diff --git a/fullstack/hyracks/hyracks-examples/btree-example/btreeapp/pom.xml b/fullstack/hyracks/hyracks-examples/btree-example/btreeapp/pom.xml
deleted file mode 100644
index f392b34..0000000
--- a/fullstack/hyracks/hyracks-examples/btree-example/btreeapp/pom.xml
+++ /dev/null
@@ -1,87 +0,0 @@
-<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/maven-v4_0_0.xsd">
-  <modelVersion>4.0.0</modelVersion>
-  <groupId>edu.uci.ics.hyracks.examples.btree</groupId>
-  <artifactId>btreeapp</artifactId>
-  <name>btreeapp</name>
-
-  <parent>
-    <groupId>edu.uci.ics.hyracks.examples</groupId>
-    <artifactId>btree-example</artifactId>
-    <version>0.2.4-SNAPSHOT</version>
-  </parent>
-
-  <build>
-    <pluginManagement>
-      <plugins>
-        <plugin>
-          <groupId>org.eclipse.m2e</groupId>
-          <artifactId>lifecycle-mapping</artifactId>
-          <version>1.0.0</version>
-          <configuration>
-            <lifecycleMappingMetadata>
-              <pluginExecutions>
-                <pluginExecution>
-                  <pluginExecutionFilter>
-                    <groupId>org.apache.maven.plugins</groupId>
-                    <artifactId>maven-dependency-plugin</artifactId>
-                    <versionRange>[1.0.0,)</versionRange>
-                    <goals>
-                      <goal>copy-dependencies</goal>
-                    </goals>
-                  </pluginExecutionFilter>
-                  <action>
-                    <ignore />
-                  </action>
-                </pluginExecution>
-              </pluginExecutions>
-            </lifecycleMappingMetadata>
-          </configuration>
-        </plugin>
-      </plugins>
-	</pluginManagement>
-  
-    <plugins>
-      <plugin>
-        <groupId>org.apache.maven.plugins</groupId>
-        <artifactId>maven-dependency-plugin</artifactId>
-        <executions>
-          <execution>
-            <id>copy-dependencies</id>
-            <phase>package</phase>
-            <goals>
-              <goal>copy-dependencies</goal>
-            </goals>
-            <configuration>
-              <outputDirectory>target/application/lib</outputDirectory>
-            </configuration>
-          </execution>
-        </executions>
-      </plugin>
-      <plugin>
-        <artifactId>maven-assembly-plugin</artifactId>
-        <version>2.2-beta-5</version>
-        <executions>
-          <execution>
-            <configuration>
-              <descriptors>
-                <descriptor>src/main/assembly/app-assembly.xml</descriptor>
-              </descriptors>
-            </configuration>
-            <phase>package</phase>
-            <goals>
-              <goal>attached</goal>
-            </goals>
-          </execution>
-        </executions>
-      </plugin>
-    </plugins>
-  </build>
-  <dependencies>
-  	<dependency>
-  		<groupId>edu.uci.ics.hyracks.examples.btree</groupId>
-  		<artifactId>btreehelper</artifactId>
-  		<version>0.2.4-SNAPSHOT</version>
-  		<scope>compile</scope>
-  	</dependency>
-  </dependencies>
-</project>
diff --git a/fullstack/hyracks/hyracks-examples/btree-example/btreeapp/src/main/assembly/app-assembly.xml b/fullstack/hyracks/hyracks-examples/btree-example/btreeapp/src/main/assembly/app-assembly.xml
deleted file mode 100644
index 43ace6c..0000000
--- a/fullstack/hyracks/hyracks-examples/btree-example/btreeapp/src/main/assembly/app-assembly.xml
+++ /dev/null
@@ -1,13 +0,0 @@
-<assembly>
-  <id>app-assembly</id>
-  <formats>
-    <format>zip</format>
-  </formats>
-  <includeBaseDirectory>false</includeBaseDirectory>
-  <fileSets>
-    <fileSet>
-      <directory>target/application/lib</directory>
-      <outputDirectory>lib</outputDirectory>
-    </fileSet>
-  </fileSets>
-</assembly>
diff --git a/fullstack/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/edu/uci/ics/hyracks/examples/btree/client/InsertPipelineExample.java b/fullstack/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/edu/uci/ics/hyracks/examples/btree/client/InsertPipelineExample.java
index b6e8c72..a939a04 100644
--- a/fullstack/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/edu/uci/ics/hyracks/examples/btree/client/InsertPipelineExample.java
+++ b/fullstack/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/edu/uci/ics/hyracks/examples/btree/client/InsertPipelineExample.java
@@ -41,15 +41,14 @@
 import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
 import edu.uci.ics.hyracks.dataflow.std.misc.NullSinkOperatorDescriptor;
 import edu.uci.ics.hyracks.examples.btree.helper.DataGenOperatorDescriptor;
-import edu.uci.ics.hyracks.examples.btree.helper.IndexRegistryProvider;
+import edu.uci.ics.hyracks.examples.btree.helper.IndexLifecycleManagerProvider;
 import edu.uci.ics.hyracks.examples.btree.helper.StorageManagerInterface;
 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.api.IIndexLifecycleManagerProvider;
 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.dataflow.TreeIndexInsertUpdateDeleteOperatorDescriptor;
-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.common.IStorageManagerInterface;
 
 // This example will insert tuples into the primary and secondary index using an insert pipeline
@@ -62,9 +61,6 @@
         @Option(name = "-port", usage = "Hyracks Cluster Controller Port (default: 1098)")
         public int port = 1098;
 
-        @Option(name = "-app", usage = "Hyracks Application name", required = true)
-        public String app;
-
         @Option(name = "-target-ncs", usage = "Comma separated list of node-controller names to use", required = true)
         public String ncs;
 
@@ -88,7 +84,7 @@
         JobSpecification job = createJob(options);
 
         long start = System.currentTimeMillis();
-        JobId jobId = hcc.startJob(options.app, job);
+        JobId jobId = hcc.startJob(job);
         hcc.waitForCompletion(jobId);
         long end = System.currentTimeMillis();
         System.err.println(start + " " + end + " " + (end - start));
@@ -124,7 +120,7 @@
         // run data generator on first nodecontroller given
         PartitionConstraintHelper.addAbsoluteLocationConstraint(spec, dataGen, splitNCs[0]);
 
-        IIndexRegistryProvider<IIndex> indexRegistryProvider = IndexRegistryProvider.INSTANCE;
+        IIndexLifecycleManagerProvider lcManagerProvider = IndexLifecycleManagerProvider.INSTANCE;
         IStorageManagerInterface storageManager = StorageManagerInterface.INSTANCE;
 
         // prepare insertion into primary index
@@ -151,9 +147,9 @@
 
         // create operator descriptor
         TreeIndexInsertUpdateDeleteOperatorDescriptor primaryInsert = new TreeIndexInsertUpdateDeleteOperatorDescriptor(
-                spec, recDesc, storageManager, indexRegistryProvider, primarySplitProvider, primaryTypeTraits,
-                primaryComparatorFactories, primaryFieldPermutation, IndexOp.INSERT, dataflowHelperFactory, null,
-                NoOpOperationCallbackProvider.INSTANCE);
+                spec, recDesc, storageManager, lcManagerProvider, primarySplitProvider, primaryTypeTraits,
+                primaryComparatorFactories, null, primaryFieldPermutation, IndexOperation.INSERT,
+                dataflowHelperFactory, null, NoOpOperationCallbackFactory.INSTANCE);
         JobHelper.createPartitionConstraint(spec, primaryInsert, splitNCs);
 
         // prepare insertion into secondary index
@@ -175,9 +171,9 @@
                 options.secondaryBTreeName);
         // create operator descriptor
         TreeIndexInsertUpdateDeleteOperatorDescriptor secondaryInsert = new TreeIndexInsertUpdateDeleteOperatorDescriptor(
-                spec, recDesc, storageManager, indexRegistryProvider, secondarySplitProvider, secondaryTypeTraits,
-                secondaryComparatorFactories, secondaryFieldPermutation, IndexOp.INSERT, dataflowHelperFactory, null,
-                NoOpOperationCallbackProvider.INSTANCE);
+                spec, recDesc, storageManager, lcManagerProvider, secondarySplitProvider, secondaryTypeTraits,
+                secondaryComparatorFactories, null, secondaryFieldPermutation, IndexOperation.INSERT,
+                dataflowHelperFactory, null, NoOpOperationCallbackFactory.INSTANCE);
         JobHelper.createPartitionConstraint(spec, secondaryInsert, splitNCs);
 
         // end the insert pipeline at this sink operator
diff --git a/fullstack/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/edu/uci/ics/hyracks/examples/btree/client/PrimaryIndexBulkLoadExample.java b/fullstack/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/edu/uci/ics/hyracks/examples/btree/client/PrimaryIndexBulkLoadExample.java
index a6c7ea6..616fdae 100644
--- a/fullstack/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/edu/uci/ics/hyracks/examples/btree/client/PrimaryIndexBulkLoadExample.java
+++ b/fullstack/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/edu/uci/ics/hyracks/examples/btree/client/PrimaryIndexBulkLoadExample.java
@@ -40,14 +40,13 @@
 import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
 import edu.uci.ics.hyracks.dataflow.std.sort.ExternalSortOperatorDescriptor;
 import edu.uci.ics.hyracks.examples.btree.helper.DataGenOperatorDescriptor;
-import edu.uci.ics.hyracks.examples.btree.helper.IndexRegistryProvider;
+import edu.uci.ics.hyracks.examples.btree.helper.IndexLifecycleManagerProvider;
 import edu.uci.ics.hyracks.examples.btree.helper.StorageManagerInterface;
 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.api.IIndexLifecycleManagerProvider;
 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.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.common.IStorageManagerInterface;
 
 // This example will load a primary index from randomly generated data
@@ -60,9 +59,6 @@
         @Option(name = "-port", usage = "Hyracks Cluster Controller Port (default: 1098)")
         public int port = 1098;
 
-        @Option(name = "-app", usage = "Hyracks Application name", required = true)
-        public String app;
-
         @Option(name = "-target-ncs", usage = "Comma separated list of node-controller names to use", required = true)
         public String ncs;
 
@@ -86,7 +82,7 @@
         JobSpecification job = createJob(options);
 
         long start = System.currentTimeMillis();
-        JobId jobId = hcc.startJob(options.app, job);
+        JobId jobId = hcc.startJob(job);
         hcc.waitForCompletion(jobId);
         long end = System.currentTimeMillis();
         System.err.println(start + " " + end + " " + (end - start));
@@ -141,7 +137,7 @@
         typeTraits[3] = UTF8StringPointable.TYPE_TRAITS;
 
         // create providers for B-Tree
-        IIndexRegistryProvider<IIndex> indexRegistryProvider = IndexRegistryProvider.INSTANCE;
+        IIndexLifecycleManagerProvider lcManagerProvider = IndexLifecycleManagerProvider.INSTANCE;
         IStorageManagerInterface storageManager = StorageManagerInterface.INSTANCE;
 
         // the B-Tree expects its keyfields to be at the front of its input
@@ -152,8 +148,8 @@
         IFileSplitProvider btreeSplitProvider = JobHelper.createFileSplitProvider(splitNCs, options.btreeName);
         IIndexDataflowHelperFactory dataflowHelperFactory = new BTreeDataflowHelperFactory();
         TreeIndexBulkLoadOperatorDescriptor btreeBulkLoad = new TreeIndexBulkLoadOperatorDescriptor(spec,
-                storageManager, indexRegistryProvider, btreeSplitProvider, typeTraits, comparatorFactories,
-                fieldPermutation, 0.7f, dataflowHelperFactory, NoOpOperationCallbackProvider.INSTANCE);
+                storageManager, lcManagerProvider, btreeSplitProvider, typeTraits, comparatorFactories, null,
+                fieldPermutation, 0.7f, false, 1000L, dataflowHelperFactory, NoOpOperationCallbackFactory.INSTANCE);
         JobHelper.createPartitionConstraint(spec, btreeBulkLoad, splitNCs);
 
         // distribute the records from the datagen via hashing to the bulk load
diff --git a/fullstack/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/edu/uci/ics/hyracks/examples/btree/client/PrimaryIndexSearchExample.java b/fullstack/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/edu/uci/ics/hyracks/examples/btree/client/PrimaryIndexSearchExample.java
index d24ba33..3493947 100644
--- a/fullstack/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/edu/uci/ics/hyracks/examples/btree/client/PrimaryIndexSearchExample.java
+++ b/fullstack/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/edu/uci/ics/hyracks/examples/btree/client/PrimaryIndexSearchExample.java
@@ -38,14 +38,13 @@
 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.examples.btree.helper.IndexRegistryProvider;
+import edu.uci.ics.hyracks.examples.btree.helper.IndexLifecycleManagerProvider;
 import edu.uci.ics.hyracks.examples.btree.helper.StorageManagerInterface;
 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.api.IIndexLifecycleManagerProvider;
 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.impls.NoOpOperationCallbackProvider;
+import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
 import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
 
 // This example will perform an ordered scan on the primary index
@@ -59,9 +58,6 @@
         @Option(name = "-port", usage = "Hyracks Cluster Controller Port (default: 1098)")
         public int port = 1098;
 
-        @Option(name = "-app", usage = "Hyracks Application name", required = true)
-        public String app;
-
         @Option(name = "-target-ncs", usage = "Comma separated list of node-controller names to use", required = true)
         public String ncs;
 
@@ -79,7 +75,7 @@
         JobSpecification job = createJob(options);
 
         long start = System.currentTimeMillis();
-        JobId jobId = hcc.startJob(options.app, job);
+        JobId jobId = hcc.startJob(job);
         hcc.waitForCompletion(jobId);
         long end = System.currentTimeMillis();
         System.err.println(start + " " + end + " " + (end - start));
@@ -103,7 +99,7 @@
         comparatorFactories[0] = PointableBinaryComparatorFactory.of(IntegerPointable.FACTORY);
 
         // create roviders for B-Tree
-        IIndexRegistryProvider<IIndex> indexRegistryProvider = IndexRegistryProvider.INSTANCE;
+        IIndexLifecycleManagerProvider lcManagerProvider = IndexLifecycleManagerProvider.INSTANCE;
         IStorageManagerInterface storageManager = StorageManagerInterface.INSTANCE;
 
         // schema of tuples coming out of primary index
@@ -142,8 +138,8 @@
         IFileSplitProvider btreeSplitProvider = JobHelper.createFileSplitProvider(splitNCs, options.btreeName);
         IIndexDataflowHelperFactory dataflowHelperFactory = new BTreeDataflowHelperFactory();
         BTreeSearchOperatorDescriptor btreeSearchOp = new BTreeSearchOperatorDescriptor(spec, recDesc, storageManager,
-                indexRegistryProvider, btreeSplitProvider, typeTraits, comparatorFactories, lowKeyFields,
-                highKeyFields, true, true, dataflowHelperFactory, false, NoOpOperationCallbackProvider.INSTANCE);
+                lcManagerProvider, btreeSplitProvider, typeTraits, comparatorFactories, null, lowKeyFields,
+                highKeyFields, true, true, dataflowHelperFactory, false, NoOpOperationCallbackFactory.INSTANCE);
         JobHelper.createPartitionConstraint(spec, btreeSearchOp, splitNCs);
 
         // have each node print the results of its respective B-Tree
diff --git a/fullstack/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/edu/uci/ics/hyracks/examples/btree/client/SecondaryIndexBulkLoadExample.java b/fullstack/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/edu/uci/ics/hyracks/examples/btree/client/SecondaryIndexBulkLoadExample.java
index 5aa338a..075ea20 100644
--- a/fullstack/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/edu/uci/ics/hyracks/examples/btree/client/SecondaryIndexBulkLoadExample.java
+++ b/fullstack/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/edu/uci/ics/hyracks/examples/btree/client/SecondaryIndexBulkLoadExample.java
@@ -33,15 +33,14 @@
 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.examples.btree.helper.IndexRegistryProvider;
+import edu.uci.ics.hyracks.examples.btree.helper.IndexLifecycleManagerProvider;
 import edu.uci.ics.hyracks.examples.btree.helper.StorageManagerInterface;
 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.api.IIndexLifecycleManagerProvider;
 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.dataflow.TreeIndexBulkLoadOperatorDescriptor;
 import edu.uci.ics.hyracks.storage.am.common.dataflow.TreeIndexDiskOrderScanOperatorDescriptor;
-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.common.IStorageManagerInterface;
 
 // This example will load a secondary index with <key, primary-index key> pairs
@@ -55,9 +54,6 @@
         @Option(name = "-port", usage = "Hyracks Cluster Controller Port (default: 1098)")
         public int port = 1098;
 
-        @Option(name = "-app", usage = "Hyracks Application name", required = true)
-        public String app;
-
         @Option(name = "-target-ncs", usage = "Comma separated list of node-controller names to use", required = true)
         public String ncs;
 
@@ -81,7 +77,7 @@
         JobSpecification job = createJob(options);
 
         long start = System.currentTimeMillis();
-        JobId jobId = hcc.startJob(options.app, job);
+        JobId jobId = hcc.startJob(job);
         hcc.waitForCompletion(jobId);
         long end = System.currentTimeMillis();
         System.err.println(start + " " + end + " " + (end - start));
@@ -93,7 +89,7 @@
 
         String[] splitNCs = options.ncs.split(",");
 
-        IIndexRegistryProvider<IIndex> indexRegistryProvider = IndexRegistryProvider.INSTANCE;
+        IIndexLifecycleManagerProvider lcManagerProvider = IndexLifecycleManagerProvider.INSTANCE;
         IStorageManagerInterface storageManager = StorageManagerInterface.INSTANCE;
 
         // schema of tuples that we are retrieving from the primary index
@@ -122,8 +118,8 @@
         IFileSplitProvider primarySplitProvider = JobHelper.createFileSplitProvider(splitNCs, options.primaryBTreeName);
         IIndexDataflowHelperFactory dataflowHelperFactory = new BTreeDataflowHelperFactory();
         TreeIndexDiskOrderScanOperatorDescriptor btreeScanOp = new TreeIndexDiskOrderScanOperatorDescriptor(spec,
-                recDesc, storageManager, indexRegistryProvider, primarySplitProvider, primaryTypeTraits,
-                dataflowHelperFactory, NoOpOperationCallbackProvider.INSTANCE);
+                recDesc, storageManager, lcManagerProvider, primarySplitProvider, primaryTypeTraits,
+                dataflowHelperFactory, NoOpOperationCallbackFactory.INSTANCE);
         JobHelper.createPartitionConstraint(spec, btreeScanOp, splitNCs);
 
         // sort the tuples as preparation for bulk load into secondary index
@@ -144,8 +140,8 @@
         int[] fieldPermutation = { 1, 0 };
         IFileSplitProvider btreeSplitProvider = JobHelper.createFileSplitProvider(splitNCs, options.secondaryBTreeName);
         TreeIndexBulkLoadOperatorDescriptor btreeBulkLoad = new TreeIndexBulkLoadOperatorDescriptor(spec,
-                storageManager, indexRegistryProvider, btreeSplitProvider, secondaryTypeTraits, comparatorFactories,
-                fieldPermutation, 0.7f, dataflowHelperFactory, NoOpOperationCallbackProvider.INSTANCE);
+                storageManager, lcManagerProvider, btreeSplitProvider, secondaryTypeTraits, comparatorFactories, null,
+                fieldPermutation, 0.7f, false, 1000L, dataflowHelperFactory, NoOpOperationCallbackFactory.INSTANCE);
         JobHelper.createPartitionConstraint(spec, btreeBulkLoad, splitNCs);
 
         // connect the ops
diff --git a/fullstack/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/edu/uci/ics/hyracks/examples/btree/client/SecondaryIndexSearchExample.java b/fullstack/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/edu/uci/ics/hyracks/examples/btree/client/SecondaryIndexSearchExample.java
index 277668b..a6ffc13 100644
--- a/fullstack/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/edu/uci/ics/hyracks/examples/btree/client/SecondaryIndexSearchExample.java
+++ b/fullstack/hyracks/hyracks-examples/btree-example/btreeclient/src/main/java/edu/uci/ics/hyracks/examples/btree/client/SecondaryIndexSearchExample.java
@@ -38,14 +38,13 @@
 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.examples.btree.helper.IndexRegistryProvider;
+import edu.uci.ics.hyracks.examples.btree.helper.IndexLifecycleManagerProvider;
 import edu.uci.ics.hyracks.examples.btree.helper.StorageManagerInterface;
 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.api.IIndexLifecycleManagerProvider;
 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.impls.NoOpOperationCallbackProvider;
+import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
 import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
 
 // This example will perform range search on the secondary index
@@ -59,9 +58,6 @@
         @Option(name = "-port", usage = "Hyracks Cluster Controller Port (default: 1098)")
         public int port = 1098;
 
-        @Option(name = "-app", usage = "Hyracks Application name", required = true)
-        public String app;
-
         @Option(name = "-target-ncs", usage = "Comma separated list of node-controller names to use", required = true)
         public String ncs;
 
@@ -82,7 +78,7 @@
         JobSpecification job = createJob(options);
 
         long start = System.currentTimeMillis();
-        JobId jobId = hcc.startJob(options.app, job);
+        JobId jobId = hcc.startJob(job);
         hcc.waitForCompletion(jobId);
         long end = System.currentTimeMillis();
         System.err.println(start + " " + end + " " + (end - start));
@@ -94,7 +90,7 @@
 
         String[] splitNCs = options.ncs.split(",");
 
-        IIndexRegistryProvider<IIndex> indexRegistryProvider = IndexRegistryProvider.INSTANCE;
+        IIndexLifecycleManagerProvider lcManagerProvider = IndexLifecycleManagerProvider.INSTANCE;
         IStorageManagerInterface storageManager = StorageManagerInterface.INSTANCE;
 
         // schema of tuples coming out of secondary index
@@ -168,9 +164,9 @@
                 options.secondaryBTreeName);
         IIndexDataflowHelperFactory dataflowHelperFactory = new BTreeDataflowHelperFactory();
         BTreeSearchOperatorDescriptor secondarySearchOp = new BTreeSearchOperatorDescriptor(spec, secondaryRecDesc,
-                storageManager, indexRegistryProvider, secondarySplitProvider, secondaryTypeTraits,
-                searchComparatorFactories, secondaryLowKeyFields, secondaryHighKeyFields, true, true,
-                dataflowHelperFactory, false, NoOpOperationCallbackProvider.INSTANCE);
+                storageManager, lcManagerProvider, secondarySplitProvider, secondaryTypeTraits,
+                searchComparatorFactories, null, secondaryLowKeyFields, secondaryHighKeyFields, true, true,
+                dataflowHelperFactory, false, NoOpOperationCallbackFactory.INSTANCE);
         JobHelper.createPartitionConstraint(spec, secondarySearchOp, splitNCs);
 
         // secondary index will output tuples with [UTF8String, Integer]
@@ -184,9 +180,9 @@
 
         IFileSplitProvider primarySplitProvider = JobHelper.createFileSplitProvider(splitNCs, options.primaryBTreeName);
         BTreeSearchOperatorDescriptor primarySearchOp = new BTreeSearchOperatorDescriptor(spec, primaryRecDesc,
-                storageManager, indexRegistryProvider, primarySplitProvider, primaryTypeTraits,
-                primaryComparatorFactories, primaryLowKeyFields, primaryHighKeyFields, true, true,
-                dataflowHelperFactory, false, NoOpOperationCallbackProvider.INSTANCE);
+                storageManager, lcManagerProvider, primarySplitProvider, primaryTypeTraits, primaryComparatorFactories,
+                null, primaryLowKeyFields, primaryHighKeyFields, true, true, dataflowHelperFactory, false,
+                NoOpOperationCallbackFactory.INSTANCE);
         JobHelper.createPartitionConstraint(spec, primarySearchOp, splitNCs);
 
         // have each node print the results of its respective B-Tree
diff --git a/fullstack/hyracks/hyracks-examples/btree-example/btreehelper/src/main/java/edu/uci/ics/hyracks/examples/btree/helper/IndexLifecycleManagerProvider.java b/fullstack/hyracks/hyracks-examples/btree-example/btreehelper/src/main/java/edu/uci/ics/hyracks/examples/btree/helper/IndexLifecycleManagerProvider.java
new file mode 100644
index 0000000..6a17755
--- /dev/null
+++ b/fullstack/hyracks/hyracks-examples/btree-example/btreehelper/src/main/java/edu/uci/ics/hyracks/examples/btree/helper/IndexLifecycleManagerProvider.java
@@ -0,0 +1,15 @@
+package edu.uci.ics.hyracks.examples.btree.helper;
+
+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;
+
+public enum IndexLifecycleManagerProvider implements IIndexLifecycleManagerProvider {
+    INSTANCE;
+
+    @Override
+    public IIndexLifecycleManager getLifecycleManager(IHyracksTaskContext ctx) {
+        return RuntimeContext.get(ctx).getIndexLifecycleManager();
+    }
+
+}
diff --git a/fullstack/hyracks/hyracks-examples/btree-example/btreehelper/src/main/java/edu/uci/ics/hyracks/examples/btree/helper/IndexRegistryProvider.java b/fullstack/hyracks/hyracks-examples/btree-example/btreehelper/src/main/java/edu/uci/ics/hyracks/examples/btree/helper/IndexRegistryProvider.java
deleted file mode 100644
index d1f40d8..0000000
--- a/fullstack/hyracks/hyracks-examples/btree-example/btreehelper/src/main/java/edu/uci/ics/hyracks/examples/btree/helper/IndexRegistryProvider.java
+++ /dev/null
@@ -1,35 +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.hyracks.examples.btree.helper;
-
-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 IndexRegistryProvider implements IIndexRegistryProvider<IIndex> {
-    private static final long serialVersionUID = 1L;
-
-    public static final IndexRegistryProvider INSTANCE = new IndexRegistryProvider();
-
-    private IndexRegistryProvider() {
-    }
-
-    @Override
-    public IndexRegistry<IIndex> getRegistry(IHyracksTaskContext ctx) {
-        return RuntimeContext.get(ctx).getIndexRegistry();
-    }
-}
\ No newline at end of file
diff --git a/fullstack/hyracks/hyracks-examples/btree-example/btreehelper/src/main/java/edu/uci/ics/hyracks/examples/btree/helper/NCApplicationEntryPoint.java b/fullstack/hyracks/hyracks-examples/btree-example/btreehelper/src/main/java/edu/uci/ics/hyracks/examples/btree/helper/NCApplicationEntryPoint.java
new file mode 100644
index 0000000..a1dacd8
--- /dev/null
+++ b/fullstack/hyracks/hyracks-examples/btree-example/btreehelper/src/main/java/edu/uci/ics/hyracks/examples/btree/helper/NCApplicationEntryPoint.java
@@ -0,0 +1,22 @@
+package edu.uci.ics.hyracks.examples.btree.helper;
+
+import edu.uci.ics.hyracks.api.application.INCApplicationContext;
+import edu.uci.ics.hyracks.api.application.INCApplicationEntryPoint;
+
+public class NCApplicationEntryPoint implements INCApplicationEntryPoint {
+    @Override
+    public void start(INCApplicationContext ncAppCtx, String[] args) throws Exception {
+        RuntimeContext rCtx = new RuntimeContext(ncAppCtx);
+        ncAppCtx.setApplicationObject(rCtx);
+    }
+
+    @Override
+    public void notifyStartupComplete() throws Exception {
+
+    }
+
+    @Override
+    public void stop() throws Exception {
+
+    }
+}
\ No newline at end of file
diff --git a/fullstack/hyracks/hyracks-examples/btree-example/btreehelper/src/main/java/edu/uci/ics/hyracks/examples/btree/helper/NCBootstrap.java b/fullstack/hyracks/hyracks-examples/btree-example/btreehelper/src/main/java/edu/uci/ics/hyracks/examples/btree/helper/NCBootstrap.java
deleted file mode 100644
index ea55e7a..0000000
--- a/fullstack/hyracks/hyracks-examples/btree-example/btreehelper/src/main/java/edu/uci/ics/hyracks/examples/btree/helper/NCBootstrap.java
+++ /dev/null
@@ -1,47 +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.hyracks.examples.btree.helper;
-
-import java.util.logging.Logger;
-
-import edu.uci.ics.hyracks.api.application.INCApplicationContext;
-import edu.uci.ics.hyracks.api.application.INCBootstrap;
-
-public class NCBootstrap implements INCBootstrap {
-    private static final Logger LOGGER = Logger.getLogger(NCBootstrap.class.getName());
-
-    private INCApplicationContext appCtx;
-
-    @Override
-    public void start() throws Exception {
-        LOGGER.info("Starting NC Bootstrap");
-        RuntimeContext rCtx = new RuntimeContext(appCtx);
-        appCtx.setApplicationObject(rCtx);
-        LOGGER.info("Initialized RuntimeContext: " + rCtx);
-    }
-
-    @Override
-    public void stop() throws Exception {
-        LOGGER.info("Stopping Asterix NC Bootstrap");
-        RuntimeContext rCtx = (RuntimeContext) appCtx.getApplicationObject();
-        rCtx.close();
-    }
-
-    @Override
-    public void setApplicationContext(INCApplicationContext appCtx) {
-        this.appCtx = appCtx;
-    }
-}
\ No newline at end of file
diff --git a/fullstack/hyracks/hyracks-examples/btree-example/btreehelper/src/main/java/edu/uci/ics/hyracks/examples/btree/helper/RuntimeContext.java b/fullstack/hyracks/hyracks-examples/btree-example/btreehelper/src/main/java/edu/uci/ics/hyracks/examples/btree/helper/RuntimeContext.java
index 56d517f..aa5ce1d 100644
--- a/fullstack/hyracks/hyracks-examples/btree-example/btreehelper/src/main/java/edu/uci/ics/hyracks/examples/btree/helper/RuntimeContext.java
+++ b/fullstack/hyracks/hyracks-examples/btree-example/btreehelper/src/main/java/edu/uci/ics/hyracks/examples/btree/helper/RuntimeContext.java
@@ -17,8 +17,9 @@
 
 import edu.uci.ics.hyracks.api.application.INCApplicationContext;
 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.IndexRegistry;
+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.dataflow.IndexLifecycleManager;
 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;
@@ -28,20 +29,30 @@
 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.smi.TransientFileMapManager;
+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.ResourceIdFactory;
+import edu.uci.ics.hyracks.storage.common.file.ResourceIdFactoryProvider;
+import edu.uci.ics.hyracks.storage.common.file.TransientFileMapManager;
+import edu.uci.ics.hyracks.storage.common.file.TransientLocalResourceRepositoryFactory;
 
 public class RuntimeContext {
-    private IndexRegistry<IIndex> indexRegistry;
     private IBufferCache bufferCache;
     private IFileMapManager fileMapManager;
+    private ILocalResourceRepository localResourceRepository;
+    private IIndexLifecycleManager lcManager;
+    private ResourceIdFactory resourceIdFactory;
 
-    public RuntimeContext(INCApplicationContext appCtx) {
+    public RuntimeContext(INCApplicationContext appCtx) throws HyracksDataException {
         fileMapManager = new TransientFileMapManager();
         ICacheMemoryAllocator allocator = new HeapBufferAllocator();
         IPageReplacementStrategy prs = new ClockPageReplacementStrategy();
         bufferCache = new BufferCache(appCtx.getRootContext().getIOManager(), allocator, prs,
                 new DelayPageCleanerPolicy(1000), fileMapManager, 32768, 50, 100);
-        indexRegistry = new IndexRegistry<IIndex>();
+        lcManager = new IndexLifecycleManager();
+        ILocalResourceRepositoryFactory localResourceRepositoryFactory = new TransientLocalResourceRepositoryFactory();
+        localResourceRepository = localResourceRepositoryFactory.createRepository();
+        resourceIdFactory = (new ResourceIdFactoryProvider(localResourceRepository)).createResourceIdFactory();
     }
 
     public void close() {
@@ -56,11 +67,19 @@
         return fileMapManager;
     }
 
-    public IndexRegistry<IIndex> getIndexRegistry() {
-        return indexRegistry;
-    }
-
     public static RuntimeContext get(IHyracksTaskContext ctx) {
         return (RuntimeContext) ctx.getJobletContext().getApplicationContext().getApplicationObject();
     }
+
+    public ILocalResourceRepository getLocalResourceRepository() {
+        return localResourceRepository;
+    }
+
+    public ResourceIdFactory getResourceIdFactory() {
+        return resourceIdFactory;
+    }
+
+    public IIndexLifecycleManager getIndexLifecycleManager() {
+        return lcManager;
+    }
 }
\ No newline at end of file
diff --git a/fullstack/hyracks/hyracks-examples/btree-example/btreehelper/src/main/java/edu/uci/ics/hyracks/examples/btree/helper/StorageManagerInterface.java b/fullstack/hyracks/hyracks-examples/btree-example/btreehelper/src/main/java/edu/uci/ics/hyracks/examples/btree/helper/StorageManagerInterface.java
index 4c6363b..e19847e 100644
--- a/fullstack/hyracks/hyracks-examples/btree-example/btreehelper/src/main/java/edu/uci/ics/hyracks/examples/btree/helper/StorageManagerInterface.java
+++ b/fullstack/hyracks/hyracks-examples/btree-example/btreehelper/src/main/java/edu/uci/ics/hyracks/examples/btree/helper/StorageManagerInterface.java
@@ -19,6 +19,8 @@
 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 StorageManagerInterface implements IStorageManagerInterface {
     private static final long serialVersionUID = 1L;
@@ -37,4 +39,14 @@
     public IFileMapProvider getFileMapProvider(IHyracksTaskContext ctx) {
         return RuntimeContext.get(ctx).getFileMapManager();
     }
+
+    @Override
+    public ILocalResourceRepository getLocalResourceRepository(IHyracksTaskContext ctx) {
+        return RuntimeContext.get(ctx).getLocalResourceRepository();
+    }
+
+    @Override
+    public ResourceIdFactory getResourceIdFactory(IHyracksTaskContext ctx) {
+        return RuntimeContext.get(ctx).getResourceIdFactory();
+    }
 }
\ No newline at end of file
diff --git a/fullstack/hyracks/hyracks-examples/btree-example/btreehelper/src/main/resources/hyracks-deployment.properties b/fullstack/hyracks/hyracks-examples/btree-example/btreehelper/src/main/resources/hyracks-deployment.properties
deleted file mode 100644
index ab0ecb3..0000000
--- a/fullstack/hyracks/hyracks-examples/btree-example/btreehelper/src/main/resources/hyracks-deployment.properties
+++ /dev/null
@@ -1 +0,0 @@
-nc.bootstrap.class=edu.uci.ics.hyracks.examples.btree.helper.NCBootstrap
\ No newline at end of file
diff --git a/fullstack/hyracks/hyracks-examples/btree-example/btreeserver/pom.xml b/fullstack/hyracks/hyracks-examples/btree-example/btreeserver/pom.xml
new file mode 100644
index 0000000..93b5f4f
--- /dev/null
+++ b/fullstack/hyracks/hyracks-examples/btree-example/btreeserver/pom.xml
@@ -0,0 +1,84 @@
+<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/maven-v4_0_0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>edu.uci.ics.hyracks.examples.btree</groupId>
+  <artifactId>btreeserver</artifactId>
+  <version>0.2.4-SNAPSHOT</version>
+  <name>btreeserver</name>
+
+  <parent>
+    <groupId>edu.uci.ics.hyracks.examples</groupId>
+    <artifactId>btree-example</artifactId>
+    <version>0.2.4-SNAPSHOT</version>
+  </parent>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.codehaus.mojo</groupId>
+        <artifactId>appassembler-maven-plugin</artifactId>
+        <version>1.3</version>
+        <executions>
+          <execution>
+            <configuration>
+              <programs>
+                <program>
+                  <mainClass>edu.uci.ics.hyracks.control.cc.CCDriver</mainClass>
+                  <name>hyrackscc</name>
+                </program>
+                <program>
+                  <mainClass>edu.uci.ics.hyracks.control.nc.NCDriver</mainClass>
+                  <name>hyracksnc</name>
+                </program>
+              </programs>
+              <repositoryLayout>flat</repositoryLayout>
+              <repositoryName>lib</repositoryName>
+            </configuration>
+            <phase>package</phase>
+            <goals>
+              <goal>assemble</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
+      <plugin>
+        <artifactId>maven-assembly-plugin</artifactId>
+        <version>2.2-beta-5</version>
+        <executions>
+          <execution>
+            <configuration>
+              <descriptors>
+                <descriptor>src/main/assembly/binary-assembly.xml</descriptor>
+              </descriptors>
+            </configuration>
+            <phase>package</phase>
+            <goals>
+              <goal>attached</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
+  <dependencies>
+  	<dependency>
+  		<groupId>edu.uci.ics.hyracks.examples.btree</groupId>
+  		<artifactId>btreehelper</artifactId>
+  		<version>0.2.4-SNAPSHOT</version>
+  		<scope>compile</scope>
+  	</dependency>
+  	<dependency>
+  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<artifactId>hyracks-control-cc</artifactId>
+  		<version>0.2.4-SNAPSHOT</version>
+  		<type>jar</type>
+  		<scope>compile</scope>
+  	</dependency>
+  	<dependency>
+  		<groupId>edu.uci.ics.hyracks</groupId>
+  		<artifactId>hyracks-control-nc</artifactId>
+  		<version>0.2.4-SNAPSHOT</version>
+  		<type>jar</type>
+  		<scope>compile</scope>
+  	</dependency>
+  </dependencies>
+</project>
diff --git a/fullstack/hyracks/hyracks-examples/btree-example/btreeserver/src/main/assembly/binary-assembly.xml b/fullstack/hyracks/hyracks-examples/btree-example/btreeserver/src/main/assembly/binary-assembly.xml
new file mode 100644
index 0000000..cd598d9
--- /dev/null
+++ b/fullstack/hyracks/hyracks-examples/btree-example/btreeserver/src/main/assembly/binary-assembly.xml
@@ -0,0 +1,23 @@
+<assembly>
+  <id>binary-assembly</id>
+  <formats>
+    <format>zip</format>
+    <format>dir</format>
+  </formats>
+  <includeBaseDirectory>false</includeBaseDirectory>
+  <fileSets>
+    <fileSet>
+      <directory>target/appassembler/bin</directory>
+      <outputDirectory>bin</outputDirectory>
+      <fileMode>0755</fileMode>
+    </fileSet>
+    <fileSet>
+      <directory>target/appassembler/lib</directory>
+      <outputDirectory>lib</outputDirectory>
+    </fileSet>
+    <fileSet>
+      <directory>docs</directory>
+      <outputDirectory>docs</outputDirectory>
+    </fileSet>
+  </fileSets>
+</assembly>
diff --git a/fullstack/hyracks/hyracks-examples/btree-example/pom.xml b/fullstack/hyracks/hyracks-examples/btree-example/pom.xml
index b6fbb95..622dc81 100644
--- a/fullstack/hyracks/hyracks-examples/btree-example/pom.xml
+++ b/fullstack/hyracks/hyracks-examples/btree-example/pom.xml
@@ -2,7 +2,6 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>edu.uci.ics.hyracks.examples</groupId>
   <artifactId>btree-example</artifactId>
-  <version>0.2.4-SNAPSHOT</version>
   <packaging>pom</packaging>
   <name>btree-example</name>
 
@@ -15,6 +14,6 @@
   <modules>
     <module>btreehelper</module>
     <module>btreeclient</module>
-    <module>btreeapp</module>
+    <module>btreeserver</module>
   </modules>
 </project>