diff --git a/hyracks-examples/hyracks-integration-tests/src/test/java/edu/uci/ics/hyracks/tests/btree/BTreeOperatorsTest.java b/hyracks-examples/hyracks-integration-tests/src/test/java/edu/uci/ics/hyracks/tests/btree/BTreeOperatorsTest.java
index 0869b10..46adf24 100644
--- a/hyracks-examples/hyracks-integration-tests/src/test/java/edu/uci/ics/hyracks/tests/btree/BTreeOperatorsTest.java
+++ b/hyracks-examples/hyracks-integration-tests/src/test/java/edu/uci/ics/hyracks/tests/btree/BTreeOperatorsTest.java
@@ -127,7 +127,7 @@
 				
 		int[] fieldPermutation = { 0, 4, 5 };
         
-		BTreeBulkLoadOperatorDescriptor btreeBulkLoad = new BTreeBulkLoadOperatorDescriptor(spec, ordersSplitProvider, ordersDesc, bufferCacheProvider, btreeRegistryProvider, "btreetest.bin", fileMappingProviderProvider, interiorFrameFactory, leafFrameFactory, fieldCount, comparatorFactories, fieldPermutation, 0.7f);		
+		BTreeBulkLoadOperatorDescriptor btreeBulkLoad = new BTreeBulkLoadOperatorDescriptor(spec, bufferCacheProvider, btreeRegistryProvider, "btreetest.bin", fileMappingProviderProvider, interiorFrameFactory, leafFrameFactory, fieldCount, comparatorFactories, fieldPermutation, 0.7f);		
 		PartitionConstraint btreePartitionConstraintA = new ExplicitPartitionConstraint(new LocationConstraint[] { new AbsoluteLocationConstraint(NC1_ID) });
 		btreeBulkLoad.setPartitionConstraint(btreePartitionConstraintA);
 				
@@ -235,7 +235,7 @@
         //String fileName = ncDataPath + "btreetest.bin";		
 		//int blubb = fileMappingProviderProvider.getFileMappingProvider().mapNameToFileId(fileName, true);
 		
-		BTreeSearchOperatorDescriptor btreeSearchOp = new BTreeSearchOperatorDescriptor(spec, splitProvider, recDesc, bufferCacheProvider, btreeRegistryProvider, "btreetest.bin", fileMappingProviderProvider, interiorFrameFactory, leafFrameFactory, fieldCount, comparatorFactories, true, searchKeys, comparatorFactories.length);
+		BTreeSearchOperatorDescriptor btreeSearchOp = new BTreeSearchOperatorDescriptor(spec, recDesc, bufferCacheProvider, btreeRegistryProvider, "btreetest.bin", fileMappingProviderProvider, interiorFrameFactory, leafFrameFactory, fieldCount, comparatorFactories, true, searchKeys, comparatorFactories.length);
 		//BTreeDiskOrderScanOperatorDescriptor btreeSearchOp = new BTreeDiskOrderScanOperatorDescriptor(spec, splitProvider, recDesc, bufferCacheProvider, btreeRegistryProvider, 0, "btreetest.bin", interiorFrameFactory, leafFrameFactory, cmp);
 		
 		PartitionConstraint btreePartitionConstraint = new ExplicitPartitionConstraint(new LocationConstraint[] { new AbsoluteLocationConstraint(NC1_ID) });
@@ -363,19 +363,19 @@
         
         // primary index
         int[] fieldPermutationA = { 0,1,2,3,4,5 };                       
-        BTreeInsertUpdateDeleteOperatorDescriptor insertOpA = new BTreeInsertUpdateDeleteOperatorDescriptor(spec, ordersSplitProvider, ordersDesc, bufferCacheProvider, btreeRegistryProvider, "btreetestA.ix", fileMappingProviderProvider, interiorFrameFactory, leafFrameFactory, primaryFieldCount, primaryComparatorFactories, fieldPermutationA, BTreeOp.BTO_INSERT);
+        BTreeInsertUpdateDeleteOperatorDescriptor insertOpA = new BTreeInsertUpdateDeleteOperatorDescriptor(spec, ordersDesc, bufferCacheProvider, btreeRegistryProvider, "btreetestA.ix", fileMappingProviderProvider, interiorFrameFactory, leafFrameFactory, primaryFieldCount, primaryComparatorFactories, fieldPermutationA, BTreeOp.BTO_INSERT);
         PartitionConstraint insertPartitionConstraintA = new ExplicitPartitionConstraint(new LocationConstraint[] { new AbsoluteLocationConstraint(NC1_ID) });
         insertOpA.setPartitionConstraint(insertPartitionConstraintA);
         
         // first secondary index
         int[] fieldPermutationB = { 3, 0 };                    
-        BTreeInsertUpdateDeleteOperatorDescriptor insertOpB = new BTreeInsertUpdateDeleteOperatorDescriptor(spec, ordersSplitProvider, ordersDesc, bufferCacheProvider, btreeRegistryProvider, "btreetestB.ix", fileMappingProviderProvider, interiorFrameFactory, leafFrameFactory, secondaryFieldCount, secondaryComparatorFactories, fieldPermutationB, BTreeOp.BTO_INSERT);
+        BTreeInsertUpdateDeleteOperatorDescriptor insertOpB = new BTreeInsertUpdateDeleteOperatorDescriptor(spec, ordersDesc, bufferCacheProvider, btreeRegistryProvider, "btreetestB.ix", fileMappingProviderProvider, interiorFrameFactory, leafFrameFactory, secondaryFieldCount, secondaryComparatorFactories, fieldPermutationB, BTreeOp.BTO_INSERT);
         PartitionConstraint insertPartitionConstraintB = new ExplicitPartitionConstraint(new LocationConstraint[] { new AbsoluteLocationConstraint(NC1_ID) });
         insertOpB.setPartitionConstraint(insertPartitionConstraintB);
 		
         // second secondary index
         int[] fieldPermutationC = { 4, 0 };                       
-        BTreeInsertUpdateDeleteOperatorDescriptor insertOpC = new BTreeInsertUpdateDeleteOperatorDescriptor(spec, ordersSplitProvider, ordersDesc, bufferCacheProvider, btreeRegistryProvider, "btreetestC.ix", fileMappingProviderProvider, interiorFrameFactory, leafFrameFactory, secondaryFieldCount, secondaryComparatorFactories, fieldPermutationC, BTreeOp.BTO_INSERT);
+        BTreeInsertUpdateDeleteOperatorDescriptor insertOpC = new BTreeInsertUpdateDeleteOperatorDescriptor(spec, ordersDesc, bufferCacheProvider, btreeRegistryProvider, "btreetestC.ix", fileMappingProviderProvider, interiorFrameFactory, leafFrameFactory, secondaryFieldCount, secondaryComparatorFactories, fieldPermutationC, BTreeOp.BTO_INSERT);
         PartitionConstraint insertPartitionConstraintC = new ExplicitPartitionConstraint(new LocationConstraint[] { new AbsoluteLocationConstraint(NC1_ID) });
         insertOpC.setPartitionConstraint(insertPartitionConstraintC);
                 
diff --git a/hyracks-storage-am-btree/src/main/java/edu/uci/ics/hyracks/storage/am/btree/dataflow/AbstractBTreeOperatorDescriptor.java b/hyracks-storage-am-btree/src/main/java/edu/uci/ics/hyracks/storage/am/btree/dataflow/AbstractBTreeOperatorDescriptor.java
index ccc229c..fa3a748 100644
--- a/hyracks-storage-am-btree/src/main/java/edu/uci/ics/hyracks/storage/am/btree/dataflow/AbstractBTreeOperatorDescriptor.java
+++ b/hyracks-storage-am-btree/src/main/java/edu/uci/ics/hyracks/storage/am/btree/dataflow/AbstractBTreeOperatorDescriptor.java
@@ -40,7 +40,7 @@
 	protected IBufferCacheProvider bufferCacheProvider;
 	protected IBTreeRegistryProvider btreeRegistryProvider;
 		
-	public AbstractBTreeOperatorDescriptor(JobSpecification spec, int inputArity, int outputArity, IFileSplitProvider fileSplitProvider, RecordDescriptor recDesc, IBufferCacheProvider bufferCacheProvider, IBTreeRegistryProvider btreeRegistryProvider,  String btreeFileName, IFileMappingProviderProvider fileMappingProviderProvider, IBTreeInteriorFrameFactory interiorFactory, IBTreeLeafFrameFactory leafFactory, int fieldCount, IBinaryComparatorFactory[] comparatorFactories) {
+	public AbstractBTreeOperatorDescriptor(JobSpecification spec, int inputArity, int outputArity, RecordDescriptor recDesc, IBufferCacheProvider bufferCacheProvider, IBTreeRegistryProvider btreeRegistryProvider,  String btreeFileName, IFileMappingProviderProvider fileMappingProviderProvider, IBTreeInteriorFrameFactory interiorFactory, IBTreeLeafFrameFactory leafFactory, int fieldCount, IBinaryComparatorFactory[] comparatorFactories) {
         super(spec, inputArity, outputArity);
         this.btreeFileName = btreeFileName;
         this.fileMappingProviderProvider = fileMappingProviderProvider;
diff --git a/hyracks-storage-am-btree/src/main/java/edu/uci/ics/hyracks/storage/am/btree/dataflow/BTreeBulkLoadOperatorDescriptor.java b/hyracks-storage-am-btree/src/main/java/edu/uci/ics/hyracks/storage/am/btree/dataflow/BTreeBulkLoadOperatorDescriptor.java
index c101a48..2faca9d 100644
--- a/hyracks-storage-am-btree/src/main/java/edu/uci/ics/hyracks/storage/am/btree/dataflow/BTreeBulkLoadOperatorDescriptor.java
+++ b/hyracks-storage-am-btree/src/main/java/edu/uci/ics/hyracks/storage/am/btree/dataflow/BTreeBulkLoadOperatorDescriptor.java
@@ -19,10 +19,8 @@
 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.RecordDescriptor;
 import edu.uci.ics.hyracks.api.job.IOperatorEnvironment;
 import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
 import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeInteriorFrameFactory;
 import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeLeafFrameFactory;
 
@@ -33,15 +31,14 @@
 	private int[] fieldPermutation;	
     private float fillFactor;
     
-	public BTreeBulkLoadOperatorDescriptor(JobSpecification spec,
-			IFileSplitProvider fileSplitProvider, RecordDescriptor recDesc,
+	public BTreeBulkLoadOperatorDescriptor(JobSpecification spec,			
 			IBufferCacheProvider bufferCacheProvider,
 			IBTreeRegistryProvider btreeRegistryProvider,
 			String btreeFileName, IFileMappingProviderProvider fileMappingProviderProvider, IBTreeInteriorFrameFactory interiorFactory,
 			IBTreeLeafFrameFactory leafFactory, int fieldCount, 
 			IBinaryComparatorFactory[] comparatorFactories,			
 			int[] fieldPermutation, float fillFactor) {
-		super(spec, 1, 0, fileSplitProvider, recDesc, bufferCacheProvider,
+		super(spec, 1, 0, null, bufferCacheProvider,
 				btreeRegistryProvider, btreeFileName, fileMappingProviderProvider, interiorFactory,
 				leafFactory, fieldCount, comparatorFactories);
 		this.fieldPermutation = fieldPermutation;
diff --git a/hyracks-storage-am-btree/src/main/java/edu/uci/ics/hyracks/storage/am/btree/dataflow/BTreeBulkLoadOperatorNodePushable.java b/hyracks-storage-am-btree/src/main/java/edu/uci/ics/hyracks/storage/am/btree/dataflow/BTreeBulkLoadOperatorNodePushable.java
index 1ca2be9..f348b0b 100644
--- a/hyracks-storage-am-btree/src/main/java/edu/uci/ics/hyracks/storage/am/btree/dataflow/BTreeBulkLoadOperatorNodePushable.java
+++ b/hyracks-storage-am-btree/src/main/java/edu/uci/ics/hyracks/storage/am/btree/dataflow/BTreeBulkLoadOperatorNodePushable.java
@@ -35,7 +35,7 @@
     private IRecordDescriptorProvider recordDescProvider;
 
     private PermutingFrameTupleReference tuple = new PermutingFrameTupleReference();
-
+    
     public BTreeBulkLoadOperatorNodePushable(AbstractBTreeOperatorDescriptor opDesc, IHyracksContext ctx,
             int[] fieldPermutation, float fillFactor, IRecordDescriptorProvider recordDescProvider) {
         btreeOpHelper = new BTreeOpHelper(opDesc, ctx, true);
@@ -67,7 +67,7 @@
             }
         }
     }
-
+    
     @Override
     public void open() throws HyracksDataException {
         AbstractBTreeOperatorDescriptor opDesc = btreeOpHelper.getOperatorDescriptor();
diff --git a/hyracks-storage-am-btree/src/main/java/edu/uci/ics/hyracks/storage/am/btree/dataflow/BTreeDiskOrderScanOperatorDescriptor.java b/hyracks-storage-am-btree/src/main/java/edu/uci/ics/hyracks/storage/am/btree/dataflow/BTreeDiskOrderScanOperatorDescriptor.java
index fa6dba3..2ee8457 100644
--- a/hyracks-storage-am-btree/src/main/java/edu/uci/ics/hyracks/storage/am/btree/dataflow/BTreeDiskOrderScanOperatorDescriptor.java
+++ b/hyracks-storage-am-btree/src/main/java/edu/uci/ics/hyracks/storage/am/btree/dataflow/BTreeDiskOrderScanOperatorDescriptor.java
@@ -17,30 +17,27 @@
 
 import edu.uci.ics.hyracks.api.context.IHyracksContext;
 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.RecordDescriptor;
 import edu.uci.ics.hyracks.api.job.IOperatorEnvironment;
 import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
 import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeInteriorFrameFactory;
 import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeLeafFrameFactory;
-import edu.uci.ics.hyracks.storage.common.file.IFileMappingProvider;
 
 public class BTreeDiskOrderScanOperatorDescriptor extends AbstractBTreeOperatorDescriptor {
 	
 	private static final long serialVersionUID = 1L;
 	
 	public BTreeDiskOrderScanOperatorDescriptor(JobSpecification spec,
-			IFileSplitProvider fileSplitProvider, RecordDescriptor recDesc,
+			RecordDescriptor recDesc,
 			IBufferCacheProvider bufferCacheProvider,
 			IBTreeRegistryProvider btreeRegistryProvider,
 			String btreeFileName, IFileMappingProviderProvider fileMappingProviderProvider, IBTreeInteriorFrameFactory interiorFactory,
 			IBTreeLeafFrameFactory leafFactory, 
-			int fieldCount, IBinaryComparatorFactory[] comparatorFactories) {
-		super(spec, 0, 1, fileSplitProvider, recDesc, bufferCacheProvider,
+			int fieldCount) {
+		super(spec, 0, 1, recDesc, bufferCacheProvider,
 				btreeRegistryProvider, btreeFileName, fileMappingProviderProvider, interiorFactory,
-				leafFactory, fieldCount, comparatorFactories);
+				leafFactory, fieldCount, null);
 	}
 	
 	@Override
diff --git a/hyracks-storage-am-btree/src/main/java/edu/uci/ics/hyracks/storage/am/btree/dataflow/BTreeDiskOrderScanOperatorNodePushable.java b/hyracks-storage-am-btree/src/main/java/edu/uci/ics/hyracks/storage/am/btree/dataflow/BTreeDiskOrderScanOperatorNodePushable.java
index 13b27b6..3ba111e 100644
--- a/hyracks-storage-am-btree/src/main/java/edu/uci/ics/hyracks/storage/am/btree/dataflow/BTreeDiskOrderScanOperatorNodePushable.java
+++ b/hyracks-storage-am-btree/src/main/java/edu/uci/ics/hyracks/storage/am/btree/dataflow/BTreeDiskOrderScanOperatorNodePushable.java
@@ -40,14 +40,14 @@
 
     @Override
     public void initialize() throws HyracksDataException {
-
+    	
         IBTreeLeafFrame cursorFrame = btreeOpHelper.getOperatorDescriptor().getLeafFactory().getFrame();
         DiskOrderScanCursor cursor = new DiskOrderScanCursor(cursorFrame);
         IBTreeMetaDataFrame metaFrame = new MetaDataFrame();
-
+        
         try {
             btreeOpHelper.init();
-            btreeOpHelper.fill();
+            //btreeOpHelper.fill();
             btreeOpHelper.getBTree().diskOrderScan(cursor, cursorFrame, metaFrame);
         } catch (FileNotFoundException e1) {
             e1.printStackTrace();
@@ -61,7 +61,7 @@
         appender.reset(frame, true);
         ArrayTupleBuilder tb = new ArrayTupleBuilder(cmp.getFieldCount());
         DataOutput dos = tb.getDataOutput();
-
+        
         try {
             while (cursor.hasNext()) {
                 tb.reset();
@@ -80,15 +80,13 @@
                         throw new IllegalStateException();
                     }
                 }
-
-                //int recOffset = cursor.getOffset();                
-                //String rec = cmp.printRecord(array, recOffset);
-                //System.out.println(rec);
             }
 
             if (appender.getTupleCount() > 0) {
                 FrameUtils.flushFrame(frame, writer);
             }
+            
+            cursor.close();
             writer.close();
 
         } catch (Exception e) {
diff --git a/hyracks-storage-am-btree/src/main/java/edu/uci/ics/hyracks/storage/am/btree/dataflow/BTreeInsertUpdateDeleteOperatorDescriptor.java b/hyracks-storage-am-btree/src/main/java/edu/uci/ics/hyracks/storage/am/btree/dataflow/BTreeInsertUpdateDeleteOperatorDescriptor.java
index a33fbc7..b516e8a 100644
--- a/hyracks-storage-am-btree/src/main/java/edu/uci/ics/hyracks/storage/am/btree/dataflow/BTreeInsertUpdateDeleteOperatorDescriptor.java
+++ b/hyracks-storage-am-btree/src/main/java/edu/uci/ics/hyracks/storage/am/btree/dataflow/BTreeInsertUpdateDeleteOperatorDescriptor.java
@@ -22,11 +22,9 @@
 import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
 import edu.uci.ics.hyracks.api.job.IOperatorEnvironment;
 import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
 import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeInteriorFrameFactory;
 import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeLeafFrameFactory;
 import edu.uci.ics.hyracks.storage.am.btree.impls.BTreeOp;
-import edu.uci.ics.hyracks.storage.common.file.IFileMappingProvider;
 
 public class BTreeInsertUpdateDeleteOperatorDescriptor extends AbstractBTreeOperatorDescriptor {
 	
@@ -37,7 +35,7 @@
 	private BTreeOp op;
 	
 	public BTreeInsertUpdateDeleteOperatorDescriptor(JobSpecification spec,
-			IFileSplitProvider fileSplitProvider, RecordDescriptor recDesc,
+			RecordDescriptor recDesc,
 			IBufferCacheProvider bufferCacheProvider,
 			IBTreeRegistryProvider btreeRegistryProvider,
 			String btreeFileName, IFileMappingProviderProvider fileMappingProviderProvider, 
@@ -45,7 +43,7 @@
 			IBTreeLeafFrameFactory leafFactory, int fieldCount, 
 			IBinaryComparatorFactory[] comparatorFactories,			
 			int[] fieldPermutation, BTreeOp op) {
-		super(spec, 1, 1, fileSplitProvider, recDesc, bufferCacheProvider,
+		super(spec, 1, 1, recDesc, bufferCacheProvider,
 				btreeRegistryProvider, btreeFileName, fileMappingProviderProvider, interiorFactory,
 				leafFactory, fieldCount, comparatorFactories);
 		this.fieldPermutation = fieldPermutation;		
diff --git a/hyracks-storage-am-btree/src/main/java/edu/uci/ics/hyracks/storage/am/btree/dataflow/BTreeInsertUpdateDeleteOperatorNodePushable.java b/hyracks-storage-am-btree/src/main/java/edu/uci/ics/hyracks/storage/am/btree/dataflow/BTreeInsertUpdateDeleteOperatorNodePushable.java
index 9516dda..5aa239b 100644
--- a/hyracks-storage-am-btree/src/main/java/edu/uci/ics/hyracks/storage/am/btree/dataflow/BTreeInsertUpdateDeleteOperatorNodePushable.java
+++ b/hyracks-storage-am-btree/src/main/java/edu/uci/ics/hyracks/storage/am/btree/dataflow/BTreeInsertUpdateDeleteOperatorNodePushable.java
@@ -63,8 +63,6 @@
         final IBTreeInteriorFrame interiorFrame = btreeOpHelper.getInteriorFrame();
 
         accessor.reset(buffer);
-
-        System.out.println("TUPLECOUNT: " + accessor.getTupleCount());
         
         int tupleCount = accessor.getTupleCount();
         for (int i = 0; i < tupleCount; i++) {
diff --git a/hyracks-storage-am-btree/src/main/java/edu/uci/ics/hyracks/storage/am/btree/dataflow/BTreeOpHelper.java b/hyracks-storage-am-btree/src/main/java/edu/uci/ics/hyracks/storage/am/btree/dataflow/BTreeOpHelper.java
index 62d4811..97b5681 100644
--- a/hyracks-storage-am-btree/src/main/java/edu/uci/ics/hyracks/storage/am/btree/dataflow/BTreeOpHelper.java
+++ b/hyracks-storage-am-btree/src/main/java/edu/uci/ics/hyracks/storage/am/btree/dataflow/BTreeOpHelper.java
@@ -14,22 +14,11 @@
  */
 package edu.uci.ics.hyracks.storage.am.btree.dataflow;
 
-import java.io.DataOutput;
 import java.io.File;
 import java.io.RandomAccessFile;
-import java.nio.ByteBuffer;
-import java.util.Random;
 
-import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
 import edu.uci.ics.hyracks.api.context.IHyracksContext;
 import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
-import edu.uci.ics.hyracks.dataflow.common.data.accessors.FrameTupleReference;
-import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
 import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeInteriorFrame;
 import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeLeafFrame;
 import edu.uci.ics.hyracks.storage.am.btree.frames.MetaDataFrame;
@@ -120,97 +109,7 @@
             }
         }
     }
-
-    // debug
-    void fill() throws Exception {
-
-        // TODO: uncomment and fix
-        MetaDataFrame metaFrame = new MetaDataFrame();
-        btree.create(btreeFileId, leafFrame, metaFrame);
-
-        Random rnd = new Random();
-        rnd.setSeed(50);
-
-        ByteBuffer frame = ctx.getResourceManager().allocateFrame();
-        FrameTupleAppender appender = new FrameTupleAppender(ctx);
-        ArrayTupleBuilder tb = new ArrayTupleBuilder(2);
-        DataOutput dos = tb.getDataOutput();
-
-        ISerializerDeserializer[] recDescSers = { IntegerSerializerDeserializer.INSTANCE,
-                IntegerSerializerDeserializer.INSTANCE };
-        RecordDescriptor recDesc = new RecordDescriptor(recDescSers);
-        IFrameTupleAccessor accessor = new FrameTupleAccessor(ctx, recDesc);
-        accessor.reset(frame);
-        FrameTupleReference tuple = new FrameTupleReference();
-
-        for (int i = 0; i < 10000; i++) {
-            int f0 = rnd.nextInt() % 10000;
-            int f1 = 5;
-
-            tb.reset();
-            IntegerSerializerDeserializer.INSTANCE.serialize(f0, dos);
-            tb.addFieldEndOffset();
-            IntegerSerializerDeserializer.INSTANCE.serialize(f1, dos);
-            tb.addFieldEndOffset();
-
-            appender.reset(frame, true);
-            appender.append(tb.getFieldEndOffsets(), tb.getByteArray(), 0, tb.getSize());
-
-            tuple.reset(accessor, 0);
-
-            if (i % 1000 == 0) {
-                System.out.println("INSERTING " + i + " : " + f0 + " " + f1);
-            }
-
-            try {
-                btree.insert(tuple, leafFrame, interiorFrame, metaFrame);
-            } catch (Exception e) {
-            }
-        }
-
-        /*
-        IFieldAccessor[] fields = new IFieldAccessor[2];
-        fields[0] = new Int32Accessor(); // key field
-        fields[1] = new Int32Accessor(); // value field
-
-        int keyLen = 1;
-        IBinaryComparator[] cmps = new IBinaryComparator[keyLen];
-        cmps[0] = IntegerBinaryComparatorFactory.INSTANCE.createBinaryComparator();
-        MultiComparator cmp = new MultiComparator(cmps, fields);		
-
-        ByteArrayAccessibleOutputStream lkbaaos = new ByteArrayAccessibleOutputStream();
-        DataOutputStream lkdos = new DataOutputStream(lkbaaos);    	    	    	
-        IntegerSerializerDeserializer.INSTANCE.serialize(-1000, lkdos);
-
-        ByteArrayAccessibleOutputStream hkbaaos = new ByteArrayAccessibleOutputStream();
-        DataOutputStream hkdos = new DataOutputStream(hkbaaos);    	    	    	
-        IntegerSerializerDeserializer.INSTANCE.serialize(1000, hkdos);
-
-        byte[] lowKey = lkbaaos.toByteArray();
-        byte[] highKey = hkbaaos.toByteArray();
-
-        IBinaryComparator[] searchCmps = new IBinaryComparator[1];
-        searchCmps[0] = IntegerBinaryComparatorFactory.INSTANCE.createBinaryComparator();
-        MultiComparator searchCmp = new MultiComparator(searchCmps, fields);
-
-        RangePredicate rangePred = new RangePredicate(true, lowKey, highKey, searchCmp);
-        btree.search(cursor, rangePred, leafFrame, interiorFrame);
-        try {
-            while (cursor.hasNext()) {
-            	cursor.next();
-                byte[] array = cursor.getPage().getBuffer().array();
-                int recOffset = cursor.getOffset();                
-                String rec = cmp.printRecord(array, recOffset);
-                System.out.println(rec);         
-            }
-        } catch (Exception e) {
-            e.printStackTrace();
-        } finally {
-            cursor.close();
-        }	
-        */
-    }
-
+    
     public BTree getBTree() {
         return btree;
     }
diff --git a/hyracks-storage-am-btree/src/main/java/edu/uci/ics/hyracks/storage/am/btree/dataflow/BTreeSearchOperatorDescriptor.java b/hyracks-storage-am-btree/src/main/java/edu/uci/ics/hyracks/storage/am/btree/dataflow/BTreeSearchOperatorDescriptor.java
index 240776c..1e4ffee 100644
--- a/hyracks-storage-am-btree/src/main/java/edu/uci/ics/hyracks/storage/am/btree/dataflow/BTreeSearchOperatorDescriptor.java
+++ b/hyracks-storage-am-btree/src/main/java/edu/uci/ics/hyracks/storage/am/btree/dataflow/BTreeSearchOperatorDescriptor.java
@@ -22,10 +22,8 @@
 import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
 import edu.uci.ics.hyracks.api.job.IOperatorEnvironment;
 import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
 import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeInteriorFrameFactory;
 import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeLeafFrameFactory;
-import edu.uci.ics.hyracks.storage.common.file.IFileMappingProvider;
 
 public class BTreeSearchOperatorDescriptor extends AbstractBTreeOperatorDescriptor {
 	
@@ -35,8 +33,8 @@
 	private ITupleReferenceFactory[] searchKeys; // create tuples for low and high keys	
 	private int searchKeyFieldCount;
 	
-	public BTreeSearchOperatorDescriptor(JobSpecification spec, IFileSplitProvider fileSplitProvider, RecordDescriptor recDesc, IBufferCacheProvider bufferCacheProvider, IBTreeRegistryProvider btreeRegistryProvider, String btreeFileName, IFileMappingProviderProvider fileMappingProviderProvider, IBTreeInteriorFrameFactory interiorFactory, IBTreeLeafFrameFactory leafFactory, int fieldCount, IBinaryComparatorFactory[] comparatorFactories, boolean isForward, ITupleReferenceFactory[] searchKeys, int searchKeyFields) {
-		super(spec, 0, 1, fileSplitProvider, recDesc, bufferCacheProvider, btreeRegistryProvider, btreeFileName, fileMappingProviderProvider, interiorFactory, leafFactory, fieldCount, comparatorFactories);
+	public BTreeSearchOperatorDescriptor(JobSpecification spec, RecordDescriptor recDesc, IBufferCacheProvider bufferCacheProvider, IBTreeRegistryProvider btreeRegistryProvider, String btreeFileName, IFileMappingProviderProvider fileMappingProviderProvider, IBTreeInteriorFrameFactory interiorFactory, IBTreeLeafFrameFactory leafFactory, int fieldCount, IBinaryComparatorFactory[] comparatorFactories, boolean isForward, ITupleReferenceFactory[] searchKeys, int searchKeyFields) {
+		super(spec, 0, 1, recDesc, bufferCacheProvider, btreeRegistryProvider, btreeFileName, fileMappingProviderProvider, interiorFactory, leafFactory, fieldCount, comparatorFactories);
 		this.isForward = isForward;
 		this.searchKeys = searchKeys;
 		this.searchKeyFieldCount = searchKeyFields;
diff --git a/hyracks-storage-am-btree/src/main/java/edu/uci/ics/hyracks/storage/am/btree/dataflow/BTreeSearchOperatorNodePushable.java b/hyracks-storage-am-btree/src/main/java/edu/uci/ics/hyracks/storage/am/btree/dataflow/BTreeSearchOperatorNodePushable.java
index 7268dc7..e8458ef 100644
--- a/hyracks-storage-am-btree/src/main/java/edu/uci/ics/hyracks/storage/am/btree/dataflow/BTreeSearchOperatorNodePushable.java
+++ b/hyracks-storage-am-btree/src/main/java/edu/uci/ics/hyracks/storage/am/btree/dataflow/BTreeSearchOperatorNodePushable.java
@@ -119,10 +119,12 @@
             if (appender.getTupleCount() > 0) {
                 FrameUtils.flushFrame(frame, writer);
             }
-            writer.close();
+            
+            cursor.close();
+            writer.close();                        
 
         } catch (Exception e) {
             e.printStackTrace();
-        }        
+        }
     }
 }
\ No newline at end of file