currentThread().getName()+" Dealloc LockWaiterId("+slotNum+")");
+ }
+ }
+
+ public void deinitialize() {
+ childArray = null;
+ occupiedSlots = -1;
+ }
+
+ public boolean isDeinitialized() {
+ return occupiedSlots == -1;
+ }
+
+ public boolean isFull() {
+ return occupiedSlots == NUM_OF_SLOTS;
+ }
+
+ public boolean isEmpty() {
+ return occupiedSlots == 0;
+ }
+
+ public int getNumOfOccupiedSlots() {
+ return occupiedSlots;
+ }
+
+ public int getFreeSlotNum() {
+ return freeSlotNum;
+ }
+}
\ No newline at end of file
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/PrimitiveIntHashMap.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/PrimitiveIntHashMap.java
new file mode 100644
index 0000000..be9c080
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/PrimitiveIntHashMap.java
@@ -0,0 +1,592 @@
+/*
+ * Copyright 2009-2012 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package edu.uci.ics.asterix.transaction.management.service.locking;
+
+import java.util.ArrayList;
+
+/**
+ * PrimitiveIntHashMap supports primitive int type as key and value.
+ * The hash map grows when the available slots in a bucket are overflowed.
+ * Also, the hash map shrinks according to the following shrink policy.
+ * : Shrink when the resource under-utilization lasts for a certain threshold time.
+ *
+ * @author kisskys
+ *
+ */
+public class PrimitiveIntHashMap {
+ private final int CHILD_BUCKETS; //INIT_NUM_OF_BUCKETS;
+ private final int NUM_OF_SLOTS; //NUM_OF_SLOTS_IN_A_BUCKET;
+ private final int SHRINK_TIMER_THRESHOLD;
+
+ private int occupiedSlots;
+ private ArrayList<ChildIntArrayManager> pArray; //parent array
+ private int hashMod;
+ private long shrinkTimer;
+ private boolean isShrinkTimerOn;
+ private int iterBucketIndex;
+ private int iterSlotIndex;
+ private int iterChildIndex;
+ private KeyValuePair iterPair;
+
+// ////////////////////////////////////////////////
+// // begin of unit test
+// ////////////////////////////////////////////////
+//
+// /**
+// * @param args
+// */
+// public static void main(String[] args) {
+// int i, j;
+// int k = 0;
+// int num = 5;
+// int key[] = new int[500];
+// int val[] = new int[500];
+// KeyValuePair pair;
+// PrimitiveIntHashMap map = new PrimitiveIntHashMap(1<<4, 1<<3, 5);
+//
+// for (j=0; j < num; j++) {
+//
+// k += 100;
+// //generate data
+// for (i=0; i < k; i++) {
+// key[i] = i;
+// val[i] = i;
+// }
+//
+// //put data to map
+// for (i=0; i < k-30; i++) {
+// map.put(key[i], val[i]);
+// }
+//
+// //put data to map
+// for (i=0; i < k-30; i++) {
+// map.put(key[i], val[i]);
+// }
+//
+// map.beginIterate();
+// pair = map.getNextKeyValue();
+// i = 0;
+// while (pair != null) {
+// i++;
+// System.out.println("["+i+"] key:"+ pair.key + ", val:"+ pair.value);
+// pair = map.getNextKeyValue();
+// }
+//
+// //System.out.println(map.prettyPrint());
+//
+// for (i=k-20; i< k; i++) { //skip X70~X79
+// map.put(key[i], val[i]);
+// }
+//
+// System.out.println(map.prettyPrint());
+//
+// //remove data to map
+// for (i=0; i < k-10; i++) {
+// map.remove(key[i]);
+// try {
+// Thread.currentThread().sleep(1);
+// } catch (InterruptedException e) {
+// e.printStackTrace();
+// }
+// }
+//
+// map.beginIterate();
+// pair = map.getNextKeyValue();
+// i = 0;
+// while (pair != null) {
+// i++;
+// System.out.println("["+i+"] key:"+ pair.key + ", val:"+ pair.value);
+// pair = map.getNextKeyValue();
+// }
+//
+// //remove data to map
+// for (i=0; i < k-10; i++) {
+// map.remove(key[i]);
+// try {
+// Thread.currentThread().sleep(1);
+// } catch (InterruptedException e) {
+// // TODO Auto-generated catch block
+// e.printStackTrace();
+// }
+// }
+//
+// System.out.println(map.prettyPrint());
+//
+// //get data from map
+// for (i=0; i < k; i++) {
+// System.out.println(""+i+"=> key:"+ key[i] + ", val:"+val[i] +", result: " + map.get(key[i]));
+// }
+// }
+//
+// map.beginIterate();
+// pair = map.getNextKeyValue();
+// i = 0;
+// while (pair != null) {
+// i++;
+// System.out.println("["+i+"] key:"+ pair.key + ", val:"+ pair.value);
+// pair = map.getNextKeyValue();
+// }
+// }
+//
+// ////////////////////////////////////////////////
+// // end of unit test
+// ////////////////////////////////////////////////
+
+ public PrimitiveIntHashMap() {
+ CHILD_BUCKETS = 1<<9; //INIT_NUM_OF_BUCKETS;
+ NUM_OF_SLOTS = 1<<3; //NUM_OF_SLOTS_IN_A_BUCKET;
+ SHRINK_TIMER_THRESHOLD = 120000; //2min
+ pArray = new ArrayList<ChildIntArrayManager>();
+ pArray.add(new ChildIntArrayManager(this));
+ hashMod = CHILD_BUCKETS;
+ occupiedSlots = 0;
+ iterPair = new KeyValuePair();
+ }
+
+ public PrimitiveIntHashMap(int childBuckets, int numOfSlots, int shrinkTimerThreshold) {
+ CHILD_BUCKETS = childBuckets;
+ NUM_OF_SLOTS = numOfSlots;
+ SHRINK_TIMER_THRESHOLD = shrinkTimerThreshold;
+ pArray = new ArrayList<ChildIntArrayManager>();
+ pArray.add(new ChildIntArrayManager(this));
+ hashMod = CHILD_BUCKETS;
+ occupiedSlots = 0;
+ iterPair = new KeyValuePair();
+ }
+
+ public void put(int key, int value) {
+ int growCount = 0;
+ int bucketNum = hash(key);
+ ChildIntArrayManager child = pArray.get(bucketNum/CHILD_BUCKETS);
+ while (child.isFull(bucketNum%CHILD_BUCKETS)) {
+ growHashMap();
+ bucketNum = hash(key);
+ child = pArray.get(bucketNum/CHILD_BUCKETS);
+ if (growCount > 2) {
+ //changeHashFunc();
+ }
+ growCount++;
+ }
+ occupiedSlots += child.put(bucketNum%CHILD_BUCKETS, key, value, false);
+ }
+
+ public void upsert (int key, int value) {
+ int growCount = 0;
+ int bucketNum = hash(key);
+ ChildIntArrayManager child = pArray.get(bucketNum/CHILD_BUCKETS);
+ while (child.isFull(bucketNum%CHILD_BUCKETS)) {
+ growHashMap();
+ bucketNum = hash(key);
+ child = pArray.get(bucketNum/CHILD_BUCKETS);
+ if (growCount > 2) {
+ //changeHashFunc();
+ }
+ growCount++;
+ }
+ occupiedSlots += child.put(bucketNum%CHILD_BUCKETS, key, value, true);
+ }
+
+ private int hash(int key) {
+ return key%hashMod;
+ }
+
+ private void growHashMap() {
+ int size = pArray.size();
+ int i;
+
+ //grow buckets by adding more child
+ for (i=0; i<size; i++) {
+ pArray.add(new ChildIntArrayManager(this));
+ }
+
+ //increase hashMod
+ hashMod *= 2;
+
+ //re-hash
+ rehash(0, size, hashMod/2);
+ }
+
+ private void shrinkHashMap() {
+ int size = pArray.size();
+ int i;
+
+ //decrease hashMod
+ hashMod /= 2;
+
+ //re-hash
+ rehash(size/2, size, hashMod*2);
+
+ //shrink buckets by removing child(s)
+ for (i=size-1; i>=size/2;i--) {
+ pArray.remove(i);
+ }
+ }
+
+ private void rehash(int begin, int end, int oldHashMod) {
+ int i, j, k;
+ int key, value;
+ ChildIntArrayManager child;
+
+ //re-hash
+ for (i=begin; i<end; i++) {
+ child = pArray.get(i);
+ for (j=0; j<CHILD_BUCKETS; j++) {
+ if (child.cArray[j][0] == 0) {
+ continue;
+ }
+ for (k=1; k<NUM_OF_SLOTS; k++) {
+ //if the hashValue of the key is different, then re-hash it.
+ key = child.cArray[j][k*2];
+ if (hash(key) != key%oldHashMod) {
+ value = child.cArray[j][k*2+1];
+ //remove existing key and value
+ //Notice! To avoid bucket iteration, child.remove() is not used.
+ child.cArray[j][k*2] = -1;
+ child.cArray[j][0]--;
+ //re-hash it
+ pArray.get(hash(key)/CHILD_BUCKETS).put(hash(key)%CHILD_BUCKETS, key, value, false);
+ }
+ }
+ }
+ }
+ }
+
+// private void changeHashFunc() {
+// //TODO need to implement.
+// throw new UnsupportedOperationException("changeHashFunc() not implemented");
+// }
+
+ public int get(int key) {
+ int bucketNum = hash(key);
+ return pArray.get(bucketNum/CHILD_BUCKETS).get(bucketNum%CHILD_BUCKETS, key);
+ }
+
+ public void remove(int key) {
+ int bucketNum = hash(key);
+ occupiedSlots -= pArray.get(bucketNum/CHILD_BUCKETS).remove(bucketNum%CHILD_BUCKETS, key);
+
+ if (needShrink()) {
+ shrinkHashMap();
+ }
+ }
+
+ /**
+ * Shrink policy:
+ * Shrink when the resource under-utilization lasts for a certain amount of time.
+ * @return
+ */
+ private boolean needShrink() {
+ int size = pArray.size();
+ int usedSlots = occupiedSlots;
+ if (usedSlots == 0) {
+ usedSlots = 1;
+ }
+ if (size > 1 && size*CHILD_BUCKETS*NUM_OF_SLOTS/usedSlots >= 3 && isSafeToShrink()) {
+ if (isShrinkTimerOn) {
+ if (System.currentTimeMillis() - shrinkTimer >= SHRINK_TIMER_THRESHOLD) {
+ isShrinkTimerOn = false;
+ return true;
+ }
+ } else {
+ //turn on timer
+ isShrinkTimerOn = true;
+ shrinkTimer = System.currentTimeMillis();
+ }
+ } else {
+ //turn off timer
+ isShrinkTimerOn = false;
+ }
+ return false;
+ }
+
+ private boolean isSafeToShrink() {
+ int i, j;
+ int size = pArray.size();
+ //Child: 0, 1, 2, 3, 4, 5, 6, 7
+ //[HChild(Head Child):0 and TChild(Tail Child): 4], [1(H),5(T)], [2(H),6(T)] and so on.
+ //When the map shrinks, the sum of occupied slots in H/TChild should not exceed the NUM_OF_SLOTS-1.
+ //Then it is safe to shrink. Otherwise, unsafe.
+ ChildIntArrayManager HChild, TChild;
+
+ for (i=0; i<size/2; i++){
+ HChild = pArray.get(i);
+ TChild = pArray.get(size/2+i);
+ for (j=0; j<CHILD_BUCKETS; j++) {
+ if (HChild.cArray[j][0] + TChild.cArray[j][0] > NUM_OF_SLOTS-1) {
+ return false;
+ }
+ }
+ }
+ return true;
+ }
+
+ public String prettyPrint() {
+ StringBuilder s = new StringBuilder("\n########### PrimitiveIntHashMap Status #############\n");
+ ChildIntArrayManager child;
+ int i, j, k;
+ int size = pArray.size();
+ for (i=0; i<size;i++) {
+ child = pArray.get(i);
+ s.append("child[").append(i).append("]\n");
+ for (j=0; j<CHILD_BUCKETS;j++) {
+ s.append(j).append(" ");
+ for (k=0; k<NUM_OF_SLOTS;k++) {
+ s.append("[").append(child.cArray[j][k*2]).append(",").append(child.cArray[j][k*2+1]).append("] ");
+ }
+ s.append("\n");
+ }
+ }
+ return s.toString();
+ }
+
+ public int getNumOfSlots() {
+ return NUM_OF_SLOTS;
+ }
+
+ public int getNumOfChildBuckets() {
+ return CHILD_BUCKETS;
+ }
+
+ public void clear(boolean needShrink) {
+ int size = pArray.size();
+ for (int i=size-1; i >= 0; i--) {
+ if (needShrink && i != 0) {
+ pArray.remove(i);
+ } else {
+ pArray.get(i).clear();
+ }
+ }
+ occupiedSlots = 0;
+ }
+
+ ///////////////////////////////////////
+ // iterate method
+ ///////////////////////////////////////
+
+ public void beginIterate() {
+ iterChildIndex = 0;
+ iterBucketIndex = 0;
+ iterSlotIndex = 1;
+ }
+
+ public KeyValuePair getNextKeyValue() {
+ for (; iterChildIndex < pArray.size(); iterChildIndex++, iterBucketIndex = 0) {
+ for (; iterBucketIndex < CHILD_BUCKETS; iterBucketIndex++, iterSlotIndex = 1) {
+ if (iterSlotIndex ==1 && pArray.get(iterChildIndex).cArray[iterBucketIndex][0] == 0) {
+ continue;
+ }
+ for (; iterSlotIndex < NUM_OF_SLOTS; iterSlotIndex++) {
+ iterPair.key = pArray.get(iterChildIndex).cArray[iterBucketIndex][iterSlotIndex*2];
+ if (iterPair.key == -1) {
+ continue;
+ }
+ iterPair.value = pArray.get(iterChildIndex).cArray[iterBucketIndex][iterSlotIndex*2+1];
+ iterSlotIndex++;
+ return iterPair;
+ }
+ }
+ }
+ return null;
+ }
+
+ public int getNextKey() {
+ for (; iterChildIndex < pArray.size(); iterChildIndex++, iterBucketIndex = 0) {
+ for (; iterBucketIndex < CHILD_BUCKETS; iterBucketIndex++, iterSlotIndex = 1) {
+ if (iterSlotIndex ==1 && pArray.get(iterChildIndex).cArray[iterBucketIndex][0] == 0) {
+ continue;
+ }
+ for (; iterSlotIndex < NUM_OF_SLOTS; iterSlotIndex++) {
+ iterPair.key = pArray.get(iterChildIndex).cArray[iterBucketIndex][iterSlotIndex*2];
+ if (iterPair.key == -1) {
+ continue;
+ }
+ iterSlotIndex++;
+ return iterPair.key;
+ }
+ }
+ }
+ return -1;
+ }
+
+ public int getNextValue() {
+ for (; iterChildIndex < pArray.size(); iterChildIndex++, iterBucketIndex = 0) {
+ for (; iterBucketIndex < CHILD_BUCKETS; iterBucketIndex++, iterSlotIndex = 1) {
+ if (iterSlotIndex ==1 && pArray.get(iterChildIndex).cArray[iterBucketIndex][0] == 0) {
+ continue;
+ }
+ for (; iterSlotIndex < NUM_OF_SLOTS; iterSlotIndex++) {
+ iterPair.key = pArray.get(iterChildIndex).cArray[iterBucketIndex][iterSlotIndex*2];
+ if (iterPair.key == -1) {
+ continue;
+ }
+ iterPair.value = pArray.get(iterChildIndex).cArray[iterBucketIndex][iterSlotIndex*2+1];
+ iterSlotIndex++;
+ return iterPair.value;
+ }
+ }
+ }
+ return -1;
+ }
+
+ public static class KeyValuePair {
+ public int key;
+ public int value;
+ }
+}
+
+class ChildIntArrayManager {
+ private final int DIM1_SIZE;
+ private final int DIM2_SIZE;
+ private final int NUM_OF_SLOTS;
+ public int[][] cArray; //child array
+
+ public ChildIntArrayManager(PrimitiveIntHashMap parentHashMap) {
+ DIM1_SIZE = parentHashMap.getNumOfChildBuckets();
+ DIM2_SIZE = parentHashMap.getNumOfSlots() * 2; //2: Array of [key, value] pair
+ NUM_OF_SLOTS = parentHashMap.getNumOfSlots() ;
+ initialize();
+ }
+
+ private void initialize() {
+ cArray = new int[DIM1_SIZE][DIM2_SIZE];
+ int i, j;
+ for (i = 0; i < DIM1_SIZE; i++) {
+ //cArray[i][0] is used as a counter to count how many slots are used in this bucket.
+ //cArray[i][1] is not used.
+ cArray[i][0] = 0;
+ for (j = 1; j < NUM_OF_SLOTS; j++) {
+ cArray[i][j*2] = -1; // -1 represent that the slot is empty
+ }
+ }
+ }
+
+ public void clear() {
+ int i, j;
+ for (i = 0; i < DIM1_SIZE; i++) {
+ //cArray[i][0] is used as a counter to count how many slots are used in this bucket.
+ //cArray[i][1] is not used.
+ if (cArray[i][0] == 0) {
+ continue;
+ }
+ cArray[i][0] = 0;
+ for (j = 1; j < NUM_OF_SLOTS; j++) {
+ cArray[i][j*2] = -1; // -1 represent that the slot is empty
+ }
+ }
+ }
+
+ public void deinitialize() {
+ cArray = null;
+ }
+
+ public void allocate() {
+ initialize();
+ }
+
+ public boolean isFull(int bucketNum) {
+ return cArray[bucketNum][0] == NUM_OF_SLOTS-1;
+ }
+
+ public boolean isEmpty(int bucketNum) {
+ return cArray[bucketNum][0] == 0;
+ }
+
+ /**
+ * Put key,value into a slot in the bucket if the key doesn't exist.
+ * Update value if the key exists and if isUpsert is true
+ * No need to call get() to check the existence of the key before calling put().
+ * Notice! Caller should make sure that there is an available slot.
+ *
+ * @param bucketNum
+ * @param key
+ * @param value
+ * @param isUpsert
+ * @return 1 for new insertion, 0 for key duplication
+ */
+ public int put(int bucketNum, int key, int value, boolean isUpsert) {
+ int i;
+ int emptySlot=-1;
+
+ if (cArray[bucketNum][0] == 0) {
+ cArray[bucketNum][2] = key;
+ cArray[bucketNum][3] = value;
+ cArray[bucketNum][0]++;
+ return 1;
+ }
+
+ for (i = 1; i < NUM_OF_SLOTS; i++) {
+ if (cArray[bucketNum][i*2] == key) {
+ if (isUpsert) {
+ cArray[bucketNum][emptySlot*2+1] = value;
+ }
+ return 0;
+ }
+ else if (cArray[bucketNum][i*2] == -1) {
+ emptySlot = i;
+ }
+ }
+
+ if (emptySlot == -1) {
+ throw new UnsupportedOperationException("error");
+ }
+
+ cArray[bucketNum][emptySlot*2] = key;
+ cArray[bucketNum][emptySlot*2+1] = value;
+ cArray[bucketNum][0]++;
+ return 1;
+ }
+
+ public int get(int bucketNum, int key) {
+ int i;
+
+ if (cArray[bucketNum][0] == 0) {
+ return -1;
+ }
+
+ for (i = 1; i < NUM_OF_SLOTS; i++) {
+ if (cArray[bucketNum][i*2] == key) {
+ return cArray[bucketNum][i*2+1];
+ }
+ }
+ return -1;
+ }
+
+ /**
+ * remove key if it exists. Otherwise, ignore it.
+ * @param bucketNum
+ * @param key
+ * @return 1 for success, 0 if the key doesn't exist
+ */
+ public int remove(int bucketNum, int key) {
+ int i;
+
+ if (cArray[bucketNum][0] == 0) {
+ return 0;
+ }
+
+ for (i = 1; i < NUM_OF_SLOTS; i++) {
+ if (cArray[bucketNum][i*2] == key) {
+ cArray[bucketNum][i*2] = -1;
+ cArray[bucketNum][0]--;
+ return 1;
+ }
+ }
+
+ return 0;
+ }
+}
+
+
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/TimeOutDetector.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/TimeOutDetector.java
index 6c391f4..6bc8c6b 100644
--- a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/TimeOutDetector.java
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/TimeOutDetector.java
@@ -3,10 +3,10 @@
import java.util.LinkedList;
import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
-import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionContext;
/**
- * @author pouria Any transaction which has been waiting for a lock for more
+ * @author pouria, kisskys
+ * Any transaction which has been waiting for a lock for more
* than the predefined time-out threshold is considered to be deadlocked
* (this can happen in distributed case for example) An instance of this
* class triggers scanning (sweeping) lock manager's transactions table
@@ -15,14 +15,14 @@
public class TimeOutDetector {
static final long TIME_OUT_THRESHOLD = 60000;
- static final long SWEEP_PERIOD = 120000;
+ static final long SWEEP_PERIOD = 10000;//120000;
LockManager lockMgr;
Thread trigger;
- LinkedList<WaitEntry> victimsWObjs;
+ LinkedList<LockWaiter> victimList;
public TimeOutDetector(LockManager lockMgr) {
- this.victimsWObjs = new LinkedList<WaitEntry>();
+ this.victimList = new LinkedList<LockWaiter>();
this.lockMgr = lockMgr;
this.trigger = new Thread(new TimeoutTrigger(this));
trigger.setDaemon(true);
@@ -30,33 +30,29 @@
}
public void sweep() throws ACIDException {
- victimsWObjs.clear();
- lockMgr.sweepForTimeout(); // Initiates the time-out sweeping process
- // from the lockManager
+ victimList.clear();
+ // Initiates the time-out sweeping process
+ // from the lockManager
+ lockMgr.sweepForTimeout();
notifyVictims();
}
- public boolean isVictim(TxrInfo txrInfo) {
- long sWTime = txrInfo.getStartWaitTime();
- int status = txrInfo.getContext().getStatus();
- return (status != TransactionContext.TIMED_OUT_SATUS && sWTime != TransactionContext.INVALID_TIME && (System
- .currentTimeMillis() - sWTime) >= TIME_OUT_THRESHOLD);
- }
-
- public void addToVictimsList(WaitEntry wEntry) {
- victimsWObjs.add(wEntry);
+ public void checkAndSetVictim(LockWaiter waiterObj) {
+ if (System.currentTimeMillis() - waiterObj.getBeginWaitTime() >= TIME_OUT_THRESHOLD) {
+ waiterObj.setVictim(true);
+ waiterObj.setWait(false);
+ victimList.add(waiterObj);
+ }
}
private void notifyVictims() {
- for (WaitEntry w : victimsWObjs) {
- synchronized (w) {
- w.wakeUp();
- w.notifyAll();
+ for (LockWaiter waiterObj : victimList) {
+ synchronized (waiterObj) {
+ waiterObj.notifyAll();
}
}
- victimsWObjs.clear();
+ victimList.clear();
}
-
}
class TimeoutTrigger implements Runnable {
@@ -79,9 +75,6 @@
} catch (ACIDException e) {
throw new IllegalStateException(e);
}
-
}
-
}
-
}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/TxrInfo.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/TxrInfo.java
deleted file mode 100644
index 097c3ec..0000000
--- a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/TxrInfo.java
+++ /dev/null
@@ -1,130 +0,0 @@
-package edu.uci.ics.asterix.transaction.management.service.locking;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Iterator;
-
-import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionContext;
-
-/**
- * @author pouria An instance shows information about all the locks a specific
- * transaction is holding and/or is waiting on (whether for conversion
- * or as a regular waiter) (Each TInfo instance in the infoList captures
- * information about one lock on one resource)
- * If the transaction is waiting for a lock on a specific resource, the
- * ID of that resource is captured in waitingOnRid
- */
-
-public class TxrInfo {
- public static final int NOT_FOUND = -2;
- public static final int NOT_KNOWN_IX = -3;
-
- private ArrayList<TInfo> infoList;
- private byte[] waitingOnRid;
- private TransactionContext context;
-
- public TxrInfo(TransactionContext context) {
- this.context = context;
- this.infoList = new ArrayList<TInfo>();
- this.waitingOnRid = null;
- }
-
- public TInfo getTxrInfo(byte[] resourceId, int lMode, int eix) {
- if (eix == NOT_KNOWN_IX) {
- eix = findInList(resourceId, lMode);
- }
-
- if (eix != NOT_FOUND) {
- return infoList.get(eix);
- }
- return null;
- }
-
- public void addGrantedLock(byte[] resourceId, int lMode) {
- int eix = findInList(resourceId, lMode);
- if (eix == NOT_FOUND) { // We do not add a redundant lock here
- infoList.add(new TInfo(resourceId, lMode));
- }
- }
-
- public void removeLock(byte[] resourceId, int lMode, int eix) {
- if (eix == NOT_KNOWN_IX) {
- eix = findInList(resourceId, lMode);
- }
- if (eix != NOT_FOUND) {
- infoList.remove(eix);
- }
- }
-
- public TransactionContext getContext() {
- return context;
- }
-
- public void setWaitOnRid(byte[] resourceId) {
- this.waitingOnRid = null;
- if (resourceId != null) {
- this.waitingOnRid = Arrays.copyOf(resourceId, resourceId.length);
- }
-
- }
-
- public byte[] getWaitOnRid() {
- return this.waitingOnRid;
- }
-
- public long getStartWaitTime() {
- return this.context.getStartWaitTime();
- }
-
- public int getSize() {
- return infoList.size();
- }
-
- public int findInList(byte[] resourceId, int lMode) {
- for (int i = 0; i < infoList.size(); i++) {
- TInfo ti = infoList.get(i);
- if (((lMode == LockInfo.ANY_LOCK_MODE) || (lMode == ti.getMode()))
- && Arrays.equals(ti.getResourceId(), resourceId)) {
- return i;
- }
- }
- return NOT_FOUND;
- }
-
- public Iterator<TInfo> getIterator() { // TODO change the direct way of
- // accessing
- return infoList.iterator();
- }
-}
-
-class TInfo {
- private byte[] resourceId; // The resource on which the lock is held or is
- // waiting to be held
- private int lockMode; // The granted/waiting-for lockMode
-
- public TInfo(byte[] rId, int lMode) {
- this.resourceId = rId;
- this.lockMode = lMode;
- }
-
- public byte[] getResourceId() {
- return this.resourceId;
- }
-
- public int getMode() {
- return lockMode;
- }
-
- public void setMode(int mode) {
- lockMode = mode;
- }
-
- @Override
- public boolean equals(Object o) {
- if (o == null || !(o instanceof TInfo)) {
- return false;
- }
- TInfo t = (TInfo) o;
- return ((t.lockMode == lockMode) && (Arrays.equals(t.resourceId, resourceId)));
- }
-}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/DataUtil.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/DataUtil.java
index 41a2a52..91ce7ed 100644
--- a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/DataUtil.java
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/DataUtil.java
@@ -47,4 +47,24 @@
return bytes;
}
+ public static long byteArrayToLong(byte[] bytes, int offset) {
+ return ((bytes[offset] & 0xff) << 56) + ((bytes[offset + 1] & 0xff) << 48) + ((bytes[offset + 2] & 0xff) << 40)
+ + ((bytes[offset + 3] & 0xff) << 32) + ((bytes[offset + 4] & 0xff) << 24)
+ + ((bytes[offset + 5] & 0xff) << 16) + ((bytes[offset + 6] & 0xff) << 8)
+ + ((bytes[offset + 7] & 0xff) << 0);
+ }
+
+ public static byte[] longToByteArray(long value) {
+ byte[] bytes = new byte[8];
+ bytes[0] = (byte) ((value >>> 56) & 0xFF);
+ bytes[1] = (byte) ((value >>> 48) & 0xFF);
+ bytes[2] = (byte) ((value >>> 40) & 0xFF);
+ bytes[3] = (byte) ((value >>> 32) & 0xFF);
+ bytes[4] = (byte) ((value >>> 24) & 0xFF);
+ bytes[5] = (byte) ((value >>> 16) & 0xFF);
+ bytes[6] = (byte) ((value >>> 8) & 0xFF);
+ bytes[7] = (byte) ((value >>> 0) & 0xFF);
+ return bytes;
+ }
+
}
\ No newline at end of file
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/FileBasedBuffer.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/FileBasedBuffer.java
index d3cb2d1..4319b8b 100644
--- a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/FileBasedBuffer.java
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/FileBasedBuffer.java
@@ -36,7 +36,7 @@
this.filePath = filePath;
this.nextWritePosition = offset;
buffer = ByteBuffer.allocate(size);
- raf = new RandomAccessFile(new File(filePath), "rws");
+ raf = new RandomAccessFile(new File(filePath), "rw");
raf.seek(offset);
fileChannel = raf.getChannel();
fileChannel.read(buffer);
@@ -75,6 +75,7 @@
buffer.position(0);
buffer.limit(size);
fileChannel.write(buffer);
+ fileChannel.force(true);
erase();
}
@@ -125,9 +126,9 @@
@Override
public void reset(String filePath, long nextWritePosition, int size) throws IOException {
if (!filePath.equals(this.filePath)) {
- raf.close();
+ raf.close();//required?
fileChannel.close();
- raf = new RandomAccessFile(filePath, "rws");
+ raf = new RandomAccessFile(filePath, "rw");
this.filePath = filePath;
}
this.nextWritePosition = nextWritePosition;
@@ -138,6 +139,23 @@
buffer.limit(size);
this.size = size;
}
+
+ @Override
+ public void close() throws IOException {
+ fileChannel.close();
+ }
+
+ @Override
+ public void open(String filePath, long offset, int size) throws IOException {
+ raf = new RandomAccessFile(filePath, "rw");
+ this.nextWritePosition = offset;
+ fileChannel = raf.getChannel();
+ fileChannel.position(offset);
+ erase();
+ buffer.position(0);
+ buffer.limit(size);
+ this.size = size;
+ }
public long getNextWritePosition() {
return nextWritePosition;
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/IFileBasedBuffer.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/IFileBasedBuffer.java
index a0620f5..e1f9f95 100644
--- a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/IFileBasedBuffer.java
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/IFileBasedBuffer.java
@@ -35,4 +35,8 @@
public void setNextWritePosition(long writePosition);
+ public void close() throws IOException;
+
+ public void open(String filePath, long offset, int size) throws IOException;
+
}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/ILogCursor.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/ILogCursor.java
index 437c92b..991de1b 100644
--- a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/ILogCursor.java
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/ILogCursor.java
@@ -23,7 +23,7 @@
*/
public interface ILogCursor {
- public boolean next(LogicalLogLocator next) throws IOException, ACIDException;
+ public boolean next(LogicalLogLocator currentLogLocator) throws IOException, ACIDException;
public ILogFilter getLogFilter();
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/ILogManager.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/ILogManager.java
index 1158029..c629d03 100644
--- a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/ILogManager.java
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/ILogManager.java
@@ -15,51 +15,30 @@
package edu.uci.ics.asterix.transaction.management.service.logging;
import java.io.IOException;
-import java.util.Map;
import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
+import edu.uci.ics.asterix.transaction.management.service.logging.IndexLogger.ReusableLogContentObject;
import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionContext;
-import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionProvider;
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionSubsystem;
public interface ILogManager {
/**
- * An API to write a log record.
- *
- * @param logicalLogLocator
- * A reusable object passed in by the caller. When the call
- * returns, this object has the physical location of the log
- * record that was written.
- * @param context
- * the transaction context associated with the transaction that
- * is writing the log record
- * @param resourceMgrId
- * the unique identifier of the resource manager that would be
- * handling (interpreting) the log record if there is a need to
- * process and apply the log record during a redo/undo task.
- * @param pageId
- * the unique identifier of the page where the operation
- * corresponding to the log record is applied
* @param logType
- * the type of log record (@see LogType)
- * @param logActionType
- * the action that needs to be taken when processing the log
- * record (@see LogActionType)
- * @param length
- * the length of the content inside the log record. This does not
- * include the header or the checksum size.
+ * @param context
+ * @param datasetId
+ * @param PKHashValue
+ * @param resourceId
+ * @param resourceMgrId
+ * @param logContentSize
+ * @param reusableLogContentObject
* @param logger
- * an implementation of the @see ILogger interface that is
- * invoked by the ILogManager instance to get the actual content
- * for the log record.
- * @param loggerArguments
- * Represent any additional arguments that needs to be passed
- * back in the call the to ILogger interface APIs.
+ * @param logicalLogLocator
* @throws ACIDException
*/
- public void log(LogicalLogLocator logicalLogLocator, TransactionContext context, byte resourceMgrId, long pageId,
- byte logType, byte logActionType, int length, ILogger logger, Map<Object, Object> loggerArguments)
- throws ACIDException;
+ void log(byte logType, TransactionContext context, int datasetId, int PKHashValue, long resourceId,
+ byte resourceMgrId, int logContentSize, ReusableLogContentObject reusableLogContentObject, ILogger logger,
+ LogicalLogLocator logicalLogLocator) throws ACIDException;
/**
* @param physicalLogLocator
@@ -85,13 +64,12 @@
public ILogCursor readLog(ILogFilter logFilter) throws ACIDException;
/**
+ * @param logicalLogLocator TODO
* @param PhysicalLogLocator
* specifies the location of the log record to be read
- * @return LogicalLogLocator represents the in-memory location of the log
- * record that has been fetched
* @throws ACIDException
*/
- public LogicalLogLocator readLog(PhysicalLogLocator physicalLogLocator) throws ACIDException;
+ public void readLog(long lsnValue, LogicalLogLocator logicalLogLocator) throws ACIDException;
/**
* Flushes the log records up to the lsn represented by the
@@ -123,8 +101,8 @@
* Returns the Transaction Provider associated with this ILogManager
* instance
*
- * @return TransactionProvider
+ * @return TransactionSubsystem
*/
- public TransactionProvider getTransactionProvider();
+ public TransactionSubsystem getTransactionSubsystem();
}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/ILogRecordHelper.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/ILogRecordHelper.java
index ab4bfea..80f74cb 100644
--- a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/ILogRecordHelper.java
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/ILogRecordHelper.java
@@ -25,38 +25,41 @@
public interface ILogRecordHelper {
- public byte getLogType(LogicalLogLocator logicalLogLocator);
+ byte getLogType(LogicalLogLocator logicalLogLocator);
- public int getLogLength(LogicalLogLocator logicalLogLocator);
+ int getJobId(LogicalLogLocator logicalLogLocator);
- public long getLogTimestamp(LogicalLogLocator logicalLogLocator);
+ int getDatasetId(LogicalLogLocator logicalLogLocator);
- public long getLogChecksum(LogicalLogLocator logicalLogLocator);
+ int getPKHashValue(LogicalLogLocator logicalLogLocator);
- public long getLogTransactionId(LogicalLogLocator logicalLogLocator);
+ PhysicalLogLocator getPrevLSN(LogicalLogLocator logicalLogLocator);
- public byte getResourceMgrId(LogicalLogLocator logicalLogLocator);
+ boolean getPrevLSN(PhysicalLogLocator physicalLogLocator, LogicalLogLocator logicalLogLocator);
+
+ long getResourceId(LogicalLogLocator logicalLogLocator);
+
+ byte getResourceMgrId(LogicalLogLocator logicalLogLocater);
- public long getPageId(LogicalLogLocator logicalLogLocator);
+ int getLogContentSize(LogicalLogLocator logicalLogLocater);
- public int getLogContentBeginPos(LogicalLogLocator logicalLogLocator);
+ long getLogChecksum(LogicalLogLocator logicalLogLocator);
- public int getLogContentEndPos(LogicalLogLocator logicalLogLocator);
+ int getLogContentBeginPos(LogicalLogLocator logicalLogLocator);
- public String getLogRecordForDisplay(LogicalLogLocator logicalLogLocator);
+ int getLogContentEndPos(LogicalLogLocator logicalLogLocator);
- public byte getLogActionType(LogicalLogLocator logicalLogLocator);
+ String getLogRecordForDisplay(LogicalLogLocator logicalLogLocator);
- public PhysicalLogLocator getPreviousLsnByTransaction(LogicalLogLocator logicalLogLocator);
+ void writeLogHeader(LogicalLogLocator logicalLogLocator, byte logType, TransactionContext context, int datasetId,
+ int PKHashValue, long prevLogicalLogLocator, long resourceId, byte resourceMgrId, int logRecordSize);
- public boolean getPreviousLsnByTransaction(PhysicalLogLocator physicalLogLocator,
- LogicalLogLocator logicalLogLocator);
+ boolean validateLogRecord(LogicalLogLocator logicalLogLocator);
- public void writeLogHeader(TransactionContext context, LogicalLogLocator logicalLogLocator, byte resourceMgrId,
- long pageId, byte logType, byte logActionType, int logContentSize, long prevLsnValue);
+ int getLogRecordSize(byte logType, int logBodySize);
- public void writeLogTail(LogicalLogLocator logicalLogLocator, ILogManager logManager);
+ int getLogHeaderSize(byte logType);
- public boolean validateLogRecord(LogManagerProperties logManagerProperties, LogicalLogLocator logicalLogLocator);
+ int getLogChecksumSize();
}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/ILogger.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/ILogger.java
index 92984cb..e26a3cc 100644
--- a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/ILogger.java
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/ILogger.java
@@ -14,9 +14,9 @@
*/
package edu.uci.ics.asterix.transaction.management.service.logging;
-import java.util.Map;
import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
+import edu.uci.ics.asterix.transaction.management.service.logging.IndexLogger.ReusableLogContentObject;
import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionContext;
/**
@@ -25,11 +25,11 @@
*/
public interface ILogger {
- public void preLog(TransactionContext context, Map<Object, Object> loggerArguments) throws ACIDException;
+ public void preLog(TransactionContext context, ReusableLogContentObject reusableLogContentObject) throws ACIDException;
- public void log(TransactionContext context, final LogicalLogLocator logicalLogLocator, int logRecordSize,
- Map<Object, Object> loggerArguments) throws ACIDException;
+ public void log(TransactionContext context, final LogicalLogLocator logicalLogLocator, int logContentSize,
+ ReusableLogContentObject reusableLogContentObject) throws ACIDException;
- public void postLog(TransactionContext context, Map<Object, Object> loggerArguments) throws ACIDException;
+ public void postLog(TransactionContext context, ReusableLogContentObject reusableLogContentObject) throws ACIDException;
}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/IndexLogger.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/IndexLogger.java
new file mode 100644
index 0000000..d69a36e
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/IndexLogger.java
@@ -0,0 +1,273 @@
+/*
+ * Copyright 2009-2011 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package edu.uci.ics.asterix.transaction.management.service.logging;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
+import edu.uci.ics.asterix.transaction.management.resource.ICloseable;
+import edu.uci.ics.asterix.transaction.management.service.transaction.IResourceManager.ResourceType;
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionContext;
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionSubsystem;
+import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
+import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
+import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
+import edu.uci.ics.hyracks.storage.am.common.tuples.SimpleTupleWriter;
+
+public class IndexLogger implements ILogger, ICloseable {
+
+ private final Map<Object, Object> jobId2ReusableLogContentObjectRepositoryMap = new ConcurrentHashMap<Object, Object>();
+
+ public static final String TREE_INDEX = "TREE_INDEX";
+ public static final String TUPLE_REFERENCE = "TUPLE_REFERENCE";
+ public static final String TUPLE_WRITER = "TUPLE_WRITER";
+ public static final String INDEX_OPERATION = "INDEX_OPERATION";
+ public static final String RESOURCE_ID = "RESOURCE_ID";
+
+ private final long resourceId;
+ private final byte resourceType;
+ private final SimpleTupleWriter tupleWriter;
+
+ public class BTreeOperationCodes {
+ public static final byte INSERT = 0;
+ public static final byte DELETE = 1;
+ }
+
+ public IndexLogger(long resourceId, byte resourceType, IIndex index) {
+ this.resourceId = resourceId;
+ this.resourceType = resourceType;
+ this.tupleWriter = new SimpleTupleWriter();
+ }
+
+ public synchronized void close(TransactionContext context) {
+ ReusableLogContentObjectRepository txnThreadStateRepository = (ReusableLogContentObjectRepository) jobId2ReusableLogContentObjectRepositoryMap
+ .get(context.getJobId());
+ txnThreadStateRepository.remove(Thread.currentThread().getId());
+ jobId2ReusableLogContentObjectRepositoryMap.remove(context.getJobId());
+ }
+
+ public void generateLogRecord(TransactionSubsystem txnSubsystem, TransactionContext context, int datasetId,
+ int PKHashValue, long resourceId, IndexOperation newOperation, ITupleReference newValue,
+ IndexOperation oldOperation, ITupleReference oldValue) throws ACIDException {
+
+ if (this.resourceId != resourceId) {
+ throw new ACIDException("IndexLogger mistach");
+ }
+
+ context.addCloseableResource(this); // the close method would be called
+ // on this TreeLogger instance at
+ // the time of transaction
+ // commit/abort.
+ if (newOperation != IndexOperation.INSERT && newOperation != IndexOperation.DELETE) {
+ throw new ACIDException("Loging for Operation " + newOperation + " not supported");
+ }
+
+ ReusableLogContentObject reusableLogContentObject = null;
+ ReusableLogContentObjectRepository reusableLogContentObjectRepository = null;
+ reusableLogContentObjectRepository = (ReusableLogContentObjectRepository) jobId2ReusableLogContentObjectRepositoryMap
+ .get(context.getJobId());
+ if (reusableLogContentObjectRepository == null) {
+ synchronized (context) { // threads belonging to different
+ // transaction do not need to
+ // synchronize amongst them.
+ if (reusableLogContentObjectRepository == null) {
+ reusableLogContentObjectRepository = new ReusableLogContentObjectRepository();
+ jobId2ReusableLogContentObjectRepositoryMap.put(context.getJobId(),
+ reusableLogContentObjectRepository);
+ }
+ }
+ }
+
+ reusableLogContentObject = reusableLogContentObjectRepository.getObject(Thread.currentThread().getId());
+ if (reusableLogContentObject == null) {
+ LogicalLogLocator logicalLogLocator = LogUtil.getDummyLogicalLogLocator(txnSubsystem.getLogManager());
+ reusableLogContentObject = new ReusableLogContentObject(logicalLogLocator, newOperation, newValue,
+ oldOperation, oldValue);
+ reusableLogContentObjectRepository.putObject(Thread.currentThread().getId(), reusableLogContentObject);
+ } else {
+ reusableLogContentObject.setNewOperation(newOperation);
+ reusableLogContentObject.setNewValue(newValue);
+ reusableLogContentObject.setOldOperation(oldOperation);
+ reusableLogContentObject.setOldValue(oldValue);
+ }
+
+ int logContentSize = 4/*TupleFieldCount*/+ 1/*NewOperation*/+ 4/*newValueLength*/;
+ if (newValue != null) {
+ logContentSize += tupleWriter.bytesRequired(newValue);
+ }
+
+ logContentSize += 1/*OldOperation*/+ 4/*oldValueLength*/;
+ if (oldValue != null) {
+ logContentSize += tupleWriter.bytesRequired(oldValue);
+ }
+
+ txnSubsystem.getLogManager().log(LogType.UPDATE, context, datasetId, PKHashValue, resourceId, resourceType,
+ logContentSize, reusableLogContentObject, this, reusableLogContentObject.getLogicalLogLocator());
+ }
+
+ @Override
+ public void log(TransactionContext context, LogicalLogLocator logicalLogLocator, int logContentSize,
+ ReusableLogContentObject reusableLogContentObject) throws ACIDException {
+ int offset = 0;
+ int tupleSize = 0;
+
+ //tuple field count
+ (logicalLogLocator.getBuffer()).writeInt(logicalLogLocator.getMemoryOffset() + offset, reusableLogContentObject
+ .getNewValue().getFieldCount());
+ offset += 4;
+
+ //new operation
+ (logicalLogLocator.getBuffer()).put(logicalLogLocator.getMemoryOffset() + offset,
+ (byte) reusableLogContentObject.getNewOperation().ordinal());
+ offset += 1;
+
+ //new tuple size
+ if (reusableLogContentObject.getNewValue() != null) {
+ tupleSize = tupleWriter.bytesRequired(reusableLogContentObject.getNewValue());
+ }
+ (logicalLogLocator.getBuffer()).writeInt(logicalLogLocator.getMemoryOffset() + offset, tupleSize);
+ offset += 4;
+
+ //new tuple
+ if (tupleSize != 0) {
+ tupleWriter.writeTuple(reusableLogContentObject.getNewValue(), logicalLogLocator.getBuffer().getArray(),
+ logicalLogLocator.getMemoryOffset() + offset);
+ offset += tupleSize;
+ }
+
+ if (resourceType == ResourceType.LSM_BTREE) {
+ //old operation
+ (logicalLogLocator.getBuffer()).put(logicalLogLocator.getMemoryOffset() + offset,
+ (byte) reusableLogContentObject.getOldOperation().ordinal());
+ offset += 1;
+
+ if (reusableLogContentObject.getOldOperation() != IndexOperation.NOOP) {
+ //old tuple size
+ if (reusableLogContentObject.getOldValue() != null) {
+ tupleSize = tupleWriter.bytesRequired(reusableLogContentObject.getOldValue());
+ } else {
+ tupleSize = 0;
+ }
+ (logicalLogLocator.getBuffer()).writeInt(logicalLogLocator.getMemoryOffset() + offset, tupleSize);
+ offset += 4;
+
+ if (tupleSize != 0) {
+ //old tuple
+ tupleWriter.writeTuple(reusableLogContentObject.getOldValue(), logicalLogLocator.getBuffer()
+ .getArray(), logicalLogLocator.getMemoryOffset() + offset);
+ }
+ }
+ }
+ }
+
+ @Override
+ public void postLog(TransactionContext context, ReusableLogContentObject reusableLogContentObject)
+ throws ACIDException {
+ }
+
+ @Override
+ public void preLog(TransactionContext context, ReusableLogContentObject reusableLogContentObject)
+ throws ACIDException {
+ }
+
+ /**
+ * Represents a utility class for generating log records corresponding to
+ * operations on a ITreeIndex implementation. A TreeLogger instance is thread
+ * safe and can be shared across multiple threads that may belong to same or
+ * different transactions.
+ */
+ public class ReusableLogContentObjectRepository {
+
+ private final Map<Long, ReusableLogContentObject> id2Object = new HashMap<Long, ReusableLogContentObject>();
+
+ public synchronized ReusableLogContentObject getObject(long threadId) {
+ return id2Object.get(threadId);
+ }
+
+ public synchronized void putObject(long threadId, ReusableLogContentObject reusableLogContentObject) {
+ this.id2Object.put(threadId, reusableLogContentObject);
+ }
+
+ public synchronized void remove(long threadId) {
+ id2Object.remove(threadId);
+ }
+ }
+
+ /**
+ * Represents the state of a transaction thread. The state contains information
+ * that includes the tuple being operated, the operation and the location of the
+ * log record corresponding to the operation.
+ */
+ public class ReusableLogContentObject {
+
+ private LogicalLogLocator logicalLogLocator;
+ private IndexOperation newOperation;
+ private ITupleReference newValue;
+ private IndexOperation oldOperation;
+ private ITupleReference oldValue;
+
+ public ReusableLogContentObject(LogicalLogLocator logicalLogLocator, IndexOperation newOperation,
+ ITupleReference newValue, IndexOperation oldOperation, ITupleReference oldValue) {
+ this.logicalLogLocator = logicalLogLocator;
+ this.newOperation = newOperation;
+ this.newValue = newValue;
+ this.oldOperation = oldOperation;
+ this.oldValue = oldValue;
+ }
+
+ public synchronized LogicalLogLocator getLogicalLogLocator() {
+ return logicalLogLocator;
+ }
+
+ public synchronized void setLogicalLogLocator(LogicalLogLocator logicalLogLocator) {
+ this.logicalLogLocator = logicalLogLocator;
+ }
+
+ public synchronized void setNewOperation(IndexOperation newOperation) {
+ this.newOperation = newOperation;
+ }
+
+ public synchronized IndexOperation getNewOperation() {
+ return newOperation;
+ }
+
+ public synchronized void setNewValue(ITupleReference newValue) {
+ this.newValue = newValue;
+ }
+
+ public synchronized ITupleReference getNewValue() {
+ return newValue;
+ }
+
+ public synchronized void setOldOperation(IndexOperation oldOperation) {
+ this.oldOperation = oldOperation;
+ }
+
+ public synchronized IndexOperation getOldOperation() {
+ return oldOperation;
+ }
+
+ public synchronized void setOldValue(ITupleReference oldValue) {
+ this.oldValue = oldValue;
+ }
+
+ public synchronized ITupleReference getOldValue() {
+ return oldValue;
+ }
+ }
+
+}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/IndexLoggerRepository.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/IndexLoggerRepository.java
new file mode 100644
index 0000000..da5042c
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/IndexLoggerRepository.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2009-2011 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package edu.uci.ics.asterix.transaction.management.service.logging;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import edu.uci.ics.asterix.transaction.management.service.transaction.MutableResourceId;
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionSubsystem;
+import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
+
+public class IndexLoggerRepository {
+
+ private final Map<MutableResourceId, IndexLogger> loggers = new HashMap<MutableResourceId, IndexLogger>();
+ private final TransactionSubsystem txnSubsystem;
+ private MutableResourceId mutableResourceId;
+
+ public IndexLoggerRepository(TransactionSubsystem provider) {
+ this.txnSubsystem = provider;
+ mutableResourceId = new MutableResourceId(0);
+ }
+
+ public synchronized IndexLogger getIndexLogger(long resourceId, byte resourceType) {
+ mutableResourceId.setId(resourceId);
+ IndexLogger logger = loggers.get(mutableResourceId);
+ if (logger == null) {
+ MutableResourceId newMutableResourceId = new MutableResourceId(resourceId);
+ IIndex index = (IIndex) txnSubsystem.getAsterixAppRuntimeContextProvider().getIndexLifecycleManager()
+ .getIndex(resourceId);
+ logger = new IndexLogger(resourceId, resourceType, index);
+ loggers.put(newMutableResourceId, logger);
+ }
+ return logger;
+ }
+}
\ No newline at end of file
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/IndexResourceManager.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/IndexResourceManager.java
new file mode 100644
index 0000000..7e4b5bb
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/IndexResourceManager.java
@@ -0,0 +1,154 @@
+/*
+ * Copyright 2009-2011 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package edu.uci.ics.asterix.transaction.management.service.logging;
+
+import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
+import edu.uci.ics.asterix.transaction.management.service.transaction.IResourceManager;
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionSubsystem;
+import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
+import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
+import edu.uci.ics.hyracks.storage.am.common.tuples.SimpleTupleReference;
+import edu.uci.ics.hyracks.storage.am.common.tuples.SimpleTupleWriter;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexAccessor;
+
+public class IndexResourceManager implements IResourceManager {
+
+ public final byte resourceType;
+
+ private final TransactionSubsystem txnSubsystem;
+
+ public IndexResourceManager(byte resourceType, TransactionSubsystem provider) {
+ this.resourceType = resourceType;
+ this.txnSubsystem = provider;
+ }
+
+ public byte getResourceManagerId() {
+ return resourceType;
+ }
+
+ public void undo(ILogRecordHelper logRecordHelper, LogicalLogLocator logLocator) throws ACIDException {
+ long resourceId = logRecordHelper.getResourceId(logLocator);
+ int offset = logRecordHelper.getLogContentBeginPos(logLocator);
+
+ //TODO
+ //replace TransactionResourceRepository with IndexLifeCycleManager
+ // look up the repository to obtain the resource object
+ IIndex index = (IIndex) txnSubsystem.getAsterixAppRuntimeContextProvider().getIndexLifecycleManager()
+ .getIndex(resourceId);
+
+ /* field count */
+ int fieldCount = logLocator.getBuffer().readInt(logLocator.getMemoryOffset() + offset);
+ offset += 4;
+
+ /* new operation */
+ byte newOperation = logLocator.getBuffer().getByte(logLocator.getMemoryOffset() + offset);
+ offset += 1;
+
+ /* new value size */
+ int newValueSize = logLocator.getBuffer().readInt(logLocator.getMemoryOffset() + offset);
+ offset += 4;
+
+ /* new value */
+ SimpleTupleWriter tupleWriter = new SimpleTupleWriter();
+ SimpleTupleReference newTuple = (SimpleTupleReference) tupleWriter.createTupleReference();
+ newTuple.setFieldCount(fieldCount);
+ newTuple.resetByTupleOffset(logLocator.getBuffer().getByteBuffer(), offset);
+ offset += newValueSize;
+
+ ILSMIndexAccessor indexAccessor = (ILSMIndexAccessor) index.createAccessor(NoOpOperationCallback.INSTANCE,
+ NoOpOperationCallback.INSTANCE);
+
+ try {
+ if (resourceType == ResourceType.LSM_BTREE) {
+
+ /* old operation */
+ byte oldOperation = logLocator.getBuffer().getByte(logLocator.getMemoryOffset() + offset);
+ offset += 1;
+
+ if (oldOperation != (byte) IndexOperation.NOOP.ordinal()) {
+ /* old value size */
+ int oldValueSize = logLocator.getBuffer().readInt(logLocator.getMemoryOffset() + offset);
+ offset += 4;
+
+ /* old value */
+ SimpleTupleReference oldTuple = (SimpleTupleReference) tupleWriter.createTupleReference();
+ oldTuple.setFieldCount(fieldCount);
+ oldTuple.resetByTupleOffset(logLocator.getBuffer().getByteBuffer(), offset);
+ offset += oldValueSize;
+
+ if (oldOperation == (byte) IndexOperation.DELETE.ordinal()) {
+ indexAccessor.forceDelete(oldTuple);
+ } else {
+ indexAccessor.forceInsert(oldTuple);
+ }
+ } else {
+ indexAccessor.forcePhysicalDelete(newTuple);
+ }
+ } else {
+ if (newOperation == (byte) IndexOperation.DELETE.ordinal()) {
+ indexAccessor.forceInsert(newTuple);
+ } else {
+ indexAccessor.forceDelete(newTuple);
+ }
+ }
+ } catch (Exception e) {
+ throw new ACIDException("Undo failed", e);
+ }
+ }
+
+ public void redo(ILogRecordHelper logRecordHelper, LogicalLogLocator logLocator) throws ACIDException {
+ long resourceId = logRecordHelper.getResourceId(logLocator);
+ int offset = logRecordHelper.getLogContentBeginPos(logLocator);
+
+ IIndex index = (IIndex) txnSubsystem.getAsterixAppRuntimeContextProvider().getIndexLifecycleManager()
+ .getIndex(resourceId);
+
+ /* field count */
+ int fieldCount = logLocator.getBuffer().readInt(logLocator.getMemoryOffset() + offset);
+ offset += 4;
+
+ /* new operation */
+ byte newOperation = logLocator.getBuffer().getByte(logLocator.getMemoryOffset() + offset);
+ offset += 1;
+
+ /* new value size */
+ int newValueSize = logLocator.getBuffer().readInt(logLocator.getMemoryOffset() + offset);
+ offset += 4;
+
+ /* new value */
+ SimpleTupleWriter tupleWriter = new SimpleTupleWriter();
+ SimpleTupleReference newTuple = (SimpleTupleReference) tupleWriter.createTupleReference();
+ newTuple.setFieldCount(fieldCount);
+ newTuple.resetByTupleOffset(logLocator.getBuffer().getByteBuffer(), offset);
+ offset += newValueSize;
+
+ ILSMIndexAccessor indexAccessor = (ILSMIndexAccessor) index.createAccessor(NoOpOperationCallback.INSTANCE,
+ NoOpOperationCallback.INSTANCE);
+
+ try {
+ if (newOperation == IndexOperation.INSERT.ordinal()) {
+ indexAccessor.insert(newTuple);
+ } else if (newOperation == IndexOperation.DELETE.ordinal()) {
+ indexAccessor.delete(newTuple);
+ } else {
+ new ACIDException("Unsupported operation type for undo operation : " + newOperation);
+ }
+ } catch (Exception e) {
+ throw new ACIDException("Redo failed", e);
+ }
+ }
+
+}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogCursor.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogCursor.java
index 7ba9130..9ad66bc 100644
--- a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogCursor.java
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogCursor.java
@@ -21,33 +21,34 @@
public class LogCursor implements ILogCursor {
- private final ILogManager logManager;
+ private final LogManager logManager;
private final ILogFilter logFilter;
- private IFileBasedBuffer readOnlyBuffer;
+ private IBuffer readOnlyBuffer;
private LogicalLogLocator logicalLogLocator = null;
- private int bufferIndex = 0;
+ private long bufferIndex = 0;
+ private boolean firstNext = true;
+ private boolean readMemory = false;
+ private long readLSN = 0;
+ private boolean needReloadBuffer = true;
/**
* @param logFilter
*/
- public LogCursor(final ILogManager logManager, ILogFilter logFilter) throws ACIDException {
+ public LogCursor(final LogManager logManager, ILogFilter logFilter) throws ACIDException {
this.logFilter = logFilter;
this.logManager = logManager;
}
- public LogCursor(final ILogManager logManager, PhysicalLogLocator startingPhysicalLogLocator, ILogFilter logFilter)
- throws IOException {
+ public LogCursor(final LogManager logManager, PhysicalLogLocator startingPhysicalLogLocator, ILogFilter logFilter)
+ throws IOException, ACIDException {
this.logFilter = logFilter;
this.logManager = logManager;
initialize(startingPhysicalLogLocator);
}
- private void initialize(final PhysicalLogLocator startingPhysicalLogLocator) throws IOException {
- readOnlyBuffer = getReadOnlyBuffer(startingPhysicalLogLocator.getLsn(), logManager.getLogManagerProperties()
- .getLogBufferSize());
- logicalLogLocator = new LogicalLogLocator(startingPhysicalLogLocator.getLsn(), readOnlyBuffer, 0, logManager);
-
+ private void initialize(final PhysicalLogLocator startingPhysicalLogLocator) throws IOException, ACIDException {
+ logicalLogLocator = new LogicalLogLocator(startingPhysicalLogLocator.getLsn(), null, 0, logManager);
}
private IFileBasedBuffer getReadOnlyBuffer(long lsn, int size) throws IOException {
@@ -55,7 +56,8 @@
String filePath = LogUtil.getLogFilePath(logManager.getLogManagerProperties(), fileId);
File file = new File(filePath);
if (file.exists()) {
- return FileUtil.getFileBasedBuffer(filePath, lsn, size);
+ return FileUtil.getFileBasedBuffer(filePath, lsn
+ % logManager.getLogManagerProperties().getLogPartitionSize(), size);
} else {
return null;
}
@@ -66,21 +68,46 @@
* filter. The parameter nextLogLocator is set to the point to the next log
* record.
*
- * @param nextLogicalLogLocator
+ * @param currentLogLocator
* @return true if the cursor was successfully moved to the next log record
* false if there are no more log records that satisfy the
* configured filter.
*/
@Override
- public boolean next(LogicalLogLocator nextLogicalLogLocator) throws IOException, ACIDException {
+ public boolean next(LogicalLogLocator currentLogLocator) throws IOException, ACIDException {
+ //TODO
+ //Test the correctness when multiple log files are created
int integerRead = -1;
boolean logRecordBeginPosFound = false;
long bytesSkipped = 0;
+
+ //if the lsn to read is greater than or equal to the most recent lsn, then return false
+ if (logicalLogLocator.getLsn() >= logManager.getCurrentLsn().get()) {
+ return false;
+ }
+
+ //if the lsn to read is greater than the last flushed lsn, then read from memory
+ if (logicalLogLocator.getLsn() > logManager.getLastFlushedLsn().get()) {
+ return readFromMemory(currentLogLocator);
+ }
+
+ //if the readOnlyBuffer should be reloaded, then load the log page from the log file.
+ //needReloadBuffer is set to true if the log record is read from the memory log page.
+ if (needReloadBuffer) {
+ readOnlyBuffer = getReadOnlyBuffer(logicalLogLocator.getLsn(), logManager.getLogManagerProperties()
+ .getLogBufferSize());
+ logicalLogLocator.setBuffer(readOnlyBuffer);
+ logicalLogLocator.setMemoryOffset(0);
+ needReloadBuffer = false;
+ }
+
+ //check whether the currentOffset has enough space to have new log record by comparing
+ //the smallest log record type(which is commit)'s log header.
while (logicalLogLocator.getMemoryOffset() <= readOnlyBuffer.getSize()
- - logManager.getLogManagerProperties().getLogHeaderSize()) {
+ - logManager.getLogRecordHelper().getLogHeaderSize(LogType.COMMIT)) {
integerRead = readOnlyBuffer.readInt(logicalLogLocator.getMemoryOffset());
- if (integerRead == logManager.getLogManagerProperties().logMagicNumber) {
+ if (integerRead == logManager.getLogManagerProperties().LOG_MAGIC_NUMBER) {
logRecordBeginPosFound = true;
break;
}
@@ -93,36 +120,46 @@
// bytes without finding a log record, it
// indicates an absence of logs any further.
}
+
+ if (logicalLogLocator.getLsn() > logManager.getLastFlushedLsn().get()) {
+ return next(currentLogLocator); //should read from memory if there is any further log
+ }
}
if (!logRecordBeginPosFound) {
// need to reload the buffer
- long lsnpos = (++bufferIndex * logManager.getLogManagerProperties().getLogBufferSize());
+ // TODO
+ // reduce IO by reading more pages(equal to logBufferSize) at a time.
+ long lsnpos = ((logicalLogLocator.getLsn() / logManager.getLogManagerProperties().getLogPageSize()) + 1)
+ * logManager.getLogManagerProperties().getLogPageSize();
+
readOnlyBuffer = getReadOnlyBuffer(lsnpos, logManager.getLogManagerProperties().getLogBufferSize());
if (readOnlyBuffer != null) {
logicalLogLocator.setBuffer(readOnlyBuffer);
logicalLogLocator.setLsn(lsnpos);
logicalLogLocator.setMemoryOffset(0);
- return next(nextLogicalLogLocator);
+ return next(currentLogLocator);
} else {
return false;
}
}
- int logLength = logManager.getLogRecordHelper().getLogLength(logicalLogLocator);
- if (logManager.getLogRecordHelper().validateLogRecord(logManager.getLogManagerProperties(), logicalLogLocator)) {
- if (nextLogicalLogLocator == null) {
- nextLogicalLogLocator = new LogicalLogLocator(0, readOnlyBuffer, -1, logManager);
+ int logLength = logManager.getLogRecordHelper().getLogRecordSize(
+ logManager.getLogRecordHelper().getLogType(logicalLogLocator),
+ logManager.getLogRecordHelper().getLogContentSize(logicalLogLocator));
+ if (logManager.getLogRecordHelper().validateLogRecord(logicalLogLocator)) {
+ if (currentLogLocator == null) {
+ currentLogLocator = new LogicalLogLocator(0, readOnlyBuffer, -1, logManager);
}
- nextLogicalLogLocator.setLsn(logicalLogLocator.getLsn());
- nextLogicalLogLocator.setMemoryOffset(logicalLogLocator.getMemoryOffset());
- nextLogicalLogLocator.setBuffer(readOnlyBuffer);
+ currentLogLocator.setLsn(logicalLogLocator.getLsn());
+ currentLogLocator.setMemoryOffset(logicalLogLocator.getMemoryOffset());
+ currentLogLocator.setBuffer(readOnlyBuffer);
logicalLogLocator.incrementLsn(logLength);
logicalLogLocator.setMemoryOffset(logicalLogLocator.getMemoryOffset() + logLength);
} else {
throw new ACIDException("Invalid Log Record found ! checksums do not match :( ");
}
- return logFilter.accept(readOnlyBuffer, nextLogicalLogLocator.getMemoryOffset(), logLength);
+ return logFilter.accept(readOnlyBuffer, currentLogLocator.getMemoryOffset(), logLength);
}
/**
@@ -135,4 +172,98 @@
return logFilter;
}
+ private boolean readFromMemory(LogicalLogLocator currentLogLocator) throws ACIDException, IOException {
+ byte[] logRecord = null;
+ long lsn = logicalLogLocator.getLsn();
+
+ //set the needReloadBuffer to true
+ needReloadBuffer = true;
+
+ int pageIndex = logManager.getLogPageIndex(lsn);
+ logicalLogLocator.setMemoryOffset(logManager.getLogPageOffset(lsn));
+
+ // take a lock on the log page so that the page is not flushed to
+ // disk interim
+ IFileBasedBuffer logPage = logManager.getLogPage(pageIndex);
+ synchronized (logPage) {
+ // need to check again if the log record in the log buffer or has reached the disk
+ if (lsn > logManager.getLastFlushedLsn().get()) {
+
+ //find the magic number to identify the start of the log record
+ //----------------------------------------------------------------
+ int readNumber = -1;
+ int logPageSize = logManager.getLogManagerProperties().getLogPageSize();
+ int logMagicNumber = logManager.getLogManagerProperties().LOG_MAGIC_NUMBER;
+ int bytesSkipped = 0;
+ boolean logRecordBeginPosFound = false;
+ //check whether the currentOffset has enough space to have new log record by comparing
+ //the smallest log record type(which is commit)'s log header.
+ while (logicalLogLocator.getMemoryOffset() <= logPageSize
+ - logManager.getLogRecordHelper().getLogHeaderSize(LogType.COMMIT)) {
+ readNumber = logPage.readInt(logicalLogLocator.getMemoryOffset());
+ if (readNumber == logMagicNumber) {
+ logRecordBeginPosFound = true;
+ break;
+ }
+ logicalLogLocator.increaseMemoryOffset(1);
+ logicalLogLocator.incrementLsn();
+ bytesSkipped++;
+ if (bytesSkipped > logPageSize) {
+ return false; // the maximum size of a log record is limited to
+ // a log page size. If we have skipped as many
+ // bytes without finding a log record, it
+ // indicates an absence of logs any further.
+ }
+ }
+
+ if (!logRecordBeginPosFound) {
+ // need to read the next log page
+ readOnlyBuffer = null;
+ logicalLogLocator.setBuffer(null);
+ logicalLogLocator.setLsn(lsn / logPageSize + 1);
+ logicalLogLocator.setMemoryOffset(0);
+ return next(currentLogLocator);
+ }
+ //------------------------------------------------------
+
+ logicalLogLocator.setBuffer(logPage);
+ int logLength = logManager.getLogRecordHelper().getLogRecordSize(
+ logManager.getLogRecordHelper().getLogType(logicalLogLocator),
+ logManager.getLogRecordHelper().getLogContentSize(logicalLogLocator));
+ logRecord = new byte[logLength];
+
+ //copy the log record and set the buffer of logical log locator to the buffer of the copied log record.
+ System.arraycopy(logPage.getArray(), logicalLogLocator.getMemoryOffset(), logRecord, 0, logLength);
+ MemBasedBuffer memBuffer = new MemBasedBuffer(logRecord);
+ readOnlyBuffer = memBuffer;
+ logicalLogLocator.setBuffer(readOnlyBuffer);
+ logicalLogLocator.setMemoryOffset(0);
+
+ if (logManager.getLogRecordHelper().validateLogRecord(logicalLogLocator)) {
+ if (currentLogLocator == null) {
+ currentLogLocator = new LogicalLogLocator(0, readOnlyBuffer, -1, logManager);
+ }
+ currentLogLocator.setLsn(logicalLogLocator.getLsn());
+ currentLogLocator.setMemoryOffset(logicalLogLocator.getMemoryOffset());
+ currentLogLocator.setBuffer(readOnlyBuffer);
+ logicalLogLocator.incrementLsn(logLength);
+ logicalLogLocator.setMemoryOffset(logicalLogLocator.getMemoryOffset() + logLength);
+ } else {
+ //if the checksum doesn't match, there is two possible scenario.
+ //case1) the log file corrupted: there's nothing we can do for this case during abort.
+ //case2) the log record is partially written by another thread. So, we may ignore this log record
+ // and continue to read the next log record
+ //[NOTICE]
+ //Only case2 is handled here.
+ logicalLogLocator.incrementLsn(logLength);
+ logicalLogLocator.setMemoryOffset(logicalLogLocator.getMemoryOffset() + logLength);
+ return next(currentLogLocator);
+ }
+ return logFilter.accept(readOnlyBuffer, currentLogLocator.getMemoryOffset(), logLength);
+
+ } else {
+ return next(currentLogLocator);//read from disk
+ }
+ }
+ }
}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogManager.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogManager.java
index 1d1e067..f3c33f8 100644
--- a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogManager.java
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogManager.java
@@ -1,5 +1,5 @@
/*
- * Copyright 2009-2010 by The Regents of the University of California
+ * Copyright 2009-2012 by The Regents of the University of California
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* you may obtain a copy of the License from
@@ -15,14 +15,17 @@
package edu.uci.ics.asterix.transaction.management.service.logging;
import java.io.File;
-import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.RandomAccessFile;
import java.nio.ByteBuffer;
import java.nio.channels.FileChannel;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
import java.util.Map;
import java.util.Properties;
+import java.util.Set;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicLong;
@@ -30,29 +33,26 @@
import java.util.logging.Logger;
import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
+import edu.uci.ics.asterix.transaction.management.service.logging.IndexLogger.ReusableLogContentObject;
+import edu.uci.ics.asterix.transaction.management.service.logging.LogManager.PageOwnershipStatus;
+import edu.uci.ics.asterix.transaction.management.service.logging.LogManager.PageState;
import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionContext;
import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionManagementConstants;
-import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionProvider;
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionSubsystem;
+import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
public class LogManager implements ILogManager {
- /*
- * Log Record Structure HEADER
- * <(log_magic_number,4)(log_length,8)(log_type,1
- * )(log_action_type,1)(log_timestamp
- * ,8)(log_transaction_id,8)(resource_manager_id
- * ,1)(page_id,8)(previous_lsn,8) <CONTENT> TAIL <(checksum,8)>
- */
-
+ public static final boolean IS_DEBUG_MODE = false;//true
private static final Logger LOGGER = Logger.getLogger(LogManager.class.getName());
- private TransactionProvider provider;
+ private final TransactionSubsystem provider;
private LogManagerProperties logManagerProperties;
+ private LogPageFlushThread logPageFlusher;
/*
* the array of log pages. The number of log pages is configurable. Pages
* taken together form an in-memory log buffer.
*/
-
private IFileBasedBuffer[] logPages;
private ILogRecordHelper logRecordHelper;
@@ -61,6 +61,7 @@
* Number of log pages that constitute the in-memory log buffer.
*/
private int numLogPages;
+
/*
* Initially all pages have an owner count of 1 that is the LogManager. When
* a transaction requests to write in a log page, the owner count is
@@ -69,12 +70,11 @@
* (covering the whole log record). When the content has been put, the log
* manager computes the checksum and puts it after the content. At this
* point, the ownership count is decremented as the transaction is done with
- * using the page. When a page is full, the log manager decrements the count
- * by one indicating that it has released its ownership of the log page.
- * There could be other transaction(s) still owning the page (that is they
- * could still be mid-way putting the log content). When the ownership count
- * eventually reaches zero, the thread responsible for flushing the log page
- * is notified and the page is flushed to disk.
+ * using the page. When a page is requested to be flushed, logPageFlusher
+ * set the count to 0(LOG_FLUSHER: meaning that the page is being flushed)
+ * only if the count is 1(LOG_WRITER: meaning that there is no other
+ * transactions who own the page to write logs.) After flushing the page,
+ * logPageFlusher set this count to 1.
*/
private AtomicInteger[] logPageOwnerCount;
@@ -85,18 +85,17 @@
/*
* LogPageStatus: A page is either ACTIVE or INACTIVE. The status for each
- * page is maintained in a map called logPageStatus. A page is ACTIVE when
- * the LogManager can allocate space in the page for writing a log record.
- * Initially all pages are ACTIVE. As transactions fill up space by writing
- * log records, a page may not have sufficient space left for serving a
- * request by a transaction. When this happens, the page is marked INACTIVE.
- * An INACTIVE page with no owners ( logPageOwnerCount.get(<pageIndex>) ==
- * 0) indicates that the page must be flushed to disk before any other log
- * record is written on the page.F
+ * page is maintained in logPageStatus. A page is ACTIVE when the LogManager
+ * can allocate space in the page for writing a log record. Initially all
+ * pages are ACTIVE. As transactions fill up space by writing log records, a
+ * page may not have sufficient space left for serving a request by a
+ * transaction. When this happens, the page is flushed to disk by calling
+ * logPageFlusher.requestFlush(). In the requestFlush(), after
+ * groupCommitWaitTime, the page status is set to INACTIVE. Then, there is
+ * no more writer on the page(meaning the corresponding logPageOwnerCount is
+ * 1), the page is flushed by the logPageFlusher and the status is reset to
+ * ACTIVE by the logPageFlusher.
*/
-
- // private Map<Integer, Integer> logPageStatus = new
- // ConcurrentHashMap<Integer, Integer>();
private AtomicInteger[] logPageStatus;
static class PageState {
@@ -104,40 +103,7 @@
public static final int ACTIVE = 1;
}
- private AtomicLong lastFlushedLsn = new AtomicLong(-1);
- private AtomicInteger lastFlushedPage = new AtomicInteger(-1);
-
- /*
- * pendingFlushRequests is a map with key as Integer denoting the page
- * index. When a (transaction) thread discovers the need to flush a page, it
- * puts its Thread object into the corresponding value that is a
- * LinkedBlockingQueue. The LogManager has a LogFlusher thread that scans
- * this map in order of page index (and circling around). The flusher thread
- * needs to flush pages in order and waits for a thread to deposit an object
- * in the blocking queue corresponding to the next page in order. A request
- * to flush a page is conveyed to the flush thread by simply depositing an
- * object in to corresponding blocking queue. It is blocking in the sense
- * that the flusher thread will continue to wait for an object to arrive in
- * the queue. The object itself is ignored by the fliusher and just acts as
- * a signal/event that a page needs to be flushed.
- */
-
- private LinkedBlockingQueue[] pendingFlushRequests;
-
- /*
- * ICommitResolver is an interface that provides an API that can answer a
- * simple boolean - Given the commit requests so far, should a page be
- * flushed. The implementation of the interface contains the logic (or you
- * can say the policy) for commit. It could be group commit in which case
- * the commit resolver may not return a true indicating that it wishes to
- * delay flushing of the page.
- */
- private ICommitResolver commitResolver;
-
- /*
- * An object that keeps track of the submitted commit requests.
- */
- private CommitRequestStatistics commitRequestStatistics;
+ private AtomicLong lastFlushedLSN = new AtomicLong(-1);
/*
* When the transaction eco-system comes to life, the log manager positions
@@ -145,7 +111,7 @@
* lsn value of the next log record to be written after a system (re)start.
* The value is zero when the system is starting for the first time.
*/
- private long startingLsn = 0;
+ private long startingLSN = 0;
/*
* lsn represents the monotonically increasing long value that can be broken
@@ -153,20 +119,14 @@
*/
private AtomicLong lsn = new AtomicLong(0);
- /*
- * A map that tracks the flush requests submitted for each page. The
- * requests for a page are cleared when the page is flushed.
- */
- public LinkedBlockingQueue<Thread> getPendingFlushRequests(int pageIndex) {
- return pendingFlushRequests[pageIndex];
- }
+ private List<HashMap<TransactionContext, Integer>> activeTxnCountMaps;
- public void addFlushRequest(int pageIndex) {
- pendingFlushRequests[pageIndex].add(Thread.currentThread());
+ public void addFlushRequest(int pageIndex, long lsn, boolean isSynchronous) {
+ logPageFlusher.requestFlush(pageIndex, lsn, isSynchronous);
}
public AtomicLong getLastFlushedLsn() {
- return lastFlushedLsn;
+ return lastFlushedLSN;
}
public AtomicInteger getLogPageStatus(int pageIndex) {
@@ -178,16 +138,16 @@
}
public long incrementLastFlushedLsn(long delta) {
- return lastFlushedLsn.addAndGet(delta);
+ return lastFlushedLSN.addAndGet(delta);
}
- public LogManager(TransactionProvider provider) throws ACIDException {
+ public LogManager(TransactionSubsystem provider) throws ACIDException {
this.provider = provider;
initLogManagerProperties(null);
initLogManager();
}
- public LogManager(TransactionProvider provider, LogManagerProperties logConfiguration) throws ACIDException {
+ public LogManager(TransactionSubsystem provider, LogManagerProperties logConfiguration) throws ACIDException {
this.provider = provider;
initLogManagerProperties(logConfiguration);
initLogManager();
@@ -197,21 +157,37 @@
* initialize the log manager properties either from the configuration file
* on disk or with default values
*/
- private void initLogManagerProperties(LogManagerProperties logConfiguration) throws ACIDException {
- if (logConfiguration == null) {
+ private void initLogManagerProperties(LogManagerProperties logProperties) throws ACIDException {
+ if (logProperties == null) {
InputStream is = null;
try {
- File file = new File(TransactionManagementConstants.LogManagerConstants.LOG_CONF_DIR
- + File.pathSeparator + TransactionManagementConstants.LogManagerConstants.LOG_CONF_FILE);
- if (LOGGER.isLoggable(Level.INFO)) {
- LOGGER.info("Log Configuration file path is " + file.getAbsolutePath());
- }
- if (file.exists()) {
- is = new FileInputStream(TransactionManagementConstants.LogManagerConstants.LOG_CONF_DIR
+ is = this.getClass().getClassLoader()
+ .getResourceAsStream(TransactionManagementConstants.LogManagerConstants.LOG_CONF_FILE);
+ if (is != null) {
+ Properties p = new Properties();
+ p.load(is);
+ String logDir = p.getProperty(LogManagerProperties.LOG_DIR_KEY);
+ if (logDir == null) {
+ p.setProperty(LogManagerProperties.LOG_DIR_KEY,
+ TransactionManagementConstants.LogManagerConstants.DEFAULT_LOG_DIR + File.separator
+ + provider.getId());
+ }
+ logProperties = new LogManagerProperties(p);
+
+ /*
+ File file = new File(TransactionManagementConstants.LogManagerConstants.LOG_CONF_DIR
+ File.pathSeparator + TransactionManagementConstants.LogManagerConstants.LOG_CONF_FILE);
- Properties configuredProperties = new Properties();
- configuredProperties.load(is);
- logConfiguration = new LogManagerProperties(configuredProperties);
+ if (LOGGER.isLoggable(Level.INFO)) {
+ LOGGER.info("Log Configuration file path is " + file.getAbsolutePath());
+ }
+ if (file.exists()) {
+ is = new FileInputStream(TransactionManagementConstants.LogManagerConstants.LOG_CONF_DIR
+ + File.pathSeparator + TransactionManagementConstants.LogManagerConstants.LOG_CONF_FILE);
+ Properties configuredProperties = new Properties();
+ configuredProperties.load(is);
+ logConfiguration = new LogManagerProperties(configuredProperties);
+ */
+
} else {
if (LOGGER.isLoggable(Level.INFO)) {
LOGGER.info("Log configuration file not found, using defaults !");
@@ -220,7 +196,7 @@
configuredProperties.setProperty(LogManagerProperties.LOG_DIR_KEY,
TransactionManagementConstants.LogManagerConstants.DEFAULT_LOG_DIR + File.separator
+ provider.getId());
- logConfiguration = new LogManagerProperties(configuredProperties);
+ logProperties = new LogManagerProperties(configuredProperties);
}
} catch (IOException ioe) {
if (is != null) {
@@ -232,7 +208,7 @@
}
}
}
- logManagerProperties = logConfiguration;
+ logManagerProperties = logProperties;
}
private void initLogManager() throws ACIDException {
@@ -240,38 +216,25 @@
numLogPages = logManagerProperties.getNumLogPages();
logPageOwnerCount = new AtomicInteger[numLogPages];
logPageStatus = new AtomicInteger[numLogPages];
- pendingFlushRequests = new LinkedBlockingQueue[numLogPages];
- if (logManagerProperties.getGroupCommitWaitPeriod() > 0) { // configure
- // the
- // Commit
- // Resolver
- commitResolver = new GroupCommitResolver(); // Group Commit is
- // enabled
- commitRequestStatistics = new CommitRequestStatistics(numLogPages);
- } else {
- commitResolver = new BasicCommitResolver(); // the basic commit
- // resolver
+
+ activeTxnCountMaps = new ArrayList<HashMap<TransactionContext, Integer>>(numLogPages);
+ for (int i = 0; i < numLogPages; i++) {
+ activeTxnCountMaps.add(new HashMap<TransactionContext, Integer>());
}
- this.commitResolver.init(this); // initialize the commit resolver
+
logPages = new FileBasedBuffer[numLogPages];
/*
* place the log anchor at the end of the last log record written.
*/
- PhysicalLogLocator nextPhysicalLsn = LogUtil.initializeLogAnchor(this);
- startingLsn = nextPhysicalLsn.getLsn();
- lastFlushedLsn.set(startingLsn - 1);
- if (LOGGER.isLoggable(Level.INFO)) {
- LOGGER.info(" Starting lsn is : " + startingLsn);
- }
- lsn.set(startingLsn);
+ PhysicalLogLocator nextPhysicalLsn = initLSN();
+
/*
* initialize meta data for each log page.
*/
for (int i = 0; i < numLogPages; i++) {
logPageOwnerCount[i] = new AtomicInteger(PageOwnershipStatus.LOG_WRITER);
logPageStatus[i] = new AtomicInteger(PageState.ACTIVE);
- pendingFlushRequests[i] = new LinkedBlockingQueue<Thread>();
}
/*
@@ -285,13 +248,13 @@
* daemon thread so that it does not stop the JVM from exiting when all
* other threads are done with their work.
*/
- LogPageFlushThread logFlusher = new LogPageFlushThread(this);
- logFlusher.setDaemon(true);
- logFlusher.start();
+ logPageFlusher = new LogPageFlushThread(this);
+ logPageFlusher.setDaemon(true);
+ logPageFlusher.start();
}
public int getLogPageIndex(long lsnValue) {
- return (int) ((lsnValue - startingLsn) / logManagerProperties.getLogPageSize()) % numLogPages;
+ return (int) ((lsnValue - startingLSN) / logManagerProperties.getLogPageSize()) % numLogPages;
}
@@ -309,7 +272,7 @@
* record is (to be) placed.
*/
public int getLogPageOffset(long lsnValue) {
- return (int) (lsnValue - startingLsn) % logManagerProperties.getLogPageSize();
+ return (int) (lsnValue - startingLSN) % logManagerProperties.getLogPageSize();
}
/*
@@ -319,7 +282,7 @@
*/
private void waitUntillPageIsAvailableForWritingLog(int pageIndex) throws ACIDException {
if (logPageStatus[pageIndex].get() == PageState.ACTIVE
- && getLogPageOwnershipCount(pageIndex).get() >= PageOwnershipStatus.LOG_WRITER) {
+ && logPageOwnerCount[pageIndex].get() >= PageOwnershipStatus.LOG_WRITER) {
return;
}
try {
@@ -345,47 +308,47 @@
*/
private long getLsn(int entrySize, byte logType) throws ACIDException {
long pageSize = logManagerProperties.getLogPageSize();
- boolean requiresFlushing = logType == LogType.COMMIT;
+
while (true) {
boolean forwardPage = false;
- boolean shouldFlushPage = false;
long old = lsn.get();
- int pageIndex = getLogPageIndex(old); // get the log page
- // corresponding to the
- // current lsn value
+
+ // get the log page corresponding to the current lsn value
+ int pageIndex = getLogPageIndex(old);
long retVal = old;
- long next = old + entrySize; // the lsn value for the next request,
- // if the current request is served.
+
+ // the lsn value for the next request if the current request is
+ // served.
+ long next = old + entrySize;
int prevPage = -1;
- if ((next - 1) / pageSize != old / pageSize // check if the log
- // record will cross
- // page boundaries, a
- // case that is not
- // allowed.
- || (next % pageSize == 0)) {
+
+ // check if the log record will cross page boundaries, a case that
+ // is not allowed.
+ if ((next - 1) / pageSize != old / pageSize || (next % pageSize == 0)) {
+
if ((old != 0 && old % pageSize == 0)) {
- retVal = old; // On second thought, this shall never be the
- // case as it means that the lsn is
- // currently at the beginning of a page and
- // we still need to forward the page which
- // means that the entrySize exceeds a log
- // page size. If this is the case, an
- // exception is thrown before calling this
- // API.
- // would remove this case.
+ // On second thought, this shall never be the case as it
+ // means that the lsn is
+ // currently at the beginning of a page and we still need to
+ // forward the page which
+ // means that the entrySize exceeds a log page size. If this
+ // is the case, an
+ // exception is thrown before calling this API. would remove
+ // this case.
+ retVal = old;
} else {
- retVal = ((old / pageSize) + 1) * pageSize; // set the lsn
- // to point to
- // the beginning
- // of the next
- // page.
+ // set the lsn to point to the beginning of the next page.
+ retVal = ((old / pageSize) + 1) * pageSize;
}
+
next = retVal;
- forwardPage = true; // as the log record shall cross log page
- // boundary, we must re-assign the lsn (so
- // that the log record begins on a different
- // location.
+
+ // as the log record shall cross log page boundary, we must
+ // re-assign the lsn so
+ // that the log record begins on a different location.
+ forwardPage = true;
+
prevPage = pageIndex;
pageIndex = getNextPageInSequence(pageIndex);
}
@@ -404,140 +367,92 @@
*/
waitUntillPageIsAvailableForWritingLog(pageIndex);
- if (!forwardPage && requiresFlushing) {
- shouldFlushPage = commitResolver.shouldCommitPage(pageIndex, this, commitRequestStatistics);
- if (shouldFlushPage) {
- next = ((next / pageSize) + 1) * pageSize; /*
- * next
- * represents the
- * next value of
- * lsn after this
- * log record has
- * been written.
- * If the page
- * needs to be
- * flushed, then
- * we do not give
- * any more LSNs
- * from this
- * page.
- */
- }
- }
- if (!lsn.compareAndSet(old, next)) { // Atomic call -> returns true
- // only when the value
- // represented by lsn is same as
- // "old". The value is updated
- // to "next".
+ if (!lsn.compareAndSet(old, next)) {
+ // Atomic call -> returns true only when the value represented
+ // by lsn is same as
+ // "old". The value is updated to "next".
continue;
}
if (forwardPage) {
- logPageStatus[prevPage].set(PageState.INACTIVE); // mark
- // previous
- // page
- // inactive
+ addFlushRequest(prevPage, old, false);
- /*
- * decrement on the behalf of the log manager. if there are no
- * more owners (count == 0) the page must be marked as a
- * candidate to be flushed.
- */
- int pageDirtyCount = getLogPageOwnershipCount(prevPage).decrementAndGet();
- if (pageDirtyCount == 0) {
- addFlushRequest(prevPage);
- }
-
- /*
- * The transaction thread that discovers the need to forward a
- * page is made to re-acquire a lsn.
- */
+ // The transaction thread that discovers the need to forward a
+ // page is made to re-acquire a lsn.
continue;
+
} else {
- /*
- * the transaction thread has been given a space in a log page,
- * but is made to wait until the page is available.
- */
+ // the transaction thread has been given a space in a log page,
+ // but is made to wait until the page is available.
+ // (Is this needed? when does this wait happen?)
waitUntillPageIsAvailableForWritingLog(pageIndex);
- /*
- * increment the counter as the transaction thread now holds a
- * space in the log page and hence is an owner.
- */
+
+ // increment the counter as the transaction thread now holds a
+ // space in the log page and hence is an owner.
logPageOwnerCount[pageIndex].incrementAndGet();
- }
- if (requiresFlushing) {
- if (!shouldFlushPage) {
- /*
- * the log record requires the page to be flushed but under
- * the commit policy, the flush task has been deferred. The
- * transaction thread submits its request to flush the page.
- */
- commitRequestStatistics.registerCommitRequest(pageIndex);
- } else {
- /*
- * the flush request was approved by the commit resolver.
- * Thus the page is marked INACTIVE as no more logs will be
- * written on this page. The log manager needs to release
- * its ownership. Note that transaction threads may still
- * continue to be owners of the log page till they fill up
- * the space allocated to them.
- */
- logPageStatus[pageIndex].set(PageState.INACTIVE);
- logPageOwnerCount[pageIndex].decrementAndGet(); // on
- // the
- // behalf
- // of
- // log
- // manager
+
+ // Before the count is incremented, if the flusher flushed the
+ // allocated page,
+ // then retry to get new LSN. Otherwise, the log with allocated
+ // lsn will be lost.
+ if (lastFlushedLSN.get() >= retVal) {
+ logPageOwnerCount[pageIndex].decrementAndGet();
+ continue;
}
}
+
return retVal;
}
}
- public void log(LogicalLogLocator logLocator, TransactionContext context, byte resourceMgrId, long pageId,
- byte logType, byte logActionType, int requestedSpaceForLog, ILogger logger,
- Map<Object, Object> loggerArguments) throws ACIDException {
- /*
- * logLocator is a re-usable object that is appropriately set in each
- * invocation. If the reference is null, the log manager must throw an
- * exception
- */
- if (logLocator == null) {
+ @Override
+ public void log(byte logType, TransactionContext txnCtx, int datasetId, int PKHashValue, long resourceId,
+ byte resourceMgrId, int logContentSize, ReusableLogContentObject reusableLogContentObject, ILogger logger,
+ LogicalLogLocator logicalLogLocator) throws ACIDException {
+
+ HashMap<TransactionContext, Integer> map = null;
+ int activeTxnCount;
+
+ // logLocator is a re-usable object that is appropriately set in each
+ // invocation.
+ // If the reference is null, the log manager must throw an exception.
+ if (logicalLogLocator == null) {
throw new ACIDException(
" you need to pass in a non-null logLocator, if you dont have it, then pass in a dummy so that the +"
+ "log manager can set it approporiately for you");
}
// compute the total log size including the header and the checksum.
- int totalLogSize = logManagerProperties.getLogHeaderSize() + requestedSpaceForLog
- + logManagerProperties.getLogChecksumSize();
+ int totalLogSize = logRecordHelper.getLogRecordSize(logType, logContentSize);
// check for the total space requirement to be less than a log page.
if (totalLogSize > logManagerProperties.getLogPageSize()) {
throw new ACIDException(
" Maximum Log Content Size is "
- + (logManagerProperties.getLogPageSize() - logManagerProperties.getLogHeaderSize() - logManagerProperties
+ + (logManagerProperties.getLogPageSize() - logRecordHelper.getLogHeaderSize(LogType.UPDATE) - logRecordHelper
.getLogChecksumSize()));
}
- // all constraints checked and we are goot to go and acquire a lsn.
- long previousLogLocator = -1;
- long myLogLocator; // the will be set to the location (a long value)
- // where the log record needs to be placed.
+ // all constraints checked and we are good to go and acquire a lsn.
+ long previousLSN = -1;
- /*
- * The logs written by a transaction need to be linked to each other for
- * a successful rollback/recovery. However there could be multiple
- * threads operating concurrently that are part of a common transaction.
- * These threads need to synchronize and record the lsn corresponding to
- * the last log record written by (any thread of) the transaction.
- */
- synchronized (context) {
- previousLogLocator = context.getLastLogLocator().getLsn();
- myLogLocator = getLsn(totalLogSize, logType);
- context.getLastLogLocator().setLsn(myLogLocator);
- logLocator.setLsn(myLogLocator);
+ // the will be set to the location (a long value) where the log record
+ // needs to be placed.
+ long currentLSN;
+
+ // The logs written by a transaction need to be linked to each other for
+ // a successful rollback/recovery. However there could be multiple
+ // threads operating concurrently that are part of a common transaction.
+ // These threads need to synchronize and record the lsn corresponding to
+ // the last log record written by (any thread of) the transaction.
+ synchronized (txnCtx) {
+ previousLSN = txnCtx.getLastLogLocator().getLsn();
+ currentLSN = getLsn(totalLogSize, logType);
+ txnCtx.setLastLSN(currentLSN);
+ if (IS_DEBUG_MODE) {
+ System.out.println("--------------> LSN(" + currentLSN + ") is allocated");
+ }
+ logicalLogLocator.setLsn(currentLSN);
}
/*
@@ -548,112 +463,85 @@
* performed correctly that is ownership is released.
*/
- boolean decremented = false; // indicates if the transaction thread
- // has release ownership of the
+ // indicates if the transaction thread has release ownership of the
// page.
- boolean addedFlushRequest = false; // indicates if the transaction
- // thread has submitted a flush
- // request.
+ boolean decremented = false;
- int pageIndex = (int) getLogPageIndex(myLogLocator);
+ int pageIndex = (int) getLogPageIndex(currentLSN);
- /*
- * the lsn has been obtained for the log record. need to set the
- * LogLocator instance accordingly.
- */
-
+ // the lsn has been obtained for the log record. need to set the
+ // LogLocator instance accordingly.
try {
+ logicalLogLocator.setBuffer(logPages[pageIndex]);
+ int pageOffset = getLogPageOffset(currentLSN);
+ logicalLogLocator.setMemoryOffset(pageOffset);
- logLocator.setBuffer(logPages[pageIndex]);
- int pageOffset = getLogPageOffset(myLogLocator);
- logLocator.setMemoryOffset(pageOffset);
-
- /*
- * write the log header.
- */
- logRecordHelper.writeLogHeader(context, logLocator, resourceMgrId, pageId, logType, logActionType,
- requestedSpaceForLog, previousLogLocator);
+ // write the log header.
+ logRecordHelper.writeLogHeader(logicalLogLocator, logType, txnCtx, datasetId, PKHashValue, previousLSN,
+ resourceId, resourceMgrId, logContentSize);
// increment the offset so that the transaction can fill up the
// content in the correct region of the allocated space.
- logLocator.increaseMemoryOffset(logManagerProperties.getLogHeaderSize());
+ logicalLogLocator.increaseMemoryOffset(logRecordHelper.getLogHeaderSize(logType));
- // a COMMIT log record does not have any content
- // and hence the logger (responsible for putting the log content) is
- // not invoked.
- if (requestedSpaceForLog != 0) {
- logger.preLog(context, loggerArguments);
+ // a COMMIT log record does not have any content and hence
+ // the logger (responsible for putting the log content) is not
+ // invoked.
+ if (logContentSize != 0) {
+ logger.preLog(txnCtx, reusableLogContentObject);
}
- if (requestedSpaceForLog != 0) {
+ if (logContentSize != 0) {
// call the logger implementation and ask to fill in the log
// record content at the allocated space.
- logger.log(context, logLocator, requestedSpaceForLog, loggerArguments);
- logger.postLog(context, loggerArguments);
+ logger.log(txnCtx, logicalLogLocator, logContentSize, reusableLogContentObject);
+ logger.postLog(txnCtx, reusableLogContentObject);
+ if (IS_DEBUG_MODE) {
+ logicalLogLocator.setMemoryOffset(logicalLogLocator.getMemoryOffset()
+ - logRecordHelper.getLogHeaderSize(logType));
+ System.out.println(logRecordHelper.getLogRecordForDisplay(logicalLogLocator));
+ logicalLogLocator.increaseMemoryOffset(logRecordHelper.getLogHeaderSize(logType));
+ }
}
- /*
- * The log record has been written. For integrity checks, compute
- * the checksum and put it at the end of the log record.
- */
- int startPosChecksum = logLocator.getMemoryOffset() - logManagerProperties.getLogHeaderSize();
- int length = totalLogSize - logManagerProperties.getLogChecksumSize();
+ // The log record has been written. For integrity checks, compute
+ // the checksum and put it at the end of the log record.
+ int startPosChecksum = logicalLogLocator.getMemoryOffset() - logRecordHelper.getLogHeaderSize(logType);
+ int length = totalLogSize - logRecordHelper.getLogChecksumSize();
long checksum = DataUtil.getChecksum(logPages[pageIndex], startPosChecksum, length);
- logPages[pageIndex].writeLong(pageOffset + logManagerProperties.getLogHeaderSize() + requestedSpaceForLog,
+ logPages[pageIndex].writeLong(pageOffset + logRecordHelper.getLogHeaderSize(logType) + logContentSize,
checksum);
- /*
- * release the ownership as the log record has been placed in
- * created space.
- */
- int pageDirtyCount = logPageOwnerCount[pageIndex].decrementAndGet();
+ if (IS_DEBUG_MODE) {
+ System.out.println("--------------> LSN(" + currentLSN + ") is written");
+ }
+
+ // release the ownership as the log record has been placed in
+ // created space.
+ logPageOwnerCount[pageIndex].decrementAndGet();
// indicating that the transaction thread has released ownership
decremented = true;
- /*
- * If the transaction thread happens to be the last owner of the log
- * page the page must by marked as a candidate to be flushed.
- */
- if (pageDirtyCount == 0) {
- logPageStatus[pageIndex].set(PageState.INACTIVE);
- addFlushRequest(pageIndex);
- addedFlushRequest = true;
- }
-
- /*
- * If the log type is commit, a flush request is registered, if the
- * log record has not reached the disk. It may be possible that this
- * thread does not get CPU cycles and in-between the log record has
- * been flushed to disk because the containing log page filled up.
- */
- if (logType == LogType.COMMIT) {
- if (getLastFlushedLsn().get() < myLogLocator) {
- if (!addedFlushRequest) {
- addFlushRequest(pageIndex);
- }
-
- /*
- * the commit log record is still in log buffer. need to
- * wait until the containing log page is flushed. When the
- * log flusher thread does flush the page, it notifies all
- * waiting threads of the flush event.
- */
- synchronized (logPages[pageIndex]) {
- while (getLastFlushedLsn().get() < myLogLocator) {
- logPages[pageIndex].wait();
- }
- }
+ if (logType == LogType.ENTITY_COMMIT) {
+ map = activeTxnCountMaps.get(pageIndex);
+ if (map.containsKey(txnCtx)) {
+ activeTxnCount = (Integer) map.get(txnCtx);
+ activeTxnCount++;
+ map.put(txnCtx, activeTxnCount);
+ } else {
+ map.put(txnCtx, 1);
}
+ addFlushRequest(pageIndex, currentLSN, false);
+ } else if (logType == LogType.COMMIT) {
+ addFlushRequest(pageIndex, currentLSN, true);
}
+
} catch (Exception e) {
e.printStackTrace();
- throw new ACIDException(context, "Thread: " + Thread.currentThread().getName()
+ throw new ACIDException(txnCtx, "Thread: " + Thread.currentThread().getName()
+ " logger encountered exception", e);
} finally {
- /*
- * If an exception was encountered and we did not release ownership
- */
if (!decremented) {
logPageOwnerCount[pageIndex].decrementAndGet();
}
@@ -688,97 +576,164 @@
/*
* Read a log that is residing on the disk.
*/
- private LogicalLogLocator readDiskLog(PhysicalLogLocator physicalLogLocator) throws ACIDException {
- LogicalLogLocator logicalLogLocator;
- String filePath = LogUtil.getLogFilePath(logManagerProperties,
- LogUtil.getFileId(this, physicalLogLocator.getLsn()));
- long fileOffset = LogUtil.getFileOffset(this, physicalLogLocator.getLsn());
+ private void readDiskLog(long lsnValue, LogicalLogLocator logicalLogLocator) throws ACIDException {
+ String filePath = LogUtil.getLogFilePath(logManagerProperties, LogUtil.getFileId(this, lsnValue));
+ long fileOffset = LogUtil.getFileOffset(this, lsnValue);
+
ByteBuffer buffer = ByteBuffer.allocate(logManagerProperties.getLogPageSize());
RandomAccessFile raf = null;
+ FileChannel fileChannel = null;
try {
raf = new RandomAccessFile(filePath, "r");
- raf.seek(fileOffset);
- FileChannel fileChannel = raf.getChannel();
+ fileChannel = raf.getChannel();
+ fileChannel.position(fileOffset);
fileChannel.read(buffer);
buffer.position(0);
- buffer.limit(buffer.getInt(4));
+
+ byte logType = buffer.get(4);
+ int logHeaderSize = logRecordHelper.getLogHeaderSize(logType);
+ int logBodySize = buffer.getInt(logHeaderSize - 4);
+ int logRecordSize = logHeaderSize + logBodySize + logRecordHelper.getLogChecksumSize();
+ buffer.limit(logRecordSize);
MemBasedBuffer memBuffer = new MemBasedBuffer(buffer.slice());
- logicalLogLocator = new LogicalLogLocator(physicalLogLocator.getLsn(), memBuffer, 0, this);
- if (!logRecordHelper.validateLogRecord(logManagerProperties, logicalLogLocator)) {
- throw new ACIDException(" invalid log record at lsn " + physicalLogLocator.getLsn());
+ if (logicalLogLocator == null) {
+ logicalLogLocator = new LogicalLogLocator(lsnValue, memBuffer, 0, this);
+ } else {
+ logicalLogLocator.setLsn(lsnValue);
+ logicalLogLocator.setBuffer(memBuffer);
+ logicalLogLocator.setMemoryOffset(0);
+ }
+ if (!logRecordHelper.validateLogRecord(logicalLogLocator)) {
+ throw new ACIDException(" invalid log record at lsn " + lsnValue);
}
} catch (Exception fnfe) {
- throw new ACIDException(" unable to retrieve log record with lsn " + physicalLogLocator.getLsn()
- + " from the file system", fnfe);
+ fnfe.printStackTrace();
+ throw new ACIDException(" unable to retrieve log record with lsn " + lsnValue + " from the file system",
+ fnfe);
} finally {
try {
- if (raf != null) {
+ if (fileChannel != null) {
+ fileChannel.close();
+ } else if (raf != null) {
raf.close();
}
} catch (IOException ioe) {
ioe.printStackTrace();
- throw new ACIDException(" exception in closing " + raf, ioe);
+ throw new ACIDException(" exception in closing a file: " + filePath, ioe);
}
}
- return logicalLogLocator;
}
@Override
- public LogicalLogLocator readLog(PhysicalLogLocator physicalLogLocator) throws ACIDException {
+ public void readLog(long lsnValue, LogicalLogLocator logicalLogLocator) throws ACIDException {
byte[] logRecord = null;
- long lsnValue = physicalLogLocator.getLsn();
- if (lsnValue > lsn.get()) {
- throw new ACIDException(" invalid lsn " + physicalLogLocator);
- }
- LogicalLogLocator logLocator = null;
+ if (lsnValue >= lsn.get()) {
+ throw new ACIDException(" invalid lsn " + lsnValue);
+ }
/* check if the log record in the log buffer or has reached the disk. */
if (lsnValue > getLastFlushedLsn().get()) {
int pageIndex = getLogPageIndex(lsnValue);
int pageOffset = getLogPageOffset(lsnValue);
+
+ // TODO
+ // minimize memory allocation overhead. current code allocates the
+ // log page size per reading a log record.
+
byte[] pageContent = new byte[logManagerProperties.getLogPageSize()];
+
// take a lock on the log page so that the page is not flushed to
// disk interim
synchronized (logPages[pageIndex]) {
- if (lsnValue > getLastFlushedLsn().get()) { // need to check
- // again
- // (this
- // thread may have got
- // de-scheduled and must
- // refresh!)
+
+ // need to check again (this thread may have got de-scheduled
+ // and must refresh!)
+ if (lsnValue > getLastFlushedLsn().get()) {
// get the log record length
logPages[pageIndex].getBytes(pageContent, 0, pageContent.length);
- int logRecordLength = DataUtil.byteArrayToInt(pageContent, pageOffset + 4);
- logRecord = new byte[logRecordLength];
+ byte logType = pageContent[pageOffset + 4];
+ int logHeaderSize = logRecordHelper.getLogHeaderSize(logType);
+ int logBodySize = DataUtil.byteArrayToInt(pageContent, pageOffset + logHeaderSize - 4);
+ int logRecordSize = logHeaderSize + logBodySize + logRecordHelper.getLogChecksumSize();
+ logRecord = new byte[logRecordSize];
- /*
- * copy the log record content
- */
- System.arraycopy(pageContent, pageOffset, logRecord, 0, logRecordLength);
+ // copy the log record content
+ System.arraycopy(pageContent, pageOffset, logRecord, 0, logRecordSize);
MemBasedBuffer memBuffer = new MemBasedBuffer(logRecord);
- logLocator = new LogicalLogLocator(lsnValue, memBuffer, 0, this);
+ if (logicalLogLocator == null) {
+ logicalLogLocator = new LogicalLogLocator(lsnValue, memBuffer, 0, this);
+ } else {
+ logicalLogLocator.setLsn(lsnValue);
+ logicalLogLocator.setBuffer(memBuffer);
+ logicalLogLocator.setMemoryOffset(0);
+ }
try {
// validate the log record by comparing checksums
- if (!logRecordHelper.validateLogRecord(logManagerProperties, logLocator)) {
- throw new ACIDException(" invalid log record at lsn " + physicalLogLocator);
+ if (!logRecordHelper.validateLogRecord(logicalLogLocator)) {
+ throw new ACIDException(" invalid log record at lsn " + lsnValue);
}
} catch (Exception e) {
- throw new ACIDException("exception encoutered in validating log record at lsn "
- + physicalLogLocator, e);
+ throw new ACIDException("exception encoutered in validating log record at lsn " + lsnValue, e);
}
- return logLocator;
+ return;
}
}
}
- /*
- * the log record is residing on the disk, read it from there.
- */
- return readDiskLog(physicalLogLocator);
+ // the log record is residing on the disk, read it from there.
+ readDiskLog(lsnValue, logicalLogLocator);
}
+ public void renewLogFiles() throws ACIDException {
+ List<String> logFileNames = LogUtil.getLogFiles(logManagerProperties);
+ for (String name : logFileNames) {
+ File file = new File(LogUtil.getLogFilePath(logManagerProperties, Long.parseLong(name)));
+ if (!file.delete()) {
+ throw new ACIDException("Failed to delete a file: " + name);
+ }
+ }
+ closeLogPages();
+ initLSN();
+ openLogPages();
+ }
+
+ private PhysicalLogLocator initLSN() throws ACIDException {
+ PhysicalLogLocator nextPhysicalLsn = LogUtil.initializeLogAnchor(this);
+ startingLSN = nextPhysicalLsn.getLsn();
+ lastFlushedLSN.set(startingLSN - 1);
+ if (LOGGER.isLoggable(Level.INFO)) {
+ LOGGER.info(" Starting lsn is : " + startingLSN);
+ }
+ lsn.set(startingLSN);
+ return nextPhysicalLsn;
+ }
+
+ private void closeLogPages() throws ACIDException {
+ for (int i = 0; i < numLogPages; i++) {
+ try {
+ logPages[i].close();
+ } catch (IOException e) {
+ throw new ACIDException(e);
+ }
+ }
+ }
+
+ private void openLogPages() throws ACIDException {
+ try {
+ String filePath = LogUtil.getLogFilePath(logManagerProperties, LogUtil.getFileId(this, startingLSN));
+ for (int i = 0; i < numLogPages; i++) {
+ logPages[i].open(filePath,
+ LogUtil.getFileOffset(this, startingLSN) + i * logManagerProperties.getLogPageSize(),
+ logManagerProperties.getLogPageSize());
+ }
+ } catch (Exception e) {
+ throw new ACIDException(Thread.currentThread().getName() + " unable to create log buffer", e);
+ }
+ }
+
+ @Override
public ILogRecordHelper getLogRecordHelper() {
return logRecordHelper;
}
@@ -789,11 +744,12 @@
* logic to event based when log manager support is integrated with the
* Buffer Manager.
*/
+ @Override
public synchronized void flushLog(LogicalLogLocator logicalLogLocator) throws ACIDException {
if (logicalLogLocator.getLsn() > lsn.get()) {
throw new ACIDException(" invalid lsn " + logicalLogLocator.getLsn());
}
- while (lastFlushedLsn.get() < logicalLogLocator.getLsn());
+ while (lastFlushedLSN.get() < logicalLogLocator.getLsn());
}
/*
@@ -828,6 +784,7 @@
return pageNo == 0 ? numLogPages - 1 : pageNo - 1;
}
+ @Override
public LogManagerProperties getLogManagerProperties() {
return logManagerProperties;
}
@@ -840,30 +797,40 @@
return logPageOwnerCount[pageIndex];
}
- public ICommitResolver getCommitResolver() {
- return commitResolver;
- }
-
- public CommitRequestStatistics getCommitRequestStatistics() {
- return commitRequestStatistics;
- }
-
public IFileBasedBuffer[] getLogPages() {
return logPages;
}
- public int getLastFlushedPage() {
- return lastFlushedPage.get();
- }
-
- public void setLastFlushedPage(int lastFlushedPage) {
- this.lastFlushedPage.set(lastFlushedPage);
- }
-
@Override
- public TransactionProvider getTransactionProvider() {
+ public TransactionSubsystem getTransactionSubsystem() {
return provider;
}
+
+ public void decrementActiveTxnCountOnIndexes(int pageIndex) throws HyracksDataException {
+ TransactionContext ctx = null;
+ int count = 0;
+ int i = 0;
+
+ HashMap<TransactionContext, Integer> map = activeTxnCountMaps.get(pageIndex);
+ Set<Map.Entry<TransactionContext, Integer>> entrySet = map.entrySet();
+ if (entrySet != null) {
+ for (Map.Entry<TransactionContext, Integer> entry : entrySet) {
+ if (entry != null) {
+ if (entry.getValue() != null) {
+ count = entry.getValue();
+ }
+ if (count > 0) {
+ ctx = entry.getKey();
+ for (i = 0; i < count; i++) {
+ ctx.decreaseActiveTransactionCountOnIndexes();
+ }
+ }
+ }
+ }
+ }
+
+ map.clear();
+ }
}
/*
@@ -875,36 +842,83 @@
class LogPageFlushThread extends Thread {
private LogManager logManager;
+ /*
+ * pendingFlushRequests is a map with key as Integer denoting the page
+ * index. When a (transaction) thread discovers the need to flush a page, it
+ * puts its Thread object into the corresponding value that is a
+ * LinkedBlockingQueue. The LogManager has a LogFlusher thread that scans
+ * this map in order of page index (and circling around). The flusher thread
+ * needs to flush pages in order and waits for a thread to deposit an object
+ * in the blocking queue corresponding to the next page in order. A request
+ * to flush a page is conveyed to the flush thread by simply depositing an
+ * object in to corresponding blocking queue. It is blocking in the sense
+ * that the flusher thread will continue to wait for an object to arrive in
+ * the queue. The object itself is ignored by the fliusher and just acts as
+ * a signal/event that a page needs to be flushed.
+ */
+ private final LinkedBlockingQueue<Object>[] flushRequestQueue;
+ private final Object[] flushRequests;
+ private int lastFlushedPageIndex;
+ private final long groupCommitWaitPeriod;
public LogPageFlushThread(LogManager logManager) {
this.logManager = logManager;
setName("Flusher");
+ int numLogPages = logManager.getLogManagerProperties().getNumLogPages();
+ this.flushRequestQueue = new LinkedBlockingQueue[numLogPages];
+ this.flushRequests = new Object[numLogPages];
+ for (int i = 0; i < numLogPages; i++) {
+ flushRequestQueue[i] = new LinkedBlockingQueue<Object>(1);
+ flushRequests[i] = new Object();
+ }
+ this.lastFlushedPageIndex = -1;
+ groupCommitWaitPeriod = logManager.getLogManagerProperties().getGroupCommitWaitPeriod();
+ }
+
+ public void requestFlush(int pageIndex, long lsn, boolean isSynchronous) {
+ synchronized (logManager.getLogPage(pageIndex)) {
+ // return if flushedLSN >= lsn
+ if (logManager.getLastFlushedLsn().get() >= lsn) {
+ return;
+ }
+
+ // put a new request to the queue only if the request on the page is
+ // not in the queue.
+ flushRequestQueue[pageIndex].offer(flushRequests[pageIndex]);
+
+ // return if the request is asynchronous
+ if (!isSynchronous) {
+ return;
+ }
+
+ // wait until there is flush.
+ boolean isNotified = false;
+ while (!isNotified) {
+ try {
+ logManager.getLogPage(pageIndex).wait();
+ isNotified = true;
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ }
+ }
+ }
}
@Override
public void run() {
while (true) {
try {
- int pageToFlush = logManager.getNextPageInSequence(logManager.getLastFlushedPage());
+ int pageToFlush = logManager.getNextPageInSequence(lastFlushedPageIndex);
- /*
- * A wait call on the linkedBLockingQueue. The flusher thread is
- * notified when an object is added to the queue. Please note
- * that each page has an associated blocking queue.
- */
- logManager.getPendingFlushRequests(pageToFlush).take();
+ // A wait call on the linkedBLockingQueue. The flusher thread is
+ // notified when an object is added to the queue. Please note
+ // that each page has an associated blocking queue.
+ flushRequestQueue[pageToFlush].take();
- /*
- * The LogFlusher was waiting for a page to be marked as a
- * candidate for flushing. Now that has happened. The thread
- * shall proceed to take a lock on the log page
- */
- synchronized (logManager.getLogPages()[pageToFlush]) {
+ synchronized (logManager.getLogPage(pageToFlush)) {
- /*
- * lock the internal state of the log manager and create a
- * log file if necessary.
- */
+ // lock the internal state of the log manager and create a
+ // log file if necessary.
int prevLogFileId = logManager.getLogFileId(logManager.getLastFlushedLsn().get());
int nextLogFileId = logManager.getLogFileId(logManager.getLastFlushedLsn().get()
+ logManager.getLogManagerProperties().getLogPageSize());
@@ -916,197 +930,64 @@
logManager.getLogManagerProperties().getLogPageSize());
}
- logManager.getLogPage(pageToFlush).flush(); // put the
- // content to
- // disk, the
- // thread still
- // has a lock on
- // the log page
+ // #. sleep during the groupCommitWaitTime
+ sleep(groupCommitWaitPeriod);
- /*
- * acquire lock on the log manager as we need to update the
- * internal bookkeeping data.
- */
+ // #. set the logPageStatus to INACTIVE in order to prevent
+ // other txns from writing on this page.
+ logManager.getLogPageStatus(pageToFlush).set(PageState.INACTIVE);
- // increment the last flushed lsn.
- long lastFlushedLsn = logManager.incrementLastFlushedLsn(logManager.getLogManagerProperties()
- .getLogPageSize());
-
- /*
- * the log manager gains back ownership of the page. this is
- * reflected by incrementing the owner count of the page.
- * recall that when the page is begin flushed the owner
- * count is actually 0 Value of zero implicitly indicates
- * that the page is operated upon by the log flusher thread.
- */
- logManager.getLogPageOwnershipCount(pageToFlush).incrementAndGet();
-
- /*
- * get the number of log buffers that have been written so
- * far. A log buffer = number of log pages * size of a log
- * page
- */
- int numCycles = (int) lastFlushedLsn / logManager.getLogManagerProperties().getLogBufferSize();
- if (lastFlushedLsn % logManager.getLogManagerProperties().getLogBufferSize() == 0) {
- numCycles--;
+ // #. need to wait until the logPageOwnerCount reaches 1
+ // (LOG_WRITER)
+ // meaning every one has finished writing logs on this page.
+ while (logManager.getLogPageOwnershipCount(pageToFlush).get() != PageOwnershipStatus.LOG_WRITER) {
+ sleep(0);
}
- /*
- * Map the log page to a new region in the log file.
- */
+ // #. set the logPageOwnerCount to 0 (LOG_FLUSHER)
+ // meaning it is flushing.
+ logManager.getLogPageOwnershipCount(pageToFlush).set(PageOwnershipStatus.LOG_FLUSHER);
+ // put the content to disk (the thread still has a lock on
+ // the log page)
+ logManager.getLogPage(pageToFlush).flush();
+
+ // increment the last flushed lsn and lastFlushedPage
+ logManager.incrementLastFlushedLsn(logManager.getLogManagerProperties().getLogPageSize());
+ lastFlushedPageIndex = pageToFlush;
+
+ // decrement activeTxnCountOnIndexes
+ logManager.decrementActiveTxnCountOnIndexes(pageToFlush);
+
+ // reset the count to 1
+ logManager.getLogPageOwnershipCount(pageToFlush).set(PageOwnershipStatus.LOG_WRITER);
+
+ // Map the log page to a new region in the log file.
long nextWritePosition = logManager.getLogPages()[pageToFlush].getNextWritePosition()
+ logManager.getLogManagerProperties().getLogBufferSize();
- /*
- * long nextPos = (numCycles + 1)
- * logManager.getLogManagerProperties() .getLogBufferSize()
- * + pageToFlush logManager.getLogManagerProperties()
- * .getLogPageSize();
- */
logManager.resetLogPage(nextWritePosition, pageToFlush);
// mark the page as ACTIVE
logManager.getLogPageStatus(pageToFlush).set(LogManager.PageState.ACTIVE);
+ // #. checks the queue whether there is another flush
+ // request on the same log buffer
+ // If there is another request, then simply remove it.
+ if (flushRequestQueue[pageToFlush].peek() != null) {
+ flushRequestQueue[pageToFlush].take();
+ }
+
// notify all waiting (transaction) threads.
- // Transaction thread may be waiting for the page to be
- // available or may have a commit log record on the page
- // that got flushed.
- logManager.getLogPages()[pageToFlush].notifyAll();
- logManager.setLastFlushedPage(pageToFlush);
+ logManager.getLogPage(pageToFlush).notifyAll();
}
} catch (IOException ioe) {
ioe.printStackTrace();
throw new Error(" exception in flushing log page", ioe);
} catch (InterruptedException e) {
e.printStackTrace();
- break; // must break from the loop as the exception indicates
- // some thing horrendous has happened elsewhere
+ break;
}
}
}
-}
-
-/*
- * TODO: By default the commit policy is to commit at each request and not have
- * a group commit. The following code needs to change to support group commit.
- * The code for group commit has not been tested thoroughly and is under
- * development.
- */
-class BasicCommitResolver implements ICommitResolver {
-
- public boolean shouldCommitPage(int pageIndex, LogManager logManager,
- CommitRequestStatistics commitRequestStatistics) {
- return true;
- }
-
- public void init(LogManager logManager) {
- }
-}
-
-class GroupCommitResolver implements ICommitResolver {
-
- public boolean shouldCommitPage(int pageIndex, LogManager logManager,
- CommitRequestStatistics commitRequestStatistics) {
- long maxCommitWait = logManager.getLogManagerProperties().getGroupCommitWaitPeriod();
- long timestamp = commitRequestStatistics.getPageLevelLastCommitRequestTimestamp(pageIndex);
- if (timestamp == -1) {
- if (maxCommitWait == 0) {
- return true;
- } else {
- timestamp = System.currentTimeMillis();
- }
- }
- long currenTime = System.currentTimeMillis();
- if (currenTime - timestamp > maxCommitWait) {
- return true;
- }
- return false;
- }
-
- public void init(LogManager logManager) {
- GroupCommitHandlerThread groupCommitHandler = new GroupCommitHandlerThread(logManager);
- groupCommitHandler.setDaemon(true);
- groupCommitHandler.start();
- }
-
- class GroupCommitHandlerThread extends Thread {
-
- private LogManager logManager;
-
- public GroupCommitHandlerThread(LogManager logManager) {
- this.logManager = logManager;
- setName("Group Commit Handler");
- }
-
- @Override
- public void run() {
- int pageIndex = -1;
- while (true) {
- pageIndex = logManager.getNextPageInSequence(pageIndex);
- long lastCommitRequeestTimestamp = logManager.getCommitRequestStatistics()
- .getPageLevelLastCommitRequestTimestamp(pageIndex);
- if (lastCommitRequeestTimestamp != -1
- && System.currentTimeMillis() - lastCommitRequeestTimestamp > logManager
- .getLogManagerProperties().getGroupCommitWaitPeriod()) {
- int dirtyCount = logManager.getLogPageOwnershipCount(pageIndex).decrementAndGet();
- if (dirtyCount == 0) {
- try {
- logManager.getLogPageStatus(pageIndex).set(LogManager.PageState.INACTIVE);
- logManager.getPendingFlushRequests(pageIndex).put(Thread.currentThread());
- } catch (InterruptedException e) {
- e.printStackTrace();
- break;
- }
- logManager.getCommitRequestStatistics().committedPage(pageIndex);
- }
- }
- }
- }
- }
-
-}
-
-interface ICommitResolver {
- public boolean shouldCommitPage(int pageIndex, LogManager logManager,
- CommitRequestStatistics commitRequestStatistics);
-
- public void init(LogManager logManager);
-}
-
-/**
- * Represents a collection of all commit requests by transactions for each log
- * page. The requests are accumulated until the commit policy triggers a flush
- * of the corresponding log page. Upon a flush of a page, all commit requests
- * for the page are cleared.
- */
-class CommitRequestStatistics {
-
- AtomicInteger[] pageLevelCommitRequestCount;
- AtomicLong[] pageLevelLastCommitRequestTimestamp;
-
- public CommitRequestStatistics(int numPages) {
- pageLevelCommitRequestCount = new AtomicInteger[numPages];
- pageLevelLastCommitRequestTimestamp = new AtomicLong[numPages];
- for (int i = 0; i < numPages; i++) {
- pageLevelCommitRequestCount[i] = new AtomicInteger(0);
- pageLevelLastCommitRequestTimestamp[i] = new AtomicLong(-1L);
- }
- }
-
- public void registerCommitRequest(int pageIndex) {
- pageLevelCommitRequestCount[pageIndex].incrementAndGet();
- pageLevelLastCommitRequestTimestamp[pageIndex].set(System.currentTimeMillis());
- }
-
- public long getPageLevelLastCommitRequestTimestamp(int pageIndex) {
- return pageLevelLastCommitRequestTimestamp[pageIndex].get();
- }
-
- public void committedPage(int pageIndex) {
- pageLevelCommitRequestCount[pageIndex].set(0);
- pageLevelLastCommitRequestTimestamp[pageIndex].set(-1L);
- }
-
-}
+}
\ No newline at end of file
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogManagerProperties.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogManagerProperties.java
index 14b45b6..84294c9 100644
--- a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogManagerProperties.java
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogManagerProperties.java
@@ -1,5 +1,5 @@
/*
- * Copyright 2009-2010 by The Regents of the University of California
+ * Copyright 2009-2012 by The Regents of the University of California
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* you may obtain a copy of the License from
@@ -17,111 +17,81 @@
import java.io.Serializable;
import java.util.Properties;
-import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionManagementConstants;
-
public class LogManagerProperties implements Serializable {
- /**
- * generated SerialVersionUID
- */
private static final long serialVersionUID = 2084227360840799662L;
- private String logFilePrefix = "asterix_transaction_log"; // log files
-
- // follow the
- // naming
- // convention
- // <logFilePrefix>_<number>
- // where number
- // starts from 0
-
- private String logDir = "asterix_logs"; // the path where the LogManager
- // will create log files
-
- private int logPageSize = 128 * 1024; // 128 KB
- private int numLogPages = 8; // number of log pages in the log buffer.
- private long logPartitionSize = logPageSize * 250; // maximum size of each
- // log file
- private long groupCommitWaitPeriod = 0; // time in milliseconds for which a
- // commit record will wait before
- // the housing page is marked for
- // flushing.
- private int logBufferSize = logPageSize * numLogPages;
-
- private final int logHeaderSize = 43; /*
- * ( magic number(4) + (length(4) +
- * type(1) + actionType(1) +
- * timestamp(8) + transacitonId(8) +
- * resourceMgrId(1) + pageId(8) +
- * prevLSN(8)
- */
- private int logTailSize = 8; /* checksum(8) */
- public int logMagicNumber = 123456789;
-
- public static final String LOG_PARTITION_SIZE_KEY = "log_partition_size";
+ public static final int LOG_MAGIC_NUMBER = 123456789;
public static final String LOG_DIR_KEY = "log_dir";
public static final String LOG_PAGE_SIZE_KEY = "log_page_size";
+ public static final String LOG_PARTITION_SIZE_KEY = "log_partition_size";
public static final String NUM_LOG_PAGES_KEY = "num_log_pages";
public static final String LOG_FILE_PREFIX_KEY = "log_file_prefix";
- public static final String GROUP_COMMIT_WAIT_PERIOD = "group_commit_wait_period";
+ public static final String GROUP_COMMIT_WAIT_PERIOD_KEY = "group_commit_wait_period";
+
+ private static final int DEFAULT_LOG_PAGE_SIZE = 128 * 1024; //128KB
+ private static final int DEFAULT_NUM_LOG_PAGES = 8;
+ private static final long DEFAULT_LOG_PARTITION_SIZE = (long) 1024 * 1024 * 1024 * 2; //2GB
+ private static final long DEFAULT_GROUP_COMMIT_WAIT_PERIOD = 1; // time in millisec.
+ private static final String DEFAULT_LOG_FILE_PREFIX = "asterix_transaction_log";
+ private static final String DEFAULT_LOG_DIRECTORY = "asterix_logs";
+
+ // follow the naming convention <logFilePrefix>_<number> where number starts from 0
+ private final String logFilePrefix;
+ private final String logDir;
+
+ // number of log pages in the log buffer
+ private final int logPageSize;
+ // number of log pages in the log buffer.
+ private final int numLogPages;
+ // time in milliseconds
+ private final long groupCommitWaitPeriod;
+ // logBufferSize = logPageSize * numLogPages;
+ private final int logBufferSize;
+ // maximum size of each log file
+ private final long logPartitionSize;
public LogManagerProperties(Properties properties) {
- if (properties.get(LOG_PAGE_SIZE_KEY) != null) {
- logPageSize = Integer.parseInt(properties.getProperty(LOG_PAGE_SIZE_KEY));
- }
- if (properties.get(NUM_LOG_PAGES_KEY) != null) {
- numLogPages = Integer.parseInt(properties.getProperty(NUM_LOG_PAGES_KEY));
- }
+ this.logPageSize = Integer.parseInt(properties.getProperty(LOG_PAGE_SIZE_KEY, "" + DEFAULT_LOG_PAGE_SIZE));
+ this.numLogPages = Integer.parseInt(properties.getProperty(NUM_LOG_PAGES_KEY, "" + DEFAULT_NUM_LOG_PAGES));
+ long logPartitionSize = Long.parseLong(properties.getProperty(LOG_PARTITION_SIZE_KEY, ""
+ + DEFAULT_LOG_PARTITION_SIZE));
+ this.logDir = properties.getProperty(LOG_DIR_KEY, DEFAULT_LOG_DIRECTORY);
+ this.logFilePrefix = properties.getProperty(LOG_FILE_PREFIX_KEY, DEFAULT_LOG_FILE_PREFIX);
+ this.groupCommitWaitPeriod = Long.parseLong(properties.getProperty(GROUP_COMMIT_WAIT_PERIOD_KEY, ""
+ + DEFAULT_GROUP_COMMIT_WAIT_PERIOD));
- if (properties.get(LOG_PARTITION_SIZE_KEY) != null) {
- logPartitionSize = Long.parseLong(properties.getProperty(LOG_PARTITION_SIZE_KEY));
- }
-
- groupCommitWaitPeriod = Long.parseLong(properties.getProperty("group_commit_wait_period", ""
- + groupCommitWaitPeriod));
- logFilePrefix = properties.getProperty(LOG_FILE_PREFIX_KEY, logFilePrefix);
- logDir = properties
- .getProperty(LOG_DIR_KEY, TransactionManagementConstants.LogManagerConstants.DEFAULT_LOG_DIR);
+ this.logBufferSize = logPageSize * numLogPages;
+ //make sure that the log partition size is the multiple of log buffer size.
+ this.logPartitionSize = (logPartitionSize / logBufferSize) * logBufferSize;
}
public long getLogPartitionSize() {
return logPartitionSize;
}
- public void setLogPartitionSize(long logPartitionSize) {
- this.logPartitionSize = logPartitionSize;
- }
-
public String getLogFilePrefix() {
return logFilePrefix;
}
- public void setLogDir(String logDir) {
- this.logDir = logDir;
- }
-
public String getLogDir() {
return logDir;
}
- public int getLogHeaderSize() {
- return logHeaderSize;
- }
-
- public int getLogChecksumSize() {
- return logTailSize;
- }
-
- public int getTotalLogRecordLength(int logContentSize) {
- return logContentSize + logHeaderSize + logTailSize;
- }
-
public int getLogPageSize() {
return logPageSize;
}
- public void setLogPageSize(int logPageSize) {
- this.logPageSize = logPageSize;
+ public int getNumLogPages() {
+ return numLogPages;
+ }
+
+ public int getLogBufferSize() {
+ return logBufferSize;
+ }
+
+ public long getGroupCommitWaitPeriod() {
+ return groupCommitWaitPeriod;
}
public String toString() {
@@ -134,29 +104,4 @@
builder.append("group_commit_wait_period : " + groupCommitWaitPeriod + FileUtil.lineSeparator);
return builder.toString();
}
-
- public void setNumLogPages(int numLogPages) {
- this.numLogPages = numLogPages;
- }
-
- public int getNumLogPages() {
- return numLogPages;
- }
-
- public void setLogBufferSize(int logBufferSize) {
- this.logBufferSize = logBufferSize;
- }
-
- public int getLogBufferSize() {
- return logBufferSize;
- }
-
- public long getGroupCommitWaitPeriod() {
- return groupCommitWaitPeriod;
- }
-
- public void setGroupCommitWaitPeriod(long groupCommitWaitPeriod) {
- this.groupCommitWaitPeriod = groupCommitWaitPeriod;
- }
-
}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogRecordHelper.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogRecordHelper.java
index e5cf1af..6b882ef 100644
--- a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogRecordHelper.java
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogRecordHelper.java
@@ -21,18 +21,45 @@
* for writing/reading of log header and checksum as well as validating log
* record by checksum comparison. Every ILogManager implementation has an
* associated ILogRecordHelper implementation.
+ * == LogRecordFormat ==
+ * [Header]
+ * --------------------------- Header part1(17) : Both COMMIT and UPDATE log type have part1 fields
+ * LogMagicNumber(4)
+ * LogType(1)
+ * JobId(4)
+ * DatasetId(4) //stored in dataset_dataset in Metadata Node
+ * PKHashValue(4)
+ * --------------------------- Header part2(21) : Only UPDATE log type has part2 fields
+ * PrevLSN(8) //only for UPDATE
+ * ResourceId(8) //stored in .metadata of the corresponding index in NC node
+ * ResourceMgrId(1)
+ * LogRecordSize(4)
+ * --------------------------- COMMIT doesn't have Body fields.
+ * [Body] The Body size is given through the parameter reusableLogContentObjectLength
+ * TupleFieldCount(4)
+ * NewOp(1)
+ * NewValueLength(4)
+ * NewValue(NewValueLength)
+ * OldOp(1)
+ * OldValueLength(4)
+ * OldValue(OldValueLength)
+ * --------------------------- Both COMMIT and UPDATE have tail fields.
+ * [Tail]
+ * Checksum(8)
*/
public class LogRecordHelper implements ILogRecordHelper {
- private final int BEGIN_MAGIC_NO_POS = 0;
- private final int BEGING_LENGTH_POS = 4;
- private final int BEGIN_TYPE_POS = 8;
- private final int BEGIN_ACTION_TYPE_POS = 9;
- private final int BEGIN_TIMESTAMP_POS = 10;
- private final int BEGIN_TRANSACTION_ID_POS = 18;
- private final int BEGIN_RESOURCE_MGR_ID_POS = 26;
- private final int BEGIN_PAGE_ID_POS = 27;
- private final int BEGIN_PREV_LSN_POS = 35;
+ private final int LOG_CHECKSUM_SIZE = 8;
+
+ private final int MAGIC_NO_POS = 0;
+ private final int LOG_TYPE_POS = 4;
+ private final int JOB_ID_POS = 5;
+ private final int DATASET_ID_POS = 9;
+ private final int PK_HASH_VALUE_POS = 13;
+ private final int PREV_LSN_POS = 17;
+ private final int RESOURCE_ID_POS = 25;
+ private final int RESOURCE_MGR_ID_POS = 33;
+ private final int LOG_RECORD_SIZE_POS = 34;
private ILogManager logManager;
@@ -40,59 +67,38 @@
this.logManager = logManager;
}
+ @Override
public byte getLogType(LogicalLogLocator logicalLogLocator) {
- return logicalLogLocator.getBuffer().getByte(logicalLogLocator.getMemoryOffset() + BEGIN_TYPE_POS);
+ return logicalLogLocator.getBuffer().getByte(logicalLogLocator.getMemoryOffset() + LOG_TYPE_POS);
}
- public byte getLogActionType(LogicalLogLocator logicalLogLocator) {
- return logicalLogLocator.getBuffer().getByte(logicalLogLocator.getMemoryOffset() + BEGIN_ACTION_TYPE_POS);
+ @Override
+ public int getJobId(LogicalLogLocator logicalLogLocator) {
+ return logicalLogLocator.getBuffer().readInt(logicalLogLocator.getMemoryOffset() + JOB_ID_POS);
}
- public int getLogLength(LogicalLogLocator logicalLogLocator) {
- return (logicalLogLocator.getBuffer()).readInt(logicalLogLocator.getMemoryOffset() + BEGING_LENGTH_POS);
+ @Override
+ public int getDatasetId(LogicalLogLocator logicalLogLocator) {
+ return logicalLogLocator.getBuffer().readInt(logicalLogLocator.getMemoryOffset() + DATASET_ID_POS);
}
- public long getLogTimestamp(LogicalLogLocator logicalLogLocator) {
- return (logicalLogLocator.getBuffer()).readLong(logicalLogLocator.getMemoryOffset() + BEGIN_TIMESTAMP_POS);
+ @Override
+ public int getPKHashValue(LogicalLogLocator logicalLogLocator) {
+ return logicalLogLocator.getBuffer().readInt(logicalLogLocator.getMemoryOffset() + PK_HASH_VALUE_POS);
}
- public long getLogChecksum(LogicalLogLocator logicalLogLocator) {
- return (logicalLogLocator.getBuffer()).readLong(logicalLogLocator.getMemoryOffset()
- + getLogLength(logicalLogLocator) - 8);
- }
-
- public long getLogTransactionId(LogicalLogLocator logicalLogLocator) {
- return (logicalLogLocator.getBuffer()).readLong(logicalLogLocator.getMemoryOffset() + BEGIN_TRANSACTION_ID_POS);
- }
-
- public byte getResourceMgrId(LogicalLogLocator logicalLogLocator) {
- return (logicalLogLocator.getBuffer()).getByte(logicalLogLocator.getMemoryOffset() + BEGIN_RESOURCE_MGR_ID_POS);
- }
-
- public long getPageId(LogicalLogLocator logicalLogLocator) {
- return (logicalLogLocator.getBuffer()).readLong(logicalLogLocator.getMemoryOffset() + BEGIN_PAGE_ID_POS);
- }
-
- public int getLogContentBeginPos(LogicalLogLocator logicalLogLocator) {
- return logicalLogLocator.getMemoryOffset() + logManager.getLogManagerProperties().getLogHeaderSize();
- }
-
- public int getLogContentEndPos(LogicalLogLocator logicalLogLocator) {
- return logicalLogLocator.getMemoryOffset() + getLogLength(logicalLogLocator)
- - logManager.getLogManagerProperties().getLogChecksumSize();
- }
-
- public PhysicalLogLocator getPreviousLsnByTransaction(LogicalLogLocator logicalLogLocator) {
- long prevLsnValue = (logicalLogLocator.getBuffer()).readLong(logicalLogLocator.getMemoryOffset()
- + BEGIN_PREV_LSN_POS);
+ @Override
+ public PhysicalLogLocator getPrevLSN(LogicalLogLocator logicalLogLocator) {
+ long prevLsnValue = (logicalLogLocator.getBuffer())
+ .readLong(logicalLogLocator.getMemoryOffset() + PREV_LSN_POS);
PhysicalLogLocator previousLogLocator = new PhysicalLogLocator(prevLsnValue, logManager);
return previousLogLocator;
}
- public boolean getPreviousLsnByTransaction(PhysicalLogLocator physicalLogLocator,
- LogicalLogLocator logicalLogLocator) {
- long prevLsnValue = (logicalLogLocator.getBuffer()).readLong(logicalLogLocator.getMemoryOffset()
- + BEGIN_PREV_LSN_POS);
+ @Override
+ public boolean getPrevLSN(PhysicalLogLocator physicalLogLocator, LogicalLogLocator logicalLogLocator) {
+ long prevLsnValue = (logicalLogLocator.getBuffer())
+ .readLong(logicalLogLocator.getMemoryOffset() + PREV_LSN_POS);
if (prevLsnValue == -1) {
return false;
}
@@ -100,6 +106,41 @@
return true;
}
+ @Override
+ public long getResourceId(LogicalLogLocator logicalLogLocator) {
+ return logicalLogLocator.getBuffer().readLong(logicalLogLocator.getMemoryOffset() + RESOURCE_ID_POS);
+ }
+
+ @Override
+ public byte getResourceMgrId(LogicalLogLocator logicalLogLocater) {
+ return logicalLogLocater.getBuffer().getByte(logicalLogLocater.getMemoryOffset() + RESOURCE_MGR_ID_POS);
+ }
+
+ @Override
+ public int getLogContentSize(LogicalLogLocator logicalLogLocater) {
+ return logicalLogLocater.getBuffer().readInt(logicalLogLocater.getMemoryOffset() + LOG_RECORD_SIZE_POS);
+ }
+
+ @Override
+ public long getLogChecksum(LogicalLogLocator logicalLogLocator) {
+ return (logicalLogLocator.getBuffer()).readLong(logicalLogLocator.getMemoryOffset()
+ + getLogRecordSize(getLogType(logicalLogLocator), getLogContentSize(logicalLogLocator))
+ - LOG_CHECKSUM_SIZE);
+ }
+
+ @Override
+ public int getLogContentBeginPos(LogicalLogLocator logicalLogLocator) {
+ return logicalLogLocator.getMemoryOffset() + getLogHeaderSize(getLogType(logicalLogLocator));
+ }
+
+ @Override
+ public int getLogContentEndPos(LogicalLogLocator logicalLogLocator) {
+ return logicalLogLocator.getMemoryOffset()
+ + getLogRecordSize(getLogType(logicalLogLocator), getLogContentSize(logicalLogLocator))
+ - LOG_CHECKSUM_SIZE;
+ }
+
+ @Override
public String getLogRecordForDisplay(LogicalLogLocator logicalLogLocator) {
StringBuilder builder = new StringBuilder();
byte logType = new Byte(getLogType(logicalLogLocator));
@@ -111,67 +152,101 @@
case LogType.UPDATE:
logTypeDisplay = "UPDATE";
break;
+ case LogType.ENTITY_COMMIT:
+ logTypeDisplay = "ENTITY_COMMIT";
+ break;
}
- builder.append(" Log Type :" + logTypeDisplay);
- builder.append(" Log Length :" + getLogLength(logicalLogLocator));
- builder.append(" Log Timestamp:" + getLogTimestamp(logicalLogLocator));
- builder.append(" Log Transaction Id:" + getLogTransactionId(logicalLogLocator));
- builder.append(" Log Resource Mgr Id:" + getResourceMgrId(logicalLogLocator));
- builder.append(" Page Id:" + getPageId(logicalLogLocator));
- builder.append(" Log Checksum:" + getLogChecksum(logicalLogLocator));
- builder.append(" Log Previous lsn: " + getPreviousLsnByTransaction(logicalLogLocator));
- return new String(builder);
- }
-
- public void writeLogHeader(TransactionContext context, LogicalLogLocator logicalLogLocator, byte resourceMgrId,
- long pageId, byte logType, byte logActionType, int logContentSize, long prevLogicalLogLocator) {
- /* magic no */
- (logicalLogLocator.getBuffer()).writeInt(logicalLogLocator.getMemoryOffset() + BEGIN_MAGIC_NO_POS,
- logManager.getLogManagerProperties().logMagicNumber);
-
- /* length */
- int length = logManager.getLogManagerProperties().getTotalLogRecordLength(logContentSize);
- (logicalLogLocator.getBuffer()).writeInt(logicalLogLocator.getMemoryOffset() + BEGING_LENGTH_POS, length);
-
- /* log type */
- (logicalLogLocator.getBuffer()).put(logicalLogLocator.getMemoryOffset() + BEGIN_TYPE_POS, logType);
-
- /* log action type */
- (logicalLogLocator.getBuffer()).put(logicalLogLocator.getMemoryOffset() + BEGIN_ACTION_TYPE_POS, logActionType);
-
- /* timestamp */
- long timestamp = System.currentTimeMillis();
- (logicalLogLocator.getBuffer()).writeLong(logicalLogLocator.getMemoryOffset() + BEGIN_TIMESTAMP_POS, timestamp);
-
- /* transaction id */
- (logicalLogLocator.getBuffer()).writeLong(logicalLogLocator.getMemoryOffset() + BEGIN_TRANSACTION_ID_POS,
- context.getTransactionID());
-
- /* resource Mgr id */
- (logicalLogLocator.getBuffer()).put(logicalLogLocator.getMemoryOffset() + BEGIN_RESOURCE_MGR_ID_POS,
- resourceMgrId);
-
- /* page id */
- (logicalLogLocator.getBuffer()).writeLong(logicalLogLocator.getMemoryOffset() + BEGIN_PAGE_ID_POS, pageId);
-
- /* previous LSN's File Id by the transaction */
- (logicalLogLocator.getBuffer()).writeLong(logicalLogLocator.getMemoryOffset() + BEGIN_PREV_LSN_POS,
- prevLogicalLogLocator);
- }
-
- public void writeLogTail(LogicalLogLocator logicalLogLocator, ILogManager logManager) {
- (logicalLogLocator.getBuffer()).writeInt(logicalLogLocator.getMemoryOffset(),
- logManager.getLogManagerProperties().logMagicNumber);
+ builder.append(" LSN : ").append(logicalLogLocator.getLsn());
+ builder.append(" Log Type : ").append(logTypeDisplay);
+ builder.append(" Job Id : ").append(getJobId(logicalLogLocator));
+ builder.append(" Dataset Id : ").append(getDatasetId(logicalLogLocator));
+ builder.append(" PK Hash Value : ").append(getPKHashValue(logicalLogLocator));
+ if (logType == LogType.UPDATE) {
+ builder.append(" PrevLSN : ").append(getPrevLSN(logicalLogLocator).getLsn());
+ builder.append(" Resource Id : ").append(getResourceId(logicalLogLocator));
+ builder.append(" ResourceMgr Id : ").append(getResourceMgrId(logicalLogLocator));
+ builder.append(" Log Record Size : ").append(
+ getLogRecordSize(logType, getLogContentSize(logicalLogLocator)));
+ }
+ return builder.toString();
}
@Override
- public boolean validateLogRecord(LogManagerProperties logManagerProperties, LogicalLogLocator logicalLogLocator) {
- int logLength = this.getLogLength(logicalLogLocator);
+ public void writeLogHeader(LogicalLogLocator logicalLogLocator, byte logType, TransactionContext context,
+ int datasetId, int PKHashValue, long prevLogicalLogLocator, long resourceId, byte resourceMgrId,
+ int logRecordSize) {
+
+ /* magic no */
+ (logicalLogLocator.getBuffer()).writeInt(logicalLogLocator.getMemoryOffset() + MAGIC_NO_POS,
+ logManager.getLogManagerProperties().LOG_MAGIC_NUMBER);
+
+ /* log type */
+ (logicalLogLocator.getBuffer()).put(logicalLogLocator.getMemoryOffset() + LOG_TYPE_POS, logType);
+
+ /* jobId */
+ (logicalLogLocator.getBuffer()).writeInt(logicalLogLocator.getMemoryOffset() + JOB_ID_POS, context.getJobId()
+ .getId());
+
+ /* datasetId */
+ (logicalLogLocator.getBuffer()).writeInt(logicalLogLocator.getMemoryOffset() + DATASET_ID_POS, datasetId);
+
+ /* PK hash value */
+ (logicalLogLocator.getBuffer()).writeInt(logicalLogLocator.getMemoryOffset() + PK_HASH_VALUE_POS, PKHashValue);
+
+ if (logType == LogType.UPDATE) {
+ /* prevLSN */
+ (logicalLogLocator.getBuffer()).writeLong(logicalLogLocator.getMemoryOffset() + PREV_LSN_POS,
+ prevLogicalLogLocator);
+
+ /* resourceId */
+ (logicalLogLocator.getBuffer())
+ .writeLong(logicalLogLocator.getMemoryOffset() + RESOURCE_ID_POS, resourceId);
+
+ /* resourceMgr id */
+ (logicalLogLocator.getBuffer()).put(logicalLogLocator.getMemoryOffset() + RESOURCE_MGR_ID_POS,
+ resourceMgrId);
+
+ /* log record size */
+ (logicalLogLocator.getBuffer()).writeInt(logicalLogLocator.getMemoryOffset() + LOG_RECORD_SIZE_POS,
+ logRecordSize);
+
+ }
+ }
+
+ @Override
+ public boolean validateLogRecord(LogicalLogLocator logicalLogLocator) {
+ int logLength = this.getLogRecordSize(getLogType(logicalLogLocator), getLogContentSize(logicalLogLocator));
long expectedChecksum = DataUtil.getChecksum(logicalLogLocator.getBuffer(),
- logicalLogLocator.getMemoryOffset(), logLength - logManagerProperties.getLogChecksumSize());
- long actualChecksum = logicalLogLocator.getBuffer().readLong(
- logicalLogLocator.getMemoryOffset() + logLength - logManagerProperties.getLogChecksumSize());
+ logicalLogLocator.getMemoryOffset(), logLength - LOG_CHECKSUM_SIZE);
+ long actualChecksum = getLogChecksum(logicalLogLocator);
return expectedChecksum == actualChecksum;
}
+ /**
+ * @param logType
+ * @param logBodySize
+ * @return
+ */
+ @Override
+ public int getLogRecordSize(byte logType, int logBodySize) {
+ if (logType == LogType.UPDATE) {
+ return 46 + logBodySize;
+ } else {
+ return 25;
+ }
+ }
+
+ @Override
+ public int getLogHeaderSize(byte logType) {
+ if (logType == LogType.UPDATE) {
+ return 38;
+ } else {
+ return 17;
+ }
+ }
+
+ @Override
+ public int getLogChecksumSize() {
+ return LOG_CHECKSUM_SIZE;
+ }
}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogType.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogType.java
index 72b393d..96c6dba 100644
--- a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogType.java
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogType.java
@@ -18,8 +18,6 @@
public static final byte UPDATE = 0;
public static final byte COMMIT = 1;
- public static final byte CLR = 2;
- public static final byte BGN_CHPKT = 3;
- public static final byte END_CHPKT = 4;
+ public static final byte ENTITY_COMMIT = 2;
}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/TreeLogger.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/TreeLogger.java
deleted file mode 100644
index 3b923dd..0000000
--- a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/TreeLogger.java
+++ /dev/null
@@ -1,200 +0,0 @@
-/*
- * Copyright 2009-2011 by The Regents of the University of California
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * you may obtain a copy of the License from
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package edu.uci.ics.asterix.transaction.management.service.logging;
-
-import java.util.HashMap;
-import java.util.Map;
-import java.util.concurrent.ConcurrentHashMap;
-
-import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
-import edu.uci.ics.asterix.transaction.management.resource.ICloseable;
-import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionContext;
-import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionProvider;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
-import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOp;
-
-/**
- * Represents a utility class for generating log records corresponding to
- * operations on a ITreeIndex implementation. A TreeLogger instance is thread
- * safe and can be shared across multiple threads that may belong to same or
- * different transactions.
- */
-class TransactionState {
-
- private final Map<Long, TxnThreadState> transactionThreads = new HashMap<Long, TxnThreadState>();
-
- public synchronized TxnThreadState getTransactionThreadState(long threadId) {
- return transactionThreads.get(threadId);
- }
-
- public synchronized void putTransactionThreadState(long threadId, TxnThreadState txnThreadState) {
- this.transactionThreads.put(threadId, txnThreadState);
- }
-
- public synchronized void remove(long threadId) {
- transactionThreads.remove(threadId);
- }
-}
-
-/**
- * Represents the state of a transaction thread. The state contains information
- * that includes the tuple being operated, the operation and the location of the
- * log record corresponding to the operation.
- */
-class TxnThreadState {
-
- private ITupleReference tuple;
- private IndexOp indexOperation;
- private LogicalLogLocator logicalLogLocator;
-
- public TxnThreadState(LogicalLogLocator logicalLogLocator, IndexOp indexOperation, ITupleReference tupleReference) {
- this.tuple = tupleReference;
- this.indexOperation = indexOperation;
- this.logicalLogLocator = logicalLogLocator;
- }
-
- public synchronized ITupleReference getTuple() {
- return tuple;
- }
-
- public synchronized void setTuple(ITupleReference tuple) {
- this.tuple = tuple;
- }
-
- public synchronized IndexOp getIndexOperation() {
- return indexOperation;
- }
-
- public synchronized void setIndexOperation(IndexOp indexOperation) {
- this.indexOperation = indexOperation;
- }
-
- public synchronized LogicalLogLocator getLogicalLogLocator() {
- return logicalLogLocator;
- }
-
- public synchronized void setLogicalLogLocator(LogicalLogLocator logicalLogLocator) {
- this.logicalLogLocator = logicalLogLocator;
- }
-
-}
-
-public class TreeLogger implements ILogger, ICloseable {
-
- private static final byte resourceMgrId = TreeResourceManager.ID;
- private final Map<Object, Object> arguments = new ConcurrentHashMap<Object, Object>();
-
- public static final String TREE_INDEX = "TREE_INDEX";
- public static final String TUPLE_REFERENCE = "TUPLE_REFERENCE";
- public static final String TUPLE_WRITER = "TUPLE_WRITER";
- public static final String INDEX_OPERATION = "INDEX_OPERATION";
- public static final String RESOURCE_ID = "RESOURCE_ID";
-
- private final ITreeIndex treeIndex;
- private final ITreeIndexTupleWriter treeIndexTupleWriter;
- private final byte[] resourceIdBytes;
- private final byte[] resourceIdLengthBytes;
-
- public class BTreeOperationCodes {
- public static final byte INSERT = 0;
- public static final byte DELETE = 1;
- }
-
- public TreeLogger(byte[] resourceIdBytes, ITreeIndex treeIndex) {
- this.resourceIdBytes = resourceIdBytes;
- this.treeIndex = treeIndex;
- treeIndexTupleWriter = treeIndex.getLeafFrameFactory().getTupleWriterFactory().createTupleWriter();
- this.resourceIdLengthBytes = DataUtil.intToByteArray(resourceIdBytes.length);
- }
-
- public synchronized void close(TransactionContext context) {
- TransactionState txnState = (TransactionState) arguments.get(context.getTransactionID());
- txnState.remove(Thread.currentThread().getId());
- arguments.remove(context.getTransactionID());
- }
-
- public void generateLogRecord(TransactionProvider provider, TransactionContext context, IndexOp operation,
- ITupleReference tuple) throws ACIDException {
- context.addCloseableResource(this); // the close method would be called
- // on this TreeLogger instance at
- // the time of transaction
- // commit/abort.
- if (operation != IndexOp.INSERT && operation != IndexOp.DELETE) {
- throw new ACIDException("Loging for Operation " + operation + " not supported");
-
- }
-
- TxnThreadState txnThreadState = null;
- TransactionState txnState;
- txnState = (TransactionState) arguments.get(context.getTransactionID());
- if (txnState == null) {
- synchronized (context) { // threads belonging to different
- // transaction do not need to
- // synchronize amongst them.
- if (txnState == null) {
- txnState = new TransactionState();
- arguments.put(context.getTransactionID(), txnState);
- }
- }
- }
-
- txnThreadState = txnState.getTransactionThreadState(Thread.currentThread().getId());
- if (txnThreadState == null) {
- LogicalLogLocator logicalLogLocator = LogUtil.getDummyLogicalLogLocator(provider.getLogManager());
- txnThreadState = new TxnThreadState(logicalLogLocator, operation, tuple);
- txnState.putTransactionThreadState(Thread.currentThread().getId(), txnThreadState);
- }
- txnThreadState.setIndexOperation(operation);
- txnThreadState.setTuple(tuple);
- int tupleSize = treeIndexTupleWriter.bytesRequired(tuple);
- // Below 4 is for the int representing the length of resource id and 1
- // is for
- // the byte representing the operation
- int logContentLength = 4 + resourceIdBytes.length + 1 + tupleSize;
- provider.getLogManager().log(txnThreadState.getLogicalLogLocator(), context, resourceMgrId, 0L, LogType.UPDATE,
- LogActionType.REDO_UNDO, logContentLength, (ILogger) this, arguments);
- }
-
- @Override
- public void log(TransactionContext context, LogicalLogLocator logicalLogLocator, int logRecordSize,
- Map<Object, Object> loggerArguments) throws ACIDException {
- TransactionState txnState = (TransactionState) loggerArguments.get(context.getTransactionID());
- TxnThreadState state = (TxnThreadState) txnState.getTransactionThreadState(Thread.currentThread().getId());
- int count = 0;
- byte[] logBuffer = logicalLogLocator.getBuffer().getArray();
- System.arraycopy(resourceIdLengthBytes, 0, logBuffer, logicalLogLocator.getMemoryOffset(), 4);
- count += 4; // count is incremented by 4 because we wrote the length
- // that is an int and hence 4 bytes
- System.arraycopy(resourceIdBytes, 0, logBuffer, logicalLogLocator.getMemoryOffset() + count,
- resourceIdBytes.length);
- count += resourceIdBytes.length;
- logBuffer[logicalLogLocator.getMemoryOffset() + count] = (byte) state.getIndexOperation().ordinal();
- count += 1; // count is incremented by 1 to account for the byte
- // written.
- treeIndexTupleWriter.writeTuple(state.getTuple(), logicalLogLocator.getBuffer().getArray(),
- logicalLogLocator.getMemoryOffset() + count);
- }
-
- @Override
- public void postLog(TransactionContext context, Map<Object, Object> loggerArguments) throws ACIDException {
- }
-
- @Override
- public void preLog(TransactionContext context, Map<Object, Object> loggerArguments) throws ACIDException {
- }
-
-}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/TreeLoggerRepository.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/TreeLoggerRepository.java
deleted file mode 100644
index 34e1466..0000000
--- a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/TreeLoggerRepository.java
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * Copyright 2009-2011 by The Regents of the University of California
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * you may obtain a copy of the License from
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package edu.uci.ics.asterix.transaction.management.service.logging;
-
-import java.nio.ByteBuffer;
-import java.util.HashMap;
-import java.util.Map;
-
-import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-
-public class TreeLoggerRepository {
-
- private final Map<ByteBuffer, TreeLogger> loggers = new HashMap<ByteBuffer, TreeLogger>();
- private final TransactionProvider provider;
-
- public TreeLoggerRepository(TransactionProvider provider) {
- this.provider = provider;
- }
-
- public synchronized TreeLogger getTreeLogger(byte[] resourceIdBytes) {
- ByteBuffer resourceId = ByteBuffer.wrap(resourceIdBytes);
- TreeLogger logger = loggers.get(resourceId);
- if (logger == null) {
- ITreeIndex treeIndex = (ITreeIndex) provider.getTransactionalResourceRepository().getTransactionalResource(
- resourceIdBytes);
- logger = new TreeLogger(resourceIdBytes, treeIndex);
- loggers.put(resourceId, logger);
- }
- return logger;
- }
-}
\ No newline at end of file
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/TreeResourceManager.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/TreeResourceManager.java
deleted file mode 100644
index 7c6d05a..0000000
--- a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/TreeResourceManager.java
+++ /dev/null
@@ -1,80 +0,0 @@
-/*
- * Copyright 2009-2011 by The Regents of the University of California
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * you may obtain a copy of the License from
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package edu.uci.ics.asterix.transaction.management.service.logging;
-
-import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
-import edu.uci.ics.asterix.transaction.management.service.transaction.IResourceManager;
-import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionProvider;
-import edu.uci.ics.hyracks.storage.am.common.api.IIndexAccessor;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
-import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleReference;
-
-public class TreeResourceManager implements IResourceManager {
-
- public static final byte ID = (byte) 1;
-
- private final TransactionProvider provider;
-
- public TreeResourceManager(TransactionProvider provider) {
- this.provider = provider;
- }
-
- public byte getResourceManagerId() {
- return ID;
- }
-
- public void undo(ILogRecordHelper logRecordHelper, LogicalLogLocator logLocator) throws ACIDException {
-
- int logContentBeginPos = logRecordHelper.getLogContentBeginPos(logLocator);
- byte[] logBufferContent = logLocator.getBuffer().getArray();
- // read the length of resource id byte array
- int resourceIdLength = DataUtil.byteArrayToInt(logBufferContent, logContentBeginPos);
- byte[] resourceIdBytes = new byte[resourceIdLength];
-
- // copy the resource if bytes
- System.arraycopy(logBufferContent, logContentBeginPos + 4, resourceIdBytes, 0, resourceIdLength);
-
- // look up the repository to obtain the resource object
- ITreeIndex treeIndex = (ITreeIndex) provider.getTransactionalResourceRepository().getTransactionalResource(
- resourceIdBytes);
- int operationOffset = logContentBeginPos + 4 + resourceIdLength;
- int tupleBeginPos = operationOffset + 1;
-
- ITreeIndexTupleReference tupleReference = treeIndex.getLeafFrameFactory().getTupleWriterFactory()
- .createTupleWriter().createTupleReference();
- // TODO: remove this call.
- tupleReference.setFieldCount(tupleReference.getFieldCount());
- tupleReference.resetByTupleOffset(logLocator.getBuffer().getByteBuffer(), tupleBeginPos);
- byte operation = logBufferContent[operationOffset];
- IIndexAccessor treeIndexAccessor = treeIndex.createAccessor();
- try {
- switch (operation) {
- case TreeLogger.BTreeOperationCodes.INSERT:
- treeIndexAccessor.delete(tupleReference);
- break;
- case TreeLogger.BTreeOperationCodes.DELETE:
- treeIndexAccessor.insert(tupleReference);
- break;
- }
- } catch (Exception e) {
- throw new ACIDException(" could not rollback ", e);
- }
- }
-
- public void redo(ILogRecordHelper logRecordHelper, LogicalLogLocator logicalLogLocator) throws ACIDException {
- throw new UnsupportedOperationException(" Redo logic will be implemented as part of crash recovery feature");
- }
-
-}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/recovery/CheckpointObject.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/recovery/CheckpointObject.java
new file mode 100644
index 0000000..f4bb73a
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/recovery/CheckpointObject.java
@@ -0,0 +1,54 @@
+package edu.uci.ics.asterix.transaction.management.service.recovery;
+
+import java.io.Serializable;
+
+public class CheckpointObject implements Serializable, Comparable<CheckpointObject> {
+
+ private static final long serialVersionUID = 1L;
+
+ private final long checkpointLSN;
+ private final long minMCTFirstLSN;
+ private final int maxJobId;
+ private final long timeStamp;
+
+ public CheckpointObject(long checkpointLSN, long minMCTFirstLSN, int maxJobId, long timeStamp) {
+ this.checkpointLSN = checkpointLSN;
+ this.minMCTFirstLSN = minMCTFirstLSN;
+ this.maxJobId = maxJobId;
+ this.timeStamp = timeStamp;
+ }
+
+ public long getCheckpointLSN() {
+ return checkpointLSN;
+ }
+
+ public long getMinMCTFirstLSN() {
+ return minMCTFirstLSN;
+ }
+
+ public int getMaxJobId() {
+ return maxJobId;
+ }
+
+ public long getTimeStamp() {
+ return timeStamp;
+ }
+
+ @Override
+ public int compareTo(CheckpointObject checkpointObject) {
+ long compareTimeStamp = checkpointObject.getTimeStamp();
+
+ //decending order
+ long diff = compareTimeStamp - this.timeStamp;
+ if (diff > 0) {
+ return 1;
+ } else if (diff == 0){
+ return 0;
+ } else {
+ return -1;
+ }
+
+ //ascending order
+ //return this.timeStamp - compareTimeStamp;
+ }
+}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/recovery/CheckpointThread.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/recovery/CheckpointThread.java
new file mode 100644
index 0000000..3eb87bc
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/recovery/CheckpointThread.java
@@ -0,0 +1,66 @@
+package edu.uci.ics.asterix.transaction.management.service.recovery;
+
+import java.util.List;
+
+import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
+import edu.uci.ics.asterix.transaction.management.opcallbacks.IndexOperationTracker;
+import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
+import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManager;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndex;
+
+public class CheckpointThread extends Thread {
+
+ private static final long LSN_THRESHOLD = 64 * 1024 * 1024;
+ private long checkpointTermInSecs = 120; //seconds.
+
+ private long lastMinMCTFirstLSN = 0;
+
+ private final IRecoveryManager recoveryMgr;
+ private final IIndexLifecycleManager indexLifecycleManager;
+
+ public CheckpointThread(IRecoveryManager recoveryMgr, IIndexLifecycleManager indexLifecycleManager,
+ long checkpointTermInSecs) {
+ this.recoveryMgr = recoveryMgr;
+ this.indexLifecycleManager = indexLifecycleManager;
+ if (this.checkpointTermInSecs < checkpointTermInSecs) {
+ this.checkpointTermInSecs = checkpointTermInSecs;
+ }
+ }
+
+ @Override
+ public void run() {
+ long currentMinMCTFirstLSN = 0;
+ while (true) {
+ try {
+ sleep(checkpointTermInSecs * 1000);
+ } catch (InterruptedException e) {
+ //ignore
+ }
+
+ currentMinMCTFirstLSN = getMinMCTFirstLSN();
+ if (currentMinMCTFirstLSN - lastMinMCTFirstLSN > LSN_THRESHOLD) {
+ try {
+ recoveryMgr.checkpoint(false);
+ lastMinMCTFirstLSN = currentMinMCTFirstLSN;
+ } catch (ACIDException e) {
+ throw new Error("failed to checkpoint", e);
+ }
+ }
+ }
+ }
+
+ private long getMinMCTFirstLSN() {
+ List<IIndex> openIndexList = indexLifecycleManager.getOpenIndexes();
+ long minMCTFirstLSN = Long.MAX_VALUE;
+ long firstLSN;
+ if (openIndexList.size() > 0) {
+ for (IIndex index : openIndexList) {
+ firstLSN = ((IndexOperationTracker) ((ILSMIndex) index).getOperationTracker()).getFirstLSN();
+ minMCTFirstLSN = Math.min(minMCTFirstLSN, firstLSN);
+ }
+ } else {
+ minMCTFirstLSN = -1;
+ }
+ return minMCTFirstLSN;
+ }
+}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/recovery/IAsterixAppRuntimeContextProvider.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/recovery/IAsterixAppRuntimeContextProvider.java
new file mode 100644
index 0000000..3ae7da8
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/recovery/IAsterixAppRuntimeContextProvider.java
@@ -0,0 +1,48 @@
+package edu.uci.ics.asterix.transaction.management.service.recovery;
+
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionSubsystem;
+import edu.uci.ics.hyracks.api.io.IIOManager;
+import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManager;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackProvider;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerFactory;
+import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
+import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+import edu.uci.ics.hyracks.storage.common.file.ILocalResourceRepository;
+import edu.uci.ics.hyracks.storage.common.file.ResourceIdFactory;
+
+public interface IAsterixAppRuntimeContextProvider {
+
+ public IBufferCache getBufferCache();
+
+ public IFileMapProvider getFileMapManager();
+
+ public TransactionSubsystem getTransactionSubsystem();
+
+ public IIndexLifecycleManager getIndexLifecycleManager();
+
+ public ILSMMergePolicy getLSMMergePolicy();
+
+ public ILSMOperationTrackerFactory getLSMBTreeOperationTrackerFactory();
+
+ public ILSMOperationTrackerFactory getLSMRTreeOperationTrackerFactory();
+
+ public ILSMOperationTrackerFactory getLSMInvertedIndexOperationTrackerFactory();
+
+ public ILSMIOOperationCallbackProvider getLSMBTreeIOOperationCallbackProvider();
+
+ public ILSMIOOperationCallbackProvider getLSMRTreeIOOperationCallbackProvider();
+
+ public ILSMIOOperationCallbackProvider getLSMInvertedIndexIOOperationCallbackProvider();
+
+ public ILSMIOOperationCallbackProvider getNoOpIOOperationCallbackProvider();
+
+ public ILSMIOOperationScheduler getLSMIOScheduler();
+
+ public ILocalResourceRepository getLocalResourceRepository();
+
+ public ResourceIdFactory getResourceIdFactory();
+
+ public IIOManager getIOManager();
+}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/recovery/IRecoveryManager.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/recovery/IRecoveryManager.java
index 2e0fd47..ed77629 100644
--- a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/recovery/IRecoveryManager.java
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/recovery/IRecoveryManager.java
@@ -57,7 +57,7 @@
* recovery.
* @throws ACIDException
*/
- public SystemState startRecovery(boolean synchronous) throws IOException, ACIDException;
+ public void startRecovery(boolean synchronous) throws IOException, ACIDException;
/**
* Rolls back a transaction.
@@ -67,4 +67,6 @@
* @throws ACIDException
*/
public void rollbackTransaction(TransactionContext txnContext) throws ACIDException;
+
+ public void checkpoint(boolean isSharpCheckpoint) throws ACIDException;
}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/recovery/RecoveryManager.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/recovery/RecoveryManager.java
index 9c78b95..8aae6b1 100644
--- a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/recovery/RecoveryManager.java
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/recovery/RecoveryManager.java
@@ -14,36 +14,67 @@
*/
package edu.uci.ics.asterix.transaction.management.service.recovery;
-import java.io.BufferedReader;
-import java.io.BufferedWriter;
import java.io.File;
-import java.io.FileReader;
-import java.io.FileWriter;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.FilenameFilter;
import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.util.ArrayList;
+import java.util.Collections;
import java.util.HashMap;
+import java.util.Iterator;
+import java.util.LinkedList;
import java.util.List;
import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
-import edu.uci.ics.asterix.transaction.management.resource.TransactionalResourceRepository;
-import edu.uci.ics.asterix.transaction.management.service.logging.FileUtil;
+import edu.uci.ics.asterix.transaction.management.opcallbacks.IndexOperationTracker;
+import edu.uci.ics.asterix.transaction.management.resource.ILocalResourceMetadata;
import edu.uci.ics.asterix.transaction.management.service.logging.IBuffer;
import edu.uci.ics.asterix.transaction.management.service.logging.ILogCursor;
import edu.uci.ics.asterix.transaction.management.service.logging.ILogFilter;
import edu.uci.ics.asterix.transaction.management.service.logging.ILogManager;
import edu.uci.ics.asterix.transaction.management.service.logging.ILogRecordHelper;
-import edu.uci.ics.asterix.transaction.management.service.logging.LogActionType;
-import edu.uci.ics.asterix.transaction.management.service.logging.LogRecordHelper;
+import edu.uci.ics.asterix.transaction.management.service.logging.IndexResourceManager;
+import edu.uci.ics.asterix.transaction.management.service.logging.LogManager;
import edu.uci.ics.asterix.transaction.management.service.logging.LogType;
import edu.uci.ics.asterix.transaction.management.service.logging.LogUtil;
import edu.uci.ics.asterix.transaction.management.service.logging.LogicalLogLocator;
import edu.uci.ics.asterix.transaction.management.service.logging.PhysicalLogLocator;
import edu.uci.ics.asterix.transaction.management.service.transaction.IResourceManager;
+import edu.uci.ics.asterix.transaction.management.service.transaction.IResourceManager.ResourceType;
+import edu.uci.ics.asterix.transaction.management.service.transaction.JobIdFactory;
import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionContext;
import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionManagementConstants;
-import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionProvider;
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionManager;
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionSubsystem;
+import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
+import edu.uci.ics.hyracks.storage.am.common.api.IIndex;
+import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManager;
+import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
+import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexMetaDataFrame;
+import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
+import edu.uci.ics.hyracks.storage.am.lsm.btree.impls.LSMBTreeImmutableComponent;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndex;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexAccessor;
+import edu.uci.ics.hyracks.storage.am.lsm.common.impls.BlockingIOOperationCallbackWrapper;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.impls.LSMInvertedIndexImmutableComponent;
+import edu.uci.ics.hyracks.storage.am.lsm.rtree.impls.LSMRTreeImmutableComponent;
+import edu.uci.ics.hyracks.storage.am.rtree.impls.RTree;
+import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
+import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
+import edu.uci.ics.hyracks.storage.common.file.BufferedFileHandle;
+import edu.uci.ics.hyracks.storage.common.file.ILocalResourceRepository;
+import edu.uci.ics.hyracks.storage.common.file.LocalResource;
/**
* This is the Recovery Manager and is responsible for rolling back a
@@ -53,208 +84,695 @@
*/
public class RecoveryManager implements IRecoveryManager {
+ public static final boolean IS_DEBUG_MODE = false;//true
private static final Logger LOGGER = Logger.getLogger(RecoveryManager.class.getName());
- private TransactionProvider transactionProvider;
+ private final TransactionSubsystem txnSubsystem;
/**
* A file at a known location that contains the LSN of the last log record
* traversed doing a successful checkpoint.
*/
- private static final String checkpoint_record_file = "last_checkpoint_lsn";
+ private static final String CHECKPOINT_FILENAME_PREFIX = "checkpoint_";
private SystemState state;
- private Map<Long, TransactionTableEntry> transactionTable;
- private Map<Long, List<PhysicalLogLocator>> dirtyPagesTable;
- public RecoveryManager(TransactionProvider TransactionProvider) throws ACIDException {
- this.transactionProvider = TransactionProvider;
- try {
- FileUtil.createFileIfNotExists(checkpoint_record_file);
- } catch (IOException ioe) {
- throw new ACIDException(" unable to create checkpoint record file " + checkpoint_record_file, ioe);
- }
+ public RecoveryManager(TransactionSubsystem TransactionProvider) throws ACIDException {
+ this.txnSubsystem = TransactionProvider;
}
+ /**
+ * returns system state which could be one of the three states: HEALTHY, RECOVERING, CORRUPTED.
+ * This state information could be used in a case where more than one thread is running
+ * in the bootstrap process to provide higher availability. In other words, while the system
+ * is recovered, another thread may start a new transaction with understanding the side effect
+ * of the operation, or the system can be recovered concurrently. This kind of concurrency is
+ * not supported, yet.
+ */
public SystemState getSystemState() throws ACIDException {
- return state;
- }
- private PhysicalLogLocator getBeginRecoveryLSN() throws ACIDException {
- return new PhysicalLogLocator(0, transactionProvider.getLogManager());
- }
-
- /**
- * TODO:This method is currently not implemented completely.
- */
- public SystemState startRecovery(boolean synchronous) throws IOException, ACIDException {
- ILogManager logManager = transactionProvider.getLogManager();
- state = SystemState.RECOVERING;
- transactionTable = new HashMap<Long, TransactionTableEntry>();
- dirtyPagesTable = new HashMap<Long, List<PhysicalLogLocator>>();
-
- PhysicalLogLocator beginLSN = getBeginRecoveryLSN();
- ILogCursor cursor = logManager.readLog(beginLSN, new ILogFilter() {
- public boolean accept(IBuffer logs, long startOffset, int endOffset) {
- return true;
- }
- });
- LogicalLogLocator memLSN = new LogicalLogLocator(beginLSN.getLsn(), null, -1, logManager);
- boolean logValidity = true;
- LogRecordHelper parser = new LogRecordHelper(logManager);
+ //#. read checkpoint file
+ CheckpointObject checkpointObject = null;
try {
- while (logValidity) {
- logValidity = cursor.next(memLSN);
- if (!logValidity) {
- if (LOGGER.isLoggable(Level.INFO)) {
- LOGGER.info("reached end of log !");
- }
- break;
- }
- byte resourceMgrId = parser.getResourceMgrId(memLSN);
- IResourceManager resourceMgr = transactionProvider.getTransactionalResourceRepository()
- .getTransactionalResourceMgr(resourceMgrId);
- if (resourceMgr == null) {
- throw new ACIDException("unknown resource mgr with id " + resourceMgrId);
- } else {
- byte actionType = parser.getLogActionType(memLSN);
- switch (actionType) {
- case LogActionType.REDO:
- resourceMgr.redo(parser, memLSN);
- break;
- case LogActionType.UNDO: /* skip these records */
- break;
- default: /* do nothing */
- }
- }
- writeCheckpointRecord(memLSN.getLsn());
- }
+ checkpointObject = readCheckpoint();
+ } catch (FileNotFoundException e) {
+ //This is initial bootstrap.
+ //Otherwise, the checkpoint file is deleted unfortunately. What we can do in this case?
state = SystemState.HEALTHY;
- } catch (Exception e) {
+ return state;
+ }
+
+ //#. if minMCTFirstLSN is equal to -1 &&
+ // checkpointLSN in the checkpoint file is equal to the lastLSN in the log file,
+ // then return healthy state. Otherwise, return corrupted.
+ LogManager logMgr = (LogManager) txnSubsystem.getLogManager();
+ if (checkpointObject.getMinMCTFirstLSN() == -1
+ && checkpointObject.getCheckpointLSN() == logMgr.getCurrentLsn().get()) {
+ state = SystemState.HEALTHY;
+ return state;
+ } else {
state = SystemState.CORRUPTED;
- throw new ACIDException(" could not recover , corrputed log !", e);
- }
- return state;
- }
-
- private void writeCheckpointRecord(long lsn) throws ACIDException {
- try {
- FileWriter writer = new FileWriter(new File(checkpoint_record_file));
- BufferedWriter buffWriter = new BufferedWriter(writer);
- buffWriter.write("" + lsn);
- buffWriter.flush();
- } catch (IOException ioe) {
- throw new ACIDException(" unable to create check point record", ioe);
+ return state;
}
}
- /*
- * Currently this method is not used, but will be used as part of crash
- * recovery logic.
- */
- private long getLastCheckpointRecordLSN() throws Exception {
- FileReader reader;
- BufferedReader buffReader;
- String content = null;
- reader = new FileReader(new File(checkpoint_record_file));
- buffReader = new BufferedReader(reader);
- content = buffReader.readLine();
- if (content != null) {
- return Long.parseLong(content);
- }
- return -1;
- }
+ public void startRecovery(boolean synchronous) throws IOException, ACIDException {
- /**
- * Rollback a transaction (non-Javadoc)
- *
- * @see edu.uci.ics.transaction.management.service.recovery.IRecoveryManager# rollbackTransaction (edu.uci.ics.transaction.management.service.transaction .TransactionContext)
- */
- @Override
- public void rollbackTransaction(TransactionContext txnContext) throws ACIDException {
- ILogManager logManager = transactionProvider.getLogManager();
- ILogRecordHelper parser = logManager.getLogRecordHelper();
+ state = SystemState.RECOVERING;
- // Obtain the last log record written by the transaction
- PhysicalLogLocator lsn = txnContext.getLastLogLocator();
- if (LOGGER.isLoggable(Level.INFO)) {
- LOGGER.info(" rollbacking transaction log records at lsn " + lsn.getLsn());
- }
+ ILogManager logManager = txnSubsystem.getLogManager();
+ ILogRecordHelper logRecordHelper = logManager.getLogRecordHelper();
- // check if the transaction actually wrote some logs.
- if (lsn.getLsn() == TransactionManagementConstants.LogManagerConstants.TERMINAL_LSN) {
- if (LOGGER.isLoggable(Level.INFO)) {
- LOGGER.info(" no need to roll back as there were no operations by the transaction "
- + txnContext.getTransactionID());
- }
- return;
- }
+ //winnerTxnTable is used to add pairs, <committed TxnId, the most recent commit LSN of the TxnId>
+ Map<TxnId, Long> winnerTxnTable = new HashMap<TxnId, Long>();
+ TxnId tempKeyTxnId = new TxnId(-1, -1, -1);
+ byte logType;
- // a dummy logLocator instance that is re-used during rollback
- LogicalLogLocator logLocator = LogUtil.getDummyLogicalLogLocator(logManager);
+ //#. read checkpoint file and set lowWaterMark where anaylsis and redo start
+ CheckpointObject checkpointObject = readCheckpoint();
+ long lowWaterMarkLSN = checkpointObject.getMinMCTFirstLSN();
+ int maxJobId = checkpointObject.getMaxJobId();
+ int currentJobId;
- while (true) {
- try {
- // read the log record at the given position
- logLocator = logManager.readLog(lsn);
- } catch (Exception e) {
- e.printStackTrace();
- state = SystemState.CORRUPTED;
- throw new ACIDException(" could not read log at lsn :" + lsn, e);
+ //-------------------------------------------------------------------------
+ // [ analysis phase ]
+ // - collect all committed LSN
+ // - if there are duplicate commits for the same TxnId,
+ // keep only the mostRecentCommitLSN among the duplicates.
+ //-------------------------------------------------------------------------
+
+ //#. set log cursor to the lowWaterMarkLSN
+ ILogCursor logCursor = logManager.readLog(new PhysicalLogLocator(lowWaterMarkLSN, logManager),
+ new ILogFilter() {
+ public boolean accept(IBuffer logs, long startOffset, int endOffset) {
+ return true;
+ }
+ });
+ LogicalLogLocator currentLogLocator = LogUtil.getDummyLogicalLogLocator(logManager);
+
+ //#. collect all committed txn's pairs,<TxnId, LSN>
+ while (logCursor.next(currentLogLocator)) {
+
+ if (LogManager.IS_DEBUG_MODE) {
+ System.out.println(logManager.getLogRecordHelper().getLogRecordForDisplay(currentLogLocator));
}
- byte logType = parser.getLogType(logLocator);
- if (LOGGER.isLoggable(Level.FINE)) {
- LOGGER.fine(" reading LSN value inside rollback transaction method " + txnContext.getLastLogLocator()
- + " txn id " + parser.getLogTransactionId(logLocator) + " log type " + logType);
+ logType = logRecordHelper.getLogType(currentLogLocator);
+
+ //update max jobId
+ currentJobId = logRecordHelper.getJobId(currentLogLocator);
+ if (currentJobId > maxJobId) {
+ maxJobId = currentJobId;
}
switch (logType) {
case LogType.UPDATE:
-
- // extract the resource manager id from the log record.
- byte resourceMgrId = parser.getResourceMgrId(logLocator);
- if (LOGGER.isLoggable(Level.FINE)) {
- LOGGER.fine(parser.getLogRecordForDisplay(logLocator));
- }
-
- // look up the repository to get the resource manager
- IResourceManager resourceMgr = transactionProvider.getTransactionalResourceRepository()
- .getTransactionalResourceMgr(resourceMgrId);
- if (resourceMgr == null) {
- throw new ACIDException(txnContext, " unknown resource manager " + resourceMgrId);
- } else {
- byte actionType = parser.getLogActionType(logLocator);
- switch (actionType) {
- case LogActionType.REDO: // no need to do anything
- break;
- case LogActionType.UNDO: // undo the log record
- resourceMgr.undo(parser, logLocator);
- break;
- case LogActionType.REDO_UNDO: // undo log record
- resourceMgr.undo(parser, logLocator);
- break;
- default:
- }
- }
- case LogType.CLR: // skip the CLRs as they are not undone
+ //do nothing
break;
+
case LogType.COMMIT:
- throw new ACIDException(txnContext, " cannot rollback commmitted transaction");
+ case LogType.ENTITY_COMMIT:
+ tempKeyTxnId.setTxnId(logRecordHelper.getJobId(currentLogLocator),
+ logRecordHelper.getDatasetId(currentLogLocator),
+ logRecordHelper.getPKHashValue(currentLogLocator));
+ winnerTxnTable.put(tempKeyTxnId, currentLogLocator.getLsn());
+ break;
- }
-
- // follow the previous LSN pointer to get the previous log record
- // written by the transaction
- // If the return value is true, the logLocator, it indicates that
- // the logLocator object has been
- // appropriately set to the location of the next log record to be
- // processed as part of the roll back
- boolean moreLogs = parser.getPreviousLsnByTransaction(lsn, logLocator);
- if (!moreLogs) {
- // no more logs to process
- break;
+ default:
+ throw new ACIDException("Unsupported LogType: " + logType);
}
}
+ //-------------------------------------------------------------------------
+ // [ redo phase ]
+ // - redo if
+ // 1) The TxnId is committed --> gurantee durability
+ // &&
+ // 2) the currentLSN > maxDiskLastLSN of the index --> guarantee idempotance
+ //-------------------------------------------------------------------------
+
+ //#. set log cursor to the lowWaterMarkLSN again.
+ logCursor = logManager.readLog(new PhysicalLogLocator(lowWaterMarkLSN, logManager), new ILogFilter() {
+ public boolean accept(IBuffer logs, long startOffset, int endOffset) {
+ return true;
+ }
+ });
+ currentLogLocator = LogUtil.getDummyLogicalLogLocator(logManager);
+
+ long resourceId;
+ byte resourceMgrId;
+ long maxDiskLastLSN;
+ long currentLSN;
+ int resourceType;
+ ILSMIndex index = null;
+ LocalResource localResource = null;
+ ILocalResourceMetadata localResourceMetadata = null;
+ Map<Long, Long> resourceId2MaxLSNMap = new HashMap<Long, Long>();
+ List<ILSMComponent> immutableDiskIndexList = null;
+
+ //#. get indexLifeCycleManager
+ IAsterixAppRuntimeContextProvider appRuntimeContext = txnSubsystem.getAsterixAppRuntimeContextProvider();
+ IIndexLifecycleManager indexLifecycleManager = appRuntimeContext.getIndexLifecycleManager();
+ ILocalResourceRepository localResourceRepository = appRuntimeContext.getLocalResourceRepository();
+
+ //#. redo
+ while (logCursor.next(currentLogLocator)) {
+
+ if (LogManager.IS_DEBUG_MODE) {
+ System.out.println(logManager.getLogRecordHelper().getLogRecordForDisplay(currentLogLocator));
+ }
+
+ logType = logRecordHelper.getLogType(currentLogLocator);
+
+ switch (logType) {
+ case LogType.UPDATE:
+ tempKeyTxnId.setTxnId(logRecordHelper.getJobId(currentLogLocator),
+ logRecordHelper.getDatasetId(currentLogLocator),
+ logRecordHelper.getPKHashValue(currentLogLocator));
+
+ if (winnerTxnTable.containsKey(tempKeyTxnId)) {
+ currentLSN = winnerTxnTable.get(tempKeyTxnId);
+ resourceId = logRecordHelper.getResourceId(currentLogLocator);
+ localResource = localResourceRepository.getResourceById(resourceId);
+
+ //get index instance from IndexLifeCycleManager
+ //if index is not registered into IndexLifeCycleManager,
+ //create the index using LocalMetadata stored in LocalResourceRepository
+ index = (ILSMIndex) indexLifecycleManager.getIndex(resourceId);
+ if (index == null) {
+
+ /*******************************************************************
+ * [Notice]
+ * -> Issue
+ * Delete index may cause a problem during redo.
+ * The index operation to be redone couldn't be redone because the corresponding index
+ * may not exist in NC due to the possible index drop DDL operation.
+ * -> Approach
+ * Avoid the problem during redo.
+ * More specifically, the problem will be detected when the localResource of
+ * the corresponding index is retrieved, which will end up with 'null' return from
+ * localResourceRepository. If null is returned, then just go and process the next
+ * log record.
+ *******************************************************************/
+ if (localResource == null) {
+ continue;
+ }
+ /*******************************************************************/
+
+ //#. create index instance and register to indexLifeCycleManager
+ localResourceMetadata = (ILocalResourceMetadata) localResource.getResourceObject();
+ index = localResourceMetadata.createIndexInstance(appRuntimeContext,
+ localResource.getResourceName(), localResource.getPartition());
+ indexLifecycleManager.register(resourceId, index);
+ indexLifecycleManager.open(resourceId);
+
+ //#. get maxDiskLastLSN
+ resourceType = localResource.getResourceType();
+ immutableDiskIndexList = index.getImmutableComponents();
+
+ maxDiskLastLSN = -1;
+ switch (resourceType) {
+
+ case ResourceType.LSM_BTREE:
+ for (ILSMComponent c : immutableDiskIndexList) {
+ BTree btree = ((LSMBTreeImmutableComponent) c).getBTree();
+ maxDiskLastLSN = Math.max(getTreeIndexLSN(btree), maxDiskLastLSN);
+ }
+ break;
+
+ case ResourceType.LSM_RTREE:
+ for (ILSMComponent c : immutableDiskIndexList) {
+ RTree rtree = ((LSMRTreeImmutableComponent) c).getRTree();
+ maxDiskLastLSN = Math.max(getTreeIndexLSN(rtree), maxDiskLastLSN);
+ }
+ break;
+
+ case ResourceType.LSM_INVERTED_INDEX:
+ for (ILSMComponent c : immutableDiskIndexList) {
+ BTree delKeyBtree = ((LSMInvertedIndexImmutableComponent) c)
+ .getDeletedKeysBTree();
+ maxDiskLastLSN = Math.max(getTreeIndexLSN(delKeyBtree), maxDiskLastLSN);
+ }
+ break;
+
+ default:
+ throw new ACIDException("Unsupported resouce type");
+ }
+
+ //#. set resourceId and maxDiskLastLSN to the map
+ resourceId2MaxLSNMap.put(resourceId, maxDiskLastLSN);
+ } else {
+ maxDiskLastLSN = resourceId2MaxLSNMap.get(resourceId);
+ }
+
+ if (currentLSN > maxDiskLastLSN) {
+ resourceMgrId = logRecordHelper.getResourceMgrId(currentLogLocator);
+
+ // look up the repository to get the resource manager
+ // register resourceMgr if it is not registered.
+ IResourceManager resourceMgr = txnSubsystem.getTransactionalResourceRepository()
+ .getTransactionalResourceMgr(resourceMgrId);
+ if (resourceMgr == null) {
+ resourceMgr = new IndexResourceManager(resourceMgrId, txnSubsystem);
+ txnSubsystem.getTransactionalResourceRepository().registerTransactionalResourceManager(
+ resourceMgrId, resourceMgr);
+ }
+
+ //redo finally.
+ resourceMgr.redo(logRecordHelper, currentLogLocator);
+ }
+ }
+ break;
+
+ case LogType.COMMIT:
+ case LogType.ENTITY_COMMIT:
+ //do nothing
+ break;
+
+ default:
+ throw new ACIDException("Unsupported LogType: " + logType);
+ }
+ }
+
+ //close all indexes
+ Set<Long> resourceIdList = resourceId2MaxLSNMap.keySet();
+ for (long r : resourceIdList) {
+ indexLifecycleManager.close(r);
+ }
+
+ JobIdFactory.initJobId(maxJobId);
}
+ //TODO
+ //This function came from the AbstractLSMIOOperationCallback class.
+ //We'd better factor out this function into a component of reading/writing the local metadata of indexes.
+ private long getTreeIndexLSN(ITreeIndex treeIndex) throws HyracksDataException {
+ int fileId = treeIndex.getFileId();
+ IBufferCache bufferCache = treeIndex.getBufferCache();
+ ITreeIndexMetaDataFrame metadataFrame = treeIndex.getFreePageManager().getMetaDataFrameFactory().createFrame();
+ int metadataPageId = treeIndex.getFreePageManager().getFirstMetadataPage();
+ ICachedPage metadataPage = bufferCache.pin(BufferedFileHandle.getDiskPageId(fileId, metadataPageId), false);
+ metadataPage.acquireReadLatch();
+ try {
+ metadataFrame.setPage(metadataPage);
+ return metadataFrame.getLSN();
+ } finally {
+ metadataPage.releaseReadLatch();
+ bufferCache.unpin(metadataPage);
+ }
+ }
+
+ @Override
+ public synchronized void checkpoint(boolean isSharpCheckpoint) throws ACIDException {
+
+ LogManager logMgr = (LogManager) txnSubsystem.getLogManager();
+ TransactionManager txnMgr = (TransactionManager) txnSubsystem.getTransactionManager();
+ String logDir = logMgr.getLogManagerProperties().getLogDir();
+
+ //#. get the filename of the previous checkpoint files which are about to be deleted
+ // right after the new checkpoint file is written.
+ File[] prevCheckpointFiles = getPreviousCheckpointFiles();
+
+ IIndexLifecycleManager indexLifecycleManager = txnSubsystem.getAsterixAppRuntimeContextProvider()
+ .getIndexLifecycleManager();
+ List<IIndex> openIndexList = indexLifecycleManager.getOpenIndexes();
+ List<BlockingIOOperationCallbackWrapper> callbackList = new LinkedList<BlockingIOOperationCallbackWrapper>();
+
+ //#. flush all in-memory components if it is the sharp checkpoint
+ if (isSharpCheckpoint) {
+ for (IIndex index : openIndexList) {
+ ILSMIndex lsmIndex = (ILSMIndex) index;
+ ILSMIndexAccessor indexAccessor = lsmIndex.createAccessor(NoOpOperationCallback.INSTANCE,
+ NoOpOperationCallback.INSTANCE);
+ IndexOperationTracker indexOpTracker = (IndexOperationTracker) lsmIndex.getOperationTracker();
+ BlockingIOOperationCallbackWrapper cb = new BlockingIOOperationCallbackWrapper(
+ indexOpTracker.getIOOperationCallback());
+ callbackList.add(cb);
+ try {
+ indexAccessor.scheduleFlush(cb);
+ } catch (HyracksDataException e) {
+ throw new ACIDException(e);
+ }
+ }
+
+ for (BlockingIOOperationCallbackWrapper cb : callbackList) {
+ try {
+ cb.waitForIO();
+ } catch (InterruptedException e) {
+ throw new ACIDException(e);
+ }
+ }
+ }
+
+ //#. create and store the checkpointObject into the new checkpoint file
+ long minMCTFirstLSN = Long.MAX_VALUE;
+ long firstLSN;
+ if (openIndexList.size() > 0) {
+ for (IIndex index : openIndexList) {
+ firstLSN = ((IndexOperationTracker) ((ILSMIndex) index).getOperationTracker()).getFirstLSN();
+ minMCTFirstLSN = Math.min(minMCTFirstLSN, firstLSN);
+ }
+ } else {
+ minMCTFirstLSN = -1;
+ }
+
+ CheckpointObject checkpointObject = new CheckpointObject(logMgr.getCurrentLsn().get(), minMCTFirstLSN,
+ txnMgr.getMaxJobId(), System.currentTimeMillis());
+
+ FileOutputStream fos = null;
+ ObjectOutputStream oosToFos = null;
+ try {
+ String fileName = getFileName(logDir, Long.toString(checkpointObject.getTimeStamp()));
+ fos = new FileOutputStream(fileName);
+ oosToFos = new ObjectOutputStream(fos);
+ oosToFos.writeObject(checkpointObject);
+ oosToFos.flush();
+ } catch (IOException e) {
+ throw new ACIDException("Failed to checkpoint", e);
+ } finally {
+ if (oosToFos != null) {
+ try {
+ oosToFos.close();
+ } catch (IOException e) {
+ throw new ACIDException("Failed to checkpoint", e);
+ }
+ }
+ if (oosToFos == null && fos != null) {
+ try {
+ fos.close();
+ } catch (IOException e) {
+ throw new ACIDException("Failed to checkpoint", e);
+ }
+ }
+ }
+
+ //#. delete the previous checkpoint files
+ if (prevCheckpointFiles != null) {
+ for (File file : prevCheckpointFiles) {
+ file.delete();
+ }
+ }
+
+ if (isSharpCheckpoint) {
+ logMgr.renewLogFiles();
+ }
+ }
+
+ private CheckpointObject readCheckpoint() throws ACIDException, FileNotFoundException {
+
+ CheckpointObject checkpointObject = null;
+
+ //#. read all checkpointObjects from the existing checkpoint files
+ File[] prevCheckpointFiles = getPreviousCheckpointFiles();
+
+ if (prevCheckpointFiles == null || prevCheckpointFiles.length == 0) {
+ throw new FileNotFoundException("Checkpoint file is not found");
+ }
+
+ List<CheckpointObject> checkpointObjectList = new ArrayList<CheckpointObject>();
+
+ for (File file : prevCheckpointFiles) {
+ FileInputStream fis = null;
+ ObjectInputStream oisFromFis = null;
+
+ try {
+ fis = new FileInputStream(file);
+ oisFromFis = new ObjectInputStream(fis);
+ checkpointObject = (CheckpointObject) oisFromFis.readObject();
+ checkpointObjectList.add(checkpointObject);
+ } catch (Exception e) {
+ throw new ACIDException("Failed to read a checkpoint file", e);
+ } finally {
+ if (oisFromFis != null) {
+ try {
+ oisFromFis.close();
+ } catch (IOException e) {
+ throw new ACIDException("Failed to read a checkpoint file", e);
+ }
+ }
+ if (oisFromFis == null && fis != null) {
+ try {
+ fis.close();
+ } catch (IOException e) {
+ throw new ACIDException("Failed to read a checkpoint file", e);
+ }
+ }
+ }
+ }
+
+ //#. sort checkpointObjects in descending order by timeStamp to find out the most recent one.
+ Collections.sort(checkpointObjectList);
+
+ //#. return the most recent one (the first one in sorted list)
+ return checkpointObjectList.get(0);
+ }
+
+ private File[] getPreviousCheckpointFiles() {
+ String logDir = txnSubsystem.getLogManager().getLogManagerProperties().getLogDir();
+
+ File parentDir = new File(logDir);
+
+ FilenameFilter filter = new FilenameFilter() {
+ @Override
+ public boolean accept(File dir, String name) {
+ if (name.contains(CHECKPOINT_FILENAME_PREFIX)) {
+ return true;
+ } else {
+ return false;
+ }
+ }
+ };
+
+ File[] prevCheckpointFiles = parentDir.listFiles(filter);
+
+ return prevCheckpointFiles;
+ }
+
+ private String getFileName(String baseDir, String suffix) {
+
+ if (!baseDir.endsWith(System.getProperty("file.separator"))) {
+ baseDir += System.getProperty("file.separator");
+ }
+
+ return baseDir + CHECKPOINT_FILENAME_PREFIX + suffix;
+ }
+
+ /**
+ * Rollback a transaction
+ *
+ * @see edu.uci.ics.transaction.management.service.recovery.IRecoveryManager# rollbackTransaction (edu.uci.ics.TransactionContext.management.service.transaction .TransactionContext)
+ */
+ @Override
+ public void rollbackTransaction(TransactionContext txnContext) throws ACIDException {
+ ILogManager logManager = txnSubsystem.getLogManager();
+ ILogRecordHelper logRecordHelper = logManager.getLogRecordHelper();
+ Map<TxnId, List<Long>> loserTxnTable = new HashMap<TxnId, List<Long>>();
+ TxnId tempKeyTxnId = new TxnId(-1, -1, -1);
+
+ int updateLogCount = 0;
+ int commitLogCount = 0;
+
+ // Obtain the first log record written by the Job
+ PhysicalLogLocator firstLSNLogLocator = txnContext.getFirstLogLocator();
+ PhysicalLogLocator lastLSNLogLocator = txnContext.getLastLogLocator();
+ if (LOGGER.isLoggable(Level.INFO)) {
+ LOGGER.info(" rollbacking transaction log records from " + firstLSNLogLocator.getLsn() + " to "
+ + lastLSNLogLocator.getLsn());
+ }
+
+ // check if the transaction actually wrote some logs.
+ if (firstLSNLogLocator.getLsn() == TransactionManagementConstants.LogManagerConstants.TERMINAL_LSN) {
+ if (LOGGER.isLoggable(Level.INFO)) {
+ LOGGER.info(" no need to roll back as there were no operations by the transaction "
+ + txnContext.getJobId());
+ }
+ return;
+ }
+
+ // While reading log records from firstLSN to lastLSN, collect uncommitted txn's LSNs
+ ILogCursor logCursor;
+ try {
+ logCursor = logManager.readLog(firstLSNLogLocator, new ILogFilter() {
+ @Override
+ public boolean accept(IBuffer buffer, long startOffset, int length) {
+ return true;
+ }
+ });
+ } catch (IOException e) {
+ throw new ACIDException("Failed to create LogCursor with LSN:" + firstLSNLogLocator.getLsn(), e);
+ }
+
+ LogicalLogLocator currentLogLocator = LogUtil.getDummyLogicalLogLocator(logManager);
+ boolean valid;
+ byte logType;
+ List<Long> undoLSNSet = null;
+
+ if (LOGGER.isLoggable(Level.INFO)) {
+ LOGGER.info(" collecting loser transaction's LSNs from " + firstLSNLogLocator.getLsn() + " to "
+ + +lastLSNLogLocator.getLsn());
+ }
+
+ while (currentLogLocator.getLsn() != lastLSNLogLocator.getLsn()) {
+ try {
+ valid = logCursor.next(currentLogLocator);
+ } catch (IOException e) {
+ throw new ACIDException("Failed to read log at LSN:" + currentLogLocator.getLsn(), e);
+ }
+ if (!valid) {
+ if (currentLogLocator.getLsn() != lastLSNLogLocator.getLsn()) {
+ throw new ACIDException("Log File Corruption: lastLSN mismatch");
+ } else {
+ break;//End of Log File
+ }
+ }
+
+ if (IS_DEBUG_MODE) {
+ System.out.println(logManager.getLogRecordHelper().getLogRecordForDisplay(currentLogLocator));
+ }
+
+ tempKeyTxnId.setTxnId(logRecordHelper.getJobId(currentLogLocator),
+ logRecordHelper.getDatasetId(currentLogLocator), logRecordHelper.getPKHashValue(currentLogLocator));
+ logType = logRecordHelper.getLogType(currentLogLocator);
+
+ switch (logType) {
+ case LogType.UPDATE:
+ undoLSNSet = loserTxnTable.get(tempKeyTxnId);
+ if (undoLSNSet == null) {
+ TxnId txnId = new TxnId(logRecordHelper.getJobId(currentLogLocator),
+ logRecordHelper.getDatasetId(currentLogLocator),
+ logRecordHelper.getPKHashValue(currentLogLocator));
+ undoLSNSet = new LinkedList<Long>();
+ loserTxnTable.put(txnId, undoLSNSet);
+ }
+ undoLSNSet.add(currentLogLocator.getLsn());
+ if (IS_DEBUG_MODE) {
+ updateLogCount++;
+ System.out.println("" + Thread.currentThread().getId() + "======> update["
+ + currentLogLocator.getLsn() + "]:" + tempKeyTxnId);
+ }
+ break;
+
+ case LogType.COMMIT:
+ case LogType.ENTITY_COMMIT:
+ undoLSNSet = loserTxnTable.get(tempKeyTxnId);
+ if (undoLSNSet != null) {
+ loserTxnTable.remove(tempKeyTxnId);
+ }
+ if (IS_DEBUG_MODE) {
+ commitLogCount++;
+ System.out.println("" + Thread.currentThread().getId() + "======> commit["
+ + currentLogLocator.getLsn() + "]" + tempKeyTxnId);
+ }
+ break;
+
+ default:
+ throw new ACIDException("Unsupported LogType: " + logType);
+ }
+ }
+
+ //undo loserTxn's effect
+ if (LOGGER.isLoggable(Level.INFO)) {
+ LOGGER.info(" undoing loser transaction's effect");
+ }
+
+ TxnId txnId = null;
+ Iterator<Entry<TxnId, List<Long>>> iter = loserTxnTable.entrySet().iterator();
+ byte resourceMgrId;
+ int undoCount = 0;
+ while (iter.hasNext()) {
+ //TODO
+ //Sort the lsns in order to undo in one pass.
+
+ Map.Entry<TxnId, List<Long>> loserTxn = (Map.Entry<TxnId, List<Long>>) iter.next();
+ txnId = loserTxn.getKey();
+
+ undoLSNSet = loserTxn.getValue();
+
+ for (long undoLSN : undoLSNSet) {
+ // here, all the log records are UPDATE type. So, we don't need to check the type again.
+
+ //read the corresponding log record to be undone.
+ logManager.readLog(undoLSN, currentLogLocator);
+
+ if (IS_DEBUG_MODE) {
+ System.out.println(logManager.getLogRecordHelper().getLogRecordForDisplay(currentLogLocator));
+ }
+
+ // extract the resource manager id from the log record.
+ resourceMgrId = logRecordHelper.getResourceMgrId(currentLogLocator);
+ if (LOGGER.isLoggable(Level.FINE)) {
+ LOGGER.fine(logRecordHelper.getLogRecordForDisplay(currentLogLocator));
+ }
+
+ // look up the repository to get the resource manager
+ IResourceManager resourceMgr = txnSubsystem.getTransactionalResourceRepository()
+ .getTransactionalResourceMgr(resourceMgrId);
+
+ // register resourceMgr if it is not registered.
+ if (resourceMgr == null) {
+ resourceMgr = new IndexResourceManager(resourceMgrId, txnSubsystem);
+ txnSubsystem.getTransactionalResourceRepository().registerTransactionalResourceManager(
+ resourceMgrId, resourceMgr);
+ }
+ resourceMgr.undo(logRecordHelper, currentLogLocator);
+
+ if (IS_DEBUG_MODE) {
+ undoCount++;
+ }
+ }
+ }
+
+ if (LOGGER.isLoggable(Level.INFO)) {
+ LOGGER.info(" undone loser transaction's effect");
+ }
+ if (IS_DEBUG_MODE) {
+ System.out.println("UpdateLogCount/CommitLogCount/UndoCount:" + updateLogCount + "/" + commitLogCount + "/"
+ + undoCount);
+ }
+ }
+}
+
+class TxnId {
+ public int jobId;
+ public int datasetId;
+ public int pkHashVal;
+
+ public TxnId(int jobId, int datasetId, int pkHashVal) {
+ this.jobId = jobId;
+ this.datasetId = datasetId;
+ this.pkHashVal = pkHashVal;
+ }
+
+ public void setTxnId(int jobId, int datasetId, int pkHashVal) {
+ this.jobId = jobId;
+ this.datasetId = datasetId;
+ this.pkHashVal = pkHashVal;
+ }
+
+ public void setTxnId(TxnId txnId) {
+ this.jobId = txnId.jobId;
+ this.datasetId = txnId.datasetId;
+ this.pkHashVal = txnId.pkHashVal;
+ }
+
+ @Override
+ public String toString() {
+ return "[" + jobId + "," + datasetId + "," + pkHashVal + "]";
+ }
+
+ @Override
+ public int hashCode() {
+ return pkHashVal;
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (o == this) {
+ return true;
+ }
+ if (!(o instanceof TxnId)) {
+ return false;
+ }
+ TxnId txnId = (TxnId) o;
+
+ return (txnId.pkHashVal == pkHashVal && txnId.datasetId == datasetId && txnId.jobId == jobId);
+ }
}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/DatasetId.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/DatasetId.java
new file mode 100644
index 0000000..9aded2a
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/DatasetId.java
@@ -0,0 +1,32 @@
+package edu.uci.ics.asterix.transaction.management.service.transaction;
+
+import java.io.Serializable;
+
+public class DatasetId implements Serializable {
+ int id;
+
+ public DatasetId(int id) {
+ this.id = id;
+ }
+
+ public void setId(int id) {
+ this.id = id;
+ }
+
+ public int getId() {
+ return id;
+ }
+
+ @Override
+ public int hashCode() {
+ return id;
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if ((o == null) || !(o instanceof DatasetId)) {
+ return false;
+ }
+ return ((DatasetId) o).id == this.id;
+ }
+}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/DatasetIdFactory.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/DatasetIdFactory.java
new file mode 100644
index 0000000..65512ec
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/DatasetIdFactory.java
@@ -0,0 +1,15 @@
+package edu.uci.ics.asterix.transaction.management.service.transaction;
+
+import java.util.concurrent.atomic.AtomicInteger;
+
+public class DatasetIdFactory {
+ private static AtomicInteger id = new AtomicInteger();
+
+ public static void initialize(int initialId) {
+ id.set(initialId);
+ }
+
+ public static int generateDatasetId() {
+ return id.incrementAndGet();
+ }
+}
\ No newline at end of file
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/FieldsHashValueGenerator.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/FieldsHashValueGenerator.java
new file mode 100644
index 0000000..d4f15d9
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/FieldsHashValueGenerator.java
@@ -0,0 +1,36 @@
+/*
+ * Copyright 2009-2012 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package edu.uci.ics.asterix.transaction.management.service.transaction;
+
+import edu.uci.ics.hyracks.api.dataflow.value.IBinaryHashFunction;
+import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
+
+public class FieldsHashValueGenerator {
+ public static int computeFieldsHashValue(ITupleReference tuple, int[] fieldIndexes,
+ IBinaryHashFunction[] fieldHashFunctions) {
+ int h = 0;
+ for (int i = 0; i < fieldIndexes.length; i++) {
+ int primaryKeyFieldIdx = fieldIndexes[i];
+ int fh = fieldHashFunctions[i].hash(tuple.getFieldData(primaryKeyFieldIdx),
+ tuple.getFieldStart(primaryKeyFieldIdx), tuple.getFieldLength(primaryKeyFieldIdx));
+ h = h * 31 + fh;
+ if (h < 0) {
+ h = h*(-1);
+ }
+ }
+ return h;
+ }
+}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/IResourceManager.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/IResourceManager.java
index 200527f..f7715e8 100644
--- a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/IResourceManager.java
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/IResourceManager.java
@@ -22,6 +22,12 @@
* Provides APIs for undo or redo of an operation on a resource.
*/
public interface IResourceManager {
+
+ public class ResourceType {
+ public static final byte LSM_BTREE = 1;
+ public static final byte LSM_RTREE = 2;
+ public static final byte LSM_INVERTED_INDEX = 3;
+ }
/**
* Returns the unique identifier for the resource manager.
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/ITransactionManager.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/ITransactionManager.java
index d7078bd..3f55ac9 100644
--- a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/ITransactionManager.java
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/ITransactionManager.java
@@ -40,46 +40,50 @@
* Begins a transaction identified by a transaction id and returns the
* associated transaction context.
*
- * @param transactionId
+ * @param jobId
* a unique value for the transaction id.
* @return the transaction context associated with the initiated transaction
* @see TransactionContext
* @throws ACIDException
*/
- public TransactionContext beginTransaction(long transactionId) throws ACIDException;
+ public TransactionContext beginTransaction(JobId jobId) throws ACIDException;
/**
* Returns the transaction context of an active transaction given the
* transaction id.
*
- * @param transactionId
+ * @param jobId
* a unique value for the transaction id.
* @return
* @throws ACIDException
*/
- public TransactionContext getTransactionContext(long transactionId) throws ACIDException;
+ public TransactionContext getTransactionContext(JobId jobId) throws ACIDException;
/**
* Commits a transaction.
*
* @param txnContext
* the transaction context associated with the transaction
+ * @param datasetId TODO
+ * @param PKHashVal TODO
* @throws ACIDException
- * @see transactionContext
+ * @see transactionContextimport edu.uci.ics.hyracks.api.job.JobId;
* @see ACIDException
*/
- public void commitTransaction(TransactionContext txnContext) throws ACIDException;
+ public void commitTransaction(TransactionContext txnContext, DatasetId datasetId, int PKHashVal) throws ACIDException;
/**
* Aborts a transaction.
*
* @param txnContext
* the transaction context associated with the transaction
+ * @param datasetId TODO
+ * @param PKHashVal TODO
* @throws ACIDException
* @see transactionContext
* @see ACIDException
*/
- public void abortTransaction(TransactionContext txnContext) throws ACIDException;
+ public void abortTransaction(TransactionContext txnContext, DatasetId datasetId, int PKHashVal) throws ACIDException;
/**
* Indicates end of all activity for a transaction. In other words, all
@@ -88,36 +92,23 @@
*
* @param txnContext
* the transaction context associated with the transaction
+ * @param datasetId TODO
+ * @param PKHashVal TODO
* @param success
* indicates the success or failure. The transaction is committed
* or aborted accordingly.
* @throws ACIDException
*/
- public void completedTransaction(TransactionContext txnContext, boolean success) throws ACIDException;
-
- /**
- * Associates a resource manager with a transaction. In a distributed
- * transaction multiple resource managers can join a transaction and
- * participate in a two phase commit protocol. This method is not used
- * currently as we do not support distributed transactions.
- *
- * @param txnContext
- * the transaction context associated with the transaction
- * @param resourceMgrID
- * a unique identifier for the resource manager.
- * @see IResourceManager
- * @throws ACIDException
- */
- public void joinTransaction(TransactionContext txnContext, byte[] resourceMgrID) throws ACIDException;
+ public void completedTransaction(TransactionContext txnContext, DatasetId datasetId, int PKHashVal, boolean success) throws ACIDException;
/**
* Returns the Transaction Provider for the transaction eco-system. A
* transaction eco-system consists of a Log Manager, a Recovery Manager, a
* Transaction Manager and a Lock Manager.
*
- * @see TransactionProvider
+ * @see TransactionSubsystem
* @return TransactionProvider
*/
- public TransactionProvider getTransactionProvider();
+ public TransactionSubsystem getTransactionProvider();
}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/TransactionIDFactory.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/ITransactionSubsystemProvider.java
similarity index 70%
copy from asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/TransactionIDFactory.java
copy to asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/ITransactionSubsystemProvider.java
index e5475f4..857d8ae 100644
--- a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/TransactionIDFactory.java
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/ITransactionSubsystemProvider.java
@@ -12,17 +12,13 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
+
package edu.uci.ics.asterix.transaction.management.service.transaction;
-import java.util.concurrent.atomic.AtomicLong;
+import java.io.Serializable;
-/**
- * Represents a factory to generate unique transaction IDs.
- */
-public class TransactionIDFactory {
- private static final AtomicLong ID = new AtomicLong();
+import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
- public static long generateTransactionId() {
- return ID.incrementAndGet();
- }
-}
\ No newline at end of file
+public interface ITransactionSubsystemProvider extends Serializable{
+ public TransactionSubsystem getTransactionSubsystem(IHyracksTaskContext ctx);
+}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/JobId.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/JobId.java
new file mode 100644
index 0000000..d306670
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/JobId.java
@@ -0,0 +1,42 @@
+package edu.uci.ics.asterix.transaction.management.service.transaction;
+
+import java.io.Serializable;
+
+public class JobId implements Serializable {
+ private static final long serialVersionUID = 1L;
+
+ private int id;
+
+ public JobId(int id) {
+ this.id = id;
+ }
+
+ public int getId() {
+ return id;
+ }
+
+ @Override
+ public int hashCode() {
+ return id;
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (o == this) {
+ return true;
+ }
+ if (!(o instanceof JobId)) {
+ return false;
+ }
+ return ((JobId) o).id == id;
+ }
+
+ @Override
+ public String toString() {
+ return "JID:" + id;
+ }
+
+ public void setId(int jobId) {
+ id = jobId;
+ }
+}
\ No newline at end of file
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/TransactionIDFactory.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/JobIdFactory.java
similarity index 71%
rename from asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/TransactionIDFactory.java
rename to asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/JobIdFactory.java
index e5475f4..cac4f8e 100644
--- a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/TransactionIDFactory.java
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/JobIdFactory.java
@@ -14,15 +14,19 @@
*/
package edu.uci.ics.asterix.transaction.management.service.transaction;
-import java.util.concurrent.atomic.AtomicLong;
+import java.util.concurrent.atomic.AtomicInteger;
/**
* Represents a factory to generate unique transaction IDs.
*/
-public class TransactionIDFactory {
- private static final AtomicLong ID = new AtomicLong();
+public class JobIdFactory {
+ private static final AtomicInteger Id = new AtomicInteger();
- public static long generateTransactionId() {
- return ID.incrementAndGet();
+ public static JobId generateJobId() {
+ return new JobId(Id.incrementAndGet());
+ }
+
+ public static void initJobId(int id) {
+ Id.set(id);
}
}
\ No newline at end of file
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/MutableResourceId.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/MutableResourceId.java
new file mode 100644
index 0000000..5552930
--- /dev/null
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/MutableResourceId.java
@@ -0,0 +1,30 @@
+package edu.uci.ics.asterix.transaction.management.service.transaction;
+
+public class MutableResourceId{
+ long id;
+
+ public MutableResourceId(long id) {
+ this.id = id;
+ }
+
+ public void setId(long id) {
+ this.id = id;
+ }
+
+ public long getId() {
+ return id;
+ }
+
+ @Override
+ public int hashCode() {
+ return (int)id;
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if ((o == null) || !(o instanceof MutableResourceId)) {
+ return false;
+ }
+ return ((MutableResourceId) o).id == this.id;
+ }
+}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/TransactionContext.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/TransactionContext.java
index e37f892..5b01edf 100644
--- a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/TransactionContext.java
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/TransactionContext.java
@@ -15,14 +15,23 @@
package edu.uci.ics.asterix.transaction.management.service.transaction;
import java.io.Serializable;
+import java.util.ArrayList;
import java.util.HashSet;
+import java.util.List;
import java.util.Set;
+import java.util.concurrent.atomic.AtomicInteger;
import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
+import edu.uci.ics.asterix.transaction.management.opcallbacks.AbstractOperationCallback;
+import edu.uci.ics.asterix.transaction.management.opcallbacks.IndexOperationTracker;
import edu.uci.ics.asterix.transaction.management.resource.ICloseable;
import edu.uci.ics.asterix.transaction.management.service.logging.LogUtil;
import edu.uci.ics.asterix.transaction.management.service.logging.LogicalLogLocator;
import edu.uci.ics.asterix.transaction.management.service.transaction.ITransactionManager.TransactionState;
+import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import edu.uci.ics.hyracks.storage.am.common.api.IModificationOperationCallback;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndex;
+import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMOperationType;
/**
* Represents a holder object that contains all information related to a
@@ -36,7 +45,7 @@
public static final long INVALID_TIME = -1l; // used for showing a
// transaction is not waiting.
public static final int ACTIVE_STATUS = 0;
- public static final int TIMED_OUT_SATUS = 1;
+ public static final int TIMED_OUT_STATUS = 1;
public enum TransactionType {
READ,
@@ -44,14 +53,62 @@
}
private static final long serialVersionUID = -6105616785783310111L;
- private TransactionProvider transactionProvider;
- private long transactionID;
- private LogicalLogLocator lastLogLocator;
+ private TransactionSubsystem transactionSubsystem;
+ private LogicalLogLocator firstLogLocator;//firstLSN of the Job
+ private LogicalLogLocator lastLogLocator;//lastLSN of the Job
private TransactionState txnState;
private long startWaitTime;
private int status;
private Set<ICloseable> resources = new HashSet<ICloseable>();
private TransactionType transactionType = TransactionType.READ;
+ private JobId jobId;
+
+ // List of indexes on which operations were performed on behalf of this transaction.
+ private final List<ILSMIndex> indexes = new ArrayList<ILSMIndex>();
+
+ // List of operation callbacks corresponding to the operand indexes. In particular, needed to track
+ // the number of active operations contributed by this transaction.
+ private final List<AbstractOperationCallback> callbacks = new ArrayList<AbstractOperationCallback>();
+
+ public TransactionContext(JobId jobId, TransactionSubsystem transactionSubsystem) throws ACIDException {
+ this.jobId = jobId;
+ this.transactionSubsystem = transactionSubsystem;
+ init();
+ }
+
+ private void init() throws ACIDException {
+ firstLogLocator = LogUtil.getDummyLogicalLogLocator(transactionSubsystem.getLogManager());
+ lastLogLocator = LogUtil.getDummyLogicalLogLocator(transactionSubsystem.getLogManager());
+ txnState = TransactionState.ACTIVE;
+ startWaitTime = INVALID_TIME;
+ status = ACTIVE_STATUS;
+ }
+
+ public void registerIndexAndCallback(ILSMIndex index, AbstractOperationCallback callback) {
+ synchronized (indexes) {
+ indexes.add(index);
+ callbacks.add(callback);
+ }
+ }
+
+ public void updateLastLSNForIndexes(long lastLSN) {
+ synchronized (indexes) {
+ for (ILSMIndex index : indexes) {
+ ((IndexOperationTracker) index.getOperationTracker()).updateLastLSN(lastLSN);
+ }
+ }
+ }
+
+ public void decreaseActiveTransactionCountOnIndexes() throws HyracksDataException {
+ synchronized (indexes) {
+ for (int i = 0; i < indexes.size(); i++) {
+ ILSMIndex index = indexes.get(i);
+ IModificationOperationCallback modificationCallback = (IModificationOperationCallback) callbacks.get(i);
+ ((IndexOperationTracker) index.getOperationTracker()).completeOperation(LSMOperationType.MODIFICATION,
+ null, modificationCallback);
+ }
+ }
+ }
public void setTransactionType(TransactionType transactionType) {
this.transactionType = transactionType;
@@ -65,29 +122,23 @@
resources.add(resource);
}
- public TransactionContext(long transactionId, TransactionProvider transactionProvider) throws ACIDException {
- this.transactionID = transactionId;
- this.transactionProvider = transactionProvider;
- init();
- }
-
- private void init() throws ACIDException {
- lastLogLocator = LogUtil.getDummyLogicalLogLocator(transactionProvider.getLogManager());
- txnState = TransactionState.ACTIVE;
- startWaitTime = INVALID_TIME;
- status = ACTIVE_STATUS;
+ public LogicalLogLocator getFirstLogLocator() {
+ return firstLogLocator;
}
public LogicalLogLocator getLastLogLocator() {
return lastLogLocator;
}
- public void setLastLSN(LogicalLogLocator lastLogLocator) {
- this.lastLogLocator = lastLogLocator;
+ public void setLastLSN(long lsn) {
+ if (firstLogLocator.getLsn() == -1) {
+ firstLogLocator.setLsn(lsn);
+ }
+ lastLogLocator.setLsn(lsn);
}
- public long getTransactionID() {
- return transactionID;
+ public JobId getJobId() {
+ return jobId;
}
public void setStartWaitTime(long time) {
@@ -119,5 +170,14 @@
closeable.close(this);
}
}
+
+ @Override
+ public int hashCode() {
+ return jobId.getId();
+ }
+ @Override
+ public boolean equals(Object o) {
+ return (o == this);
+ }
}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/TransactionManagementConstants.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/TransactionManagementConstants.java
index ad65973..3d25e54 100644
--- a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/TransactionManagementConstants.java
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/TransactionManagementConstants.java
@@ -27,7 +27,7 @@
public static class LogManagerConstants {
public static final String LOG_CONF_DIR = "log_conf";
- public static final String LOG_CONF_FILE = "log.conf";
+ public static final String LOG_CONF_FILE = "log.properties";
public static final String ASTERIX_CONF_DIR = "src/main/resources";
public static final String ASTERIX_CONF_FILE = "test.properties";
public static final String DEFAULT_LOG_DIR = "asterix_logs";
@@ -41,8 +41,10 @@
public static final int[] LOCK_CONVERT_MATRIX = new int[] { 2, 0 };
public static class LockMode {
- public static final int SHARED = 0;
- public static final int EXCLUSIVE = 1;
+ public static final byte S = 0;
+ public static final byte X = 1;
+ public static final byte IS = 2;
+ public static final byte IX = 3;
}
}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/TransactionManager.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/TransactionManager.java
index 8e7f26a..d3294d0 100644
--- a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/TransactionManager.java
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/TransactionManager.java
@@ -16,12 +16,13 @@
import java.util.HashMap;
import java.util.Map;
+import java.util.concurrent.atomic.AtomicInteger;
import java.util.logging.Level;
import java.util.logging.Logger;
import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
-import edu.uci.ics.asterix.transaction.management.service.logging.LogActionType;
import edu.uci.ics.asterix.transaction.management.service.logging.LogType;
+import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
/**
* An implementation of the @see ITransactionManager interface that provides
@@ -29,15 +30,17 @@
*/
public class TransactionManager implements ITransactionManager {
private static final Logger LOGGER = Logger.getLogger(TransactionManager.class.getName());
- private final TransactionProvider transactionProvider;
- private Map<Long, TransactionContext> transactionContextRepository = new HashMap<Long, TransactionContext>();
+ private final TransactionSubsystem transactionProvider;
+ private Map<JobId, TransactionContext> transactionContextRepository = new HashMap<JobId, TransactionContext>();
+ private AtomicInteger maxJobId = new AtomicInteger(0);
- public TransactionManager(TransactionProvider provider) {
+ public TransactionManager(TransactionSubsystem provider) {
this.transactionProvider = provider;
}
@Override
- public void abortTransaction(TransactionContext txnContext) throws ACIDException {
+ public void abortTransaction(TransactionContext txnContext, DatasetId datasetId, int PKHashVal)
+ throws ACIDException {
synchronized (txnContext) {
if (txnContext.getTxnState().equals(TransactionState.ABORTED)) {
return;
@@ -50,88 +53,107 @@
if (LOGGER.isLoggable(Level.SEVERE)) {
LOGGER.severe(msg);
}
+ ae.printStackTrace();
throw new Error(msg);
} finally {
txnContext.releaseResources();
transactionProvider.getLockManager().releaseLocks(txnContext);
- transactionContextRepository.remove(txnContext.getTransactionID());
+ transactionContextRepository.remove(txnContext.getJobId());
txnContext.setTxnState(TransactionState.ABORTED);
}
}
}
@Override
- public TransactionContext beginTransaction(long transactionId) throws ACIDException {
- TransactionContext txnContext = new TransactionContext(transactionId, transactionProvider);
+ public TransactionContext beginTransaction(JobId jobId) throws ACIDException {
+ setMaxJobId(jobId.getId());
+ TransactionContext txnContext = new TransactionContext(jobId, transactionProvider);
synchronized (this) {
- transactionContextRepository.put(transactionId, txnContext);
+ transactionContextRepository.put(jobId, txnContext);
}
return txnContext;
}
@Override
- public TransactionContext getTransactionContext(long transactionId) throws ACIDException {
+ public TransactionContext getTransactionContext(JobId jobId) throws ACIDException {
+ setMaxJobId(jobId.getId());
synchronized (transactionContextRepository) {
- TransactionContext context = transactionContextRepository.get(transactionId);
+
+ TransactionContext context = transactionContextRepository.get(jobId);
if (context == null) {
- context = transactionContextRepository.get(transactionId);
- context = new TransactionContext(transactionId, transactionProvider);
- transactionContextRepository.put(transactionId, context);
+ context = transactionContextRepository.get(jobId);
+ context = new TransactionContext(jobId, transactionProvider);
+ transactionContextRepository.put(jobId, context);
}
return context;
}
}
@Override
- public void commitTransaction(TransactionContext txnContext) throws ACIDException {
+ public void commitTransaction(TransactionContext txnContext, DatasetId datasetId, int PKHashVal)
+ throws ACIDException {
synchronized (txnContext) {
if ((txnContext.getTxnState().equals(TransactionState.COMMITTED))) {
return;
}
+ //There is either job-level commit or entity-level commit.
+ //The job-level commit will have -1 value both for datasetId and PKHashVal.
+
+ //for entity-level commit
+ if (PKHashVal != -1) {
+ transactionProvider.getLockManager().unlock(datasetId, PKHashVal, txnContext, true);
+ /*****************************
+ try {
+ //decrease the transaction reference count on index
+ txnContext.decreaseActiveTransactionCountOnIndexes();
+ } catch (HyracksDataException e) {
+ throw new ACIDException("failed to complete index operation", e);
+ }
+ *****************************/
+ return;
+ }
+
+ //for job-level commit
try {
- if (txnContext.getTransactionType().equals(TransactionContext.TransactionType.READ_WRITE)) { // conditionally
- // write
- // commit
- // log
- // record
- transactionProvider.getLogManager().log(txnContext.getLastLogLocator(), txnContext, (byte) (-1), 0,
- LogType.COMMIT, LogActionType.NO_OP, 0, null, null);
+ if (txnContext.getTransactionType().equals(TransactionContext.TransactionType.READ_WRITE)) {
+ transactionProvider.getLogManager().log(LogType.COMMIT, txnContext, -1, -1, -1, (byte) 0, 0, null,
+ null, txnContext.getLastLogLocator());
}
} catch (ACIDException ae) {
if (LOGGER.isLoggable(Level.SEVERE)) {
- LOGGER.severe(" caused exception in commit !" + txnContext.getTransactionID());
+ LOGGER.severe(" caused exception in commit !" + txnContext.getJobId());
}
throw ae;
} finally {
txnContext.releaseResources();
transactionProvider.getLockManager().releaseLocks(txnContext); // release
- transactionContextRepository.remove(txnContext.getTransactionID());
+ transactionContextRepository.remove(txnContext.getJobId());
txnContext.setTxnState(TransactionState.COMMITTED);
}
}
}
@Override
- public void joinTransaction(TransactionContext txnContext, byte[] resourceMgrID) throws ACIDException {
- throw new UnsupportedOperationException();
- // TODO this method will be implemented as part of support for
- // distributed transactions
-
- }
-
- @Override
- public void completedTransaction(TransactionContext txnContext, boolean success) throws ACIDException {
+ public void completedTransaction(TransactionContext txnContext, DatasetId datasetId, int PKHashVal, boolean success)
+ throws ACIDException {
if (!success) {
- abortTransaction(txnContext);
+ abortTransaction(txnContext, datasetId, PKHashVal);
} else {
- commitTransaction(txnContext);
+ commitTransaction(txnContext, datasetId, PKHashVal);
}
}
@Override
- public TransactionProvider getTransactionProvider() {
+ public TransactionSubsystem getTransactionProvider() {
return transactionProvider;
}
-
+
+ public void setMaxJobId(int jobId) {
+ maxJobId.set(Math.max(maxJobId.get(), jobId));
+ }
+
+ public int getMaxJobId() {
+ return maxJobId.get();
+ }
}
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/TransactionProvider.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/TransactionSubsystem.java
similarity index 62%
rename from asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/TransactionProvider.java
rename to asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/TransactionSubsystem.java
index ef843f4..c83b7bc 100644
--- a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/TransactionProvider.java
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/TransactionSubsystem.java
@@ -15,12 +15,14 @@
package edu.uci.ics.asterix.transaction.management.service.transaction;
import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
-import edu.uci.ics.asterix.transaction.management.resource.TransactionalResourceRepository;
+import edu.uci.ics.asterix.transaction.management.resource.TransactionalResourceManagerRepository;
import edu.uci.ics.asterix.transaction.management.service.locking.ILockManager;
import edu.uci.ics.asterix.transaction.management.service.locking.LockManager;
import edu.uci.ics.asterix.transaction.management.service.logging.ILogManager;
+import edu.uci.ics.asterix.transaction.management.service.logging.IndexLoggerRepository;
import edu.uci.ics.asterix.transaction.management.service.logging.LogManager;
-import edu.uci.ics.asterix.transaction.management.service.logging.TreeLoggerRepository;
+import edu.uci.ics.asterix.transaction.management.service.recovery.CheckpointThread;
+import edu.uci.ics.asterix.transaction.management.service.recovery.IAsterixAppRuntimeContextProvider;
import edu.uci.ics.asterix.transaction.management.service.recovery.IRecoveryManager;
import edu.uci.ics.asterix.transaction.management.service.recovery.RecoveryManager;
@@ -28,23 +30,33 @@
* Provider for all the sub-systems (transaction/lock/log/recovery) managers.
* Users of transaction sub-systems must obtain them from the provider.
*/
-public class TransactionProvider {
+public class TransactionSubsystem {
private final String id;
private final ILogManager logManager;
private final ILockManager lockManager;
private final ITransactionManager transactionManager;
private final IRecoveryManager recoveryManager;
- private final TransactionalResourceRepository resourceRepository;
- private final TreeLoggerRepository loggerRepository;
+ private final TransactionalResourceManagerRepository resourceRepository;
+ private final IndexLoggerRepository loggerRepository;
+ private final IAsterixAppRuntimeContextProvider asterixAppRuntimeContextProvider;
+ private final CheckpointThread checkpointThread;
- public TransactionProvider(String id) throws ACIDException {
+ public TransactionSubsystem(String id, IAsterixAppRuntimeContextProvider asterixAppRuntimeContextProvider)
+ throws ACIDException {
this.id = id;
this.transactionManager = new TransactionManager(this);
this.logManager = new LogManager(this);
this.lockManager = new LockManager(this);
this.recoveryManager = new RecoveryManager(this);
- this.loggerRepository = new TreeLoggerRepository(this);
- this.resourceRepository = new TransactionalResourceRepository();
+ this.loggerRepository = new IndexLoggerRepository(this);
+ this.resourceRepository = new TransactionalResourceManagerRepository();
+ this.asterixAppRuntimeContextProvider = asterixAppRuntimeContextProvider;
+ if (asterixAppRuntimeContextProvider != null) {
+ this.checkpointThread = new CheckpointThread(recoveryManager,
+ asterixAppRuntimeContextProvider.getIndexLifecycleManager(), 0);
+ } else {
+ this.checkpointThread = null;
+ }
}
public ILogManager getLogManager() {
@@ -62,15 +74,19 @@
public IRecoveryManager getRecoveryManager() {
return recoveryManager;
}
-
- public TransactionalResourceRepository getTransactionalResourceRepository() {
+
+ public TransactionalResourceManagerRepository getTransactionalResourceRepository() {
return resourceRepository;
}
-
- public TreeLoggerRepository getTreeLoggerRepository() {
+
+ public IndexLoggerRepository getTreeLoggerRepository() {
return loggerRepository;
}
+ public IAsterixAppRuntimeContextProvider getAsterixAppRuntimeContextProvider() {
+ return asterixAppRuntimeContextProvider;
+ }
+
public String getId() {
return id;
}
diff --git a/asterix-transactions/src/test/java/edu/uci/ics/asterix/transaction/management/logging/BasicLogger.java b/asterix-transactions/src/test/java/edu/uci/ics/asterix/transaction/management/logging/BasicLogger.java
index 3e95d6a..c9d01a0 100644
--- a/asterix-transactions/src/test/java/edu/uci/ics/asterix/transaction/management/logging/BasicLogger.java
+++ b/asterix-transactions/src/test/java/edu/uci/ics/asterix/transaction/management/logging/BasicLogger.java
@@ -14,12 +14,12 @@
*/
package edu.uci.ics.asterix.transaction.management.logging;
-import java.util.Map;
import java.util.Random;
import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
import edu.uci.ics.asterix.transaction.management.service.logging.IBuffer;
import edu.uci.ics.asterix.transaction.management.service.logging.ILogger;
+import edu.uci.ics.asterix.transaction.management.service.logging.IndexLogger.ReusableLogContentObject;
import edu.uci.ics.asterix.transaction.management.service.logging.LogicalLogLocator;
import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionContext;
@@ -29,7 +29,7 @@
private static long count = 0;
public void log(TransactionContext context, LogicalLogLocator wMemLSN, int length,
- Map<Object, Object> loggerArguments) throws ACIDException {
+ ReusableLogContentObject reusableLogContentObject) throws ACIDException {
byte[] logContent = getRandomBytes(length);
try {
@@ -66,12 +66,12 @@
return averageContentCreationTime;
}
- public void postLog(TransactionContext context, Map<Object, Object> loggerArguments) throws ACIDException {
+ public void postLog(TransactionContext context, ReusableLogContentObject reusableLogContentObject) throws ACIDException {
// TODO Auto-generated method stub
}
- public void preLog(TransactionContext context, Map<Object, Object> loggerArguments) throws ACIDException {
+ public void preLog(TransactionContext context, ReusableLogContentObject reusableLogContentObject) throws ACIDException {
// TODO Auto-generated method stub
}
diff --git a/asterix-transactions/src/test/java/edu/uci/ics/asterix/transaction/management/logging/test/RecoverySimulator.java b/asterix-transactions/src/test/java/edu/uci/ics/asterix/transaction/management/logging/test/RecoverySimulator.java
index 3a288a2..54ec036 100644
--- a/asterix-transactions/src/test/java/edu/uci/ics/asterix/transaction/management/logging/test/RecoverySimulator.java
+++ b/asterix-transactions/src/test/java/edu/uci/ics/asterix/transaction/management/logging/test/RecoverySimulator.java
@@ -18,20 +18,20 @@
import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
import edu.uci.ics.asterix.transaction.management.service.recovery.IRecoveryManager;
-import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionProvider;
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionSubsystem;
public class RecoverySimulator {
private static IRecoveryManager recoveryManager;
- public static IRecoveryManager.SystemState startRecovery() throws IOException, ACIDException {
- return recoveryManager.startRecovery(true);
+ public static void startRecovery() throws IOException, ACIDException {
+ recoveryManager.startRecovery(true);
}
public static void main(String args[]) throws IOException, ACIDException {
String id = "nc1";
try {
- TransactionProvider factory = new TransactionProvider(id);
+ TransactionSubsystem factory = new TransactionSubsystem(id, null);
IRecoveryManager recoveryManager = factory.getRecoveryManager();
recoveryManager.startRecovery(true);
} catch (ACIDException acide) {
diff --git a/asterix-transactions/src/test/java/edu/uci/ics/asterix/transaction/management/logging/test/TransactionWorkloadSimulator.java b/asterix-transactions/src/test/java/edu/uci/ics/asterix/transaction/management/logging/test/TransactionWorkloadSimulator.java
index 496260d..dcd644d 100644
--- a/asterix-transactions/src/test/java/edu/uci/ics/asterix/transaction/management/logging/test/TransactionWorkloadSimulator.java
+++ b/asterix-transactions/src/test/java/edu/uci/ics/asterix/transaction/management/logging/test/TransactionWorkloadSimulator.java
@@ -20,7 +20,6 @@
import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
import edu.uci.ics.asterix.transaction.management.logging.BasicLogger;
-import edu.uci.ics.asterix.transaction.management.resource.TransactionalResourceRepository;
import edu.uci.ics.asterix.transaction.management.service.locking.ILockManager;
import edu.uci.ics.asterix.transaction.management.service.logging.ILogManager;
import edu.uci.ics.asterix.transaction.management.service.logging.ILogRecordHelper;
@@ -28,16 +27,18 @@
import edu.uci.ics.asterix.transaction.management.service.logging.LogType;
import edu.uci.ics.asterix.transaction.management.service.logging.LogUtil;
import edu.uci.ics.asterix.transaction.management.service.logging.LogicalLogLocator;
+import edu.uci.ics.asterix.transaction.management.service.transaction.DatasetId;
import edu.uci.ics.asterix.transaction.management.service.transaction.IResourceManager;
+import edu.uci.ics.asterix.transaction.management.service.transaction.IResourceManager.ResourceType;
+import edu.uci.ics.asterix.transaction.management.service.transaction.JobIdFactory;
import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionContext;
-import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionIDFactory;
-import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionProvider;
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionSubsystem;
public class TransactionWorkloadSimulator {
public static ILogManager logManager;
public static ILockManager lockManager;
- TransactionProvider provider;
+ TransactionSubsystem provider;
public static WorkloadProperties workload;
Transaction[] transactions;
@@ -48,7 +49,7 @@
}
public void beginWorkload() throws ACIDException {
- provider = new TransactionProvider("nc1");
+ provider = new TransactionSubsystem("nc1", null);
logManager = provider.getLogManager();
lockManager = provider.getLockManager();
provider.getTransactionalResourceRepository().registerTransactionalResourceManager(DummyResourceMgr.id,
@@ -67,7 +68,7 @@
}
for (int i = 0; i < workload.numActiveThreads; i++) {
- provider.getTransactionManager().commitTransaction(transactions[i].getContext());
+ provider.getTransactionManager().commitTransaction(transactions[i].getContext(), new DatasetId(-1), -1);
}
long endTime = System.nanoTime();
@@ -97,9 +98,9 @@
class SingleTransactionContextFactory {
private static TransactionContext context;
- public static TransactionContext getContext(TransactionProvider provider) throws ACIDException {
+ public static TransactionContext getContext(TransactionSubsystem provider) throws ACIDException {
if (context == null) {
- context = new TransactionContext(TransactionIDFactory.generateTransactionId(), provider);
+ context = new TransactionContext(JobIdFactory.generateJobId(), provider);
}
return context;
}
@@ -107,8 +108,8 @@
class MultipleTransactionContextFactory {
- public static TransactionContext getContext(TransactionProvider provider) throws ACIDException {
- return new TransactionContext(TransactionIDFactory.generateTransactionId(), provider);
+ public static TransactionContext getContext(TransactionSubsystem provider) throws ACIDException {
+ return new TransactionContext(JobIdFactory.generateJobId(), provider);
}
}
@@ -121,12 +122,14 @@
LogicalLogLocator memLSN;
String name;
TransactionContext context;
- private byte[] resourceID = new byte[1];
+ //private byte[] resourceID = new byte[1];
+ private int resourceID;
private int myLogCount = 0;
- private TransactionProvider transactionProvider;
+ private TransactionSubsystem transactionProvider;
private ILogManager logManager;
+ private DatasetId tempDatasetId = new DatasetId(-1);
- public Transaction(TransactionProvider provider, String name, boolean singleTransaction) throws ACIDException {
+ public Transaction(TransactionSubsystem provider, String name, boolean singleTransaction) throws ACIDException {
this.name = name;
this.transactionProvider = provider;
if (singleTransaction) {
@@ -157,12 +160,12 @@
}
if (TransactionWorkloadSimulator.workload.singleResource) {
int choice = random.nextInt(2);
- resourceID[0] = (byte) (choice % 2);
+ resourceID = (byte) (choice % 2);
} else {
- random.nextBytes(resourceID);
+ random.nextInt(resourceID);
}
boolean retry = false;
- int lockMode = -1;
+ byte lockMode = -1;
try {
for (int i = 0; i < numLogs - 1; i++) {
int logSize = TransactionWorkloadSimulator.workload.minLogSize
@@ -174,21 +177,18 @@
byte logActionType = LogActionType.REDO_UNDO;
long pageId = 0;
if (!retry) {
- lockMode = random.nextInt(2);
+ lockMode = (byte)(random.nextInt(2));
}
- boolean lockGranted = TransactionWorkloadSimulator.lockManager.lock(context, resourceID, lockMode);
- if (!lockGranted) {
- retry = true;
- continue;
- }
- TransactionWorkloadSimulator.logManager.log(memLSN, context, ResourceMgrInfo.BTreeResourceMgrId,
- pageId, logType, logActionType, logSize, logger, null);
+ tempDatasetId.setId(resourceID);
+ TransactionWorkloadSimulator.lockManager.lock(tempDatasetId, -1, lockMode, context);
+ TransactionWorkloadSimulator.logManager.log(logType, context, resourceID,
+ -1, resourceID, ResourceType.LSM_BTREE, logSize, null, logger, memLSN);
retry = false;
Thread.currentThread().sleep(TransactionWorkloadSimulator.workload.thinkTime);
logCount.incrementAndGet();
logByteCount.addAndGet(logSize
- + TransactionWorkloadSimulator.logManager.getLogManagerProperties().getLogHeaderSize()
- + TransactionWorkloadSimulator.logManager.getLogManagerProperties().getLogChecksumSize());
+ + TransactionWorkloadSimulator.logManager.getLogRecordHelper().getLogHeaderSize(logType)
+ + TransactionWorkloadSimulator.logManager.getLogRecordHelper().getLogChecksumSize());
myLogCount++;
}
} catch (ACIDException acide) {
diff --git a/asterix-transactions/src/test/java/edu/uci/ics/asterix/transaction/management/test/FileLogger.java b/asterix-transactions/src/test/java/edu/uci/ics/asterix/transaction/management/test/FileLogger.java
index 16c5d6b..54bb0b8 100644
--- a/asterix-transactions/src/test/java/edu/uci/ics/asterix/transaction/management/test/FileLogger.java
+++ b/asterix-transactions/src/test/java/edu/uci/ics/asterix/transaction/management/test/FileLogger.java
@@ -14,11 +14,11 @@
*/
package edu.uci.ics.asterix.transaction.management.test;
-import java.util.Map;
import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
import edu.uci.ics.asterix.transaction.management.logging.IResource;
import edu.uci.ics.asterix.transaction.management.service.logging.ILogger;
+import edu.uci.ics.asterix.transaction.management.service.logging.IndexLogger.ReusableLogContentObject;
import edu.uci.ics.asterix.transaction.management.service.logging.LogicalLogLocator;
import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionContext;
@@ -39,14 +39,14 @@
}
@Override
- public void preLog(TransactionContext context, Map<Object, Object> loggerArguments) throws ACIDException {
+ public void preLog(TransactionContext context, ReusableLogContentObject reusableLogContentObject) throws ACIDException {
// TODO Auto-generated method stub
}
@Override
- public void log(TransactionContext context, final LogicalLogLocator memLSN, int logRecordSize,
- Map<Object, Object> loggerArguments) throws ACIDException {
+ public void log(TransactionContext context, final LogicalLogLocator memLSN, int logContentSize,
+ ReusableLogContentObject reusableLogContentObject) throws ACIDException {
byte[] buffer = memLSN.getBuffer().getArray();
byte[] content = logRecordContent.getBytes();
for (int i = 0; i < resource.getId().length; i++) {
@@ -58,7 +58,7 @@
}
@Override
- public void postLog(TransactionContext context, Map<Object, Object> loggerArguments) throws ACIDException {
+ public void postLog(TransactionContext context, ReusableLogContentObject reusableLogContentObject) throws ACIDException {
// TODO Auto-generated method stub
}
diff --git a/asterix-transactions/src/test/java/edu/uci/ics/asterix/transaction/management/test/LogRecordReader.java b/asterix-transactions/src/test/java/edu/uci/ics/asterix/transaction/management/test/LogRecordReader.java
index 899dbde..260e5ff 100644
--- a/asterix-transactions/src/test/java/edu/uci/ics/asterix/transaction/management/test/LogRecordReader.java
+++ b/asterix-transactions/src/test/java/edu/uci/ics/asterix/transaction/management/test/LogRecordReader.java
@@ -28,13 +28,13 @@
import edu.uci.ics.asterix.transaction.management.service.logging.LogUtil;
import edu.uci.ics.asterix.transaction.management.service.logging.LogicalLogLocator;
import edu.uci.ics.asterix.transaction.management.service.logging.PhysicalLogLocator;
-import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionProvider;
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionSubsystem;
public class LogRecordReader {
ILogManager logManager;
- public LogRecordReader(TransactionProvider factory) throws ACIDException {
+ public LogRecordReader(TransactionSubsystem factory) throws ACIDException {
logManager = factory.getLogManager();
}
@@ -51,12 +51,12 @@
return true;
}
});
- LogicalLogLocator memLSN = LogUtil.getDummyLogicalLogLocator(logManager);
+ LogicalLogLocator currentLogLocator = LogUtil.getDummyLogicalLogLocator(logManager);
int logCount = 0;
while (true) {
- boolean logValidity = logCursor.next(memLSN);
+ boolean logValidity = logCursor.next(currentLogLocator);
if (logValidity) {
- System.out.println(++logCount + parser.getLogRecordForDisplay(memLSN));
+ System.out.println(++logCount + parser.getLogRecordForDisplay(currentLogLocator));
} else {
break;
}
@@ -64,7 +64,8 @@
}
public void readLogRecord(long lsnValue) throws IOException, ACIDException {
- LogicalLogLocator memLSN = logManager.readLog(new PhysicalLogLocator(lsnValue, logManager));
+ LogicalLogLocator memLSN = null;
+ logManager.readLog(lsnValue, memLSN);
System.out.println(logManager.getLogRecordHelper().getLogRecordForDisplay(memLSN));
}
@@ -72,16 +73,13 @@
* @param args
*/
public static void main(String[] args) throws ACIDException, Exception {
- long lsnValue = 10747454;
- String id = "nc1";
- String logDir = "/home/raman/research/work/hyracks-branches/svn/trunk/hyracks/asterix_logs/";
Properties props = new Properties();
- props.setProperty(LogManagerProperties.LOG_DIR_KEY, logDir + "/" + id);
+ props.setProperty(LogManagerProperties.LOG_DIR_KEY,
+ "/home/kisskys/workspace/lsm_merge/asterix_lsm_stabilization/debug/asterix_logs/nc1");
LogManagerProperties logProps = new LogManagerProperties(props);
LogManager logManager = new LogManager(null, logProps);
LogRecordReader logReader = new LogRecordReader(logManager);
logReader.readLogs(0);
- // logReader.readLogRecord(1703620);
}
}
diff --git a/asterix-transactions/src/test/java/edu/uci/ics/asterix/transaction/management/test/TransactionSimulator.java b/asterix-transactions/src/test/java/edu/uci/ics/asterix/transaction/management/test/TransactionSimulator.java
index ffa5af6..092f2ed 100644
--- a/asterix-transactions/src/test/java/edu/uci/ics/asterix/transaction/management/test/TransactionSimulator.java
+++ b/asterix-transactions/src/test/java/edu/uci/ics/asterix/transaction/management/test/TransactionSimulator.java
@@ -19,21 +19,22 @@
import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
import edu.uci.ics.asterix.transaction.management.logging.IResource;
-import edu.uci.ics.asterix.transaction.management.resource.TransactionalResourceRepository;
import edu.uci.ics.asterix.transaction.management.service.locking.ILockManager;
import edu.uci.ics.asterix.transaction.management.service.logging.ILogManager;
import edu.uci.ics.asterix.transaction.management.service.logging.ILogger;
-import edu.uci.ics.asterix.transaction.management.service.logging.LogActionType;
import edu.uci.ics.asterix.transaction.management.service.logging.LogType;
import edu.uci.ics.asterix.transaction.management.service.logging.LogUtil;
import edu.uci.ics.asterix.transaction.management.service.logging.LogicalLogLocator;
import edu.uci.ics.asterix.transaction.management.service.recovery.IRecoveryManager;
import edu.uci.ics.asterix.transaction.management.service.recovery.IRecoveryManager.SystemState;
+import edu.uci.ics.asterix.transaction.management.service.transaction.DatasetId;
import edu.uci.ics.asterix.transaction.management.service.transaction.IResourceManager;
+import edu.uci.ics.asterix.transaction.management.service.transaction.IResourceManager.ResourceType;
import edu.uci.ics.asterix.transaction.management.service.transaction.ITransactionManager;
+import edu.uci.ics.asterix.transaction.management.service.transaction.JobId;
+import edu.uci.ics.asterix.transaction.management.service.transaction.JobIdFactory;
import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionContext;
-import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionIDFactory;
-import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionProvider;
+import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionSubsystem;
public class TransactionSimulator {
@@ -45,11 +46,11 @@
private ILogger logger;
private IResource resource;
private LogicalLogLocator memLSN;
- private TransactionProvider transactionProvider;
+ private TransactionSubsystem transactionProvider;
public TransactionSimulator(IResource resource, IResourceManager resourceMgr) throws ACIDException {
String id = "nc1";
- transactionProvider = new TransactionProvider(id);
+ transactionProvider = new TransactionSubsystem(id, null);
transactionManager = transactionProvider.getTransactionManager();
logManager = transactionProvider.getLogManager();
lockManager = transactionProvider.getLockManager();
@@ -63,8 +64,8 @@
}
public TransactionContext beginTransaction() throws ACIDException {
- long transactionId = TransactionIDFactory.generateTransactionId();
- return transactionManager.beginTransaction(transactionId);
+ JobId jobId = JobIdFactory.generateJobId();
+ return transactionManager.beginTransaction(jobId);
}
public void executeTransactionOperation(TransactionContext txnContext, FileResource.CounterOperation operation)
@@ -77,15 +78,13 @@
case INCREMENT:
finalValue = currentValue + 1;
int logRecordLength = ((FileLogger) logger).generateLogRecordContent(currentValue, finalValue);
- logManager.log(memLSN, txnContext, FileResourceManager.id, 0, LogType.UPDATE, LogActionType.REDO_UNDO,
- logRecordLength, logger, null);
+ logManager.log(LogType.UPDATE, txnContext, 1, -1, 1, ResourceType.LSM_BTREE, 0, null, logger, memLSN);
((FileResource) resource).increment();
break;
case DECREMENT:
finalValue = currentValue - 1;
logRecordLength = ((FileLogger) logger).generateLogRecordContent(currentValue, finalValue);
- logManager.log(memLSN, txnContext, FileResourceManager.id, 0, LogType.UPDATE, LogActionType.REDO_UNDO,
- logRecordLength, logger, null);
+ logManager.log(LogType.UPDATE, txnContext, 1, -1, 1, ResourceType.LSM_BTREE, 0, null, logger, memLSN);
((FileResource) resource).decrement();
break;
}
@@ -93,13 +92,12 @@
}
public void commitTransaction(TransactionContext context) throws ACIDException {
- transactionManager.commitTransaction(context);
+ transactionManager.commitTransaction(context, new DatasetId(-1), -1);
}
- public SystemState recover() throws ACIDException, IOException {
- SystemState state = recoveryManager.startRecovery(true);
+ public void recover() throws ACIDException, IOException {
+ recoveryManager.startRecovery(true);
((FileResource) resource).sync();
- return state;
}
/**
@@ -126,8 +124,7 @@
}
int finalExpectedValue = existingValue + schedule.getDeltaChange();
- SystemState state = txnSimulator.recover();
- System.out.println(" State is " + state);
+ txnSimulator.recover();
boolean isCorrect = ((FileResource) resource).checkIfValueInSync(finalExpectedValue);
System.out.println(" Did recovery happen correctly " + isCorrect);
}
diff --git a/diff_file b/diff_file
new file mode 100644
index 0000000..e0e6714
--- /dev/null
+++ b/diff_file
@@ -0,0 +1,4486 @@
+Index: asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/TransactionManager.java
+===================================================================
+--- asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/TransactionManager.java (revision 1194)
++++ asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/TransactionManager.java (working copy)
+@@ -103,12 +103,14 @@
+ //for entity-level commit
+ if (PKHashVal != -1) {
+ transactionProvider.getLockManager().unlock(datasetId, PKHashVal, txnContext, true);
++ /*****************************
+ try {
+ //decrease the transaction reference count on index
+ txnContext.decreaseActiveTransactionCountOnIndexes();
+ } catch (HyracksDataException e) {
+ throw new ACIDException("failed to complete index operation", e);
+ }
++ *****************************/
+ return;
+ }
+
+Index: asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/TransactionContext.java
+===================================================================
+--- asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/TransactionContext.java (revision 1194)
++++ asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/TransactionContext.java (working copy)
+@@ -19,6 +19,7 @@
+ import java.util.HashSet;
+ import java.util.List;
+ import java.util.Set;
++import java.util.concurrent.atomic.AtomicInteger;
+
+ import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
+ import edu.uci.ics.asterix.transaction.management.opcallbacks.AbstractOperationCallback;
+@@ -169,5 +170,14 @@
+ closeable.close(this);
+ }
+ }
++
++ @Override
++ public int hashCode() {
++ return jobId.getId();
++ }
+
++ @Override
++ public boolean equals(Object o) {
++ return (o == this);
++ }
+ }
+Index: asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/LockManager.java
+===================================================================
+--- asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/LockManager.java (revision 1194)
++++ asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/LockManager.java (working copy)
+@@ -567,7 +567,7 @@
+ if (commitFlag) {
+ if (txnContext.getTransactionType().equals(TransactionContext.TransactionType.READ_WRITE)) {
+ try {
+- txnSubsystem.getLogManager().log(LogType.COMMIT, txnContext, datasetId.getId(),
++ txnSubsystem.getLogManager().log(LogType.ENTITY_COMMIT, txnContext, datasetId.getId(),
+ entityHashValue, -1, (byte) 0, 0, null, null, logicalLogLocator);
+ } catch (ACIDException e) {
+ try {
+Index: asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/FileBasedBuffer.java
+===================================================================
+--- asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/FileBasedBuffer.java (revision 1194)
++++ asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/FileBasedBuffer.java (working copy)
+@@ -75,6 +75,7 @@
+ buffer.position(0);
+ buffer.limit(size);
+ fileChannel.write(buffer);
++ fileChannel.force(false);
+ erase();
+ }
+
+Index: asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogManager.java
+===================================================================
+--- asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogManager.java (revision 1194)
++++ asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogManager.java (working copy)
+@@ -1,5 +1,5 @@
+ /*
+- * Copyright 2009-2010 by The Regents of the University of California
++ * Copyright 2009-2012 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+@@ -21,7 +21,12 @@
+ import java.io.RandomAccessFile;
+ import java.nio.ByteBuffer;
+ import java.nio.channels.FileChannel;
++import java.util.ArrayList;
++import java.util.HashMap;
++import java.util.List;
++import java.util.Map;
+ import java.util.Properties;
++import java.util.Set;
+ import java.util.concurrent.LinkedBlockingQueue;
+ import java.util.concurrent.atomic.AtomicInteger;
+ import java.util.concurrent.atomic.AtomicLong;
+@@ -30,22 +35,25 @@
+
+ import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
+ import edu.uci.ics.asterix.transaction.management.service.logging.IndexLogger.ReusableLogContentObject;
++import edu.uci.ics.asterix.transaction.management.service.logging.LogManager.PageOwnershipStatus;
++import edu.uci.ics.asterix.transaction.management.service.logging.LogManager.PageState;
+ import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionContext;
+ import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionManagementConstants;
+ import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionSubsystem;
++import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+
+ public class LogManager implements ILogManager {
+
+ public static final boolean IS_DEBUG_MODE = false;//true
+ private static final Logger LOGGER = Logger.getLogger(LogManager.class.getName());
+- private TransactionSubsystem provider;
++ private final TransactionSubsystem provider;
+ private LogManagerProperties logManagerProperties;
++ private LogPageFlushThread logPageFlusher;
+
+ /*
+ * the array of log pages. The number of log pages is configurable. Pages
+ * taken together form an in-memory log buffer.
+ */
+-
+ private IFileBasedBuffer[] logPages;
+
+ private ILogRecordHelper logRecordHelper;
+@@ -54,6 +62,7 @@
+ * Number of log pages that constitute the in-memory log buffer.
+ */
+ private int numLogPages;
++
+ /*
+ * Initially all pages have an owner count of 1 that is the LogManager. When
+ * a transaction requests to write in a log page, the owner count is
+@@ -62,12 +71,11 @@
+ * (covering the whole log record). When the content has been put, the log
+ * manager computes the checksum and puts it after the content. At this
+ * point, the ownership count is decremented as the transaction is done with
+- * using the page. When a page is full, the log manager decrements the count
+- * by one indicating that it has released its ownership of the log page.
+- * There could be other transaction(s) still owning the page (that is they
+- * could still be mid-way putting the log content). When the ownership count
+- * eventually reaches zero, the thread responsible for flushing the log page
+- * is notified and the page is flushed to disk.
++ * using the page. When a page is requested to be flushed, logPageFlusher
++ * set the count to 0(LOG_FLUSHER: meaning that the page is being flushed)
++ * only if the count is 1(LOG_WRITER: meaning that there is no other
++ * transactions who own the page to write logs.) After flushing the page,
++ * logPageFlusher set this count to 1.
+ */
+ private AtomicInteger[] logPageOwnerCount;
+
+@@ -78,18 +86,16 @@
+
+ /*
+ * LogPageStatus: A page is either ACTIVE or INACTIVE. The status for each
+- * page is maintained in a map called logPageStatus. A page is ACTIVE when
+- * the LogManager can allocate space in the page for writing a log record.
+- * Initially all pages are ACTIVE. As transactions fill up space by writing
+- * log records, a page may not have sufficient space left for serving a
+- * request by a transaction. When this happens, the page is marked INACTIVE.
+- * An INACTIVE page with no owners ( logPageOwnerCount.get(<pageIndex>) ==
+- * 0) indicates that the page must be flushed to disk before any other log
+- * record is written on the page.F
++ * page is maintained in logPageStatus. A page is ACTIVE when the LogManager
++ * can allocate space in the page for writing a log record. Initially all
++ * pages are ACTIVE. As transactions fill up space by writing log records,
++ * a page may not have sufficient space left for serving a request by a
++ * transaction. When this happens, the page is flushed to disk by calling
++ * logPageFlusher.requestFlush(). In the requestFlush(), after groupCommitWaitTime,
++ * the page status is set to INACTIVE. Then, there is no more writer on the
++ * page(meaning the corresponding logPageOwnerCount is 1), the page is flushed
++ * by the logPageFlusher and the status is reset to ACTIVE by the logPageFlusher.
+ */
+-
+- // private Map<Integer, Integer> logPageStatus = new
+- // ConcurrentHashMap<Integer, Integer>();
+ private AtomicInteger[] logPageStatus;
+
+ static class PageState {
+@@ -98,41 +104,8 @@
+ }
+
+ private AtomicLong lastFlushedLsn = new AtomicLong(-1);
+- private AtomicInteger lastFlushedPage = new AtomicInteger(-1);
+
+ /*
+- * pendingFlushRequests is a map with key as Integer denoting the page
+- * index. When a (transaction) thread discovers the need to flush a page, it
+- * puts its Thread object into the corresponding value that is a
+- * LinkedBlockingQueue. The LogManager has a LogFlusher thread that scans
+- * this map in order of page index (and circling around). The flusher thread
+- * needs to flush pages in order and waits for a thread to deposit an object
+- * in the blocking queue corresponding to the next page in order. A request
+- * to flush a page is conveyed to the flush thread by simply depositing an
+- * object in to corresponding blocking queue. It is blocking in the sense
+- * that the flusher thread will continue to wait for an object to arrive in
+- * the queue. The object itself is ignored by the fliusher and just acts as
+- * a signal/event that a page needs to be flushed.
+- */
+-
+- private LinkedBlockingQueue[] pendingFlushRequests;
+-
+- /*
+- * ICommitResolver is an interface that provides an API that can answer a
+- * simple boolean - Given the commit requests so far, should a page be
+- * flushed. The implementation of the interface contains the logic (or you
+- * can say the policy) for commit. It could be group commit in which case
+- * the commit resolver may not return a true indicating that it wishes to
+- * delay flushing of the page.
+- */
+- private ICommitResolver commitResolver;
+-
+- /*
+- * An object that keeps track of the submitted commit requests.
+- */
+- private CommitRequestStatistics commitRequestStatistics;
+-
+- /*
+ * When the transaction eco-system comes to life, the log manager positions
+ * itself to the end of the last written log. the startingLsn represent the
+ * lsn value of the next log record to be written after a system (re)start.
+@@ -146,16 +119,10 @@
+ */
+ private AtomicLong lsn = new AtomicLong(0);
+
+- /*
+- * A map that tracks the flush requests submitted for each page. The
+- * requests for a page are cleared when the page is flushed.
+- */
+- public LinkedBlockingQueue<Thread> getPendingFlushRequests(int pageIndex) {
+- return pendingFlushRequests[pageIndex];
+- }
++ private List<HashMap<TransactionContext, Integer>> activeTxnCountMaps;
+
+- public void addFlushRequest(int pageIndex) {
+- pendingFlushRequests[pageIndex].add(pendingFlushRequests);
++ public void addFlushRequest(int pageIndex, long lsn, boolean isSynchronous) {
++ logPageFlusher.requestFlush(pageIndex, lsn, isSynchronous);
+ }
+
+ public AtomicLong getLastFlushedLsn() {
+@@ -233,19 +200,12 @@
+ numLogPages = logManagerProperties.getNumLogPages();
+ logPageOwnerCount = new AtomicInteger[numLogPages];
+ logPageStatus = new AtomicInteger[numLogPages];
+- pendingFlushRequests = new LinkedBlockingQueue[numLogPages];
+- if (logManagerProperties.getGroupCommitWaitPeriod() > 0) { // configure
+- // the
+- // Commit
+- // Resolver
+- commitResolver = new GroupCommitResolver(); // Group Commit is
+- // enabled
+- commitRequestStatistics = new CommitRequestStatistics(numLogPages);
+- } else {
+- commitResolver = new BasicCommitResolver(); // the basic commit
+- // resolver
++
++ activeTxnCountMaps = new ArrayList<HashMap<TransactionContext, Integer>>(numLogPages);
++ for (int i = 0; i < numLogPages; i++) {
++ activeTxnCountMaps.add(new HashMap<TransactionContext, Integer>());
+ }
+- this.commitResolver.init(this); // initialize the commit resolver
++
+ logPages = new FileBasedBuffer[numLogPages];
+
+ /*
+@@ -264,7 +224,6 @@
+ for (int i = 0; i < numLogPages; i++) {
+ logPageOwnerCount[i] = new AtomicInteger(PageOwnershipStatus.LOG_WRITER);
+ logPageStatus[i] = new AtomicInteger(PageState.ACTIVE);
+- pendingFlushRequests[i] = new LinkedBlockingQueue<Thread>();
+ }
+
+ /*
+@@ -278,9 +237,9 @@
+ * daemon thread so that it does not stop the JVM from exiting when all
+ * other threads are done with their work.
+ */
+- LogPageFlushThread logFlusher = new LogPageFlushThread(this);
+- logFlusher.setDaemon(true);
+- logFlusher.start();
++ logPageFlusher = new LogPageFlushThread(this);
++ logPageFlusher.setDaemon(true);
++ logPageFlusher.start();
+ }
+
+ public int getLogPageIndex(long lsnValue) {
+@@ -312,7 +271,7 @@
+ */
+ private void waitUntillPageIsAvailableForWritingLog(int pageIndex) throws ACIDException {
+ if (logPageStatus[pageIndex].get() == PageState.ACTIVE
+- && getLogPageOwnershipCount(pageIndex).get() >= PageOwnershipStatus.LOG_WRITER) {
++ && logPageOwnerCount[pageIndex].get() >= PageOwnershipStatus.LOG_WRITER) {
+ return;
+ }
+ try {
+@@ -338,47 +297,40 @@
+ */
+ private long getLsn(int entrySize, byte logType) throws ACIDException {
+ long pageSize = logManagerProperties.getLogPageSize();
+- boolean requiresFlushing = logType == LogType.COMMIT;
++
+ while (true) {
+ boolean forwardPage = false;
+- boolean shouldFlushPage = false;
+ long old = lsn.get();
+- int pageIndex = getLogPageIndex(old); // get the log page
+- // corresponding to the
+- // current lsn value
++
++ //get the log page corresponding to the current lsn value
++ int pageIndex = getLogPageIndex(old);
+ long retVal = old;
+- long next = old + entrySize; // the lsn value for the next request,
+- // if the current request is served.
++
++ // the lsn value for the next request if the current request is served.
++ long next = old + entrySize;
+ int prevPage = -1;
+- if ((next - 1) / pageSize != old / pageSize // check if the log
+- // record will cross
+- // page boundaries, a
+- // case that is not
+- // allowed.
+- || (next % pageSize == 0)) {
++
++ // check if the log record will cross page boundaries, a case that is not allowed.
++ if ((next - 1) / pageSize != old / pageSize || (next % pageSize == 0)) {
++
+ if ((old != 0 && old % pageSize == 0)) {
+- retVal = old; // On second thought, this shall never be the
+- // case as it means that the lsn is
+- // currently at the beginning of a page and
+- // we still need to forward the page which
+- // means that the entrySize exceeds a log
+- // page size. If this is the case, an
+- // exception is thrown before calling this
+- // API.
+- // would remove this case.
++ // On second thought, this shall never be the case as it means that the lsn is
++ // currently at the beginning of a page and we still need to forward the page which
++ // means that the entrySize exceeds a log page size. If this is the case, an
++ // exception is thrown before calling this API. would remove this case.
++ retVal = old;
+
+ } else {
+- retVal = ((old / pageSize) + 1) * pageSize; // set the lsn
+- // to point to
+- // the beginning
+- // of the next
+- // page.
++ // set the lsn to point to the beginning of the next page.
++ retVal = ((old / pageSize) + 1) * pageSize;
+ }
++
+ next = retVal;
+- forwardPage = true; // as the log record shall cross log page
+- // boundary, we must re-assign the lsn (so
+- // that the log record begins on a different
+- // location.
++
++ // as the log record shall cross log page boundary, we must re-assign the lsn so
++ // that the log record begins on a different location.
++ forwardPage = true;
++
+ prevPage = pageIndex;
+ pageIndex = getNextPageInSequence(pageIndex);
+ }
+@@ -397,109 +349,51 @@
+ */
+ waitUntillPageIsAvailableForWritingLog(pageIndex);
+
+- if (!forwardPage && requiresFlushing) {
+- shouldFlushPage = commitResolver.shouldCommitPage(pageIndex, this, commitRequestStatistics);
+- if (shouldFlushPage) {
+- next = ((next / pageSize) + 1) * pageSize; /*
+- * next
+- * represents the
+- * next value of
+- * lsn after this
+- * log record has
+- * been written.
+- * If the page
+- * needs to be
+- * flushed, then
+- * we do not give
+- * any more LSNs
+- * from this
+- * page.
+- */
+- }
+- }
+- if (!lsn.compareAndSet(old, next)) { // Atomic call -> returns true
+- // only when the value
+- // represented by lsn is same as
+- // "old". The value is updated
+- // to "next".
++ if (!lsn.compareAndSet(old, next)) {
++ // Atomic call -> returns true only when the value represented by lsn is same as
++ // "old". The value is updated to "next".
+ continue;
+ }
+
+ if (forwardPage) {
+- //TODO
+- //this is not safe since the incoming thread may reach the same page slot with this page
+- //(differ by the log buffer size)
+- logPageStatus[prevPage].set(PageState.INACTIVE); // mark
+- // previous
+- // page
+- // inactive
++ addFlushRequest(prevPage, old, false);
+
+- /*
+- * decrement on the behalf of the log manager. if there are no
+- * more owners (count == 0) the page must be marked as a
+- * candidate to be flushed.
+- */
+- int pageDirtyCount = getLogPageOwnershipCount(prevPage).decrementAndGet();
+- if (pageDirtyCount == 0) {
+- addFlushRequest(prevPage);
+- }
+-
+- /*
+- * The transaction thread that discovers the need to forward a
+- * page is made to re-acquire a lsn.
+- */
++ // The transaction thread that discovers the need to forward a
++ // page is made to re-acquire a lsn.
+ continue;
++
+ } else {
+- /*
+- * the transaction thread has been given a space in a log page,
+- * but is made to wait until the page is available.
+- */
++ // the transaction thread has been given a space in a log page,
++ // but is made to wait until the page is available.
++ // (Is this needed? when does this wait happen?)
+ waitUntillPageIsAvailableForWritingLog(pageIndex);
+- /*
+- * increment the counter as the transaction thread now holds a
+- * space in the log page and hence is an owner.
+- */
++
++ // increment the counter as the transaction thread now holds a
++ // space in the log page and hence is an owner.
+ logPageOwnerCount[pageIndex].incrementAndGet();
+- }
+- if (requiresFlushing) {
+- if (!shouldFlushPage) {
+- /*
+- * the log record requires the page to be flushed but under
+- * the commit policy, the flush task has been deferred. The
+- * transaction thread submits its request to flush the page.
+- */
+- commitRequestStatistics.registerCommitRequest(pageIndex);
+- } else {
+- /*
+- * the flush request was approved by the commit resolver.
+- * Thus the page is marked INACTIVE as no more logs will be
+- * written on this page. The log manager needs to release
+- * its ownership. Note that transaction threads may still
+- * continue to be owners of the log page till they fill up
+- * the space allocated to them.
+- */
+- logPageStatus[pageIndex].set(PageState.INACTIVE);
+- logPageOwnerCount[pageIndex].decrementAndGet(); // on
+- // the
+- // behalf
+- // of
+- // log
+- // manager
++
++ // Before the count is incremented, if the flusher flushed the allocated page,
++ // then retry to get new LSN. Otherwise, the log with allocated lsn will be lost.
++ if (lastFlushedLsn.get() >= retVal) {
++ logPageOwnerCount[pageIndex].decrementAndGet();
++ continue;
+ }
+ }
++
+ return retVal;
+ }
+ }
+
+ @Override
+- public void log(byte logType, TransactionContext context, int datasetId, int PKHashValue, long resourceId,
++ public void log(byte logType, TransactionContext txnCtx, int datasetId, int PKHashValue, long resourceId,
+ byte resourceMgrId, int logContentSize, ReusableLogContentObject reusableLogContentObject, ILogger logger,
+ LogicalLogLocator logicalLogLocator) throws ACIDException {
+- /*
+- * logLocator is a re-usable object that is appropriately set in each
+- * invocation. If the reference is null, the log manager must throw an
+- * exception
+- */
++
++ HashMap<TransactionContext, Integer> map = null;
++ int activeTxnCount;
++
++ // logLocator is a re-usable object that is appropriately set in each invocation.
++ // If the reference is null, the log manager must throw an exception.
+ if (logicalLogLocator == null) {
+ throw new ACIDException(
+ " you need to pass in a non-null logLocator, if you dont have it, then pass in a dummy so that the +"
+@@ -519,20 +413,19 @@
+
+ // all constraints checked and we are good to go and acquire a lsn.
+ long previousLSN = -1;
+- long currentLSN; // the will be set to the location (a long value)
+- // where the log record needs to be placed.
+
+- /*
+- * The logs written by a transaction need to be linked to each other for
+- * a successful rollback/recovery. However there could be multiple
+- * threads operating concurrently that are part of a common transaction.
+- * These threads need to synchronize and record the lsn corresponding to
+- * the last log record written by (any thread of) the transaction.
+- */
+- synchronized (context) {
+- previousLSN = context.getLastLogLocator().getLsn();
++ // the will be set to the location (a long value) where the log record needs to be placed.
++ long currentLSN;
++
++ // The logs written by a transaction need to be linked to each other for
++ // a successful rollback/recovery. However there could be multiple
++ // threads operating concurrently that are part of a common transaction.
++ // These threads need to synchronize and record the lsn corresponding to
++ // the last log record written by (any thread of) the transaction.
++ synchronized (txnCtx) {
++ previousLSN = txnCtx.getLastLogLocator().getLsn();
+ currentLSN = getLsn(totalLogSize, logType);
+- context.setLastLSN(currentLSN);
++ txnCtx.setLastLSN(currentLSN);
+ if (IS_DEBUG_MODE) {
+ System.out.println("--------------> LSN(" + currentLSN + ") is allocated");
+ }
+@@ -547,48 +440,37 @@
+ * performed correctly that is ownership is released.
+ */
+
+- boolean decremented = false; // indicates if the transaction thread
+- // has release ownership of the
+- // page.
+- boolean addedFlushRequest = false; // indicates if the transaction
+- // thread has submitted a flush
+- // request.
++ // indicates if the transaction thread has release ownership of the page.
++ boolean decremented = false;
+
+ int pageIndex = (int) getLogPageIndex(currentLSN);
+
+- /*
+- * the lsn has been obtained for the log record. need to set the
+- * LogLocator instance accordingly.
+- */
+-
++ // the lsn has been obtained for the log record. need to set the
++ // LogLocator instance accordingly.
+ try {
+-
+ logicalLogLocator.setBuffer(logPages[pageIndex]);
+ int pageOffset = getLogPageOffset(currentLSN);
+ logicalLogLocator.setMemoryOffset(pageOffset);
+
+- /*
+- * write the log header.
+- */
+- logRecordHelper.writeLogHeader(logicalLogLocator, logType, context, datasetId, PKHashValue, previousLSN,
++ // write the log header.
++ logRecordHelper.writeLogHeader(logicalLogLocator, logType, txnCtx, datasetId, PKHashValue, previousLSN,
+ resourceId, resourceMgrId, logContentSize);
+
+ // increment the offset so that the transaction can fill up the
+ // content in the correct region of the allocated space.
+ logicalLogLocator.increaseMemoryOffset(logRecordHelper.getLogHeaderSize(logType));
+
+- // a COMMIT log record does not have any content
+- // and hence the logger (responsible for putting the log content) is
+- // not invoked.
++ // a COMMIT log record does not have any content and hence
++ // the logger (responsible for putting the log content) is not invoked.
+ if (logContentSize != 0) {
+- logger.preLog(context, reusableLogContentObject);
++ logger.preLog(txnCtx, reusableLogContentObject);
+ }
+
+ if (logContentSize != 0) {
+ // call the logger implementation and ask to fill in the log
+ // record content at the allocated space.
+- logger.log(context, logicalLogLocator, logContentSize, reusableLogContentObject);
+- logger.postLog(context, reusableLogContentObject);
++ logger.log(txnCtx, logicalLogLocator, logContentSize, reusableLogContentObject);
++ logger.postLog(txnCtx, reusableLogContentObject);
+ if (IS_DEBUG_MODE) {
+ logicalLogLocator.setMemoryOffset(logicalLogLocator.getMemoryOffset()
+ - logRecordHelper.getLogHeaderSize(logType));
+@@ -597,10 +479,8 @@
+ }
+ }
+
+- /*
+- * The log record has been written. For integrity checks, compute
+- * the checksum and put it at the end of the log record.
+- */
++ // The log record has been written. For integrity checks, compute
++ // the checksum and put it at the end of the log record.
+ int startPosChecksum = logicalLogLocator.getMemoryOffset() - logRecordHelper.getLogHeaderSize(logType);
+ int length = totalLogSize - logRecordHelper.getLogChecksumSize();
+ long checksum = DataUtil.getChecksum(logPages[pageIndex], startPosChecksum, length);
+@@ -611,46 +491,31 @@
+ System.out.println("--------------> LSN(" + currentLSN + ") is written");
+ }
+
+- /*
+- * release the ownership as the log record has been placed in
+- * created space.
+- */
+- int pageDirtyCount = logPageOwnerCount[pageIndex].decrementAndGet();
++ // release the ownership as the log record has been placed in created space.
++ logPageOwnerCount[pageIndex].decrementAndGet();
+
+ // indicating that the transaction thread has released ownership
+ decremented = true;
+
+- /*
+- * If the transaction thread happens to be the last owner of the log
+- * page the page must by marked as a candidate to be flushed.
+- */
+- if (pageDirtyCount == 0 && logPageStatus[pageIndex].get() == PageState.INACTIVE) {
+- addFlushRequest(pageIndex);
+- addedFlushRequest = true;
+- }
+-
+- /*
+- * If the log type is commit, a flush request is registered, if the
+- * log record has not reached the disk. It may be possible that this
+- * thread does not get CPU cycles and in-between the log record has
+- * been flushed to disk because the containing log page filled up.
+- */
+- if (logType == LogType.COMMIT) {
+- synchronized (logPages[pageIndex]) {
+- while (getLastFlushedLsn().get() < currentLSN) {
+- logPages[pageIndex].wait();
+- }
++ if (logType == LogType.ENTITY_COMMIT) {
++ map = activeTxnCountMaps.get(pageIndex);
++ if (map.containsKey(txnCtx)) {
++ activeTxnCount = (Integer) map.get(txnCtx);
++ activeTxnCount++;
++ map.put(txnCtx, activeTxnCount);
++ } else {
++ map.put(txnCtx, 1);
+ }
++ addFlushRequest(pageIndex, currentLSN, false);
++ } else if (logType == LogType.COMMIT) {
++ addFlushRequest(pageIndex, currentLSN, true);
+ }
+
+ } catch (Exception e) {
+ e.printStackTrace();
+- throw new ACIDException(context, "Thread: " + Thread.currentThread().getName()
++ throw new ACIDException(txnCtx, "Thread: " + Thread.currentThread().getName()
+ + " logger encountered exception", e);
+ } finally {
+- /*
+- * If an exception was encountered and we did not release ownership
+- */
+ if (!decremented) {
+ logPageOwnerCount[pageIndex].decrementAndGet();
+ }
+@@ -667,9 +532,6 @@
+
+ logPages[pageIndex].reset(filePath, LogUtil.getFileOffset(this, nextWritePosition),
+ logManagerProperties.getLogPageSize());
+-
+- //TODO Check if this is necessary
+- //Arrays.fill(logPages[pageIndex].getArray(), (byte) 0);
+ }
+
+ @Override
+@@ -747,16 +609,13 @@
+ //minimize memory allocation overhead. current code allocates the log page size per reading a log record.
+
+ byte[] pageContent = new byte[logManagerProperties.getLogPageSize()];
+- // take a lock on the log page so that the page is not flushed to
+- // disk interim
++
++ // take a lock on the log page so that the page is not flushed to disk interim
+ synchronized (logPages[pageIndex]) {
+- if (lsnValue > getLastFlushedLsn().get()) { // need to check
+- // again
+- // (this
+- // thread may have got
+- // de-scheduled and must
+- // refresh!)
+
++ // need to check again (this thread may have got de-scheduled and must refresh!)
++ if (lsnValue > getLastFlushedLsn().get()) {
++
+ // get the log record length
+ logPages[pageIndex].getBytes(pageContent, 0, pageContent.length);
+ byte logType = pageContent[pageOffset + 4];
+@@ -765,9 +624,7 @@
+ int logRecordSize = logHeaderSize + logBodySize + logRecordHelper.getLogChecksumSize();
+ logRecord = new byte[logRecordSize];
+
+- /*
+- * copy the log record content
+- */
++ // copy the log record content
+ System.arraycopy(pageContent, pageOffset, logRecord, 0, logRecordSize);
+ MemBasedBuffer memBuffer = new MemBasedBuffer(logRecord);
+ if (logicalLogLocator == null) {
+@@ -790,9 +647,7 @@
+ }
+ }
+
+- /*
+- * the log record is residing on the disk, read it from there.
+- */
++ // the log record is residing on the disk, read it from there.
+ readDiskLog(lsnValue, logicalLogLocator);
+ }
+
+@@ -860,30 +715,40 @@
+ return logPageOwnerCount[pageIndex];
+ }
+
+- public ICommitResolver getCommitResolver() {
+- return commitResolver;
+- }
+-
+- public CommitRequestStatistics getCommitRequestStatistics() {
+- return commitRequestStatistics;
+- }
+-
+ public IFileBasedBuffer[] getLogPages() {
+ return logPages;
+ }
+
+- public int getLastFlushedPage() {
+- return lastFlushedPage.get();
+- }
+-
+- public void setLastFlushedPage(int lastFlushedPage) {
+- this.lastFlushedPage.set(lastFlushedPage);
+- }
+-
+ @Override
+ public TransactionSubsystem getTransactionSubsystem() {
+ return provider;
+ }
++
++ public void decrementActiveTxnCountOnIndexes(int pageIndex) throws HyracksDataException {
++ TransactionContext ctx = null;
++ int count = 0;
++ int i = 0;
++
++ HashMap<TransactionContext, Integer> map = activeTxnCountMaps.get(pageIndex);
++ Set<Map.Entry<TransactionContext, Integer>> entrySet = map.entrySet();
++ if (entrySet != null) {
++ for (Map.Entry<TransactionContext, Integer> entry : entrySet) {
++ if (entry != null) {
++ if (entry.getValue() != null) {
++ count = entry.getValue();
++ }
++ if (count > 0) {
++ ctx = entry.getKey();
++ for (i = 0; i < count; i++) {
++ ctx.decreaseActiveTransactionCountOnIndexes();
++ }
++ }
++ }
++ }
++ }
++
++ map.clear();
++ }
+ }
+
+ /*
+@@ -895,36 +760,82 @@
+ class LogPageFlushThread extends Thread {
+
+ private LogManager logManager;
++ /*
++ * pendingFlushRequests is a map with key as Integer denoting the page
++ * index. When a (transaction) thread discovers the need to flush a page, it
++ * puts its Thread object into the corresponding value that is a
++ * LinkedBlockingQueue. The LogManager has a LogFlusher thread that scans
++ * this map in order of page index (and circling around). The flusher thread
++ * needs to flush pages in order and waits for a thread to deposit an object
++ * in the blocking queue corresponding to the next page in order. A request
++ * to flush a page is conveyed to the flush thread by simply depositing an
++ * object in to corresponding blocking queue. It is blocking in the sense
++ * that the flusher thread will continue to wait for an object to arrive in
++ * the queue. The object itself is ignored by the fliusher and just acts as
++ * a signal/event that a page needs to be flushed.
++ */
++ private final LinkedBlockingQueue<Object>[] flushRequestQueue;
++ private final Object[] flushRequests;
++ private int lastFlushedPageIndex;
++ private final long groupCommitWaitPeriod;
+
+ public LogPageFlushThread(LogManager logManager) {
+ this.logManager = logManager;
+ setName("Flusher");
++ int numLogPages = logManager.getLogManagerProperties().getNumLogPages();
++ this.flushRequestQueue = new LinkedBlockingQueue[numLogPages];
++ this.flushRequests = new Object[numLogPages];
++ for (int i = 0; i < numLogPages; i++) {
++ flushRequestQueue[i] = new LinkedBlockingQueue<Object>(1);
++ flushRequests[i] = new Object();
++ }
++ this.lastFlushedPageIndex = -1;
++ groupCommitWaitPeriod = logManager.getLogManagerProperties().getGroupCommitWaitPeriod();
+ }
+
++ public void requestFlush(int pageIndex, long lsn, boolean isSynchronous) {
++ synchronized (logManager.getLogPage(pageIndex)) {
++ //return if flushedLSN >= lsn
++ if (logManager.getLastFlushedLsn().get() >= lsn) {
++ return;
++ }
++
++ //put a new request to the queue only if the request on the page is not in the queue.
++ flushRequestQueue[pageIndex].offer(flushRequests[pageIndex]);
++
++ //return if the request is asynchronous
++ if (!isSynchronous) {
++ return;
++ }
++
++ //wait until there is flush.
++ boolean isNotified = false;
++ while (!isNotified) {
++ try {
++ logManager.getLogPage(pageIndex).wait();
++ isNotified = true;
++ } catch (InterruptedException e) {
++ e.printStackTrace();
++ }
++ }
++ }
++ }
++
+ @Override
+ public void run() {
+ while (true) {
+ try {
+- int pageToFlush = logManager.getNextPageInSequence(logManager.getLastFlushedPage());
++ int pageToFlush = logManager.getNextPageInSequence(lastFlushedPageIndex);
+
+- /*
+- * A wait call on the linkedBLockingQueue. The flusher thread is
+- * notified when an object is added to the queue. Please note
+- * that each page has an associated blocking queue.
+- */
+- logManager.getPendingFlushRequests(pageToFlush).take();
++ // A wait call on the linkedBLockingQueue. The flusher thread is
++ // notified when an object is added to the queue. Please note
++ // that each page has an associated blocking queue.
++ flushRequestQueue[pageToFlush].take();
+
+- /*
+- * The LogFlusher was waiting for a page to be marked as a
+- * candidate for flushing. Now that has happened. The thread
+- * shall proceed to take a lock on the log page
+- */
+- synchronized (logManager.getLogPages()[pageToFlush]) {
++ synchronized (logManager.getLogPage(pageToFlush)) {
+
+- /*
+- * lock the internal state of the log manager and create a
+- * log file if necessary.
+- */
++ // lock the internal state of the log manager and create a
++ // log file if necessary.
+ int prevLogFileId = logManager.getLogFileId(logManager.getLastFlushedLsn().get());
+ int nextLogFileId = logManager.getLogFileId(logManager.getLastFlushedLsn().get()
+ + logManager.getLogManagerProperties().getLogPageSize());
+@@ -936,198 +847,60 @@
+ logManager.getLogManagerProperties().getLogPageSize());
+ }
+
+- logManager.getLogPage(pageToFlush).flush(); // put the
+- // content to
+- // disk, the
+- // thread still
+- // has a lock on
+- // the log page
++ //#. sleep during the groupCommitWaitTime
++ sleep(groupCommitWaitPeriod);
+
+- /*
+- * acquire lock on the log manager as we need to update the
+- * internal bookkeeping data.
+- */
++ //#. set the logPageStatus to INACTIVE in order to prevent other txns from writing on this page.
++ logManager.getLogPageStatus(pageToFlush).set(PageState.INACTIVE);
+
+- // increment the last flushed lsn.
+- long lastFlushedLsn = logManager.incrementLastFlushedLsn(logManager.getLogManagerProperties()
+- .getLogPageSize());
++ //#. need to wait until the logPageOwnerCount reaches 1 (LOG_WRITER)
++ // meaning every one has finished writing logs on this page.
++ while (logManager.getLogPageOwnershipCount(pageToFlush).get() != PageOwnershipStatus.LOG_WRITER) {
++ sleep(0);
++ }
+
+- /*
+- * the log manager gains back ownership of the page. this is
+- * reflected by incrementing the owner count of the page.
+- * recall that when the page is begin flushed the owner
+- * count is actually 0 Value of zero implicitly indicates
+- * that the page is operated upon by the log flusher thread.
+- */
+- logManager.getLogPageOwnershipCount(pageToFlush).incrementAndGet();
++ //#. set the logPageOwnerCount to 0 (LOG_FLUSHER)
++ // meaning it is flushing.
++ logManager.getLogPageOwnershipCount(pageToFlush).set(PageOwnershipStatus.LOG_FLUSHER);
+
+- /*
+- * get the number of log buffers that have been written so
+- * far. A log buffer = number of log pages * size of a log
+- * page
+- */
+- int numCycles = (int) lastFlushedLsn / logManager.getLogManagerProperties().getLogBufferSize();
+- if (lastFlushedLsn % logManager.getLogManagerProperties().getLogBufferSize() == 0) {
+- numCycles--;
+- }
++ // put the content to disk (the thread still has a lock on the log page)
++ logManager.getLogPage(pageToFlush).flush();
+
+- /*
+- * Map the log page to a new region in the log file.
+- */
++ // increment the last flushed lsn and lastFlushedPage
++ logManager.incrementLastFlushedLsn(logManager.getLogManagerProperties().getLogPageSize());
++ lastFlushedPageIndex = pageToFlush;
+
++ // decrement activeTxnCountOnIndexes
++ logManager.decrementActiveTxnCountOnIndexes(pageToFlush);
++
++ // reset the count to 1
++ logManager.getLogPageOwnershipCount(pageToFlush).set(PageOwnershipStatus.LOG_WRITER);
++
++ // Map the log page to a new region in the log file.
+ long nextWritePosition = logManager.getLogPages()[pageToFlush].getNextWritePosition()
+ + logManager.getLogManagerProperties().getLogBufferSize();
+
+- /*
+- * long nextPos = (numCycles + 1)
+- * logManager.getLogManagerProperties() .getLogBufferSize()
+- * + pageToFlush logManager.getLogManagerProperties()
+- * .getLogPageSize();
+- */
+ logManager.resetLogPage(nextWritePosition, pageToFlush);
+
+ // mark the page as ACTIVE
+ logManager.getLogPageStatus(pageToFlush).set(LogManager.PageState.ACTIVE);
+
+- // notify all waiting (transaction) threads.
+- // Transaction thread may be waiting for the page to be
+- // available or may have a commit log record on the page
+- // that got flushed.
+- logManager.getLogPages()[pageToFlush].notifyAll();
+- logManager.setLastFlushedPage(pageToFlush);
++ //#. checks the queue whether there is another flush request on the same log buffer
++ // If there is another request, then simply remove it.
++ if (flushRequestQueue[pageToFlush].peek() != null) {
++ flushRequestQueue[pageToFlush].take();
++ }
+
++ // notify all waiting (transaction) threads.
++ logManager.getLogPage(pageToFlush).notifyAll();
+ }
+ } catch (IOException ioe) {
+ ioe.printStackTrace();
+ throw new Error(" exception in flushing log page", ioe);
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+- break; // must break from the loop as the exception indicates
+- // some thing horrendous has happened elsewhere
++ break;
+ }
+ }
+ }
+-}
+-
+-/*
+- * TODO: By default the commit policy is to commit at each request and not have
+- * a group commit. The following code needs to change to support group commit.
+- * The code for group commit has not been tested thoroughly and is under
+- * development.
+- */
+-class BasicCommitResolver implements ICommitResolver {
+-
+- public boolean shouldCommitPage(int pageIndex, LogManager logManager,
+- CommitRequestStatistics commitRequestStatistics) {
+- return true;
+- }
+-
+- public void init(LogManager logManager) {
+- }
+-}
+-
+-class GroupCommitResolver implements ICommitResolver {
+-
+- public boolean shouldCommitPage(int pageIndex, LogManager logManager,
+- CommitRequestStatistics commitRequestStatistics) {
+- long maxCommitWait = logManager.getLogManagerProperties().getGroupCommitWaitPeriod();
+- long timestamp = commitRequestStatistics.getPageLevelLastCommitRequestTimestamp(pageIndex);
+- if (timestamp == -1) {
+- if (maxCommitWait == 0) {
+- return true;
+- } else {
+- timestamp = System.currentTimeMillis();
+- }
+- }
+- long currenTime = System.currentTimeMillis();
+- if (currenTime - timestamp > maxCommitWait) {
+- return true;
+- }
+- return false;
+- }
+-
+- public void init(LogManager logManager) {
+- GroupCommitHandlerThread groupCommitHandler = new GroupCommitHandlerThread(logManager);
+- groupCommitHandler.setDaemon(true);
+- groupCommitHandler.start();
+- }
+-
+- class GroupCommitHandlerThread extends Thread {
+-
+- private LogManager logManager;
+-
+- public GroupCommitHandlerThread(LogManager logManager) {
+- this.logManager = logManager;
+- setName("Group Commit Handler");
+- }
+-
+- @Override
+- public void run() {
+- int pageIndex = -1;
+- while (true) {
+- pageIndex = logManager.getNextPageInSequence(pageIndex);
+- long lastCommitRequeestTimestamp = logManager.getCommitRequestStatistics()
+- .getPageLevelLastCommitRequestTimestamp(pageIndex);
+- if (lastCommitRequeestTimestamp != -1
+- && System.currentTimeMillis() - lastCommitRequeestTimestamp > logManager
+- .getLogManagerProperties().getGroupCommitWaitPeriod()) {
+- int dirtyCount = logManager.getLogPageOwnershipCount(pageIndex).decrementAndGet();
+- if (dirtyCount == 0) {
+- try {
+- logManager.getLogPageStatus(pageIndex).set(LogManager.PageState.INACTIVE);
+- logManager.getPendingFlushRequests(pageIndex).put(Thread.currentThread());
+- } catch (InterruptedException e) {
+- e.printStackTrace();
+- break;
+- }
+- logManager.getCommitRequestStatistics().committedPage(pageIndex);
+- }
+- }
+- }
+- }
+- }
+-
+-}
+-
+-interface ICommitResolver {
+- public boolean shouldCommitPage(int pageIndex, LogManager logManager,
+- CommitRequestStatistics commitRequestStatistics);
+-
+- public void init(LogManager logManager);
+-}
+-
+-/**
+- * Represents a collection of all commit requests by transactions for each log
+- * page. The requests are accumulated until the commit policy triggers a flush
+- * of the corresponding log page. Upon a flush of a page, all commit requests
+- * for the page are cleared.
+- */
+-class CommitRequestStatistics {
+-
+- AtomicInteger[] pageLevelCommitRequestCount;
+- AtomicLong[] pageLevelLastCommitRequestTimestamp;
+-
+- public CommitRequestStatistics(int numPages) {
+- pageLevelCommitRequestCount = new AtomicInteger[numPages];
+- pageLevelLastCommitRequestTimestamp = new AtomicLong[numPages];
+- for (int i = 0; i < numPages; i++) {
+- pageLevelCommitRequestCount[i] = new AtomicInteger(0);
+- pageLevelLastCommitRequestTimestamp[i] = new AtomicLong(-1L);
+- }
+- }
+-
+- public void registerCommitRequest(int pageIndex) {
+- pageLevelCommitRequestCount[pageIndex].incrementAndGet();
+- pageLevelLastCommitRequestTimestamp[pageIndex].set(System.currentTimeMillis());
+- }
+-
+- public long getPageLevelLastCommitRequestTimestamp(int pageIndex) {
+- return pageLevelLastCommitRequestTimestamp[pageIndex].get();
+- }
+-
+- public void committedPage(int pageIndex) {
+- pageLevelCommitRequestCount[pageIndex].set(0);
+- pageLevelLastCommitRequestTimestamp[pageIndex].set(-1L);
+- }
+-
+-}
++}
+\ No newline at end of file
+Index: asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogRecordHelper.java
+===================================================================
+--- asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogRecordHelper.java (revision 1194)
++++ asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogRecordHelper.java (working copy)
+@@ -152,6 +152,9 @@
+ case LogType.UPDATE:
+ logTypeDisplay = "UPDATE";
+ break;
++ case LogType.ENTITY_COMMIT:
++ logTypeDisplay = "ENTITY_COMMIT";
++ break;
+ }
+ builder.append(" LSN : ").append(logicalLogLocator.getLsn());
+ builder.append(" Log Type : ").append(logTypeDisplay);
+Index: asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogType.java
+===================================================================
+--- asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogType.java (revision 1194)
++++ asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogType.java (working copy)
+@@ -18,5 +18,6 @@
+
+ public static final byte UPDATE = 0;
+ public static final byte COMMIT = 1;
++ public static final byte ENTITY_COMMIT = 2;
+
+ }
+Index: asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogManagerProperties.java
+===================================================================
+--- asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogManagerProperties.java (revision 1194)
++++ asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogManagerProperties.java (working copy)
+@@ -1,5 +1,5 @@
+ /*
+- * Copyright 2009-2010 by The Regents of the University of California
++ * Copyright 2009-2012 by The Regents of the University of California
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * you may obtain a copy of the License from
+@@ -41,7 +41,7 @@
+ private int logPageSize = 128 * 1024; // 128 KB
+ private int numLogPages = 8; // number of log pages in the log buffer.
+
+- private long groupCommitWaitPeriod = 0; // time in milliseconds for which a
++ private long groupCommitWaitPeriod = 1; // time in milliseconds for which a
+ // commit record will wait before
+ // the housing page is marked for
+ // flushing.
+Index: asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/recovery/RecoveryManager.java
+===================================================================
+--- asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/recovery/RecoveryManager.java (revision 1194)
++++ asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/recovery/RecoveryManager.java (working copy)
+@@ -184,6 +184,7 @@
+ break;
+
+ case LogType.COMMIT:
++ case LogType.ENTITY_COMMIT:
+ tempKeyTxnId.setTxnId(logRecordHelper.getJobId(currentLogLocator),
+ logRecordHelper.getDatasetId(currentLogLocator),
+ logRecordHelper.getPKHashValue(currentLogLocator));
+@@ -218,6 +219,7 @@
+ IIndex index = null;
+ LocalResource localResource = null;
+ ILocalResourceMetadata localResourceMetadata = null;
++ List<Long> resourceIdList = new ArrayList<Long>();
+
+ //#. get indexLifeCycleManager
+ IAsterixAppRuntimeContextProvider appRuntimeContext = txnSubsystem.getAsterixAppRuntimeContextProvider();
+@@ -272,6 +274,8 @@
+ index = localResourceMetadata.createIndexInstance(appRuntimeContext,
+ localResource.getResourceName(), localResource.getPartition());
+ indexLifecycleManager.register(resourceId, index);
++ indexLifecycleManager.open(resourceId);
++ resourceIdList.add(resourceId);
+ }
+
+ /***************************************************/
+@@ -300,6 +304,7 @@
+ break;
+
+ case LogType.COMMIT:
++ case LogType.ENTITY_COMMIT:
+ //do nothing
+ break;
+
+@@ -308,6 +313,11 @@
+ }
+ }
+
++ //close all indexes
++ for (long r : resourceIdList) {
++ indexLifecycleManager.close(r);
++ }
++
+ JobIdFactory.initJobId(maxJobId);
+ }
+
+@@ -539,6 +549,7 @@
+ break;
+
+ case LogType.COMMIT:
++ case LogType.ENTITY_COMMIT:
+ undoLSNSet = loserTxnTable.get(tempKeyTxnId);
+ if (undoLSNSet != null) {
+ loserTxnTable.remove(tempKeyTxnId);
+Index: asterix-app/src/test/java/edu/uci/ics/asterix/test/metadata/MetadataTest.java
+===================================================================
+--- asterix-app/src/test/java/edu/uci/ics/asterix/test/metadata/MetadataTest.java (revision 1194)
++++ asterix-app/src/test/java/edu/uci/ics/asterix/test/metadata/MetadataTest.java (working copy)
+@@ -42,6 +42,16 @@
+ List<CompilationUnit> cUnits = tcCtx.getTestCase().getCompilationUnit();
+ for (CompilationUnit cUnit : cUnits) {
+ File testFile = tcCtx.getTestFile(cUnit);
++
++ /*****************
++ if (!testFile.getAbsolutePath().contains("meta09.aql")) {
++ System.out.println(testFile.getAbsolutePath());
++ continue;
++ }
++ System.out.println(testFile.getAbsolutePath());
++ *****************/
++
++
+ File expectedResultFile = tcCtx.getExpectedResultFile(cUnit);
+ File actualFile = new File(PATH_ACTUAL + File.separator
+ + tcCtx.getTestCase().getFilePath().replace(File.separator, "_") + "_" + cUnit.getName() + ".adm");
+Index: asterix-app/src/test/java/edu/uci/ics/asterix/test/runtime/ExecutionTest.java
+===================================================================
+--- asterix-app/src/test/java/edu/uci/ics/asterix/test/runtime/ExecutionTest.java (revision 1194)
++++ asterix-app/src/test/java/edu/uci/ics/asterix/test/runtime/ExecutionTest.java (working copy)
+@@ -95,9 +95,10 @@
+ File testFile = tcCtx.getTestFile(cUnit);
+
+ /*************** to avoid run failure cases ****************
+- if (!testFile.getAbsolutePath().contains("index-selection/")) {
++ if (!testFile.getAbsolutePath().contains("query-issue205.aql")) {
+ continue;
+ }
++ System.out.println(testFile.getAbsolutePath());
+ ************************************************************/
+
+ File expectedResultFile = tcCtx.getExpectedResultFile(cUnit);
+Index: diff_file
+===================================================================
+--- diff_file (revision 1194)
++++ diff_file (working copy)
+@@ -1,2098 +1,1252 @@
+-Index: asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entitytupletranslators/DataverseTupleTranslator.java
++Index: asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/TransactionManager.java
+ ===================================================================
+---- asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entitytupletranslators/DataverseTupleTranslator.java (revision 1061)
+-+++ asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entitytupletranslators/DataverseTupleTranslator.java (working copy)
+-@@ -25,8 +25,11 @@
+- import edu.uci.ics.asterix.metadata.bootstrap.MetadataPrimaryIndexes;
+- import edu.uci.ics.asterix.metadata.bootstrap.MetadataRecordTypes;
+- import edu.uci.ics.asterix.metadata.entities.Dataverse;
+-+import edu.uci.ics.asterix.om.base.AInt32;
+-+import edu.uci.ics.asterix.om.base.AMutableInt32;
+- import edu.uci.ics.asterix.om.base.ARecord;
+- import edu.uci.ics.asterix.om.base.AString;
+-+import edu.uci.ics.asterix.om.types.BuiltinType;
+- import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
+- import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
++--- asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/TransactionManager.java (revision 1194)
+++++ asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/TransactionManager.java (working copy)
++@@ -103,12 +103,14 @@
++ //for entity-level commit
++ if (PKHashVal != -1) {
++ transactionProvider.getLockManager().unlock(datasetId, PKHashVal, txnContext, true);
+++ /*****************************
++ try {
++ //decrease the transaction reference count on index
++ txnContext.decreaseActiveTransactionCountOnIndexes();
++ } catch (HyracksDataException e) {
++ throw new ACIDException("failed to complete index operation", e);
++ }
+++ *****************************/
++ return;
++ }
+
+-@@ -40,12 +43,18 @@
+- // Payload field containing serialized Dataverse.
+- public static final int DATAVERSE_PAYLOAD_TUPLE_FIELD_INDEX = 1;
+-
+-+ private AMutableInt32 aInt32;
+-+ protected ISerializerDeserializer<AInt32> aInt32Serde;
+-+
+- @SuppressWarnings("unchecked")
+- private ISerializerDeserializer<ARecord> recordSerDes = AqlSerializerDeserializerProvider.INSTANCE
+- .getSerializerDeserializer(MetadataRecordTypes.DATAVERSE_RECORDTYPE);
+-
+-+ @SuppressWarnings("unchecked")
+- public DataverseTupleTranslator(boolean getTuple) {
+- super(getTuple, MetadataPrimaryIndexes.DATAVERSE_DATASET.getFieldCount());
+-+ aInt32 = new AMutableInt32(-1);
+-+ aInt32Serde = AqlSerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AINT32);
+- }
+-
+- @Override
+-@@ -57,7 +66,8 @@
+- DataInput in = new DataInputStream(stream);
+- ARecord dataverseRecord = recordSerDes.deserialize(in);
+- return new Dataverse(((AString) dataverseRecord.getValueByPos(0)).getStringValue(),
+-- ((AString) dataverseRecord.getValueByPos(1)).getStringValue());
+-+ ((AString) dataverseRecord.getValueByPos(1)).getStringValue(),
+-+ ((AInt32) dataverseRecord.getValueByPos(2)).getIntegerValue());
+- }
+-
+- @Override
+-@@ -88,6 +98,12 @@
+- stringSerde.serialize(aString, fieldValue.getDataOutput());
+- recordBuilder.addField(MetadataRecordTypes.DATAVERSE_ARECORD_TIMESTAMP_FIELD_INDEX, fieldValue);
+-
+-+ // write field 3
+-+ fieldValue.reset();
+-+ aInt32.setValue(instance.getPendingOp());
+-+ aInt32Serde.serialize(aInt32, fieldValue.getDataOutput());
+-+ recordBuilder.addField(MetadataRecordTypes.DATAVERSE_ARECORD_PENDINGOP_FIELD_INDEX, fieldValue);
+-+
+- recordBuilder.write(tupleBuilder.getDataOutput(), true);
+- tupleBuilder.addFieldEndOffset();
+-
+-Index: asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entitytupletranslators/DatasetTupleTranslator.java
++Index: asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/TransactionContext.java
+ ===================================================================
+---- asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entitytupletranslators/DatasetTupleTranslator.java (revision 1061)
+-+++ asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entitytupletranslators/DatasetTupleTranslator.java (working copy)
+-@@ -77,9 +77,9 @@
+- protected ISerializerDeserializer<AInt32> aInt32Serde;
++--- asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/TransactionContext.java (revision 1194)
+++++ asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/transaction/TransactionContext.java (working copy)
++@@ -19,6 +19,7 @@
++ import java.util.HashSet;
++ import java.util.List;
++ import java.util.Set;
+++import java.util.concurrent.atomic.AtomicInteger;
+
+- @SuppressWarnings("unchecked")
+-- public DatasetTupleTranslator(boolean getTuple) {
+-+ public DatasetTupleTranslator(boolean getTuple) {
+- super(getTuple, MetadataPrimaryIndexes.DATASET_DATASET.getFieldCount());
+-- aInt32 = new AMutableInt32(-1);
+-+ aInt32 = new AMutableInt32(-1);
+- aInt32Serde = AqlSerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AINT32);
+- }
+-
+-@@ -104,8 +104,10 @@
+- .getValueByPos(MetadataRecordTypes.DATASET_ARECORD_DATATYPENAME_FIELD_INDEX)).getStringValue();
+- DatasetType datasetType = DatasetType.valueOf(((AString) datasetRecord.getValueByPos(3)).getStringValue());
+- IDatasetDetails datasetDetails = null;
+-- int datasetId = ((AInt32) datasetRecord
+-+ int datasetId = ((AInt32) datasetRecord
+- .getValueByPos(MetadataRecordTypes.DATASET_ARECORD_DATASETID_FIELD_INDEX)).getIntegerValue();
+-+ int pendingOp = ((AInt32) datasetRecord
+-+ .getValueByPos(MetadataRecordTypes.DATASET_ARECORD_PENDINGOP_FIELD_INDEX)).getIntegerValue();
+- switch (datasetType) {
+- case FEED:
+- case INTERNAL: {
+-@@ -197,7 +199,7 @@
+- }
+- datasetDetails = new ExternalDatasetDetails(adapter, properties);
++ import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
++ import edu.uci.ics.asterix.transaction.management.opcallbacks.AbstractOperationCallback;
++@@ -169,5 +170,14 @@
++ closeable.close(this);
+ }
+-- return new Dataset(dataverseName, datasetName, typeName, datasetDetails, datasetType, datasetId);
+-+ return new Dataset(dataverseName, datasetName, typeName, datasetDetails, datasetType, datasetId, pendingOp);
+ }
+++
+++ @Override
+++ public int hashCode() {
+++ return jobId.getId();
+++ }
+
+- @Override
+-@@ -248,13 +250,19 @@
+- aString.setValue(Calendar.getInstance().getTime().toString());
+- stringSerde.serialize(aString, fieldValue.getDataOutput());
+- recordBuilder.addField(MetadataRecordTypes.DATASET_ARECORD_TIMESTAMP_FIELD_INDEX, fieldValue);
+--
+-+
+- // write field 8
+- fieldValue.reset();
+- aInt32.setValue(dataset.getDatasetId());
+- aInt32Serde.serialize(aInt32, fieldValue.getDataOutput());
+- recordBuilder.addField(MetadataRecordTypes.DATASET_ARECORD_DATASETID_FIELD_INDEX, fieldValue);
+--
+-+
+-+ // write field 9
+-+ fieldValue.reset();
+-+ aInt32.setValue(dataset.getPendingOp());
+-+ aInt32Serde.serialize(aInt32, fieldValue.getDataOutput());
+-+ recordBuilder.addField(MetadataRecordTypes.DATASET_ARECORD_PENDINGOP_FIELD_INDEX, fieldValue);
+-+
+- // write record
+- recordBuilder.write(tupleBuilder.getDataOutput(), true);
+- tupleBuilder.addFieldEndOffset();
+-@@ -290,13 +298,15 @@
+- fieldValue.reset();
+- aString.setValue(name);
+- stringSerde.serialize(aString, fieldValue.getDataOutput());
+-- propertyRecordBuilder.addField(MetadataRecordTypes.DATASOURCE_ADAPTER_PROPERTIES_ARECORD_NAME_FIELD_INDEX, fieldValue);
+-+ propertyRecordBuilder.addField(MetadataRecordTypes.DATASOURCE_ADAPTER_PROPERTIES_ARECORD_NAME_FIELD_INDEX,
+-+ fieldValue);
+-
+- // write field 1
+- fieldValue.reset();
+- aString.setValue(value);
+- stringSerde.serialize(aString, fieldValue.getDataOutput());
+-- propertyRecordBuilder.addField(MetadataRecordTypes.DATASOURCE_ADAPTER_PROPERTIES_ARECORD_VALUE_FIELD_INDEX, fieldValue);
+-+ propertyRecordBuilder.addField(MetadataRecordTypes.DATASOURCE_ADAPTER_PROPERTIES_ARECORD_VALUE_FIELD_INDEX,
+-+ fieldValue);
+-
+- propertyRecordBuilder.write(out, true);
+- }
+-Index: asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entitytupletranslators/IndexTupleTranslator.java
+++ @Override
+++ public boolean equals(Object o) {
+++ return (o == this);
+++ }
++ }
++Index: asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/LockManager.java
+ ===================================================================
+---- asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entitytupletranslators/IndexTupleTranslator.java (revision 1061)
+-+++ asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entitytupletranslators/IndexTupleTranslator.java (working copy)
+-@@ -96,13 +96,15 @@
+- }
+- Boolean isPrimaryIndex = ((ABoolean) rec.getValueByPos(MetadataRecordTypes.INDEX_ARECORD_ISPRIMARY_FIELD_INDEX))
+- .getBoolean();
+-+ int pendingOp = ((AInt32) rec.getValueByPos(MetadataRecordTypes.INDEX_ARECORD_PENDINGOP_FIELD_INDEX))
+-+ .getIntegerValue();
+- // Check if there is a gram length as well.
+- int gramLength = -1;
+- int gramLenPos = rec.getType().findFieldPosition(GRAM_LENGTH_FIELD_NAME);
+- if (gramLenPos >= 0) {
+- gramLength = ((AInt32) rec.getValueByPos(gramLenPos)).getIntegerValue();
+- }
+-- return new Index(dvName, dsName, indexName, indexStructure, searchKey, gramLength, isPrimaryIndex);
+-+ return new Index(dvName, dsName, indexName, indexStructure, searchKey, gramLength, isPrimaryIndex, pendingOp);
+- }
+-
+- @Override
+-@@ -174,7 +176,12 @@
+- stringSerde.serialize(aString, fieldValue.getDataOutput());
+- recordBuilder.addField(MetadataRecordTypes.INDEX_ARECORD_TIMESTAMP_FIELD_INDEX, fieldValue);
+-
+-- // write optional field 7
+-+ // write field 7
+-+ fieldValue.reset();
+-+ intSerde.serialize(new AInt32(instance.getPendingOp()), fieldValue.getDataOutput());
+-+ recordBuilder.addField(MetadataRecordTypes.INDEX_ARECORD_PENDINGOP_FIELD_INDEX, fieldValue);
+-+
+-+ // write optional field 8
+- if (instance.getGramLength() > 0) {
+- fieldValue.reset();
+- nameValue.reset();
+-Index: asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/declared/AqlMetadataProvider.java
++--- asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/LockManager.java (revision 1194)
+++++ asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/locking/LockManager.java (working copy)
++@@ -567,7 +567,7 @@
++ if (commitFlag) {
++ if (txnContext.getTransactionType().equals(TransactionContext.TransactionType.READ_WRITE)) {
++ try {
++- txnSubsystem.getLogManager().log(LogType.COMMIT, txnContext, datasetId.getId(),
+++ txnSubsystem.getLogManager().log(LogType.ENTITY_COMMIT, txnContext, datasetId.getId(),
++ entityHashValue, -1, (byte) 0, 0, null, null, logicalLogLocator);
++ } catch (ACIDException e) {
++ try {
++Index: asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/FileBasedBuffer.java
+ ===================================================================
+---- asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/declared/AqlMetadataProvider.java (revision 1061)
+-+++ asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/declared/AqlMetadataProvider.java (working copy)
+-@@ -129,7 +129,7 @@
+-
+- public class AqlMetadataProvider implements IMetadataProvider<AqlSourceId, String> {
+- private static Logger LOGGER = Logger.getLogger(AqlMetadataProvider.class.getName());
+-- private final MetadataTransactionContext mdTxnCtx;
+-+ private MetadataTransactionContext mdTxnCtx;
+- private boolean isWriteTransaction;
+- private Map<String, String[]> stores;
+- private Map<String, String> config;
+-@@ -156,8 +156,7 @@
+- return config;
++--- asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/FileBasedBuffer.java (revision 1194)
+++++ asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/FileBasedBuffer.java (working copy)
++@@ -75,6 +75,7 @@
++ buffer.position(0);
++ buffer.limit(size);
++ fileChannel.write(buffer);
+++ fileChannel.force(false);
++ erase();
+ }
+
+-- public AqlMetadataProvider(MetadataTransactionContext mdTxnCtx, Dataverse defaultDataverse) {
+-- this.mdTxnCtx = mdTxnCtx;
+-+ public AqlMetadataProvider(Dataverse defaultDataverse) {
+- this.defaultDataverse = defaultDataverse;
+- this.stores = AsterixProperties.INSTANCE.getStores();
+- }
+-@@ -181,6 +180,10 @@
+- public void setWriterFactory(IAWriterFactory writerFactory) {
+- this.writerFactory = writerFactory;
+- }
+-+
+-+ public void setMetadataTxnContext(MetadataTransactionContext mdTxnCtx) {
+-+ this.mdTxnCtx = mdTxnCtx;
+-+ }
+-
+- public MetadataTransactionContext getMetadataTxnContext() {
+- return mdTxnCtx;
+-Index: asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entities/Dataset.java
++Index: asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogManager.java
+ ===================================================================
+---- asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entities/Dataset.java (revision 1061)
+-+++ asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entities/Dataset.java (working copy)
+-@@ -35,15 +35,18 @@
+- private final DatasetType datasetType;
+- private IDatasetDetails datasetDetails;
+- private final int datasetId;
+-+ // Type of pending operations with respect to atomic DDL operation
+-+ private final int pendingOp;
++--- asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogManager.java (revision 1194)
+++++ asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogManager.java (working copy)
++@@ -1,5 +1,5 @@
++ /*
++- * Copyright 2009-2010 by The Regents of the University of California
+++ * Copyright 2009-2012 by The Regents of the University of California
++ * Licensed under the Apache License, Version 2.0 (the "License");
++ * you may not use this file except in compliance with the License.
++ * you may obtain a copy of the License from
++@@ -21,7 +21,12 @@
++ import java.io.RandomAccessFile;
++ import java.nio.ByteBuffer;
++ import java.nio.channels.FileChannel;
+++import java.util.ArrayList;
+++import java.util.HashMap;
+++import java.util.List;
+++import java.util.Map;
++ import java.util.Properties;
+++import java.util.Set;
++ import java.util.concurrent.LinkedBlockingQueue;
++ import java.util.concurrent.atomic.AtomicInteger;
++ import java.util.concurrent.atomic.AtomicLong;
++@@ -30,22 +35,25 @@
+
+- public Dataset(String dataverseName, String datasetName, String itemTypeName, IDatasetDetails datasetDetails,
+-- DatasetType datasetType, int datasetId) {
+-+ DatasetType datasetType, int datasetId, int pendingOp) {
+- this.dataverseName = dataverseName;
+- this.datasetName = datasetName;
+- this.itemTypeName = itemTypeName;
+- this.datasetType = datasetType;
+- this.datasetDetails = datasetDetails;
+- this.datasetId = datasetId;
+-+ this.pendingOp = pendingOp;
+- }
++ import edu.uci.ics.asterix.transaction.management.exception.ACIDException;
++ import edu.uci.ics.asterix.transaction.management.service.logging.IndexLogger.ReusableLogContentObject;
+++import edu.uci.ics.asterix.transaction.management.service.logging.LogManager.PageOwnershipStatus;
+++import edu.uci.ics.asterix.transaction.management.service.logging.LogManager.PageState;
++ import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionContext;
++ import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionManagementConstants;
++ import edu.uci.ics.asterix.transaction.management.service.transaction.TransactionSubsystem;
+++import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+
+- public String getDataverseName() {
+-@@ -73,6 +76,10 @@
+- public int getDatasetId() {
+- return datasetId;
+- }
+-+
+-+ public int getPendingOp() {
+-+ return pendingOp;
+-+ }
++ public class LogManager implements ILogManager {
+
+- @Override
+- public Object addToCache(MetadataCache cache) {
+-Index: asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entities/Index.java
+-===================================================================
+---- asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entities/Index.java (revision 1061)
+-+++ asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entities/Index.java (working copy)
+-@@ -45,9 +45,11 @@
+- private final boolean isPrimaryIndex;
+- // Specific to NGRAM indexes.
+- private final int gramLength;
+-+ // Type of pending operations with respect to atomic DDL operation
+-+ private final int pendingOp;
++ public static final boolean IS_DEBUG_MODE = false;//true
++ private static final Logger LOGGER = Logger.getLogger(LogManager.class.getName());
++- private TransactionSubsystem provider;
+++ private final TransactionSubsystem provider;
++ private LogManagerProperties logManagerProperties;
+++ private LogPageFlushThread logPageFlusher;
+
+- public Index(String dataverseName, String datasetName, String indexName, IndexType indexType,
+-- List<String> keyFieldNames, int gramLength, boolean isPrimaryIndex) {
+-+ List<String> keyFieldNames, int gramLength, boolean isPrimaryIndex, int pendingOp) {
+- this.dataverseName = dataverseName;
+- this.datasetName = datasetName;
+- this.indexName = indexName;
+-@@ -55,10 +57,11 @@
+- this.keyFieldNames = keyFieldNames;
+- this.gramLength = gramLength;
+- this.isPrimaryIndex = isPrimaryIndex;
+-+ this.pendingOp = pendingOp;
+- }
++ /*
++ * the array of log pages. The number of log pages is configurable. Pages
++ * taken together form an in-memory log buffer.
++ */
++-
++ private IFileBasedBuffer[] logPages;
+
+- public Index(String dataverseName, String datasetName, String indexName, IndexType indexType,
+-- List<String> keyFieldNames, boolean isPrimaryIndex) {
+-+ List<String> keyFieldNames, boolean isPrimaryIndex, int pendingOp) {
+- this.dataverseName = dataverseName;
+- this.datasetName = datasetName;
+- this.indexName = indexName;
+-@@ -66,6 +69,7 @@
+- this.keyFieldNames = keyFieldNames;
+- this.gramLength = -1;
+- this.isPrimaryIndex = isPrimaryIndex;
+-+ this.pendingOp = pendingOp;
+- }
++ private ILogRecordHelper logRecordHelper;
++@@ -54,6 +62,7 @@
++ * Number of log pages that constitute the in-memory log buffer.
++ */
++ private int numLogPages;
+++
++ /*
++ * Initially all pages have an owner count of 1 that is the LogManager. When
++ * a transaction requests to write in a log page, the owner count is
++@@ -62,12 +71,11 @@
++ * (covering the whole log record). When the content has been put, the log
++ * manager computes the checksum and puts it after the content. At this
++ * point, the ownership count is decremented as the transaction is done with
++- * using the page. When a page is full, the log manager decrements the count
++- * by one indicating that it has released its ownership of the log page.
++- * There could be other transaction(s) still owning the page (that is they
++- * could still be mid-way putting the log content). When the ownership count
++- * eventually reaches zero, the thread responsible for flushing the log page
++- * is notified and the page is flushed to disk.
+++ * using the page. When a page is requested to be flushed, logPageFlusher
+++ * set the count to 0(LOG_FLUSHER: meaning that the page is being flushed)
+++ * only if the count is 1(LOG_WRITER: meaning that there is no other
+++ * transactions who own the page to write logs.) After flushing the page,
+++ * logPageFlusher set this count to 1.
++ */
++ private AtomicInteger[] logPageOwnerCount;
+
+- public String getDataverseName() {
+-@@ -95,6 +99,10 @@
+- public boolean isPrimaryIndex() {
+- return isPrimaryIndex;
+- }
+-+
+-+ public int getPendingOp() {
+-+ return pendingOp;
+-+ }
++@@ -78,18 +86,16 @@
+
+- public boolean isSecondaryIndex() {
+- return !isPrimaryIndex();
+-Index: asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entities/Dataverse.java
+-===================================================================
+---- asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entities/Dataverse.java (revision 1061)
+-+++ asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/entities/Dataverse.java (working copy)
+-@@ -27,10 +27,12 @@
+- // Enforced to be unique within an Asterix cluster..
+- private final String dataverseName;
+- private final String dataFormat;
+-+ private final int pendingOp;
++ /*
++ * LogPageStatus: A page is either ACTIVE or INACTIVE. The status for each
++- * page is maintained in a map called logPageStatus. A page is ACTIVE when
++- * the LogManager can allocate space in the page for writing a log record.
++- * Initially all pages are ACTIVE. As transactions fill up space by writing
++- * log records, a page may not have sufficient space left for serving a
++- * request by a transaction. When this happens, the page is marked INACTIVE.
++- * An INACTIVE page with no owners ( logPageOwnerCount.get(<pageIndex>) ==
++- * 0) indicates that the page must be flushed to disk before any other log
++- * record is written on the page.F
+++ * page is maintained in logPageStatus. A page is ACTIVE when the LogManager
+++ * can allocate space in the page for writing a log record. Initially all
+++ * pages are ACTIVE. As transactions fill up space by writing log records,
+++ * a page may not have sufficient space left for serving a request by a
+++ * transaction. When this happens, the page is flushed to disk by calling
+++ * logPageFlusher.requestFlush(). In the requestFlush(), after groupCommitWaitTime,
+++ * the page status is set to INACTIVE. Then, there is no more writer on the
+++ * page(meaning the corresponding logPageOwnerCount is 1), the page is flushed
+++ * by the logPageFlusher and the status is reset to ACTIVE by the logPageFlusher.
++ */
++-
++- // private Map<Integer, Integer> logPageStatus = new
++- // ConcurrentHashMap<Integer, Integer>();
++ private AtomicInteger[] logPageStatus;
+
+-- public Dataverse(String dataverseName, String format) {
+-+ public Dataverse(String dataverseName, String format, int pendingOp) {
+- this.dataverseName = dataverseName;
+- this.dataFormat = format;
+-+ this.pendingOp = pendingOp;
++ static class PageState {
++@@ -98,41 +104,8 @@
+ }
+
+- public String getDataverseName() {
+-@@ -40,6 +42,10 @@
+- public String getDataFormat() {
+- return dataFormat;
+- }
+-+
+-+ public int getPendingOp() {
+-+ return pendingOp;
+-+ }
++ private AtomicLong lastFlushedLsn = new AtomicLong(-1);
++- private AtomicInteger lastFlushedPage = new AtomicInteger(-1);
+
+- @Override
+- public Object addToCache(MetadataCache cache) {
+-Index: asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataNode.java
+-===================================================================
+---- asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataNode.java (revision 1061)
+-+++ asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataNode.java (working copy)
+-@@ -25,6 +25,7 @@
+- import edu.uci.ics.asterix.common.exceptions.AsterixException;
+- import edu.uci.ics.asterix.common.functions.FunctionSignature;
+- import edu.uci.ics.asterix.formats.nontagged.AqlSerializerDeserializerProvider;
+-+import edu.uci.ics.asterix.metadata.api.IMetadataEntity;
+- import edu.uci.ics.asterix.metadata.api.IMetadataIndex;
+- import edu.uci.ics.asterix.metadata.api.IMetadataNode;
+- import edu.uci.ics.asterix.metadata.api.IValueExtractor;
+-@@ -160,7 +161,7 @@
+- // Add the primary index for the dataset.
+- InternalDatasetDetails id = (InternalDatasetDetails) dataset.getDatasetDetails();
+- Index primaryIndex = new Index(dataset.getDataverseName(), dataset.getDatasetName(),
+-- dataset.getDatasetName(), IndexType.BTREE, id.getPrimaryKey(), true);
+-+ dataset.getDatasetName(), IndexType.BTREE, id.getPrimaryKey(), true, dataset.getPendingOp());
+- addIndex(jobId, primaryIndex);
+- ITupleReference nodeGroupTuple = createTuple(id.getNodeGroupName(), dataset.getDataverseName(),
+- dataset.getDatasetName());
+-@@ -260,7 +261,7 @@
+- IIndexAccessor indexAccessor = indexInstance.createAccessor(NoOpOperationCallback.INSTANCE,
+- NoOpOperationCallback.INSTANCE);
+- TransactionContext txnCtx = transactionProvider.getTransactionManager().getTransactionContext(jobId);
+-- transactionProvider.getLockManager().lock(index.getDatasetId(), -1, LockMode.X, txnCtx);
+-+ //transactionProvider.getLockManager().lock(index.getDatasetId(), -1, LockMode.X, txnCtx);
+- // TODO: fix exceptions once new BTree exception model is in hyracks.
+- indexAccessor.insert(tuple);
+- //TODO: extract the key from the tuple and get the PKHashValue from the key.
+-@@ -536,7 +537,7 @@
+- // The transaction with txnId will have an S lock on the
+- // resource. Note that lock converters have a higher priority than
+- // regular waiters in the LockManager.
+-- transactionProvider.getLockManager().lock(index.getDatasetId(), -1, LockMode.X, txnCtx);
+-+ //transactionProvider.getLockManager().lock(index.getDatasetId(), -1, LockMode.X, txnCtx);
+- indexAccessor.delete(tuple);
+- //TODO: extract the key from the tuple and get the PKHashValue from the key.
+- //check how to get the oldValue.
+-@@ -803,7 +804,9 @@
+- private <ResultType> void searchIndex(JobId jobId, IMetadataIndex index, ITupleReference searchKey,
+- IValueExtractor<ResultType> valueExtractor, List<ResultType> results) throws Exception {
+- TransactionContext txnCtx = transactionProvider.getTransactionManager().getTransactionContext(jobId);
+-- transactionProvider.getLockManager().lock(index.getDatasetId(), -1, LockMode.S, txnCtx);
+-+ //#. currently lock is not needed to access any metadata
+-+ // since the non-compatible concurrent access is always protected by the latch in the MetadataManager.
+-+ //transactionProvider.getLockManager().lock(index.getDatasetId(), -1, LockMode.S, txnCtx);
+- IBinaryComparatorFactory[] comparatorFactories = index.getKeyBinaryComparatorFactory();
+- long resourceID = index.getResourceID();
+- IIndex indexInstance = indexLifecycleManager.getIndex(resourceID);
+-Index: asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/api/IMetadataEntity.java
+-===================================================================
+---- asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/api/IMetadataEntity.java (revision 1061)
+-+++ asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/api/IMetadataEntity.java (working copy)
+-@@ -20,6 +20,11 @@
+- import edu.uci.ics.asterix.metadata.MetadataCache;
+-
+- public interface IMetadataEntity extends Serializable {
+-+
+-+ public static final int PENDING_NO_OP = 0;
+-+ public static final int PENDING_ADD_OP = 1;
+-+ public static final int PENDING_DROP_OP = 2;
+-+
+- Object addToCache(MetadataCache cache);
+-
+- Object dropFromCache(MetadataCache cache);
+-Index: asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataManager.java
+-===================================================================
+---- asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataManager.java (revision 1061)
+-+++ asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataManager.java (working copy)
+-@@ -17,6 +17,8 @@
+-
+- import java.rmi.RemoteException;
+- import java.util.List;
+-+import java.util.concurrent.locks.ReadWriteLock;
+-+import java.util.concurrent.locks.ReentrantReadWriteLock;
+-
+- import edu.uci.ics.asterix.common.functions.FunctionSignature;
+- import edu.uci.ics.asterix.metadata.api.IAsterixStateProxy;
+-@@ -79,11 +81,10 @@
+- public class MetadataManager implements IMetadataManager {
+- // Set in init().
+- public static MetadataManager INSTANCE;
++ /*
++- * pendingFlushRequests is a map with key as Integer denoting the page
++- * index. When a (transaction) thread discovers the need to flush a page, it
++- * puts its Thread object into the corresponding value that is a
++- * LinkedBlockingQueue. The LogManager has a LogFlusher thread that scans
++- * this map in order of page index (and circling around). The flusher thread
++- * needs to flush pages in order and waits for a thread to deposit an object
++- * in the blocking queue corresponding to the next page in order. A request
++- * to flush a page is conveyed to the flush thread by simply depositing an
++- * object in to corresponding blocking queue. It is blocking in the sense
++- * that the flusher thread will continue to wait for an object to arrive in
++- * the queue. The object itself is ignored by the fliusher and just acts as
++- * a signal/event that a page needs to be flushed.
++- */
+ -
+- private final MetadataCache cache = new MetadataCache();
+- private IAsterixStateProxy proxy;
+- private IMetadataNode metadataNode;
++- private LinkedBlockingQueue[] pendingFlushRequests;
+ -
+-+
+- public MetadataManager(IAsterixStateProxy proxy) {
+- if (proxy == null) {
+- throw new Error("Null proxy given to MetadataManager.");
+-@@ -206,11 +207,14 @@
++- /*
++- * ICommitResolver is an interface that provides an API that can answer a
++- * simple boolean - Given the commit requests so far, should a page be
++- * flushed. The implementation of the interface contains the logic (or you
++- * can say the policy) for commit. It could be group commit in which case
++- * the commit resolver may not return a true indicating that it wishes to
++- * delay flushing of the page.
++- */
++- private ICommitResolver commitResolver;
++-
++- /*
++- * An object that keeps track of the submitted commit requests.
++- */
++- private CommitRequestStatistics commitRequestStatistics;
++-
++- /*
++ * When the transaction eco-system comes to life, the log manager positions
++ * itself to the end of the last written log. the startingLsn represent the
++ * lsn value of the next log record to be written after a system (re)start.
++@@ -146,16 +119,10 @@
++ */
++ private AtomicLong lsn = new AtomicLong(0);
+
+- @Override
+- public void addDataset(MetadataTransactionContext ctx, Dataset dataset) throws MetadataException {
+-+ // add dataset into metadataNode
+- try {
+- metadataNode.addDataset(ctx.getJobId(), dataset);
+- } catch (RemoteException e) {
+- throw new MetadataException(e);
+- }
+-+
+-+ // reflect the dataset into the cache
+- ctx.addDataset(dataset);
++- /*
++- * A map that tracks the flush requests submitted for each page. The
++- * requests for a page are cleared when the page is flushed.
++- */
++- public LinkedBlockingQueue<Thread> getPendingFlushRequests(int pageIndex) {
++- return pendingFlushRequests[pageIndex];
++- }
+++ private List<HashMap<TransactionContext, Integer>> activeTxnCountMaps;
++
++- public void addFlushRequest(int pageIndex) {
++- pendingFlushRequests[pageIndex].add(pendingFlushRequests);
+++ public void addFlushRequest(int pageIndex, long lsn, boolean isSynchronous) {
+++ logPageFlusher.requestFlush(pageIndex, lsn, isSynchronous);
+ }
+
+-@@ -585,4 +589,5 @@
++ public AtomicLong getLastFlushedLsn() {
++@@ -233,19 +200,12 @@
++ numLogPages = logManagerProperties.getNumLogPages();
++ logPageOwnerCount = new AtomicInteger[numLogPages];
++ logPageStatus = new AtomicInteger[numLogPages];
++- pendingFlushRequests = new LinkedBlockingQueue[numLogPages];
++- if (logManagerProperties.getGroupCommitWaitPeriod() > 0) { // configure
++- // the
++- // Commit
++- // Resolver
++- commitResolver = new GroupCommitResolver(); // Group Commit is
++- // enabled
++- commitRequestStatistics = new CommitRequestStatistics(numLogPages);
++- } else {
++- commitResolver = new BasicCommitResolver(); // the basic commit
++- // resolver
+++
+++ activeTxnCountMaps = new ArrayList<HashMap<TransactionContext, Integer>>(numLogPages);
+++ for (int i = 0; i < numLogPages; i++) {
+++ activeTxnCountMaps.add(new HashMap<TransactionContext, Integer>());
+ }
+- return adapter;
+- }
++- this.commitResolver.init(this); // initialize the commit resolver
+ +
+- }
+-\ No newline at end of file
+-Index: asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataTransactionContext.java
+-===================================================================
+---- asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataTransactionContext.java (revision 1061)
+-+++ asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/MetadataTransactionContext.java (working copy)
+-@@ -19,6 +19,7 @@
++ logPages = new FileBasedBuffer[numLogPages];
+
+- import edu.uci.ics.asterix.common.functions.FunctionSignature;
+- import edu.uci.ics.asterix.external.dataset.adapter.AdapterIdentifier;
+-+import edu.uci.ics.asterix.metadata.api.IMetadataEntity;
+- import edu.uci.ics.asterix.metadata.entities.Dataset;
+- import edu.uci.ics.asterix.metadata.entities.DatasourceAdapter;
+- import edu.uci.ics.asterix.metadata.entities.Datatype;
+-@@ -104,19 +105,19 @@
+- }
++ /*
++@@ -264,7 +224,6 @@
++ for (int i = 0; i < numLogPages; i++) {
++ logPageOwnerCount[i] = new AtomicInteger(PageOwnershipStatus.LOG_WRITER);
++ logPageStatus[i] = new AtomicInteger(PageState.ACTIVE);
++- pendingFlushRequests[i] = new LinkedBlockingQueue<Thread>();
++ }
+
+- public void dropDataset(String dataverseName, String datasetName) {
+-- Dataset dataset = new Dataset(dataverseName, datasetName, null, null, null, -1);
+-+ Dataset dataset = new Dataset(dataverseName, datasetName, null, null, null, -1, IMetadataEntity.PENDING_NO_OP);
+- droppedCache.addDatasetIfNotExists(dataset);
+- logAndApply(new MetadataLogicalOperation(dataset, false));
++ /*
++@@ -278,9 +237,9 @@
++ * daemon thread so that it does not stop the JVM from exiting when all
++ * other threads are done with their work.
++ */
++- LogPageFlushThread logFlusher = new LogPageFlushThread(this);
++- logFlusher.setDaemon(true);
++- logFlusher.start();
+++ logPageFlusher = new LogPageFlushThread(this);
+++ logPageFlusher.setDaemon(true);
+++ logPageFlusher.start();
+ }
+
+- public void dropIndex(String dataverseName, String datasetName, String indexName) {
+-- Index index = new Index(dataverseName, datasetName, indexName, null, null, false);
+-+ Index index = new Index(dataverseName, datasetName, indexName, null, null, false, IMetadataEntity.PENDING_NO_OP);
+- droppedCache.addIndexIfNotExists(index);
+- logAndApply(new MetadataLogicalOperation(index, false));
+- }
+-
+- public void dropDataverse(String dataverseName) {
+-- Dataverse dataverse = new Dataverse(dataverseName, null);
+-+ Dataverse dataverse = new Dataverse(dataverseName, null, IMetadataEntity.PENDING_NO_OP);
+- droppedCache.addDataverseIfNotExists(dataverse);
+- logAndApply(new MetadataLogicalOperation(dataverse, false));
+- }
+-@@ -162,7 +163,7 @@
++ public int getLogPageIndex(long lsnValue) {
++@@ -312,7 +271,7 @@
++ */
++ private void waitUntillPageIsAvailableForWritingLog(int pageIndex) throws ACIDException {
++ if (logPageStatus[pageIndex].get() == PageState.ACTIVE
++- && getLogPageOwnershipCount(pageIndex).get() >= PageOwnershipStatus.LOG_WRITER) {
+++ && logPageOwnerCount[pageIndex].get() >= PageOwnershipStatus.LOG_WRITER) {
++ return;
+ }
+- return droppedCache.getDataset(dataverseName, datasetName) != null;
+- }
+--
++ try {
++@@ -338,47 +297,40 @@
++ */
++ private long getLsn(int entrySize, byte logType) throws ACIDException {
++ long pageSize = logManagerProperties.getLogPageSize();
++- boolean requiresFlushing = logType == LogType.COMMIT;
+ +
+- public boolean indexIsDropped(String dataverseName, String datasetName, String indexName) {
+- if (droppedCache.getDataverse(dataverseName) != null) {
+- return true;
+-Index: asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/bootstrap/MetadataRecordTypes.java
+-===================================================================
+---- asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/bootstrap/MetadataRecordTypes.java (revision 1061)
+-+++ asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/bootstrap/MetadataRecordTypes.java (working copy)
+-@@ -80,10 +80,11 @@
+- public static final int DATAVERSE_ARECORD_NAME_FIELD_INDEX = 0;
+- public static final int DATAVERSE_ARECORD_FORMAT_FIELD_INDEX = 1;
+- public static final int DATAVERSE_ARECORD_TIMESTAMP_FIELD_INDEX = 2;
+-+ public static final int DATAVERSE_ARECORD_PENDINGOP_FIELD_INDEX = 3;
++ while (true) {
++ boolean forwardPage = false;
++- boolean shouldFlushPage = false;
++ long old = lsn.get();
++- int pageIndex = getLogPageIndex(old); // get the log page
++- // corresponding to the
++- // current lsn value
+++
+++ //get the log page corresponding to the current lsn value
+++ int pageIndex = getLogPageIndex(old);
++ long retVal = old;
++- long next = old + entrySize; // the lsn value for the next request,
++- // if the current request is served.
+++
+++ // the lsn value for the next request if the current request is served.
+++ long next = old + entrySize;
++ int prevPage = -1;
++- if ((next - 1) / pageSize != old / pageSize // check if the log
++- // record will cross
++- // page boundaries, a
++- // case that is not
++- // allowed.
++- || (next % pageSize == 0)) {
+++
+++ // check if the log record will cross page boundaries, a case that is not allowed.
+++ if ((next - 1) / pageSize != old / pageSize || (next % pageSize == 0)) {
+++
++ if ((old != 0 && old % pageSize == 0)) {
++- retVal = old; // On second thought, this shall never be the
++- // case as it means that the lsn is
++- // currently at the beginning of a page and
++- // we still need to forward the page which
++- // means that the entrySize exceeds a log
++- // page size. If this is the case, an
++- // exception is thrown before calling this
++- // API.
++- // would remove this case.
+++ // On second thought, this shall never be the case as it means that the lsn is
+++ // currently at the beginning of a page and we still need to forward the page which
+++ // means that the entrySize exceeds a log page size. If this is the case, an
+++ // exception is thrown before calling this API. would remove this case.
+++ retVal = old;
+
+- private static final ARecordType createDataverseRecordType() {
+-- return new ARecordType("DataverseRecordType", new String[] { "DataverseName", "DataFormat", "Timestamp" },
+-- new IAType[] { BuiltinType.ASTRING, BuiltinType.ASTRING, BuiltinType.ASTRING }, true);
+-+ return new ARecordType("DataverseRecordType", new String[] { "DataverseName", "DataFormat", "Timestamp", "PendingOp" },
+-+ new IAType[] { BuiltinType.ASTRING, BuiltinType.ASTRING, BuiltinType.ASTRING, BuiltinType.AINT32 }, true);
+- }
++ } else {
++- retVal = ((old / pageSize) + 1) * pageSize; // set the lsn
++- // to point to
++- // the beginning
++- // of the next
++- // page.
+++ // set the lsn to point to the beginning of the next page.
+++ retVal = ((old / pageSize) + 1) * pageSize;
++ }
+++
++ next = retVal;
++- forwardPage = true; // as the log record shall cross log page
++- // boundary, we must re-assign the lsn (so
++- // that the log record begins on a different
++- // location.
+++
+++ // as the log record shall cross log page boundary, we must re-assign the lsn so
+++ // that the log record begins on a different location.
+++ forwardPage = true;
+++
++ prevPage = pageIndex;
++ pageIndex = getNextPageInSequence(pageIndex);
++ }
++@@ -397,109 +349,51 @@
++ */
++ waitUntillPageIsAvailableForWritingLog(pageIndex);
+
+- // Helper constants for accessing fields in an ARecord of anonymous type
+-@@ -158,10 +159,11 @@
+- public static final int DATASET_ARECORD_FEEDDETAILS_FIELD_INDEX = 6;
+- public static final int DATASET_ARECORD_TIMESTAMP_FIELD_INDEX = 7;
+- public static final int DATASET_ARECORD_DATASETID_FIELD_INDEX = 8;
+-+ public static final int DATASET_ARECORD_PENDINGOP_FIELD_INDEX = 9;
++- if (!forwardPage && requiresFlushing) {
++- shouldFlushPage = commitResolver.shouldCommitPage(pageIndex, this, commitRequestStatistics);
++- if (shouldFlushPage) {
++- next = ((next / pageSize) + 1) * pageSize; /*
++- * next
++- * represents the
++- * next value of
++- * lsn after this
++- * log record has
++- * been written.
++- * If the page
++- * needs to be
++- * flushed, then
++- * we do not give
++- * any more LSNs
++- * from this
++- * page.
++- */
++- }
++- }
++- if (!lsn.compareAndSet(old, next)) { // Atomic call -> returns true
++- // only when the value
++- // represented by lsn is same as
++- // "old". The value is updated
++- // to "next".
+++ if (!lsn.compareAndSet(old, next)) {
+++ // Atomic call -> returns true only when the value represented by lsn is same as
+++ // "old". The value is updated to "next".
++ continue;
++ }
+
+- private static final ARecordType createDatasetRecordType() {
+- String[] fieldNames = { "DataverseName", "DatasetName", "DataTypeName", "DatasetType", "InternalDetails",
+-- "ExternalDetails", "FeedDetails", "Timestamp", "DatasetId" };
+-+ "ExternalDetails", "FeedDetails", "Timestamp", "DatasetId", "PendingOp" };
++ if (forwardPage) {
++- //TODO
++- //this is not safe since the incoming thread may reach the same page slot with this page
++- //(differ by the log buffer size)
++- logPageStatus[prevPage].set(PageState.INACTIVE); // mark
++- // previous
++- // page
++- // inactive
+++ addFlushRequest(prevPage, old, false);
+
+- List<IAType> internalRecordUnionList = new ArrayList<IAType>();
+- internalRecordUnionList.add(BuiltinType.ANULL);
+-@@ -179,7 +181,8 @@
+- AUnionType feedRecordUnion = new AUnionType(feedRecordUnionList, null);
+-
+- IAType[] fieldTypes = { BuiltinType.ASTRING, BuiltinType.ASTRING, BuiltinType.ASTRING, BuiltinType.ASTRING,
+-- internalRecordUnion, externalRecordUnion, feedRecordUnion, BuiltinType.ASTRING, BuiltinType.AINT32 };
+-+ internalRecordUnion, externalRecordUnion, feedRecordUnion, BuiltinType.ASTRING, BuiltinType.AINT32,
+-+ BuiltinType.AINT32 };
+- return new ARecordType("DatasetRecordType", fieldNames, fieldTypes, true);
++- /*
++- * decrement on the behalf of the log manager. if there are no
++- * more owners (count == 0) the page must be marked as a
++- * candidate to be flushed.
++- */
++- int pageDirtyCount = getLogPageOwnershipCount(prevPage).decrementAndGet();
++- if (pageDirtyCount == 0) {
++- addFlushRequest(prevPage);
++- }
++-
++- /*
++- * The transaction thread that discovers the need to forward a
++- * page is made to re-acquire a lsn.
++- */
+++ // The transaction thread that discovers the need to forward a
+++ // page is made to re-acquire a lsn.
++ continue;
+++
++ } else {
++- /*
++- * the transaction thread has been given a space in a log page,
++- * but is made to wait until the page is available.
++- */
+++ // the transaction thread has been given a space in a log page,
+++ // but is made to wait until the page is available.
+++ // (Is this needed? when does this wait happen?)
++ waitUntillPageIsAvailableForWritingLog(pageIndex);
++- /*
++- * increment the counter as the transaction thread now holds a
++- * space in the log page and hence is an owner.
++- */
+++
+++ // increment the counter as the transaction thread now holds a
+++ // space in the log page and hence is an owner.
++ logPageOwnerCount[pageIndex].incrementAndGet();
++- }
++- if (requiresFlushing) {
++- if (!shouldFlushPage) {
++- /*
++- * the log record requires the page to be flushed but under
++- * the commit policy, the flush task has been deferred. The
++- * transaction thread submits its request to flush the page.
++- */
++- commitRequestStatistics.registerCommitRequest(pageIndex);
++- } else {
++- /*
++- * the flush request was approved by the commit resolver.
++- * Thus the page is marked INACTIVE as no more logs will be
++- * written on this page. The log manager needs to release
++- * its ownership. Note that transaction threads may still
++- * continue to be owners of the log page till they fill up
++- * the space allocated to them.
++- */
++- logPageStatus[pageIndex].set(PageState.INACTIVE);
++- logPageOwnerCount[pageIndex].decrementAndGet(); // on
++- // the
++- // behalf
++- // of
++- // log
++- // manager
+++
+++ // Before the count is incremented, if the flusher flushed the allocated page,
+++ // then retry to get new LSN. Otherwise, the log with allocated lsn will be lost.
+++ if (lastFlushedLsn.get() >= retVal) {
+++ logPageOwnerCount[pageIndex].decrementAndGet();
+++ continue;
++ }
++ }
+++
++ return retVal;
++ }
+ }
+
+-@@ -264,13 +267,14 @@
+- public static final int INDEX_ARECORD_SEARCHKEY_FIELD_INDEX = 4;
+- public static final int INDEX_ARECORD_ISPRIMARY_FIELD_INDEX = 5;
+- public static final int INDEX_ARECORD_TIMESTAMP_FIELD_INDEX = 6;
+-+ public static final int INDEX_ARECORD_PENDINGOP_FIELD_INDEX = 7;
++ @Override
++- public void log(byte logType, TransactionContext context, int datasetId, int PKHashValue, long resourceId,
+++ public void log(byte logType, TransactionContext txnCtx, int datasetId, int PKHashValue, long resourceId,
++ byte resourceMgrId, int logContentSize, ReusableLogContentObject reusableLogContentObject, ILogger logger,
++ LogicalLogLocator logicalLogLocator) throws ACIDException {
++- /*
++- * logLocator is a re-usable object that is appropriately set in each
++- * invocation. If the reference is null, the log manager must throw an
++- * exception
++- */
+++
+++ HashMap<TransactionContext, Integer> map = null;
+++ int activeTxnCount;
+++
+++ // logLocator is a re-usable object that is appropriately set in each invocation.
+++ // If the reference is null, the log manager must throw an exception.
++ if (logicalLogLocator == null) {
++ throw new ACIDException(
++ " you need to pass in a non-null logLocator, if you dont have it, then pass in a dummy so that the +"
++@@ -519,20 +413,19 @@
+
+- private static final ARecordType createIndexRecordType() {
+- AOrderedListType olType = new AOrderedListType(BuiltinType.ASTRING, null);
+- String[] fieldNames = { "DataverseName", "DatasetName", "IndexName", "IndexStructure", "SearchKey",
+-- "IsPrimary", "Timestamp" };
+-+ "IsPrimary", "Timestamp", "PendingOp" };
+- IAType[] fieldTypes = { BuiltinType.ASTRING, BuiltinType.ASTRING, BuiltinType.ASTRING, BuiltinType.ASTRING,
+-- olType, BuiltinType.ABOOLEAN, BuiltinType.ASTRING };
+-+ olType, BuiltinType.ABOOLEAN, BuiltinType.ASTRING, BuiltinType.AINT32 };
+- return new ARecordType("IndexRecordType", fieldNames, fieldTypes, true);
+- };
++ // all constraints checked and we are good to go and acquire a lsn.
++ long previousLSN = -1;
++- long currentLSN; // the will be set to the location (a long value)
++- // where the log record needs to be placed.
+
+-Index: asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/bootstrap/MetadataBootstrap.java
+-===================================================================
+---- asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/bootstrap/MetadataBootstrap.java (revision 1061)
+-+++ asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/bootstrap/MetadataBootstrap.java (working copy)
+-@@ -31,6 +31,7 @@
+- import edu.uci.ics.asterix.metadata.IDatasetDetails;
+- import edu.uci.ics.asterix.metadata.MetadataManager;
+- import edu.uci.ics.asterix.metadata.MetadataTransactionContext;
+-+import edu.uci.ics.asterix.metadata.api.IMetadataEntity;
+- import edu.uci.ics.asterix.metadata.api.IMetadataIndex;
+- import edu.uci.ics.asterix.metadata.entities.AsterixBuiltinTypeMap;
+- import edu.uci.ics.asterix.metadata.entities.Dataset;
+-@@ -226,7 +227,7 @@
+- public static void insertInitialDataverses(MetadataTransactionContext mdTxnCtx) throws Exception {
+- String dataverseName = MetadataPrimaryIndexes.DATAVERSE_DATASET.getDataverseName();
+- String dataFormat = NonTaggedDataFormat.NON_TAGGED_DATA_FORMAT;
+-- MetadataManager.INSTANCE.addDataverse(mdTxnCtx, new Dataverse(dataverseName, dataFormat));
+-+ MetadataManager.INSTANCE.addDataverse(mdTxnCtx, new Dataverse(dataverseName, dataFormat, IMetadataEntity.PENDING_NO_OP));
+- }
++- /*
++- * The logs written by a transaction need to be linked to each other for
++- * a successful rollback/recovery. However there could be multiple
++- * threads operating concurrently that are part of a common transaction.
++- * These threads need to synchronize and record the lsn corresponding to
++- * the last log record written by (any thread of) the transaction.
++- */
++- synchronized (context) {
++- previousLSN = context.getLastLogLocator().getLsn();
+++ // the will be set to the location (a long value) where the log record needs to be placed.
+++ long currentLSN;
+++
+++ // The logs written by a transaction need to be linked to each other for
+++ // a successful rollback/recovery. However there could be multiple
+++ // threads operating concurrently that are part of a common transaction.
+++ // These threads need to synchronize and record the lsn corresponding to
+++ // the last log record written by (any thread of) the transaction.
+++ synchronized (txnCtx) {
+++ previousLSN = txnCtx.getLastLogLocator().getLsn();
++ currentLSN = getLsn(totalLogSize, logType);
++- context.setLastLSN(currentLSN);
+++ txnCtx.setLastLSN(currentLSN);
++ if (IS_DEBUG_MODE) {
++ System.out.println("--------------> LSN(" + currentLSN + ") is allocated");
++ }
++@@ -547,48 +440,37 @@
++ * performed correctly that is ownership is released.
++ */
+
+- public static void insertInitialDatasets(MetadataTransactionContext mdTxnCtx) throws Exception {
+-@@ -236,7 +237,7 @@
+- primaryIndexes[i].getNodeGroupName());
+- MetadataManager.INSTANCE.addDataset(mdTxnCtx, new Dataset(primaryIndexes[i].getDataverseName(),
+- primaryIndexes[i].getIndexedDatasetName(), primaryIndexes[i].getPayloadRecordType().getTypeName(),
+-- id, DatasetType.INTERNAL, primaryIndexes[i].getDatasetId().getId()));
+-+ id, DatasetType.INTERNAL, primaryIndexes[i].getDatasetId().getId(), IMetadataEntity.PENDING_NO_OP));
+- }
+- }
++- boolean decremented = false; // indicates if the transaction thread
++- // has release ownership of the
++- // page.
++- boolean addedFlushRequest = false; // indicates if the transaction
++- // thread has submitted a flush
++- // request.
+++ // indicates if the transaction thread has release ownership of the page.
+++ boolean decremented = false;
+
+-@@ -267,7 +268,7 @@
+- for (int i = 0; i < secondaryIndexes.length; i++) {
+- MetadataManager.INSTANCE.addIndex(mdTxnCtx, new Index(secondaryIndexes[i].getDataverseName(),
+- secondaryIndexes[i].getIndexedDatasetName(), secondaryIndexes[i].getIndexName(), IndexType.BTREE,
+-- secondaryIndexes[i].getPartitioningExpr(), false));
+-+ secondaryIndexes[i].getPartitioningExpr(), false, IMetadataEntity.PENDING_NO_OP));
+- }
+- }
++ int pageIndex = (int) getLogPageIndex(currentLSN);
+
+-Index: asterix-app/src/test/java/edu/uci/ics/asterix/test/runtime/ExecutionTest.java
+-===================================================================
+---- asterix-app/src/test/java/edu/uci/ics/asterix/test/runtime/ExecutionTest.java (revision 1061)
+-+++ asterix-app/src/test/java/edu/uci/ics/asterix/test/runtime/ExecutionTest.java (working copy)
+-@@ -95,11 +95,11 @@
+- File testFile = tcCtx.getTestFile(cUnit);
+-
+- /*************** to avoid run failure cases ****************
+-- if (!testFile.getAbsolutePath().contains("runtimets/queries/failure/")) {
+-+ if (!testFile.getAbsolutePath().contains("index-selection/")) {
+- continue;
+- }
+- ************************************************************/
++- /*
++- * the lsn has been obtained for the log record. need to set the
++- * LogLocator instance accordingly.
++- */
+ -
+-+
+- File expectedResultFile = tcCtx.getExpectedResultFile(cUnit);
+- File actualFile = new File(PATH_ACTUAL + File.separator
+- + tcCtx.getTestCase().getFilePath().replace(File.separator, "_") + "_" + cUnit.getName() + ".adm");
+-Index: asterix-app/src/main/java/edu/uci/ics/asterix/file/DatasetOperations.java
+-===================================================================
+---- asterix-app/src/main/java/edu/uci/ics/asterix/file/DatasetOperations.java (revision 1061)
+-+++ asterix-app/src/main/java/edu/uci/ics/asterix/file/DatasetOperations.java (working copy)
+-@@ -90,7 +90,7 @@
+++ // the lsn has been obtained for the log record. need to set the
+++ // LogLocator instance accordingly.
++ try {
++-
++ logicalLogLocator.setBuffer(logPages[pageIndex]);
++ int pageOffset = getLogPageOffset(currentLSN);
++ logicalLogLocator.setMemoryOffset(pageOffset);
+
+- private static Logger LOGGER = Logger.getLogger(DatasetOperations.class.getName());
++- /*
++- * write the log header.
++- */
++- logRecordHelper.writeLogHeader(logicalLogLocator, logType, context, datasetId, PKHashValue, previousLSN,
+++ // write the log header.
+++ logRecordHelper.writeLogHeader(logicalLogLocator, logType, txnCtx, datasetId, PKHashValue, previousLSN,
++ resourceId, resourceMgrId, logContentSize);
+
+-- public static JobSpecification[] createDropDatasetJobSpec(CompiledDatasetDropStatement datasetDropStmt,
+-+ public static JobSpecification createDropDatasetJobSpec(CompiledDatasetDropStatement datasetDropStmt,
+- AqlMetadataProvider metadataProvider) throws AlgebricksException, HyracksDataException, RemoteException,
+- ACIDException, AsterixException {
++ // increment the offset so that the transaction can fill up the
++ // content in the correct region of the allocated space.
++ logicalLogLocator.increaseMemoryOffset(logRecordHelper.getLogHeaderSize(logType));
+
+-@@ -111,67 +111,10 @@
+- throw new AlgebricksException("DROP DATASET: No metadata for dataset " + datasetName);
+- }
+- if (dataset.getDatasetType() == DatasetType.EXTERNAL) {
+-- return new JobSpecification[0];
+-+ return new JobSpecification();
+- }
+--
+-- List<Index> datasetIndexes = metadataProvider.getDatasetIndexes(dataset.getDataverseName(),
+-- dataset.getDatasetName());
+-- int numSecondaryIndexes = 0;
+-- for (Index index : datasetIndexes) {
+-- if (index.isSecondaryIndex()) {
+-- numSecondaryIndexes++;
+-- }
+-- }
+-- JobSpecification[] specs;
+-- if (numSecondaryIndexes > 0) {
+-- specs = new JobSpecification[numSecondaryIndexes + 1];
+-- int i = 0;
+-- // First, drop secondary indexes.
+-- for (Index index : datasetIndexes) {
+-- if (index.isSecondaryIndex()) {
+-- specs[i] = new JobSpecification();
+-- Pair<IFileSplitProvider, AlgebricksPartitionConstraint> idxSplitsAndConstraint = metadataProvider
+-- .splitProviderAndPartitionConstraintsForInternalOrFeedDataset(dataset.getDataverseName(),
+-- datasetName, index.getIndexName());
+-- IIndexDataflowHelperFactory dfhFactory;
+-- switch (index.getIndexType()) {
+-- case BTREE:
+-- dfhFactory = new LSMBTreeDataflowHelperFactory(
+-- AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER,
+-- AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER,
+-- AsterixRuntimeComponentsProvider.LSMBTREE_PROVIDER);
+-- break;
+-- case RTREE:
+-- dfhFactory = new LSMRTreeDataflowHelperFactory(
+-- new IPrimitiveValueProviderFactory[] { null }, RTreePolicyType.RTREE,
+-- new IBinaryComparatorFactory[] { null },
+-- AsterixRuntimeComponentsProvider.LSMRTREE_PROVIDER,
+-- AsterixRuntimeComponentsProvider.LSMRTREE_PROVIDER,
+-- AsterixRuntimeComponentsProvider.LSMRTREE_PROVIDER, null);
+-- break;
+-- case NGRAM_INVIX:
+-- case WORD_INVIX:
+-- dfhFactory = new LSMInvertedIndexDataflowHelperFactory(
+-- AsterixRuntimeComponentsProvider.LSMINVERTEDINDEX_PROVIDER,
+-- AsterixRuntimeComponentsProvider.LSMINVERTEDINDEX_PROVIDER,
+-- AsterixRuntimeComponentsProvider.LSMINVERTEDINDEX_PROVIDER);
+-- break;
+-- default:
+-- throw new AsterixException("Unknown index type provided.");
+-- }
+-- IndexDropOperatorDescriptor secondaryBtreeDrop = new IndexDropOperatorDescriptor(specs[i],
+-- AsterixRuntimeComponentsProvider.NOINDEX_PROVIDER,
+-- AsterixRuntimeComponentsProvider.NOINDEX_PROVIDER, idxSplitsAndConstraint.first, dfhFactory);
+-- AlgebricksPartitionConstraintHelper.setPartitionConstraintInJobSpec(specs[i], secondaryBtreeDrop,
+-- idxSplitsAndConstraint.second);
+-- i++;
+-- }
+-- }
+-- } else {
+-- specs = new JobSpecification[1];
+-- }
+-+
+- JobSpecification specPrimary = new JobSpecification();
+-- specs[specs.length - 1] = specPrimary;
++- // a COMMIT log record does not have any content
++- // and hence the logger (responsible for putting the log content) is
++- // not invoked.
+++ // a COMMIT log record does not have any content and hence
+++ // the logger (responsible for putting the log content) is not invoked.
++ if (logContentSize != 0) {
++- logger.preLog(context, reusableLogContentObject);
+++ logger.preLog(txnCtx, reusableLogContentObject);
++ }
+
+- Pair<IFileSplitProvider, AlgebricksPartitionConstraint> splitsAndConstraint = metadataProvider
+- .splitProviderAndPartitionConstraintsForInternalOrFeedDataset(dataset.getDataverseName(), datasetName,
+-@@ -187,7 +130,7 @@
++ if (logContentSize != 0) {
++ // call the logger implementation and ask to fill in the log
++ // record content at the allocated space.
++- logger.log(context, logicalLogLocator, logContentSize, reusableLogContentObject);
++- logger.postLog(context, reusableLogContentObject);
+++ logger.log(txnCtx, logicalLogLocator, logContentSize, reusableLogContentObject);
+++ logger.postLog(txnCtx, reusableLogContentObject);
++ if (IS_DEBUG_MODE) {
++ logicalLogLocator.setMemoryOffset(logicalLogLocator.getMemoryOffset()
++ - logRecordHelper.getLogHeaderSize(logType));
++@@ -597,10 +479,8 @@
++ }
++ }
+
+- specPrimary.addRoot(primaryBtreeDrop);
++- /*
++- * The log record has been written. For integrity checks, compute
++- * the checksum and put it at the end of the log record.
++- */
+++ // The log record has been written. For integrity checks, compute
+++ // the checksum and put it at the end of the log record.
++ int startPosChecksum = logicalLogLocator.getMemoryOffset() - logRecordHelper.getLogHeaderSize(logType);
++ int length = totalLogSize - logRecordHelper.getLogChecksumSize();
++ long checksum = DataUtil.getChecksum(logPages[pageIndex], startPosChecksum, length);
++@@ -611,46 +491,31 @@
++ System.out.println("--------------> LSN(" + currentLSN + ") is written");
++ }
+
+-- return specs;
+-+ return specPrimary;
+- }
++- /*
++- * release the ownership as the log record has been placed in
++- * created space.
++- */
++- int pageDirtyCount = logPageOwnerCount[pageIndex].decrementAndGet();
+++ // release the ownership as the log record has been placed in created space.
+++ logPageOwnerCount[pageIndex].decrementAndGet();
+
+- public static JobSpecification createDatasetJobSpec(Dataverse dataverse, String datasetName,
+-Index: asterix-app/src/main/java/edu/uci/ics/asterix/aql/translator/AqlTranslator.java
+-===================================================================
+---- asterix-app/src/main/java/edu/uci/ics/asterix/aql/translator/AqlTranslator.java (revision 1061)
+-+++ asterix-app/src/main/java/edu/uci/ics/asterix/aql/translator/AqlTranslator.java (working copy)
+-@@ -21,6 +21,8 @@
+- import java.util.HashMap;
+- import java.util.List;
+- import java.util.Map;
+-+import java.util.concurrent.locks.ReadWriteLock;
+-+import java.util.concurrent.locks.ReentrantReadWriteLock;
++ // indicating that the transaction thread has released ownership
++ decremented = true;
+
+- import org.json.JSONException;
++- /*
++- * If the transaction thread happens to be the last owner of the log
++- * page the page must by marked as a candidate to be flushed.
++- */
++- if (pageDirtyCount == 0 && logPageStatus[pageIndex].get() == PageState.INACTIVE) {
++- addFlushRequest(pageIndex);
++- addedFlushRequest = true;
++- }
++-
++- /*
++- * If the log type is commit, a flush request is registered, if the
++- * log record has not reached the disk. It may be possible that this
++- * thread does not get CPU cycles and in-between the log record has
++- * been flushed to disk because the containing log page filled up.
++- */
++- if (logType == LogType.COMMIT) {
++- synchronized (logPages[pageIndex]) {
++- while (getLastFlushedLsn().get() < currentLSN) {
++- logPages[pageIndex].wait();
++- }
+++ if (logType == LogType.ENTITY_COMMIT) {
+++ map = activeTxnCountMaps.get(pageIndex);
+++ if (map.containsKey(txnCtx)) {
+++ activeTxnCount = (Integer) map.get(txnCtx);
+++ activeTxnCount++;
+++ map.put(txnCtx, activeTxnCount);
+++ } else {
+++ map.put(txnCtx, 1);
++ }
+++ addFlushRequest(pageIndex, currentLSN, false);
+++ } else if (logType == LogType.COMMIT) {
+++ addFlushRequest(pageIndex, currentLSN, true);
++ }
+
+-@@ -68,6 +70,7 @@
+- import edu.uci.ics.asterix.metadata.MetadataException;
+- import edu.uci.ics.asterix.metadata.MetadataManager;
+- import edu.uci.ics.asterix.metadata.MetadataTransactionContext;
+-+import edu.uci.ics.asterix.metadata.api.IMetadataEntity;
+- import edu.uci.ics.asterix.metadata.declared.AqlMetadataProvider;
+- import edu.uci.ics.asterix.metadata.entities.Dataset;
+- import edu.uci.ics.asterix.metadata.entities.Datatype;
+-@@ -112,6 +115,7 @@
+- private final PrintWriter out;
+- private final SessionConfig sessionConfig;
+- private final DisplayFormat pdf;
+-+ private final ReadWriteLock cacheLatch;
+- private Dataverse activeDefaultDataverse;
+- private List<FunctionDecl> declaredFunctions;
++ } catch (Exception e) {
++ e.printStackTrace();
++- throw new ACIDException(context, "Thread: " + Thread.currentThread().getName()
+++ throw new ACIDException(txnCtx, "Thread: " + Thread.currentThread().getName()
++ + " logger encountered exception", e);
++ } finally {
++- /*
++- * If an exception was encountered and we did not release ownership
++- */
++ if (!decremented) {
++ logPageOwnerCount[pageIndex].decrementAndGet();
++ }
++@@ -667,9 +532,6 @@
+
+-@@ -121,6 +125,7 @@
+- this.out = out;
+- this.sessionConfig = pc;
+- this.pdf = pdf;
+-+ this.cacheLatch = new ReentrantReadWriteLock(true);
+- declaredFunctions = getDeclaredFunctions(aqlStatements);
++ logPages[pageIndex].reset(filePath, LogUtil.getFileOffset(this, nextWritePosition),
++ logManagerProperties.getLogPageSize());
++-
++- //TODO Check if this is necessary
++- //Arrays.fill(logPages[pageIndex].getArray(), (byte) 0);
+ }
+
+-@@ -143,8 +148,7 @@
++ @Override
++@@ -747,16 +609,13 @@
++ //minimize memory allocation overhead. current code allocates the log page size per reading a log record.
+
+- for (Statement stmt : aqlStatements) {
+- validateOperation(activeDefaultDataverse, stmt);
+-- MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+-- AqlMetadataProvider metadataProvider = new AqlMetadataProvider(mdTxnCtx, activeDefaultDataverse);
+-+ AqlMetadataProvider metadataProvider = new AqlMetadataProvider(activeDefaultDataverse);
+- metadataProvider.setWriterFactory(writerFactory);
+- metadataProvider.setOutputFile(outputFile);
+- metadataProvider.setConfig(config);
+-@@ -253,15 +257,9 @@
+- }
++ byte[] pageContent = new byte[logManagerProperties.getLogPageSize()];
++- // take a lock on the log page so that the page is not flushed to
++- // disk interim
+++
+++ // take a lock on the log page so that the page is not flushed to disk interim
++ synchronized (logPages[pageIndex]) {
++- if (lsnValue > getLastFlushedLsn().get()) { // need to check
++- // again
++- // (this
++- // thread may have got
++- // de-scheduled and must
++- // refresh!)
+
+- }
+-- MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+- } catch (Exception e) {
+-- MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+- throw new AlgebricksException(e);
+++ // need to check again (this thread may have got de-scheduled and must refresh!)
+++ if (lsnValue > getLastFlushedLsn().get()) {
+++
++ // get the log record length
++ logPages[pageIndex].getBytes(pageContent, 0, pageContent.length);
++ byte logType = pageContent[pageOffset + 4];
++@@ -765,9 +624,7 @@
++ int logRecordSize = logHeaderSize + logBodySize + logRecordHelper.getLogChecksumSize();
++ logRecord = new byte[logRecordSize];
++
++- /*
++- * copy the log record content
++- */
+++ // copy the log record content
++ System.arraycopy(pageContent, pageOffset, logRecord, 0, logRecordSize);
++ MemBasedBuffer memBuffer = new MemBasedBuffer(logRecord);
++ if (logicalLogLocator == null) {
++@@ -790,9 +647,7 @@
+ }
+-- // Following jobs are run under a separate transaction, that is committed/aborted by the JobEventListener
+-- for (JobSpecification jobspec : jobsToExecute) {
+-- runJob(hcc, jobspec);
+-- }
+ }
+- return executionResult;
++
++- /*
++- * the log record is residing on the disk, read it from there.
++- */
+++ // the log record is residing on the disk, read it from there.
++ readDiskLog(lsnValue, logicalLogLocator);
+ }
+-@@ -289,398 +287,802 @@
+
+- private Dataverse handleUseDataverseStatement(AqlMetadataProvider metadataProvider, Statement stmt,
+- List<JobSpecification> jobsToExecute) throws MetadataException, RemoteException, ACIDException {
+-- DataverseDecl dvd = (DataverseDecl) stmt;
+-- String dvName = dvd.getDataverseName().getValue();
+-- Dataverse dv = MetadataManager.INSTANCE.getDataverse(metadataProvider.getMetadataTxnContext(), dvName);
+-- if (dv == null) {
+-- throw new MetadataException("Unknown dataverse " + dvName);
+-+
+-+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+-+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+-+ acquireReadLatch();
+-+
+-+ try {
+-+ DataverseDecl dvd = (DataverseDecl) stmt;
+-+ String dvName = dvd.getDataverseName().getValue();
+-+ Dataverse dv = MetadataManager.INSTANCE.getDataverse(metadataProvider.getMetadataTxnContext(), dvName);
+-+ if (dv == null) {
+-+ throw new MetadataException("Unknown dataverse " + dvName);
+-+ }
+-+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+-+ return dv;
+-+ } catch (Exception e) {
+-+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+-+ throw new MetadataException(e);
+-+ } finally {
+-+ releaseReadLatch();
+- }
+-- return dv;
++@@ -860,30 +715,40 @@
++ return logPageOwnerCount[pageIndex];
+ }
+
+- private void handleCreateDataverseStatement(AqlMetadataProvider metadataProvider, Statement stmt,
+- List<JobSpecification> jobsToExecute) throws MetadataException, AlgebricksException, RemoteException,
+- ACIDException {
+-- CreateDataverseStatement stmtCreateDataverse = (CreateDataverseStatement) stmt;
+-- String dvName = stmtCreateDataverse.getDataverseName().getValue();
+-- Dataverse dv = MetadataManager.INSTANCE.getDataverse(metadataProvider.getMetadataTxnContext(), dvName);
+-- if (dv != null && !stmtCreateDataverse.getIfNotExists()) {
+-- throw new AlgebricksException("A dataverse with this name " + dvName + " already exists.");
+-+
+-+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+-+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+-+ acquireWriteLatch();
+-+
+-+ try {
+-+ CreateDataverseStatement stmtCreateDataverse = (CreateDataverseStatement) stmt;
+-+ String dvName = stmtCreateDataverse.getDataverseName().getValue();
+-+ Dataverse dv = MetadataManager.INSTANCE.getDataverse(metadataProvider.getMetadataTxnContext(), dvName);
+-+ if (dv != null && !stmtCreateDataverse.getIfNotExists()) {
+-+ throw new AlgebricksException("A dataverse with this name " + dvName + " already exists.");
+-+ }
+-+ MetadataManager.INSTANCE.addDataverse(metadataProvider.getMetadataTxnContext(), new Dataverse(dvName,
+-+ stmtCreateDataverse.getFormat(), IMetadataEntity.PENDING_NO_OP));
+-+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+-+ } catch (Exception e) {
+-+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+-+ throw new AlgebricksException(e);
+-+ } finally {
+-+ releaseWriteLatch();
+- }
+-- MetadataManager.INSTANCE.addDataverse(metadataProvider.getMetadataTxnContext(), new Dataverse(dvName,
+-- stmtCreateDataverse.getFormat()));
++- public ICommitResolver getCommitResolver() {
++- return commitResolver;
++- }
++-
++- public CommitRequestStatistics getCommitRequestStatistics() {
++- return commitRequestStatistics;
++- }
++-
++ public IFileBasedBuffer[] getLogPages() {
++ return logPages;
+ }
+
+- private void handleCreateDatasetStatement(AqlMetadataProvider metadataProvider, Statement stmt,
+- IHyracksClientConnection hcc, List<JobSpecification> jobsToExecute) throws AsterixException, Exception {
+-- DatasetDecl dd = (DatasetDecl) stmt;
+-- String dataverseName = dd.getDataverse() != null ? dd.getDataverse().getValue()
+-- : activeDefaultDataverse != null ? activeDefaultDataverse.getDataverseName() : null;
+-- if (dataverseName == null) {
+-- throw new AlgebricksException(" dataverse not specified ");
+-- }
+-- String datasetName = dd.getName().getValue();
+-- DatasetType dsType = dd.getDatasetType();
+-- String itemTypeName = dd.getItemTypeName().getValue();
+-
+-- IDatasetDetails datasetDetails = null;
+-- Dataset ds = MetadataManager.INSTANCE.getDataset(metadataProvider.getMetadataTxnContext(), dataverseName,
+-- datasetName);
+-- if (ds != null) {
+-- if (dd.getIfNotExists()) {
+-- return;
+-- } else {
+-- throw new AlgebricksException("A dataset with this name " + datasetName + " already exists.");
+-+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+-+ boolean bActiveTxn = true;
+-+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+-+ acquireWriteLatch();
++- public int getLastFlushedPage() {
++- return lastFlushedPage.get();
++- }
++-
++- public void setLastFlushedPage(int lastFlushedPage) {
++- this.lastFlushedPage.set(lastFlushedPage);
++- }
++-
++ @Override
++ public TransactionSubsystem getTransactionSubsystem() {
++ return provider;
++ }
+ +
+-+ try {
+-+ DatasetDecl dd = (DatasetDecl) stmt;
+-+ String dataverseName = dd.getDataverse() != null ? dd.getDataverse().getValue()
+-+ : activeDefaultDataverse != null ? activeDefaultDataverse.getDataverseName() : null;
+-+ if (dataverseName == null) {
+-+ throw new AlgebricksException(" dataverse not specified ");
+- }
+-- }
+-- Datatype dt = MetadataManager.INSTANCE.getDatatype(metadataProvider.getMetadataTxnContext(), dataverseName,
+-- itemTypeName);
+-- if (dt == null) {
+-- throw new AlgebricksException(": type " + itemTypeName + " could not be found.");
+-- }
+-- switch (dd.getDatasetType()) {
+-- case INTERNAL: {
+-- IAType itemType = dt.getDatatype();
+-- if (itemType.getTypeTag() != ATypeTag.RECORD) {
+-- throw new AlgebricksException("Can only partition ARecord's.");
+-+ String datasetName = dd.getName().getValue();
+-+ DatasetType dsType = dd.getDatasetType();
+-+ String itemTypeName = dd.getItemTypeName().getValue();
+++ public void decrementActiveTxnCountOnIndexes(int pageIndex) throws HyracksDataException {
+++ TransactionContext ctx = null;
+++ int count = 0;
+++ int i = 0;
+ +
+-+ IDatasetDetails datasetDetails = null;
+-+ Dataset ds = MetadataManager.INSTANCE.getDataset(metadataProvider.getMetadataTxnContext(), dataverseName,
+-+ datasetName);
+-+ if (ds != null) {
+-+ if (dd.getIfNotExists()) {
+-+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+-+ return;
+-+ } else {
+-+ throw new AlgebricksException("A dataset with this name " + datasetName + " already exists.");
+- }
+-- List<String> partitioningExprs = ((InternalDetailsDecl) dd.getDatasetDetailsDecl())
+-- .getPartitioningExprs();
+-- String ngName = ((InternalDetailsDecl) dd.getDatasetDetailsDecl()).getNodegroupName().getValue();
+-- datasetDetails = new InternalDatasetDetails(InternalDatasetDetails.FileStructure.BTREE,
+-- InternalDatasetDetails.PartitioningStrategy.HASH, partitioningExprs, partitioningExprs, ngName);
+-- break;
+- }
+-- case EXTERNAL: {
+-- String adapter = ((ExternalDetailsDecl) dd.getDatasetDetailsDecl()).getAdapter();
+-- Map<String, String> properties = ((ExternalDetailsDecl) dd.getDatasetDetailsDecl()).getProperties();
+-- datasetDetails = new ExternalDatasetDetails(adapter, properties);
+-- break;
+-+ Datatype dt = MetadataManager.INSTANCE.getDatatype(metadataProvider.getMetadataTxnContext(), dataverseName,
+-+ itemTypeName);
+-+ if (dt == null) {
+-+ throw new AlgebricksException(": type " + itemTypeName + " could not be found.");
+- }
+-- case FEED: {
+-- IAType itemType = dt.getDatatype();
+-- if (itemType.getTypeTag() != ATypeTag.RECORD) {
+-- throw new AlgebricksException("Can only partition ARecord's.");
+-+ switch (dd.getDatasetType()) {
+-+ case INTERNAL: {
+-+ IAType itemType = dt.getDatatype();
+-+ if (itemType.getTypeTag() != ATypeTag.RECORD) {
+-+ throw new AlgebricksException("Can only partition ARecord's.");
+++ HashMap<TransactionContext, Integer> map = activeTxnCountMaps.get(pageIndex);
+++ Set<Map.Entry<TransactionContext, Integer>> entrySet = map.entrySet();
+++ if (entrySet != null) {
+++ for (Map.Entry<TransactionContext, Integer> entry : entrySet) {
+++ if (entry != null) {
+++ if (entry.getValue() != null) {
+++ count = entry.getValue();
+ + }
+-+ List<String> partitioningExprs = ((InternalDetailsDecl) dd.getDatasetDetailsDecl())
+-+ .getPartitioningExprs();
+-+ String ngName = ((InternalDetailsDecl) dd.getDatasetDetailsDecl()).getNodegroupName().getValue();
+-+ datasetDetails = new InternalDatasetDetails(InternalDatasetDetails.FileStructure.BTREE,
+-+ InternalDatasetDetails.PartitioningStrategy.HASH, partitioningExprs, partitioningExprs,
+-+ ngName);
+-+ break;
+- }
+-- List<String> partitioningExprs = ((FeedDetailsDecl) dd.getDatasetDetailsDecl()).getPartitioningExprs();
+-- String ngName = ((FeedDetailsDecl) dd.getDatasetDetailsDecl()).getNodegroupName().getValue();
+-- String adapter = ((FeedDetailsDecl) dd.getDatasetDetailsDecl()).getAdapterFactoryClassname();
+-- Map<String, String> configuration = ((FeedDetailsDecl) dd.getDatasetDetailsDecl()).getConfiguration();
+-- FunctionSignature signature = ((FeedDetailsDecl) dd.getDatasetDetailsDecl()).getFunctionSignature();
+-- datasetDetails = new FeedDatasetDetails(InternalDatasetDetails.FileStructure.BTREE,
+-- InternalDatasetDetails.PartitioningStrategy.HASH, partitioningExprs, partitioningExprs, ngName,
+-- adapter, configuration, signature, FeedDatasetDetails.FeedState.INACTIVE.toString());
+-- break;
+-+ case EXTERNAL: {
+-+ String adapter = ((ExternalDetailsDecl) dd.getDatasetDetailsDecl()).getAdapter();
+-+ Map<String, String> properties = ((ExternalDetailsDecl) dd.getDatasetDetailsDecl()).getProperties();
+-+ datasetDetails = new ExternalDatasetDetails(adapter, properties);
+-+ break;
+-+ }
+-+ case FEED: {
+-+ IAType itemType = dt.getDatatype();
+-+ if (itemType.getTypeTag() != ATypeTag.RECORD) {
+-+ throw new AlgebricksException("Can only partition ARecord's.");
+++ if (count > 0) {
+++ ctx = entry.getKey();
+++ for (i = 0; i < count; i++) {
+++ ctx.decreaseActiveTransactionCountOnIndexes();
+++ }
+ + }
+-+ List<String> partitioningExprs = ((FeedDetailsDecl) dd.getDatasetDetailsDecl())
+-+ .getPartitioningExprs();
+-+ String ngName = ((FeedDetailsDecl) dd.getDatasetDetailsDecl()).getNodegroupName().getValue();
+-+ String adapter = ((FeedDetailsDecl) dd.getDatasetDetailsDecl()).getAdapterFactoryClassname();
+-+ Map<String, String> configuration = ((FeedDetailsDecl) dd.getDatasetDetailsDecl())
+-+ .getConfiguration();
+-+ FunctionSignature signature = ((FeedDetailsDecl) dd.getDatasetDetailsDecl()).getFunctionSignature();
+-+ datasetDetails = new FeedDatasetDetails(InternalDatasetDetails.FileStructure.BTREE,
+-+ InternalDatasetDetails.PartitioningStrategy.HASH, partitioningExprs, partitioningExprs,
+-+ ngName, adapter, configuration, signature, FeedDatasetDetails.FeedState.INACTIVE.toString());
+-+ break;
+ + }
+- }
+-+
+-+ //#. add a new dataset with PendingAddOp
+-+ Dataset dataset = new Dataset(dataverseName, datasetName, itemTypeName, datasetDetails, dsType,
+-+ DatasetIdFactory.generateDatasetId(), IMetadataEntity.PENDING_ADD_OP);
+-+ MetadataManager.INSTANCE.addDataset(metadataProvider.getMetadataTxnContext(), dataset);
+-+
+-+ if (dd.getDatasetType() == DatasetType.INTERNAL || dd.getDatasetType() == DatasetType.FEED) {
+-+ Dataverse dataverse = MetadataManager.INSTANCE.getDataverse(metadataProvider.getMetadataTxnContext(),
+-+ dataverseName);
+-+ JobSpecification jobSpec = DatasetOperations.createDatasetJobSpec(dataverse, datasetName,
+-+ metadataProvider);
+-+
+-+ //#. make metadataTxn commit before calling runJob.
+-+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+-+ bActiveTxn = false;
+-+
+-+ //#. runJob
+-+ runJob(hcc, jobSpec);
+-+
+-+ //#. begin new metadataTxn
+-+ mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+-+ bActiveTxn = true;
+-+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+ + }
+++ }
+ +
+-+ //#. add a new dataset with PendingNoOp after deleting the dataset with PendingAddOp
+-+ MetadataManager.INSTANCE.dropDataset(metadataProvider.getMetadataTxnContext(), dataverseName, datasetName);
+-+ MetadataManager.INSTANCE.addDataset(metadataProvider.getMetadataTxnContext(), new Dataset(dataverseName,
+-+ datasetName, itemTypeName, datasetDetails, dsType, dataset.getDatasetId(),
+-+ IMetadataEntity.PENDING_NO_OP));
+-+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+-+ } catch (Exception e) {
+-+ if (bActiveTxn) {
+-+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+-+ }
+-+ throw new AlgebricksException(e);
+-+ } finally {
+-+ releaseWriteLatch();
+- }
+-- MetadataManager.INSTANCE.addDataset(metadataProvider.getMetadataTxnContext(), new Dataset(dataverseName,
+-- datasetName, itemTypeName, datasetDetails, dsType, DatasetIdFactory.generateDatasetId()));
+-- if (dd.getDatasetType() == DatasetType.INTERNAL || dd.getDatasetType() == DatasetType.FEED) {
+-- Dataverse dataverse = MetadataManager.INSTANCE.getDataverse(metadataProvider.getMetadataTxnContext(),
+-- dataverseName);
+-- runJob(hcc, DatasetOperations.createDatasetJobSpec(dataverse, datasetName, metadataProvider));
+-- }
+- }
+++ map.clear();
+++ }
++ }
+
+- private void handleCreateIndexStatement(AqlMetadataProvider metadataProvider, Statement stmt,
+- IHyracksClientConnection hcc, List<JobSpecification> jobsToExecute) throws Exception {
+-- CreateIndexStatement stmtCreateIndex = (CreateIndexStatement) stmt;
+-- String dataverseName = stmtCreateIndex.getDataverseName() == null ? activeDefaultDataverse == null ? null
+-- : activeDefaultDataverse.getDataverseName() : stmtCreateIndex.getDataverseName().getValue();
+-- if (dataverseName == null) {
+-- throw new AlgebricksException(" dataverse not specified ");
+-- }
+-- String datasetName = stmtCreateIndex.getDatasetName().getValue();
+-- Dataset ds = MetadataManager.INSTANCE.getDataset(metadataProvider.getMetadataTxnContext(), dataverseName,
+-- datasetName);
+-- if (ds == null) {
+-- throw new AlgebricksException("There is no dataset with this name " + datasetName + " in dataverse "
+-- + dataverseName);
+-- }
+-- String indexName = stmtCreateIndex.getIndexName().getValue();
+-- Index idx = MetadataManager.INSTANCE.getIndex(metadataProvider.getMetadataTxnContext(), dataverseName,
+-- datasetName, indexName);
+-- if (idx != null) {
+-- if (!stmtCreateIndex.getIfNotExists()) {
+-- throw new AlgebricksException("An index with this name " + indexName + " already exists.");
+-- } else {
+-- stmtCreateIndex.setNeedToCreate(false);
+-+
+-+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+-+ boolean bActiveTxn = true;
+-+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+-+ acquireWriteLatch();
+-+
+-+ try {
+-+ CreateIndexStatement stmtCreateIndex = (CreateIndexStatement) stmt;
+-+ String dataverseName = stmtCreateIndex.getDataverseName() == null ? activeDefaultDataverse == null ? null
+-+ : activeDefaultDataverse.getDataverseName() : stmtCreateIndex.getDataverseName().getValue();
+-+ if (dataverseName == null) {
+-+ throw new AlgebricksException(" dataverse not specified ");
+- }
+-- } else {
+-+ String datasetName = stmtCreateIndex.getDatasetName().getValue();
+-+
+-+ Dataset ds = MetadataManager.INSTANCE.getDataset(metadataProvider.getMetadataTxnContext(), dataverseName,
+-+ datasetName);
+-+ if (ds == null) {
+-+ throw new AlgebricksException("There is no dataset with this name " + datasetName + " in dataverse "
+-+ + dataverseName);
+-+ }
+-+
+-+ String indexName = stmtCreateIndex.getIndexName().getValue();
+-+ Index idx = MetadataManager.INSTANCE.getIndex(metadataProvider.getMetadataTxnContext(), dataverseName,
+-+ datasetName, indexName);
+-+
+-+ if (idx != null) {
+-+ if (!stmtCreateIndex.getIfNotExists()) {
+-+ throw new AlgebricksException("An index with this name " + indexName + " already exists.");
+-+ } else {
+-+ stmtCreateIndex.setNeedToCreate(false);
+-+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+-+ return;
+-+ }
+-+ }
+-+
+-+ //#. add a new index with PendingAddOp
+- Index index = new Index(dataverseName, datasetName, indexName, stmtCreateIndex.getIndexType(),
+-- stmtCreateIndex.getFieldExprs(), stmtCreateIndex.getGramLength(), false);
+-+ stmtCreateIndex.getFieldExprs(), stmtCreateIndex.getGramLength(), false,
+-+ IMetadataEntity.PENDING_ADD_OP);
+- MetadataManager.INSTANCE.addIndex(metadataProvider.getMetadataTxnContext(), index);
+-- runCreateIndexJob(hcc, stmtCreateIndex, metadataProvider);
++ /*
++@@ -895,36 +760,82 @@
++ class LogPageFlushThread extends Thread {
+
+-+ //#. create the index artifact in NC.
+- CompiledCreateIndexStatement cis = new CompiledCreateIndexStatement(index.getIndexName(), dataverseName,
+- index.getDatasetName(), index.getKeyFieldNames(), index.getGramLength(), index.getIndexType());
+-- JobSpecification loadIndexJobSpec = IndexOperations
+-- .buildSecondaryIndexLoadingJobSpec(cis, metadataProvider);
+-- runJob(hcc, loadIndexJobSpec);
+-+ JobSpecification spec = IndexOperations.buildSecondaryIndexCreationJobSpec(cis, metadataProvider);
+-+ if (spec == null) {
+-+ throw new AsterixException("Failed to create job spec for creating index '"
+-+ + stmtCreateIndex.getDatasetName() + "." + stmtCreateIndex.getIndexName() + "'");
+-+ }
+-+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+-+ bActiveTxn = false;
+-+
+-+ runJob(hcc, spec);
+-+
+-+ mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+-+ bActiveTxn = true;
+-+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+-+
+-+ //#. load data into the index in NC.
+-+ cis = new CompiledCreateIndexStatement(index.getIndexName(), dataverseName, index.getDatasetName(),
+-+ index.getKeyFieldNames(), index.getGramLength(), index.getIndexType());
+-+ spec = IndexOperations.buildSecondaryIndexLoadingJobSpec(cis, metadataProvider);
+-+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+-+ bActiveTxn = false;
+-+
+-+ runJob(hcc, spec);
+-+
+-+ //#. begin new metadataTxn
+-+ mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+-+ bActiveTxn = true;
+-+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+-+
+-+ //#. add another new index with PendingNoOp after deleting the index with PendingAddOp
+-+ MetadataManager.INSTANCE.dropIndex(metadataProvider.getMetadataTxnContext(), dataverseName, datasetName,
+-+ indexName);
+-+ index = new Index(dataverseName, datasetName, indexName, stmtCreateIndex.getIndexType(),
+-+ stmtCreateIndex.getFieldExprs(), stmtCreateIndex.getGramLength(), false,
+-+ IMetadataEntity.PENDING_NO_OP);
+-+ MetadataManager.INSTANCE.addIndex(metadataProvider.getMetadataTxnContext(), index);
+-+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+-+
+-+ } catch (Exception e) {
+-+ if (bActiveTxn) {
+-+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+-+ }
+-+ throw new AlgebricksException(e);
+-+ } finally {
+-+ releaseWriteLatch();
+- }
+- }
++ private LogManager logManager;
+++ /*
+++ * pendingFlushRequests is a map with key as Integer denoting the page
+++ * index. When a (transaction) thread discovers the need to flush a page, it
+++ * puts its Thread object into the corresponding value that is a
+++ * LinkedBlockingQueue. The LogManager has a LogFlusher thread that scans
+++ * this map in order of page index (and circling around). The flusher thread
+++ * needs to flush pages in order and waits for a thread to deposit an object
+++ * in the blocking queue corresponding to the next page in order. A request
+++ * to flush a page is conveyed to the flush thread by simply depositing an
+++ * object in to corresponding blocking queue. It is blocking in the sense
+++ * that the flusher thread will continue to wait for an object to arrive in
+++ * the queue. The object itself is ignored by the fliusher and just acts as
+++ * a signal/event that a page needs to be flushed.
+++ */
+++ private final LinkedBlockingQueue<Object>[] flushRequestQueue;
+++ private final Object[] flushRequests;
+++ private int lastFlushedPageIndex;
+++ private final long groupCommitWaitPeriod;
+
+- private void handleCreateTypeStatement(AqlMetadataProvider metadataProvider, Statement stmt,
+- List<JobSpecification> jobsToExecute) throws AlgebricksException, RemoteException, ACIDException,
+- MetadataException {
+-- MetadataTransactionContext mdTxnCtx = metadataProvider.getMetadataTxnContext();
+-- TypeDecl stmtCreateType = (TypeDecl) stmt;
+-- String dataverseName = stmtCreateType.getDataverseName() == null ? activeDefaultDataverse == null ? null
+-- : activeDefaultDataverse.getDataverseName() : stmtCreateType.getDataverseName().getValue();
+-- if (dataverseName == null) {
+-- throw new AlgebricksException(" dataverse not specified ");
+-- }
+-- String typeName = stmtCreateType.getIdent().getValue();
+-- Dataverse dv = MetadataManager.INSTANCE.getDataverse(mdTxnCtx, dataverseName);
+-- if (dv == null) {
+-- throw new AlgebricksException("Unknonw dataverse " + dataverseName);
+-- }
+-- Datatype dt = MetadataManager.INSTANCE.getDatatype(mdTxnCtx, dataverseName, typeName);
+-- if (dt != null) {
+-- if (!stmtCreateType.getIfNotExists())
+-- throw new AlgebricksException("A datatype with this name " + typeName + " already exists.");
+-- } else {
+-- if (builtinTypeMap.get(typeName) != null) {
+-- throw new AlgebricksException("Cannot redefine builtin type " + typeName + ".");
+-+
+-+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+-+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+-+ acquireWriteLatch();
+-+
+-+ try {
+-+ TypeDecl stmtCreateType = (TypeDecl) stmt;
+-+ String dataverseName = stmtCreateType.getDataverseName() == null ? activeDefaultDataverse == null ? null
+-+ : activeDefaultDataverse.getDataverseName() : stmtCreateType.getDataverseName().getValue();
+-+ if (dataverseName == null) {
+-+ throw new AlgebricksException(" dataverse not specified ");
+-+ }
+-+ String typeName = stmtCreateType.getIdent().getValue();
+-+ Dataverse dv = MetadataManager.INSTANCE.getDataverse(mdTxnCtx, dataverseName);
+-+ if (dv == null) {
+-+ throw new AlgebricksException("Unknonw dataverse " + dataverseName);
+-+ }
+-+ Datatype dt = MetadataManager.INSTANCE.getDatatype(mdTxnCtx, dataverseName, typeName);
+-+ if (dt != null) {
+-+ if (!stmtCreateType.getIfNotExists()) {
+-+ throw new AlgebricksException("A datatype with this name " + typeName + " already exists.");
+-+ }
+- } else {
+-- Map<TypeSignature, IAType> typeMap = TypeTranslator.computeTypes(mdTxnCtx, (TypeDecl) stmt,
+-- dataverseName);
+-- TypeSignature typeSignature = new TypeSignature(dataverseName, typeName);
+-- IAType type = typeMap.get(typeSignature);
+-- MetadataManager.INSTANCE.addDatatype(mdTxnCtx, new Datatype(dataverseName, typeName, type, false));
+-+ if (builtinTypeMap.get(typeName) != null) {
+-+ throw new AlgebricksException("Cannot redefine builtin type " + typeName + ".");
+-+ } else {
+-+ Map<TypeSignature, IAType> typeMap = TypeTranslator.computeTypes(mdTxnCtx, (TypeDecl) stmt,
+-+ dataverseName);
+-+ TypeSignature typeSignature = new TypeSignature(dataverseName, typeName);
+-+ IAType type = typeMap.get(typeSignature);
+-+ MetadataManager.INSTANCE.addDatatype(mdTxnCtx, new Datatype(dataverseName, typeName, type, false));
+-+ }
+- }
+-+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+-+ } catch (Exception e) {
+-+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+-+ throw new AlgebricksException(e);
+-+ } finally {
+-+ releaseWriteLatch();
+- }
++ public LogPageFlushThread(LogManager logManager) {
++ this.logManager = logManager;
++ setName("Flusher");
+++ int numLogPages = logManager.getLogManagerProperties().getNumLogPages();
+++ this.flushRequestQueue = new LinkedBlockingQueue[numLogPages];
+++ this.flushRequests = new Object[numLogPages];
+++ for (int i = 0; i < numLogPages; i++) {
+++ flushRequestQueue[i] = new LinkedBlockingQueue<Object>(1);
+++ flushRequests[i] = new Object();
+++ }
+++ this.lastFlushedPageIndex = -1;
+++ groupCommitWaitPeriod = logManager.getLogManagerProperties().getGroupCommitWaitPeriod();
+ }
+
+- private void handleDataverseDropStatement(AqlMetadataProvider metadataProvider, Statement stmt,
+- IHyracksClientConnection hcc, List<JobSpecification> jobsToExecute) throws Exception {
+-- MetadataTransactionContext mdTxnCtx = metadataProvider.getMetadataTxnContext();
+-- DataverseDropStatement stmtDelete = (DataverseDropStatement) stmt;
+-- String dvName = stmtDelete.getDataverseName().getValue();
+-
+-- Dataverse dv = MetadataManager.INSTANCE.getDataverse(mdTxnCtx, dvName);
+-- if (dv == null) {
+-- if (!stmtDelete.getIfExists()) {
+-- throw new AlgebricksException("There is no dataverse with this name " + dvName + ".");
+-+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+-+ boolean bActiveTxn = true;
+-+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+-+ acquireWriteLatch();
+-+
+-+ try {
+-+ DataverseDropStatement stmtDelete = (DataverseDropStatement) stmt;
+-+ String dvName = stmtDelete.getDataverseName().getValue();
+-+
+-+ Dataverse dv = MetadataManager.INSTANCE.getDataverse(mdTxnCtx, dvName);
+-+ if (dv == null) {
+-+ if (!stmtDelete.getIfExists()) {
+-+ throw new AlgebricksException("There is no dataverse with this name " + dvName + ".");
+-+ }
+-+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+++ public void requestFlush(int pageIndex, long lsn, boolean isSynchronous) {
+++ synchronized (logManager.getLogPage(pageIndex)) {
+++ //return if flushedLSN >= lsn
+++ if (logManager.getLastFlushedLsn().get() >= lsn) {
+ + return;
+- }
+-- } else {
+-+
+-+ //#. prepare jobs which will drop corresponding datasets with indexes.
+- List<Dataset> datasets = MetadataManager.INSTANCE.getDataverseDatasets(mdTxnCtx, dvName);
+- for (int j = 0; j < datasets.size(); j++) {
+- String datasetName = datasets.get(j).getDatasetName();
+- DatasetType dsType = datasets.get(j).getDatasetType();
+- if (dsType == DatasetType.INTERNAL || dsType == DatasetType.FEED) {
+-+
+- List<Index> indexes = MetadataManager.INSTANCE.getDatasetIndexes(mdTxnCtx, dvName, datasetName);
+- for (int k = 0; k < indexes.size(); k++) {
+- if (indexes.get(k).isSecondaryIndex()) {
+-- compileIndexDropStatement(hcc, dvName, datasetName, indexes.get(k).getIndexName(),
+-- metadataProvider);
+-+ CompiledIndexDropStatement cds = new CompiledIndexDropStatement(dvName, datasetName,
+-+ indexes.get(k).getIndexName());
+-+ jobsToExecute.add(IndexOperations.buildDropSecondaryIndexJobSpec(cds, metadataProvider));
+- }
+- }
+-+
+-+ CompiledDatasetDropStatement cds = new CompiledDatasetDropStatement(dvName, datasetName);
+-+ jobsToExecute.add(DatasetOperations.createDropDatasetJobSpec(cds, metadataProvider));
+- }
+-- compileDatasetDropStatement(hcc, dvName, datasetName, metadataProvider);
+- }
+-
+-+ //#. mark PendingDropOp on the dataverse record by
+-+ // first, deleting the dataverse record from the DATAVERSE_DATASET
+-+ // second, inserting the dataverse record with the PendingDropOp value into the DATAVERSE_DATASET
+- MetadataManager.INSTANCE.dropDataverse(mdTxnCtx, dvName);
+-+ MetadataManager.INSTANCE.addDataverse(mdTxnCtx, new Dataverse(dvName, dv.getDataFormat(),
+-+ IMetadataEntity.PENDING_DROP_OP));
+-+
+-+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+-+ bActiveTxn = false;
+-+
+-+ for (JobSpecification jobSpec : jobsToExecute) {
+-+ runJob(hcc, jobSpec);
+ + }
+ +
+-+ mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+-+ bActiveTxn = true;
+-+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+++ //put a new request to the queue only if the request on the page is not in the queue.
+++ flushRequestQueue[pageIndex].offer(flushRequests[pageIndex]);
+ +
+-+ //#. finally, delete the dataverse.
+-+ MetadataManager.INSTANCE.dropDataverse(mdTxnCtx, dvName);
+- if (activeDefaultDataverse != null && activeDefaultDataverse.getDataverseName() == dvName) {
+- activeDefaultDataverse = null;
+- }
+-+
+-+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+-+ } catch (Exception e) {
+-+ if (bActiveTxn) {
+-+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+++ //return if the request is asynchronous
+++ if (!isSynchronous) {
+++ return;
+ + }
+-+ throw new AlgebricksException(e);
+-+ } finally {
+-+ releaseWriteLatch();
+- }
+- }
+-
+- private void handleDatasetDropStatement(AqlMetadataProvider metadataProvider, Statement stmt,
+- IHyracksClientConnection hcc, List<JobSpecification> jobsToExecute) throws Exception {
+-- MetadataTransactionContext mdTxnCtx = metadataProvider.getMetadataTxnContext();
+-- DropStatement stmtDelete = (DropStatement) stmt;
+-- String dataverseName = stmtDelete.getDataverseName() == null ? activeDefaultDataverse == null ? null
+-- : activeDefaultDataverse.getDataverseName() : stmtDelete.getDataverseName().getValue();
+-- if (dataverseName == null) {
+-- throw new AlgebricksException(" dataverse not specified ");
+-- }
+-- String datasetName = stmtDelete.getDatasetName().getValue();
+-- Dataset ds = MetadataManager.INSTANCE.getDataset(mdTxnCtx, dataverseName, datasetName);
+-- if (ds == null) {
+-- if (!stmtDelete.getIfExists())
+-- throw new AlgebricksException("There is no dataset with this name " + datasetName + " in dataverse "
+-- + dataverseName + ".");
+-- } else {
+ +
+-+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+-+ boolean bActiveTxn = true;
+-+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+-+ acquireWriteLatch();
+-+
+-+ try {
+-+ DropStatement stmtDelete = (DropStatement) stmt;
+-+ String dataverseName = stmtDelete.getDataverseName() == null ? activeDefaultDataverse == null ? null
+-+ : activeDefaultDataverse.getDataverseName() : stmtDelete.getDataverseName().getValue();
+-+ if (dataverseName == null) {
+-+ throw new AlgebricksException(" dataverse not specified ");
+-+ }
+-+ String datasetName = stmtDelete.getDatasetName().getValue();
+-+
+-+ Dataset ds = MetadataManager.INSTANCE.getDataset(mdTxnCtx, dataverseName, datasetName);
+-+ if (ds == null) {
+-+ if (!stmtDelete.getIfExists()) {
+-+ throw new AlgebricksException("There is no dataset with this name " + datasetName
+-+ + " in dataverse " + dataverseName + ".");
+++ //wait until there is flush.
+++ boolean isNotified = false;
+++ while (!isNotified) {
+++ try {
+++ logManager.getLogPage(pageIndex).wait();
+++ isNotified = true;
+++ } catch (InterruptedException e) {
+++ e.printStackTrace();
+ + }
+-+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+-+ return;
+ + }
+++ }
+++ }
+ +
+- if (ds.getDatasetType() == DatasetType.INTERNAL || ds.getDatasetType() == DatasetType.FEED) {
+-+
+-+ //#. prepare jobs to drop the datatset and the indexes in NC
+- List<Index> indexes = MetadataManager.INSTANCE.getDatasetIndexes(mdTxnCtx, dataverseName, datasetName);
+- for (int j = 0; j < indexes.size(); j++) {
+-- if (indexes.get(j).isPrimaryIndex()) {
+-- compileIndexDropStatement(hcc, dataverseName, datasetName, indexes.get(j).getIndexName(),
+-- metadataProvider);
+-+ if (indexes.get(j).isSecondaryIndex()) {
+-+ CompiledIndexDropStatement cds = new CompiledIndexDropStatement(dataverseName, datasetName,
+-+ indexes.get(j).getIndexName());
+-+ jobsToExecute.add(IndexOperations.buildDropSecondaryIndexJobSpec(cds, metadataProvider));
++ @Override
++ public void run() {
++ while (true) {
++ try {
++- int pageToFlush = logManager.getNextPageInSequence(logManager.getLastFlushedPage());
+++ int pageToFlush = logManager.getNextPageInSequence(lastFlushedPageIndex);
++
++- /*
++- * A wait call on the linkedBLockingQueue. The flusher thread is
++- * notified when an object is added to the queue. Please note
++- * that each page has an associated blocking queue.
++- */
++- logManager.getPendingFlushRequests(pageToFlush).take();
+++ // A wait call on the linkedBLockingQueue. The flusher thread is
+++ // notified when an object is added to the queue. Please note
+++ // that each page has an associated blocking queue.
+++ flushRequestQueue[pageToFlush].take();
++
++- /*
++- * The LogFlusher was waiting for a page to be marked as a
++- * candidate for flushing. Now that has happened. The thread
++- * shall proceed to take a lock on the log page
++- */
++- synchronized (logManager.getLogPages()[pageToFlush]) {
+++ synchronized (logManager.getLogPage(pageToFlush)) {
++
++- /*
++- * lock the internal state of the log manager and create a
++- * log file if necessary.
++- */
+++ // lock the internal state of the log manager and create a
+++ // log file if necessary.
++ int prevLogFileId = logManager.getLogFileId(logManager.getLastFlushedLsn().get());
++ int nextLogFileId = logManager.getLogFileId(logManager.getLastFlushedLsn().get()
++ + logManager.getLogManagerProperties().getLogPageSize());
++@@ -936,198 +847,60 @@
++ logManager.getLogManagerProperties().getLogPageSize());
+ }
+- }
+-+ CompiledDatasetDropStatement cds = new CompiledDatasetDropStatement(dataverseName, datasetName);
+-+ jobsToExecute.add(DatasetOperations.createDropDatasetJobSpec(cds, metadataProvider));
+-+
+-+ //#. mark the existing dataset as PendingDropOp
+-+ MetadataManager.INSTANCE.dropDataset(mdTxnCtx, dataverseName, datasetName);
+-+ MetadataManager.INSTANCE.addDataset(
+-+ mdTxnCtx,
+-+ new Dataset(dataverseName, datasetName, ds.getItemTypeName(), ds.getDatasetDetails(), ds
+-+ .getDatasetType(), ds.getDatasetId(), IMetadataEntity.PENDING_DROP_OP));
+-+
+-+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+-+ bActiveTxn = false;
+-+
+-+ //#. run the jobs
+-+ for (JobSpecification jobSpec : jobsToExecute) {
+-+ runJob(hcc, jobSpec);
+-+ }
+-+
+-+ mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+-+ bActiveTxn = true;
+-+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+- }
+-- compileDatasetDropStatement(hcc, dataverseName, datasetName, metadataProvider);
+-+
+-+ //#. finally, delete the dataset.
+-+ MetadataManager.INSTANCE.dropDataset(mdTxnCtx, dataverseName, datasetName);
+-+
+-+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+-+ } catch (Exception e) {
+-+ if (bActiveTxn) {
+-+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+-+ }
+-+ throw new AlgebricksException(e);
+-+ } finally {
+-+ releaseWriteLatch();
+- }
+- }
+
+- private void handleIndexDropStatement(AqlMetadataProvider metadataProvider, Statement stmt,
+- IHyracksClientConnection hcc, List<JobSpecification> jobsToExecute) throws Exception {
+-- MetadataTransactionContext mdTxnCtx = metadataProvider.getMetadataTxnContext();
+-- IndexDropStatement stmtIndexDrop = (IndexDropStatement) stmt;
+-- String datasetName = stmtIndexDrop.getDatasetName().getValue();
+-- String dataverseName = stmtIndexDrop.getDataverseName() == null ? activeDefaultDataverse == null ? null
+-- : activeDefaultDataverse.getDataverseName() : stmtIndexDrop.getDataverseName().getValue();
+-- if (dataverseName == null) {
+-- throw new AlgebricksException(" dataverse not specified ");
+-+
+-+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+-+ boolean bActiveTxn = true;
+-+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+-+ acquireWriteLatch();
+-+
+-+ try {
+-+ IndexDropStatement stmtIndexDrop = (IndexDropStatement) stmt;
+-+ String datasetName = stmtIndexDrop.getDatasetName().getValue();
+-+ String dataverseName = stmtIndexDrop.getDataverseName() == null ? activeDefaultDataverse == null ? null
+-+ : activeDefaultDataverse.getDataverseName() : stmtIndexDrop.getDataverseName().getValue();
+-+ if (dataverseName == null) {
+-+ throw new AlgebricksException(" dataverse not specified ");
+-+ }
+-+
+-+ Dataset ds = MetadataManager.INSTANCE.getDataset(mdTxnCtx, dataverseName, datasetName);
+-+ if (ds == null) {
+-+ throw new AlgebricksException("There is no dataset with this name " + datasetName + " in dataverse "
+-+ + dataverseName);
+-+ }
+-+
+-+ if (ds.getDatasetType() == DatasetType.INTERNAL || ds.getDatasetType() == DatasetType.FEED) {
+-+ String indexName = stmtIndexDrop.getIndexName().getValue();
+-+ Index index = MetadataManager.INSTANCE.getIndex(mdTxnCtx, dataverseName, datasetName, indexName);
+-+ if (index == null) {
+-+ if (!stmtIndexDrop.getIfExists()) {
+-+ throw new AlgebricksException("There is no index with this name " + indexName + ".");
+-+ }
+-+ } else {
+-+ //#. prepare a job to drop the index in NC.
+-+ CompiledIndexDropStatement cds = new CompiledIndexDropStatement(dataverseName, datasetName,
+-+ indexName);
+-+ jobsToExecute.add(IndexOperations.buildDropSecondaryIndexJobSpec(cds, metadataProvider));
+-+
+-+ //#. mark PendingDropOp on the existing index
+-+ MetadataManager.INSTANCE.dropIndex(mdTxnCtx, dataverseName, datasetName, indexName);
+-+ MetadataManager.INSTANCE.addIndex(
+-+ mdTxnCtx,
+-+ new Index(dataverseName, datasetName, indexName, index.getIndexType(), index
+-+ .getKeyFieldNames(), index.isPrimaryIndex(), IMetadataEntity.PENDING_DROP_OP));
+-+
+-+ //#. commit the existing transaction before calling runJob.
+-+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+-+ bActiveTxn = false;
+-+
+-+ for (JobSpecification jobSpec : jobsToExecute) {
+-+ runJob(hcc, jobSpec);
+-+ }
+-+
+-+ //#. begin a new transaction
+-+ mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+-+ bActiveTxn = true;
+-+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+-+
+-+ //#. finally, delete the existing index
+-+ MetadataManager.INSTANCE.dropIndex(mdTxnCtx, dataverseName, datasetName, indexName);
+-+ }
+-+ } else {
+-+ throw new AlgebricksException(datasetName
+-+ + " is an external dataset. Indexes are not maintained for external datasets.");
+-+ }
+-+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+-+
+-+ } catch (Exception e) {
+-+ if (bActiveTxn) {
+-+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+-+ }
+-+ throw new AlgebricksException(e);
+-+
+-+ } finally {
+-+ releaseWriteLatch();
+- }
+-- Dataset ds = MetadataManager.INSTANCE.getDataset(mdTxnCtx, dataverseName, datasetName);
+-- if (ds == null)
+-- throw new AlgebricksException("There is no dataset with this name " + datasetName + " in dataverse "
+-- + dataverseName);
+-- if (ds.getDatasetType() == DatasetType.INTERNAL || ds.getDatasetType() == DatasetType.FEED) {
+-- String indexName = stmtIndexDrop.getIndexName().getValue();
+-- Index idx = MetadataManager.INSTANCE.getIndex(mdTxnCtx, dataverseName, datasetName, indexName);
+-- if (idx == null) {
+-- if (!stmtIndexDrop.getIfExists())
+-- throw new AlgebricksException("There is no index with this name " + indexName + ".");
+-- } else
+-- compileIndexDropStatement(hcc, dataverseName, datasetName, indexName, metadataProvider);
+-- } else {
+-- throw new AlgebricksException(datasetName
+-- + " is an external dataset. Indexes are not maintained for external datasets.");
+-- }
+- }
++- logManager.getLogPage(pageToFlush).flush(); // put the
++- // content to
++- // disk, the
++- // thread still
++- // has a lock on
++- // the log page
+++ //#. sleep during the groupCommitWaitTime
+++ sleep(groupCommitWaitPeriod);
+
+- private void handleTypeDropStatement(AqlMetadataProvider metadataProvider, Statement stmt,
+- List<JobSpecification> jobsToExecute) throws AlgebricksException, MetadataException, RemoteException,
+- ACIDException {
+-- MetadataTransactionContext mdTxnCtx = metadataProvider.getMetadataTxnContext();
+-- TypeDropStatement stmtTypeDrop = (TypeDropStatement) stmt;
+-- String dataverseName = stmtTypeDrop.getDataverseName() == null ? (activeDefaultDataverse == null ? null
+-- : activeDefaultDataverse.getDataverseName()) : stmtTypeDrop.getDataverseName().getValue();
+-- if (dataverseName == null) {
+-- throw new AlgebricksException(" dataverse not specified ");
+-+
+-+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+-+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+-+ acquireWriteLatch();
+-+
+-+ try {
+-+ TypeDropStatement stmtTypeDrop = (TypeDropStatement) stmt;
+-+ String dataverseName = stmtTypeDrop.getDataverseName() == null ? (activeDefaultDataverse == null ? null
+-+ : activeDefaultDataverse.getDataverseName()) : stmtTypeDrop.getDataverseName().getValue();
+-+ if (dataverseName == null) {
+-+ throw new AlgebricksException(" dataverse not specified ");
+-+ }
+-+ String typeName = stmtTypeDrop.getTypeName().getValue();
+-+ Datatype dt = MetadataManager.INSTANCE.getDatatype(mdTxnCtx, dataverseName, typeName);
+-+ if (dt == null) {
+-+ if (!stmtTypeDrop.getIfExists())
+-+ throw new AlgebricksException("There is no datatype with this name " + typeName + ".");
+-+ } else {
+-+ MetadataManager.INSTANCE.dropDatatype(mdTxnCtx, dataverseName, typeName);
+-+ }
+-+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+-+ } catch (Exception e) {
+-+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+-+ throw new AlgebricksException(e);
+-+ } finally {
+-+ releaseWriteLatch();
+- }
+-- String typeName = stmtTypeDrop.getTypeName().getValue();
+-- Datatype dt = MetadataManager.INSTANCE.getDatatype(mdTxnCtx, dataverseName, typeName);
+-- if (dt == null) {
+-- if (!stmtTypeDrop.getIfExists())
+-- throw new AlgebricksException("There is no datatype with this name " + typeName + ".");
+-- } else {
+-- MetadataManager.INSTANCE.dropDatatype(mdTxnCtx, dataverseName, typeName);
+-- }
+- }
++- /*
++- * acquire lock on the log manager as we need to update the
++- * internal bookkeeping data.
++- */
+++ //#. set the logPageStatus to INACTIVE in order to prevent other txns from writing on this page.
+++ logManager.getLogPageStatus(pageToFlush).set(PageState.INACTIVE);
+
+- private void handleNodegroupDropStatement(AqlMetadataProvider metadataProvider, Statement stmt,
+- List<JobSpecification> jobsToExecute) throws MetadataException, AlgebricksException, RemoteException,
+- ACIDException {
+-- MetadataTransactionContext mdTxnCtx = metadataProvider.getMetadataTxnContext();
+-- NodeGroupDropStatement stmtDelete = (NodeGroupDropStatement) stmt;
+-- String nodegroupName = stmtDelete.getNodeGroupName().getValue();
+-- NodeGroup ng = MetadataManager.INSTANCE.getNodegroup(mdTxnCtx, nodegroupName);
+-- if (ng == null) {
+-- if (!stmtDelete.getIfExists())
+-- throw new AlgebricksException("There is no nodegroup with this name " + nodegroupName + ".");
+-- } else {
+-- MetadataManager.INSTANCE.dropNodegroup(mdTxnCtx, nodegroupName);
+-+
+-+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+-+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+-+ acquireWriteLatch();
+-+
+-+ try {
+-+ NodeGroupDropStatement stmtDelete = (NodeGroupDropStatement) stmt;
+-+ String nodegroupName = stmtDelete.getNodeGroupName().getValue();
+-+ NodeGroup ng = MetadataManager.INSTANCE.getNodegroup(mdTxnCtx, nodegroupName);
+-+ if (ng == null) {
+-+ if (!stmtDelete.getIfExists())
+-+ throw new AlgebricksException("There is no nodegroup with this name " + nodegroupName + ".");
+-+ } else {
+-+ MetadataManager.INSTANCE.dropNodegroup(mdTxnCtx, nodegroupName);
+-+ }
+-+
+-+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+-+ } catch (Exception e) {
+-+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+-+ throw new AlgebricksException(e);
+-+ } finally {
+-+ releaseWriteLatch();
+- }
+- }
++- // increment the last flushed lsn.
++- long lastFlushedLsn = logManager.incrementLastFlushedLsn(logManager.getLogManagerProperties()
++- .getLogPageSize());
+++ //#. need to wait until the logPageOwnerCount reaches 1 (LOG_WRITER)
+++ // meaning every one has finished writing logs on this page.
+++ while (logManager.getLogPageOwnershipCount(pageToFlush).get() != PageOwnershipStatus.LOG_WRITER) {
+++ sleep(0);
+++ }
+
+- private void handleCreateFunctionStatement(AqlMetadataProvider metadataProvider, Statement stmt,
+- List<JobSpecification> jobsToExecute) throws AlgebricksException, MetadataException, RemoteException,
+- ACIDException {
+-- MetadataTransactionContext mdTxnCtx = metadataProvider.getMetadataTxnContext();
+-- CreateFunctionStatement cfs = (CreateFunctionStatement) stmt;
+-- String dataverse = cfs.getSignature().getNamespace() == null ? activeDefaultDataverse == null ? null
+-- : activeDefaultDataverse.getDataverseName() : cfs.getSignature().getNamespace();
+-- if (dataverse == null) {
+-- throw new AlgebricksException(" dataverse not specified ");
+-+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+-+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+-+ acquireWriteLatch();
+-+
+-+ try {
+-+ CreateFunctionStatement cfs = (CreateFunctionStatement) stmt;
+-+ String dataverse = cfs.getSignature().getNamespace() == null ? activeDefaultDataverse == null ? null
+-+ : activeDefaultDataverse.getDataverseName() : cfs.getSignature().getNamespace();
+-+ if (dataverse == null) {
+-+ throw new AlgebricksException(" dataverse not specified ");
+-+ }
+-+ Dataverse dv = MetadataManager.INSTANCE.getDataverse(mdTxnCtx, dataverse);
+-+ if (dv == null) {
+-+ throw new AlgebricksException("There is no dataverse with this name " + dataverse + ".");
+-+ }
+-+ Function function = new Function(dataverse, cfs.getaAterixFunction().getName(), cfs.getaAterixFunction()
+-+ .getArity(), cfs.getParamList(), Function.RETURNTYPE_VOID, cfs.getFunctionBody(),
+-+ Function.LANGUAGE_AQL, FunctionKind.SCALAR.toString());
+-+ MetadataManager.INSTANCE.addFunction(mdTxnCtx, function);
+-+
+-+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+-+ } catch (Exception e) {
+-+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+-+ throw new AlgebricksException(e);
+-+ } finally {
+-+ releaseWriteLatch();
+- }
+-- Dataverse dv = MetadataManager.INSTANCE.getDataverse(mdTxnCtx, dataverse);
+-- if (dv == null) {
+-- throw new AlgebricksException("There is no dataverse with this name " + dataverse + ".");
+-- }
+-- Function function = new Function(dataverse, cfs.getaAterixFunction().getName(), cfs.getaAterixFunction()
+-- .getArity(), cfs.getParamList(), Function.RETURNTYPE_VOID, cfs.getFunctionBody(),
+-- Function.LANGUAGE_AQL, FunctionKind.SCALAR.toString());
+-- MetadataManager.INSTANCE.addFunction(mdTxnCtx, function);
+- }
++- /*
++- * the log manager gains back ownership of the page. this is
++- * reflected by incrementing the owner count of the page.
++- * recall that when the page is begin flushed the owner
++- * count is actually 0 Value of zero implicitly indicates
++- * that the page is operated upon by the log flusher thread.
++- */
++- logManager.getLogPageOwnershipCount(pageToFlush).incrementAndGet();
+++ //#. set the logPageOwnerCount to 0 (LOG_FLUSHER)
+++ // meaning it is flushing.
+++ logManager.getLogPageOwnershipCount(pageToFlush).set(PageOwnershipStatus.LOG_FLUSHER);
+
+- private void handleFunctionDropStatement(AqlMetadataProvider metadataProvider, Statement stmt,
+- List<JobSpecification> jobsToExecute) throws MetadataException, RemoteException, ACIDException,
+- AlgebricksException {
+-- MetadataTransactionContext mdTxnCtx = metadataProvider.getMetadataTxnContext();
+-- FunctionDropStatement stmtDropFunction = (FunctionDropStatement) stmt;
+-- FunctionSignature signature = stmtDropFunction.getFunctionSignature();
+-- Function function = MetadataManager.INSTANCE.getFunction(mdTxnCtx, signature);
+-- if (function == null) {
+-- if (!stmtDropFunction.getIfExists())
+-- throw new AlgebricksException("Unknonw function " + signature);
+-- } else {
+-- MetadataManager.INSTANCE.dropFunction(mdTxnCtx, signature);
+-+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+-+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+-+ acquireWriteLatch();
+-+
+-+ try {
+-+ FunctionDropStatement stmtDropFunction = (FunctionDropStatement) stmt;
+-+ FunctionSignature signature = stmtDropFunction.getFunctionSignature();
+-+ Function function = MetadataManager.INSTANCE.getFunction(mdTxnCtx, signature);
+-+ if (function == null) {
+-+ if (!stmtDropFunction.getIfExists())
+-+ throw new AlgebricksException("Unknonw function " + signature);
+-+ } else {
+-+ MetadataManager.INSTANCE.dropFunction(mdTxnCtx, signature);
+-+ }
+-+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+-+ } catch (Exception e) {
+-+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+-+ throw new AlgebricksException(e);
+-+ } finally {
+-+ releaseWriteLatch();
+- }
+- }
++- /*
++- * get the number of log buffers that have been written so
++- * far. A log buffer = number of log pages * size of a log
++- * page
++- */
++- int numCycles = (int) lastFlushedLsn / logManager.getLogManagerProperties().getLogBufferSize();
++- if (lastFlushedLsn % logManager.getLogManagerProperties().getLogBufferSize() == 0) {
++- numCycles--;
++- }
+++ // put the content to disk (the thread still has a lock on the log page)
+++ logManager.getLogPage(pageToFlush).flush();
+
+- private void handleLoadFromFileStatement(AqlMetadataProvider metadataProvider, Statement stmt,
+- IHyracksClientConnection hcc, List<JobSpecification> jobsToExecute) throws Exception {
+-- MetadataTransactionContext mdTxnCtx = metadataProvider.getMetadataTxnContext();
+-- LoadFromFileStatement loadStmt = (LoadFromFileStatement) stmt;
+-- String dataverseName = loadStmt.getDataverseName() == null ? activeDefaultDataverse == null ? null
+-- : activeDefaultDataverse.getDataverseName() : loadStmt.getDataverseName().getValue();
+-- CompiledLoadFromFileStatement cls = new CompiledLoadFromFileStatement(dataverseName, loadStmt.getDatasetName()
+-- .getValue(), loadStmt.getAdapter(), loadStmt.getProperties(), loadStmt.dataIsAlreadySorted());
++- /*
++- * Map the log page to a new region in the log file.
++- */
+++ // increment the last flushed lsn and lastFlushedPage
+++ logManager.incrementLastFlushedLsn(logManager.getLogManagerProperties().getLogPageSize());
+++ lastFlushedPageIndex = pageToFlush;
+
+-- IDataFormat format = getDataFormat(metadataProvider.getMetadataTxnContext(), dataverseName);
+-- Job job = DatasetOperations.createLoadDatasetJobSpec(metadataProvider, cls, format);
+-- jobsToExecute.add(job.getJobSpec());
+-- // Also load the dataset's secondary indexes.
+-- List<Index> datasetIndexes = MetadataManager.INSTANCE.getDatasetIndexes(mdTxnCtx, dataverseName, loadStmt
+-- .getDatasetName().getValue());
+-- for (Index index : datasetIndexes) {
+-- if (!index.isSecondaryIndex()) {
+-- continue;
+-+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+-+ boolean bActiveTxn = true;
+-+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+-+ acquireReadLatch();
+++ // decrement activeTxnCountOnIndexes
+++ logManager.decrementActiveTxnCountOnIndexes(pageToFlush);
+ +
+-+ try {
+-+ LoadFromFileStatement loadStmt = (LoadFromFileStatement) stmt;
+-+ String dataverseName = loadStmt.getDataverseName() == null ? activeDefaultDataverse == null ? null
+-+ : activeDefaultDataverse.getDataverseName() : loadStmt.getDataverseName().getValue();
+-+ CompiledLoadFromFileStatement cls = new CompiledLoadFromFileStatement(dataverseName, loadStmt
+-+ .getDatasetName().getValue(), loadStmt.getAdapter(), loadStmt.getProperties(),
+-+ loadStmt.dataIsAlreadySorted());
+++ // reset the count to 1
+++ logManager.getLogPageOwnershipCount(pageToFlush).set(PageOwnershipStatus.LOG_WRITER);
+ +
+-+ IDataFormat format = getDataFormat(metadataProvider.getMetadataTxnContext(), dataverseName);
+-+ Job job = DatasetOperations.createLoadDatasetJobSpec(metadataProvider, cls, format);
+-+ jobsToExecute.add(job.getJobSpec());
+-+ // Also load the dataset's secondary indexes.
+-+ List<Index> datasetIndexes = MetadataManager.INSTANCE.getDatasetIndexes(mdTxnCtx, dataverseName, loadStmt
+-+ .getDatasetName().getValue());
+-+ for (Index index : datasetIndexes) {
+-+ if (!index.isSecondaryIndex()) {
+-+ continue;
+-+ }
+-+ // Create CompiledCreateIndexStatement from metadata entity 'index'.
+-+ CompiledCreateIndexStatement cis = new CompiledCreateIndexStatement(index.getIndexName(),
+-+ dataverseName, index.getDatasetName(), index.getKeyFieldNames(), index.getGramLength(),
+-+ index.getIndexType());
+-+ jobsToExecute.add(IndexOperations.buildSecondaryIndexLoadingJobSpec(cis, metadataProvider));
+- }
+-- // Create CompiledCreateIndexStatement from metadata entity 'index'.
+-- CompiledCreateIndexStatement cis = new CompiledCreateIndexStatement(index.getIndexName(), dataverseName,
+-- index.getDatasetName(), index.getKeyFieldNames(), index.getGramLength(), index.getIndexType());
+-- jobsToExecute.add(IndexOperations.buildSecondaryIndexLoadingJobSpec(cis, metadataProvider));
+-+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+-+ bActiveTxn = false;
+-+
+-+ for (JobSpecification jobspec : jobsToExecute) {
+-+ runJob(hcc, jobspec);
+-+ }
+-+ } catch (Exception e) {
+-+ if (bActiveTxn) {
+-+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+-+ }
+-+ throw new AlgebricksException(e);
+-+ } finally {
+-+ releaseReadLatch();
+- }
+- }
+++ // Map the log page to a new region in the log file.
++ long nextWritePosition = logManager.getLogPages()[pageToFlush].getNextWritePosition()
++ + logManager.getLogManagerProperties().getLogBufferSize();
+
+- private void handleWriteFromQueryResultStatement(AqlMetadataProvider metadataProvider, Statement stmt,
+- IHyracksClientConnection hcc, List<JobSpecification> jobsToExecute) throws Exception {
+-- metadataProvider.setWriteTransaction(true);
+-- WriteFromQueryResultStatement st1 = (WriteFromQueryResultStatement) stmt;
+-- String dataverseName = st1.getDataverseName() == null ? activeDefaultDataverse == null ? null
+-- : activeDefaultDataverse.getDataverseName() : st1.getDataverseName().getValue();
+-- CompiledWriteFromQueryResultStatement clfrqs = new CompiledWriteFromQueryResultStatement(dataverseName, st1
+-- .getDatasetName().getValue(), st1.getQuery(), st1.getVarCounter());
++- /*
++- * long nextPos = (numCycles + 1)
++- * logManager.getLogManagerProperties() .getLogBufferSize()
++- * + pageToFlush logManager.getLogManagerProperties()
++- * .getLogPageSize();
++- */
++ logManager.resetLogPage(nextWritePosition, pageToFlush);
+
+-- Pair<JobSpecification, FileSplit> compiled = rewriteCompileQuery(metadataProvider, clfrqs.getQuery(), clfrqs);
+-- if (compiled.first != null) {
+-- jobsToExecute.add(compiled.first);
+-+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+-+ boolean bActiveTxn = true;
+-+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+-+ acquireReadLatch();
+-+
+-+ try {
+-+ metadataProvider.setWriteTransaction(true);
+-+ WriteFromQueryResultStatement st1 = (WriteFromQueryResultStatement) stmt;
+-+ String dataverseName = st1.getDataverseName() == null ? activeDefaultDataverse == null ? null
+-+ : activeDefaultDataverse.getDataverseName() : st1.getDataverseName().getValue();
+-+ CompiledWriteFromQueryResultStatement clfrqs = new CompiledWriteFromQueryResultStatement(dataverseName, st1
+-+ .getDatasetName().getValue(), st1.getQuery(), st1.getVarCounter());
+-+
+-+ Pair<JobSpecification, FileSplit> compiled = rewriteCompileQuery(metadataProvider, clfrqs.getQuery(),
+-+ clfrqs);
+-+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+-+ bActiveTxn = false;
+-+ if (compiled.first != null) {
+-+ runJob(hcc, compiled.first);
+-+ }
+-+ } catch (Exception e) {
+-+ if (bActiveTxn) {
+-+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+-+ }
+-+ throw new AlgebricksException(e);
+-+ } finally {
+-+ releaseReadLatch();
+- }
+- }
++ // mark the page as ACTIVE
++ logManager.getLogPageStatus(pageToFlush).set(LogManager.PageState.ACTIVE);
+
+- private void handleInsertStatement(AqlMetadataProvider metadataProvider, Statement stmt,
+- IHyracksClientConnection hcc, List<JobSpecification> jobsToExecute) throws Exception {
+-- metadataProvider.setWriteTransaction(true);
+-- InsertStatement stmtInsert = (InsertStatement) stmt;
+-- String dataverseName = stmtInsert.getDataverseName() == null ? activeDefaultDataverse == null ? null
+-- : activeDefaultDataverse.getDataverseName() : stmtInsert.getDataverseName().getValue();
+-- CompiledInsertStatement clfrqs = new CompiledInsertStatement(dataverseName, stmtInsert.getDatasetName()
+-- .getValue(), stmtInsert.getQuery(), stmtInsert.getVarCounter());
+-- Pair<JobSpecification, FileSplit> compiled = rewriteCompileQuery(metadataProvider, clfrqs.getQuery(), clfrqs);
+-- if (compiled.first != null) {
+-- jobsToExecute.add(compiled.first);
+-+
+-+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+-+ boolean bActiveTxn = true;
+-+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+-+ acquireReadLatch();
+-+
+-+ try {
+-+ metadataProvider.setWriteTransaction(true);
+-+ InsertStatement stmtInsert = (InsertStatement) stmt;
+-+ String dataverseName = stmtInsert.getDataverseName() == null ? activeDefaultDataverse == null ? null
+-+ : activeDefaultDataverse.getDataverseName() : stmtInsert.getDataverseName().getValue();
+-+ CompiledInsertStatement clfrqs = new CompiledInsertStatement(dataverseName, stmtInsert.getDatasetName()
+-+ .getValue(), stmtInsert.getQuery(), stmtInsert.getVarCounter());
+-+ Pair<JobSpecification, FileSplit> compiled = rewriteCompileQuery(metadataProvider, clfrqs.getQuery(),
+-+ clfrqs);
+-+
+-+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+-+ bActiveTxn = false;
+-+
+-+ if (compiled.first != null) {
+-+ runJob(hcc, compiled.first);
+-+ }
+-+
+-+ } catch (Exception e) {
+-+ if (bActiveTxn) {
+-+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+-+ }
+-+ throw new AlgebricksException(e);
+-+ } finally {
+-+ releaseReadLatch();
+- }
+- }
++- // notify all waiting (transaction) threads.
++- // Transaction thread may be waiting for the page to be
++- // available or may have a commit log record on the page
++- // that got flushed.
++- logManager.getLogPages()[pageToFlush].notifyAll();
++- logManager.setLastFlushedPage(pageToFlush);
+++ //#. checks the queue whether there is another flush request on the same log buffer
+++ // If there is another request, then simply remove it.
+++ if (flushRequestQueue[pageToFlush].peek() != null) {
+++ flushRequestQueue[pageToFlush].take();
+++ }
+
+- private void handleDeleteStatement(AqlMetadataProvider metadataProvider, Statement stmt,
+- IHyracksClientConnection hcc, List<JobSpecification> jobsToExecute) throws Exception {
+-- metadataProvider.setWriteTransaction(true);
+-- DeleteStatement stmtDelete = (DeleteStatement) stmt;
+-- String dataverseName = stmtDelete.getDataverseName() == null ? activeDefaultDataverse == null ? null
+-- : activeDefaultDataverse.getDataverseName() : stmtDelete.getDataverseName().getValue();
+-- CompiledDeleteStatement clfrqs = new CompiledDeleteStatement(stmtDelete.getVariableExpr(), dataverseName,
+-- stmtDelete.getDatasetName().getValue(), stmtDelete.getCondition(), stmtDelete.getDieClause(),
+-- stmtDelete.getVarCounter(), metadataProvider);
+-- Pair<JobSpecification, FileSplit> compiled = rewriteCompileQuery(metadataProvider, clfrqs.getQuery(), clfrqs);
+-- if (compiled.first != null) {
+-- jobsToExecute.add(compiled.first);
+-+
+-+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+-+ boolean bActiveTxn = true;
+-+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+-+ acquireReadLatch();
+-+
+-+ try {
+-+ metadataProvider.setWriteTransaction(true);
+-+ DeleteStatement stmtDelete = (DeleteStatement) stmt;
+-+ String dataverseName = stmtDelete.getDataverseName() == null ? activeDefaultDataverse == null ? null
+-+ : activeDefaultDataverse.getDataverseName() : stmtDelete.getDataverseName().getValue();
+-+ CompiledDeleteStatement clfrqs = new CompiledDeleteStatement(stmtDelete.getVariableExpr(), dataverseName,
+-+ stmtDelete.getDatasetName().getValue(), stmtDelete.getCondition(), stmtDelete.getDieClause(),
+-+ stmtDelete.getVarCounter(), metadataProvider);
+-+ Pair<JobSpecification, FileSplit> compiled = rewriteCompileQuery(metadataProvider, clfrqs.getQuery(),
+-+ clfrqs);
+-+
+-+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+-+ bActiveTxn = false;
+-+
+-+ if (compiled.first != null) {
+-+ runJob(hcc, compiled.first);
+-+ }
+-+
+-+ } catch (Exception e) {
+-+ if (bActiveTxn) {
+-+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+-+ }
+-+ throw new AlgebricksException(e);
+-+ } finally {
+-+ releaseReadLatch();
+++ // notify all waiting (transaction) threads.
+++ logManager.getLogPage(pageToFlush).notifyAll();
++ }
++ } catch (IOException ioe) {
++ ioe.printStackTrace();
++ throw new Error(" exception in flushing log page", ioe);
++ } catch (InterruptedException e) {
++ e.printStackTrace();
++- break; // must break from the loop as the exception indicates
++- // some thing horrendous has happened elsewhere
+++ break;
++ }
+ }
+ }
++-}
++-
++-/*
++- * TODO: By default the commit policy is to commit at each request and not have
++- * a group commit. The following code needs to change to support group commit.
++- * The code for group commit has not been tested thoroughly and is under
++- * development.
++- */
++-class BasicCommitResolver implements ICommitResolver {
++-
++- public boolean shouldCommitPage(int pageIndex, LogManager logManager,
++- CommitRequestStatistics commitRequestStatistics) {
++- return true;
++- }
++-
++- public void init(LogManager logManager) {
++- }
++-}
++-
++-class GroupCommitResolver implements ICommitResolver {
++-
++- public boolean shouldCommitPage(int pageIndex, LogManager logManager,
++- CommitRequestStatistics commitRequestStatistics) {
++- long maxCommitWait = logManager.getLogManagerProperties().getGroupCommitWaitPeriod();
++- long timestamp = commitRequestStatistics.getPageLevelLastCommitRequestTimestamp(pageIndex);
++- if (timestamp == -1) {
++- if (maxCommitWait == 0) {
++- return true;
++- } else {
++- timestamp = System.currentTimeMillis();
++- }
++- }
++- long currenTime = System.currentTimeMillis();
++- if (currenTime - timestamp > maxCommitWait) {
++- return true;
++- }
++- return false;
++- }
++-
++- public void init(LogManager logManager) {
++- GroupCommitHandlerThread groupCommitHandler = new GroupCommitHandlerThread(logManager);
++- groupCommitHandler.setDaemon(true);
++- groupCommitHandler.start();
++- }
++-
++- class GroupCommitHandlerThread extends Thread {
++-
++- private LogManager logManager;
++-
++- public GroupCommitHandlerThread(LogManager logManager) {
++- this.logManager = logManager;
++- setName("Group Commit Handler");
++- }
++-
++- @Override
++- public void run() {
++- int pageIndex = -1;
++- while (true) {
++- pageIndex = logManager.getNextPageInSequence(pageIndex);
++- long lastCommitRequeestTimestamp = logManager.getCommitRequestStatistics()
++- .getPageLevelLastCommitRequestTimestamp(pageIndex);
++- if (lastCommitRequeestTimestamp != -1
++- && System.currentTimeMillis() - lastCommitRequeestTimestamp > logManager
++- .getLogManagerProperties().getGroupCommitWaitPeriod()) {
++- int dirtyCount = logManager.getLogPageOwnershipCount(pageIndex).decrementAndGet();
++- if (dirtyCount == 0) {
++- try {
++- logManager.getLogPageStatus(pageIndex).set(LogManager.PageState.INACTIVE);
++- logManager.getPendingFlushRequests(pageIndex).put(Thread.currentThread());
++- } catch (InterruptedException e) {
++- e.printStackTrace();
++- break;
++- }
++- logManager.getCommitRequestStatistics().committedPage(pageIndex);
++- }
++- }
++- }
++- }
++- }
++-
++-}
++-
++-interface ICommitResolver {
++- public boolean shouldCommitPage(int pageIndex, LogManager logManager,
++- CommitRequestStatistics commitRequestStatistics);
++-
++- public void init(LogManager logManager);
++-}
++-
++-/**
++- * Represents a collection of all commit requests by transactions for each log
++- * page. The requests are accumulated until the commit policy triggers a flush
++- * of the corresponding log page. Upon a flush of a page, all commit requests
++- * for the page are cleared.
++- */
++-class CommitRequestStatistics {
++-
++- AtomicInteger[] pageLevelCommitRequestCount;
++- AtomicLong[] pageLevelLastCommitRequestTimestamp;
++-
++- public CommitRequestStatistics(int numPages) {
++- pageLevelCommitRequestCount = new AtomicInteger[numPages];
++- pageLevelLastCommitRequestTimestamp = new AtomicLong[numPages];
++- for (int i = 0; i < numPages; i++) {
++- pageLevelCommitRequestCount[i] = new AtomicInteger(0);
++- pageLevelLastCommitRequestTimestamp[i] = new AtomicLong(-1L);
++- }
++- }
++-
++- public void registerCommitRequest(int pageIndex) {
++- pageLevelCommitRequestCount[pageIndex].incrementAndGet();
++- pageLevelLastCommitRequestTimestamp[pageIndex].set(System.currentTimeMillis());
++- }
++-
++- public long getPageLevelLastCommitRequestTimestamp(int pageIndex) {
++- return pageLevelLastCommitRequestTimestamp[pageIndex].get();
++- }
++-
++- public void committedPage(int pageIndex) {
++- pageLevelCommitRequestCount[pageIndex].set(0);
++- pageLevelLastCommitRequestTimestamp[pageIndex].set(-1L);
++- }
++-
++-}
+++}
++\ No newline at end of file
++Index: asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogRecordHelper.java
++===================================================================
++--- asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogRecordHelper.java (revision 1194)
+++++ asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogRecordHelper.java (working copy)
++@@ -152,6 +152,9 @@
++ case LogType.UPDATE:
++ logTypeDisplay = "UPDATE";
++ break;
+++ case LogType.ENTITY_COMMIT:
+++ logTypeDisplay = "ENTITY_COMMIT";
+++ break;
++ }
++ builder.append(" LSN : ").append(logicalLogLocator.getLsn());
++ builder.append(" Log Type : ").append(logTypeDisplay);
++Index: asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogType.java
++===================================================================
++--- asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogType.java (revision 1194)
+++++ asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogType.java (working copy)
++@@ -18,5 +18,6 @@
+
+-@@ -704,46 +1106,109 @@
++ public static final byte UPDATE = 0;
++ public static final byte COMMIT = 1;
+++ public static final byte ENTITY_COMMIT = 2;
+
+- private void handleBeginFeedStatement(AqlMetadataProvider metadataProvider, Statement stmt,
+- IHyracksClientConnection hcc, List<JobSpecification> jobsToExecute) throws Exception {
+-- BeginFeedStatement bfs = (BeginFeedStatement) stmt;
+-- String dataverseName = bfs.getDataverseName() == null ? activeDefaultDataverse == null ? null
+-- : activeDefaultDataverse.getDataverseName() : bfs.getDatasetName().getValue();
++ }
++Index: asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogManagerProperties.java
++===================================================================
++--- asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogManagerProperties.java (revision 1194)
+++++ asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/logging/LogManagerProperties.java (working copy)
++@@ -1,5 +1,5 @@
++ /*
++- * Copyright 2009-2010 by The Regents of the University of California
+++ * Copyright 2009-2012 by The Regents of the University of California
++ * Licensed under the Apache License, Version 2.0 (the "License");
++ * you may not use this file except in compliance with the License.
++ * you may obtain a copy of the License from
++@@ -41,7 +41,7 @@
++ private int logPageSize = 128 * 1024; // 128 KB
++ private int numLogPages = 8; // number of log pages in the log buffer.
+
+-- CompiledBeginFeedStatement cbfs = new CompiledBeginFeedStatement(dataverseName,
+-- bfs.getDatasetName().getValue(), bfs.getQuery(), bfs.getVarCounter());
+-+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+-+ boolean bActiveTxn = true;
+-+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+-+ acquireReadLatch();
++- private long groupCommitWaitPeriod = 0; // time in milliseconds for which a
+++ private long groupCommitWaitPeriod = 1; // time in milliseconds for which a
++ // commit record will wait before
++ // the housing page is marked for
++ // flushing.
++Index: asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/recovery/RecoveryManager.java
++===================================================================
++--- asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/recovery/RecoveryManager.java (revision 1194)
+++++ asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/service/recovery/RecoveryManager.java (working copy)
++@@ -184,6 +184,7 @@
++ break;
+
+-- Dataset dataset;
+-- dataset = MetadataManager.INSTANCE.getDataset(metadataProvider.getMetadataTxnContext(), dataverseName, bfs
+-- .getDatasetName().getValue());
+-- IDatasetDetails datasetDetails = dataset.getDatasetDetails();
+-- if (datasetDetails.getDatasetType() != DatasetType.FEED) {
+-- throw new IllegalArgumentException("Dataset " + bfs.getDatasetName().getValue() + " is not a feed dataset");
+-+ try {
+-+ BeginFeedStatement bfs = (BeginFeedStatement) stmt;
+-+ String dataverseName = bfs.getDataverseName() == null ? activeDefaultDataverse == null ? null
+-+ : activeDefaultDataverse.getDataverseName() : bfs.getDatasetName().getValue();
+-+
+-+ CompiledBeginFeedStatement cbfs = new CompiledBeginFeedStatement(dataverseName, bfs.getDatasetName()
+-+ .getValue(), bfs.getQuery(), bfs.getVarCounter());
+-+
+-+ Dataset dataset;
+-+ dataset = MetadataManager.INSTANCE.getDataset(metadataProvider.getMetadataTxnContext(), dataverseName, bfs
+-+ .getDatasetName().getValue());
+-+ IDatasetDetails datasetDetails = dataset.getDatasetDetails();
+-+ if (datasetDetails.getDatasetType() != DatasetType.FEED) {
+-+ throw new IllegalArgumentException("Dataset " + bfs.getDatasetName().getValue()
+-+ + " is not a feed dataset");
+-+ }
+-+ bfs.initialize(metadataProvider.getMetadataTxnContext(), dataset);
+-+ cbfs.setQuery(bfs.getQuery());
+-+ Pair<JobSpecification, FileSplit> compiled = rewriteCompileQuery(metadataProvider, bfs.getQuery(), cbfs);
+-+
+-+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+-+ bActiveTxn = false;
+-+
+-+ if (compiled.first != null) {
+-+ runJob(hcc, compiled.first);
+-+ }
+-+
+-+ } catch (Exception e) {
+-+ if (bActiveTxn) {
+-+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+-+ }
+-+ throw new AlgebricksException(e);
+-+ } finally {
+-+ releaseReadLatch();
+- }
+-- bfs.initialize(metadataProvider.getMetadataTxnContext(), dataset);
+-- cbfs.setQuery(bfs.getQuery());
+-- Pair<JobSpecification, FileSplit> compiled = rewriteCompileQuery(metadataProvider, bfs.getQuery(), cbfs);
+-- if (compiled.first != null) {
+-- jobsToExecute.add(compiled.first);
+-- }
+- }
++ case LogType.COMMIT:
+++ case LogType.ENTITY_COMMIT:
++ tempKeyTxnId.setTxnId(logRecordHelper.getJobId(currentLogLocator),
++ logRecordHelper.getDatasetId(currentLogLocator),
++ logRecordHelper.getPKHashValue(currentLogLocator));
++@@ -218,6 +219,7 @@
++ IIndex index = null;
++ LocalResource localResource = null;
++ ILocalResourceMetadata localResourceMetadata = null;
+++ List<Long> resourceIdList = new ArrayList<Long>();
+
+- private void handleControlFeedStatement(AqlMetadataProvider metadataProvider, Statement stmt,
+- IHyracksClientConnection hcc, List<JobSpecification> jobsToExecute) throws Exception {
+-- ControlFeedStatement cfs = (ControlFeedStatement) stmt;
+-- String dataverseName = cfs.getDataverseName() == null ? activeDefaultDataverse == null ? null
+-- : activeDefaultDataverse.getDataverseName() : cfs.getDatasetName().getValue();
+-- CompiledControlFeedStatement clcfs = new CompiledControlFeedStatement(cfs.getOperationType(), dataverseName,
+-- cfs.getDatasetName().getValue(), cfs.getAlterAdapterConfParams());
+-- jobsToExecute.add(FeedOperations.buildControlFeedJobSpec(clcfs, metadataProvider));
+-+
+-+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+-+ boolean bActiveTxn = true;
+-+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+-+ acquireReadLatch();
+-+
+-+ try {
+-+ ControlFeedStatement cfs = (ControlFeedStatement) stmt;
+-+ String dataverseName = cfs.getDataverseName() == null ? activeDefaultDataverse == null ? null
+-+ : activeDefaultDataverse.getDataverseName() : cfs.getDatasetName().getValue();
+-+ CompiledControlFeedStatement clcfs = new CompiledControlFeedStatement(cfs.getOperationType(),
+-+ dataverseName, cfs.getDatasetName().getValue(), cfs.getAlterAdapterConfParams());
+-+ JobSpecification jobSpec = FeedOperations.buildControlFeedJobSpec(clcfs, metadataProvider);
+-+
+-+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+-+ bActiveTxn = false;
+-+
+-+ runJob(hcc, jobSpec);
+-+
+-+ } catch (Exception e) {
+-+ if (bActiveTxn) {
+-+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+-+ }
+-+ throw new AlgebricksException(e);
+-+ } finally {
+-+ releaseReadLatch();
+-+ }
+- }
++ //#. get indexLifeCycleManager
++ IAsterixAppRuntimeContextProvider appRuntimeContext = txnSubsystem.getAsterixAppRuntimeContextProvider();
++@@ -272,6 +274,8 @@
++ index = localResourceMetadata.createIndexInstance(appRuntimeContext,
++ localResource.getResourceName(), localResource.getPartition());
++ indexLifecycleManager.register(resourceId, index);
+++ indexLifecycleManager.open(resourceId);
+++ resourceIdList.add(resourceId);
++ }
+
+- private QueryResult handleQuery(AqlMetadataProvider metadataProvider, Query query, IHyracksClientConnection hcc,
+- List<JobSpecification> jobsToExecute) throws Exception {
+-- Pair<JobSpecification, FileSplit> compiled = rewriteCompileQuery(metadataProvider, query, null);
+-- if (compiled.first != null) {
+-- GlobalConfig.ASTERIX_LOGGER.info(compiled.first.toJSON().toString(1));
+-- jobsToExecute.add(compiled.first);
+-+
+-+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+-+ boolean bActiveTxn = true;
+-+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+-+ acquireReadLatch();
+-+
+-+ try {
+-+ Pair<JobSpecification, FileSplit> compiled = rewriteCompileQuery(metadataProvider, query, null);
+-+
+-+ QueryResult queryResult = new QueryResult(query, compiled.second.getLocalFile().getFile().getAbsolutePath());
+-+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+-+ bActiveTxn = false;
+-+
+-+ if (compiled.first != null) {
+-+ GlobalConfig.ASTERIX_LOGGER.info(compiled.first.toJSON().toString(1));
+-+ runJob(hcc, compiled.first);
+-+ }
+-+
+-+ return queryResult;
+-+ } catch (Exception e) {
+-+ if (bActiveTxn) {
+-+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+-+ }
+-+ throw new AlgebricksException(e);
+-+ } finally {
+-+ releaseReadLatch();
+- }
+-- return new QueryResult(query, compiled.second.getLocalFile().getFile().getAbsolutePath());
+- }
++ /***************************************************/
++@@ -300,6 +304,7 @@
++ break;
+
+- private void runCreateIndexJob(IHyracksClientConnection hcc, CreateIndexStatement stmtCreateIndex,
+-@@ -768,20 +1233,32 @@
+- private void handleCreateNodeGroupStatement(AqlMetadataProvider metadataProvider, Statement stmt,
+- List<JobSpecification> jobsToExecute) throws MetadataException, AlgebricksException, RemoteException,
+- ACIDException {
+-- MetadataTransactionContext mdTxnCtx = metadataProvider.getMetadataTxnContext();
+-- NodegroupDecl stmtCreateNodegroup = (NodegroupDecl) stmt;
+-- String ngName = stmtCreateNodegroup.getNodegroupName().getValue();
+-- NodeGroup ng = MetadataManager.INSTANCE.getNodegroup(mdTxnCtx, ngName);
+-- if (ng != null) {
+-- if (!stmtCreateNodegroup.getIfNotExists())
+-- throw new AlgebricksException("A nodegroup with this name " + ngName + " already exists.");
+-- } else {
+-- List<Identifier> ncIdentifiers = stmtCreateNodegroup.getNodeControllerNames();
+-- List<String> ncNames = new ArrayList<String>(ncIdentifiers.size());
+-- for (Identifier id : ncIdentifiers) {
+-- ncNames.add(id.getValue());
+-+
+-+ MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+-+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+-+ acquireWriteLatch();
+-+
+-+ try {
+-+ NodegroupDecl stmtCreateNodegroup = (NodegroupDecl) stmt;
+-+ String ngName = stmtCreateNodegroup.getNodegroupName().getValue();
+-+ NodeGroup ng = MetadataManager.INSTANCE.getNodegroup(mdTxnCtx, ngName);
+-+ if (ng != null) {
+-+ if (!stmtCreateNodegroup.getIfNotExists())
+-+ throw new AlgebricksException("A nodegroup with this name " + ngName + " already exists.");
+-+ } else {
+-+ List<Identifier> ncIdentifiers = stmtCreateNodegroup.getNodeControllerNames();
+-+ List<String> ncNames = new ArrayList<String>(ncIdentifiers.size());
+-+ for (Identifier id : ncIdentifiers) {
+-+ ncNames.add(id.getValue());
+-+ }
+-+ MetadataManager.INSTANCE.addNodegroup(mdTxnCtx, new NodeGroup(ngName, ncNames));
++ case LogType.COMMIT:
+++ case LogType.ENTITY_COMMIT:
++ //do nothing
++ break;
++
++@@ -308,6 +313,11 @@
+ }
+-- MetadataManager.INSTANCE.addNodegroup(mdTxnCtx, new NodeGroup(ngName, ncNames));
+-+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+-+ } catch (Exception e) {
+-+ MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
+-+ throw new AlgebricksException(e);
+-+ } finally {
+-+ releaseWriteLatch();
+ }
+- }
+-
+-@@ -791,10 +1268,37 @@
+-
+- private void compileIndexDropStatement(IHyracksClientConnection hcc, String dataverseName, String datasetName,
+- String indexName, AqlMetadataProvider metadataProvider) throws Exception {
+-+ MetadataTransactionContext mdTxnCtx = metadataProvider.getMetadataTxnContext();
+-+ Index index = MetadataManager.INSTANCE.getIndex(mdTxnCtx, dataverseName, datasetName, indexName);
+-+
+-+ //#. mark PendingDropOp on the existing index
+-+ MetadataManager.INSTANCE.dropIndex(mdTxnCtx, dataverseName, datasetName, indexName);
+-+ MetadataManager.INSTANCE.addIndex(
+-+ mdTxnCtx,
+-+ new Index(dataverseName, datasetName, indexName, index.getIndexType(), index.getKeyFieldNames(), index
+-+ .isPrimaryIndex(), IMetadataEntity.PENDING_DROP_OP));
+- CompiledIndexDropStatement cds = new CompiledIndexDropStatement(dataverseName, datasetName, indexName);
+-- runJob(hcc, IndexOperations.buildDropSecondaryIndexJobSpec(cds, metadataProvider));
+-- MetadataManager.INSTANCE.dropIndex(metadataProvider.getMetadataTxnContext(), dataverseName, datasetName,
+-- indexName);
+-+ JobSpecification jobSpec = IndexOperations.buildDropSecondaryIndexJobSpec(cds, metadataProvider);
+-+
+-+ //#. commit the existing transaction before calling runJob.
+-+ // the caller should begin the transaction before calling this function.
+-+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+-+
+-+ try {
+-+ runJob(hcc, jobSpec);
+-+ } catch (Exception e) {
+-+ //need to create the mdTxnCtx to be aborted by caller properly
+-+ mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+-+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+-+ throw e;
++
+++ //close all indexes
+++ for (long r : resourceIdList) {
+++ indexLifecycleManager.close(r);
+ + }
+-+
+-+ //#. begin a new transaction
+-+ mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+-+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+-+
+-+ //#. finally, delete the existing index
+-+ MetadataManager.INSTANCE.dropIndex(mdTxnCtx, dataverseName, datasetName, indexName);
+++
++ JobIdFactory.initJobId(maxJobId);
+ }
+
+- private void compileDatasetDropStatement(IHyracksClientConnection hcc, String dataverseName, String datasetName,
+-@@ -803,10 +1307,32 @@
+- CompiledDatasetDropStatement cds = new CompiledDatasetDropStatement(dataverseName, datasetName);
+- Dataset ds = MetadataManager.INSTANCE.getDataset(mdTxnCtx, dataverseName, datasetName);
+- if (ds.getDatasetType() == DatasetType.INTERNAL || ds.getDatasetType() == DatasetType.FEED) {
+-- JobSpecification[] jobSpecs = DatasetOperations.createDropDatasetJobSpec(cds, metadataProvider);
+-- for (JobSpecification spec : jobSpecs)
+-- runJob(hcc, spec);
+-+ JobSpecification jobSpec = DatasetOperations.createDropDatasetJobSpec(cds, metadataProvider);
+-+
+-+ //#. mark PendingDropOp on the existing dataset
+-+ MetadataManager.INSTANCE.dropDataset(mdTxnCtx, dataverseName, datasetName);
+-+ MetadataManager.INSTANCE.addDataset(mdTxnCtx, new Dataset(dataverseName, datasetName, ds.getItemTypeName(),
+-+ ds.getDatasetDetails(), ds.getDatasetType(), ds.getDatasetId(), IMetadataEntity.PENDING_DROP_OP));
+-+
+-+ //#. commit the transaction
+-+ MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
+-+
+-+ //#. run the job
+-+ try {
+-+ runJob(hcc, jobSpec);
+-+ } catch (Exception e) {
+-+ //need to create the mdTxnCtx to be aborted by caller properly
+-+ mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+-+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+-+ throw e;
++@@ -539,6 +549,7 @@
++ break;
++
++ case LogType.COMMIT:
+++ case LogType.ENTITY_COMMIT:
++ undoLSNSet = loserTxnTable.get(tempKeyTxnId);
++ if (undoLSNSet != null) {
++ loserTxnTable.remove(tempKeyTxnId);
++Index: asterix-app/src/test/java/edu/uci/ics/asterix/test/metadata/MetadataTest.java
++===================================================================
++--- asterix-app/src/test/java/edu/uci/ics/asterix/test/metadata/MetadataTest.java (revision 1194)
+++++ asterix-app/src/test/java/edu/uci/ics/asterix/test/metadata/MetadataTest.java (working copy)
++@@ -42,6 +42,16 @@
++ List<CompilationUnit> cUnits = tcCtx.getTestCase().getCompilationUnit();
++ for (CompilationUnit cUnit : cUnits) {
++ File testFile = tcCtx.getTestFile(cUnit);
+++
+++ /*****************
+++ if (!testFile.getAbsolutePath().contains("meta09.aql")) {
+++ System.out.println(testFile.getAbsolutePath());
+++ continue;
+ + }
+-+
+-+ //#. start a new transaction
+-+ mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
+-+ metadataProvider.setMetadataTxnContext(mdTxnCtx);
+- }
+-+
+-+ //#. finally, delete the existing dataset.
+- MetadataManager.INSTANCE.dropDataset(mdTxnCtx, dataverseName, datasetName);
+- }
+++ System.out.println(testFile.getAbsolutePath());
+++ *****************/
+++
+++
++ File expectedResultFile = tcCtx.getExpectedResultFile(cUnit);
++ File actualFile = new File(PATH_ACTUAL + File.separator
++ + tcCtx.getTestCase().getFilePath().replace(File.separator, "_") + "_" + cUnit.getName() + ".adm");
++Index: asterix-app/src/test/java/edu/uci/ics/asterix/test/runtime/ExecutionTest.java
++===================================================================
++--- asterix-app/src/test/java/edu/uci/ics/asterix/test/runtime/ExecutionTest.java (revision 1194)
+++++ asterix-app/src/test/java/edu/uci/ics/asterix/test/runtime/ExecutionTest.java (working copy)
++@@ -95,9 +95,10 @@
++ File testFile = tcCtx.getTestFile(cUnit);
+
+-@@ -831,4 +1357,20 @@
+- }
+- return format;
+- }
+-+
+-+ private void acquireWriteLatch() {
+-+ cacheLatch.writeLock().lock();
+-+ }
+-+
+-+ private void releaseWriteLatch() {
+-+ cacheLatch.writeLock().unlock();
+-+ }
+-+
+-+ private void acquireReadLatch() {
+-+ cacheLatch.readLock().lock();
+-+ }
+-+
+-+ private void releaseReadLatch() {
+-+ cacheLatch.readLock().unlock();
+-+ }
+- }
++ /*************** to avoid run failure cases ****************
++- if (!testFile.getAbsolutePath().contains("index-selection/")) {
+++ if (!testFile.getAbsolutePath().contains("query-issue205.aql")) {
++ continue;
++ }
+++ System.out.println(testFile.getAbsolutePath());
++ ************************************************************/
++
++ File expectedResultFile = tcCtx.getExpectedResultFile(cUnit);
diff --git a/pom.xml b/pom.xml
index b82b253..6ae70d9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -79,7 +79,6 @@
<module>asterix-runtime</module>
<module>asterix-om</module>
<module>asterix-aql</module>
- <module>asterix-hyracks-glue</module>
<module>asterix-external-data</module>
<module>asterix-metadata</module>
<module>asterix-test-framework</module>