diff --git a/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/impls/BTreeFactory.java b/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/impls/BTreeFactory.java
index cbe531a..35a80f4 100644
--- a/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/impls/BTreeFactory.java
+++ b/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/impls/BTreeFactory.java
@@ -1,4 +1,4 @@
-package edu.uci.ics.hyracks.storage.am.lsmtree.impls;
+package edu.uci.ics.hyracks.storage.am.lsm.impls;
 
 import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
 import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
diff --git a/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/impls/LSMPriorityQueueComparator.java b/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/impls/LSMPriorityQueueComparator.java
index 04281ac..674b94d 100644
--- a/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/impls/LSMPriorityQueueComparator.java
+++ b/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/impls/LSMPriorityQueueComparator.java
@@ -13,8 +13,7 @@
  * limitations under the License.
  */
 
-
-package edu.uci.ics.hyracks.storage.am.lsmtree.impls;
+package edu.uci.ics.hyracks.storage.am.lsm.impls;
 
 import java.util.Comparator;
 
diff --git a/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/impls/LSMPriorityQueueElement.java b/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/impls/LSMPriorityQueueElement.java
index c8e3241..4ed9818 100644
--- a/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/impls/LSMPriorityQueueElement.java
+++ b/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/impls/LSMPriorityQueueElement.java
@@ -1,4 +1,4 @@
-package edu.uci.ics.hyracks.storage.am.lsmtree.impls;
+package edu.uci.ics.hyracks.storage.am.lsm.impls;
 
 import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
 
diff --git a/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/impls/LSMTree.java b/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/impls/LSMTree.java
index 266cc93..b5401f4 100644
--- a/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/impls/LSMTree.java
+++ b/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/impls/LSMTree.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsmtree.impls;
+package edu.uci.ics.hyracks.storage.am.lsm.impls;
 
 import java.io.File;
 import java.util.LinkedList;
@@ -38,8 +38,8 @@
 import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
 import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOp;
 import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.lsmtree.common.api.ILSMTree;
-import edu.uci.ics.hyracks.storage.am.lsmtree.common.freepage.InMemoryFreePageManager;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMTree;
+import edu.uci.ics.hyracks.storage.am.lsm.common.freepage.InMemoryFreePageManager;
 import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
 import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
 
diff --git a/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/impls/LSMTreeCursorInitialState.java b/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/impls/LSMTreeCursorInitialState.java
index 6f2cde2..10bbac6 100644
--- a/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/impls/LSMTreeCursorInitialState.java
+++ b/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/impls/LSMTreeCursorInitialState.java
@@ -1,4 +1,4 @@
-package edu.uci.ics.hyracks.storage.am.lsmtree.impls;
+package edu.uci.ics.hyracks.storage.am.lsm.impls;
 
 import edu.uci.ics.hyracks.storage.am.common.api.ICursorInitialState;
 import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
diff --git a/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/impls/LSMTreeOpContext.java b/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/impls/LSMTreeOpContext.java
index d038ada..bf331b2 100644
--- a/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/impls/LSMTreeOpContext.java
+++ b/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/impls/LSMTreeOpContext.java
@@ -1,4 +1,4 @@
-package edu.uci.ics.hyracks.storage.am.lsmtree.impls;
+package edu.uci.ics.hyracks.storage.am.lsm.impls;
 
 import edu.uci.ics.hyracks.storage.am.btree.api.IBTreeLeafFrame;
 import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
diff --git a/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/impls/LSMTreeRangeSearchCursor.java b/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/impls/LSMTreeRangeSearchCursor.java
index 2e9a500..d976ef1 100644
--- a/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/impls/LSMTreeRangeSearchCursor.java
+++ b/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/impls/LSMTreeRangeSearchCursor.java
@@ -1,4 +1,4 @@
-package edu.uci.ics.hyracks.storage.am.lsmtree.impls;
+package edu.uci.ics.hyracks.storage.am.lsm.impls;
 
 import java.util.PriorityQueue;
 
@@ -11,7 +11,7 @@
 import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexCursor;
 import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
 import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.lsmtree.tuples.LSMTypeAwareTupleReference;
+import edu.uci.ics.hyracks.storage.am.lsm.tuples.LSMTypeAwareTupleReference;
 import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
 import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
 
diff --git a/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/tuples/ILSMTreeTupleReference.java b/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/tuples/ILSMTreeTupleReference.java
index 54b9fcc..11097cd 100644
--- a/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/tuples/ILSMTreeTupleReference.java
+++ b/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/tuples/ILSMTreeTupleReference.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsmtree.tuples;
+package edu.uci.ics.hyracks.storage.am.lsm.tuples;
 
 import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleReference;
 
diff --git a/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/tuples/LSMEntireTupleWriter.java b/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/tuples/LSMEntireTupleWriter.java
index e94ef1f..f673a2f 100644
--- a/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/tuples/LSMEntireTupleWriter.java
+++ b/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/tuples/LSMEntireTupleWriter.java
@@ -1,4 +1,4 @@
-package edu.uci.ics.hyracks.storage.am.lsmtree.tuples;
+package edu.uci.ics.hyracks.storage.am.lsm.tuples;
 
 import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
 import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
diff --git a/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/tuples/LSMEntireTupleWriterFactory.java b/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/tuples/LSMEntireTupleWriterFactory.java
index 6bbc7a6..58d61f9 100644
--- a/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/tuples/LSMEntireTupleWriterFactory.java
+++ b/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/tuples/LSMEntireTupleWriterFactory.java
@@ -1,4 +1,4 @@
-package edu.uci.ics.hyracks.storage.am.lsmtree.tuples;
+package edu.uci.ics.hyracks.storage.am.lsm.tuples;
 
 import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
 import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
diff --git a/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/tuples/LSMTypeAwareTupleReference.java b/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/tuples/LSMTypeAwareTupleReference.java
index 6dec2c6..7b5da79 100644
--- a/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/tuples/LSMTypeAwareTupleReference.java
+++ b/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/tuples/LSMTypeAwareTupleReference.java
@@ -1,4 +1,4 @@
-package edu.uci.ics.hyracks.storage.am.lsmtree.tuples;
+package edu.uci.ics.hyracks.storage.am.lsm.tuples;
 
 import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
 import edu.uci.ics.hyracks.storage.am.common.tuples.TypeAwareTupleReference;
diff --git a/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/tuples/LSMTypeAwareTupleReferenceTest.java b/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/tuples/LSMTypeAwareTupleReferenceTest.java
index 77fe2f3..2b94b64 100644
--- a/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/tuples/LSMTypeAwareTupleReferenceTest.java
+++ b/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/tuples/LSMTypeAwareTupleReferenceTest.java
@@ -1,4 +1,4 @@
-package edu.uci.ics.hyracks.storage.am.lsmtree.tuples;
+package edu.uci.ics.hyracks.storage.am.lsm.tuples;
 
 import static org.junit.Assert.fail;
 
diff --git a/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/tuples/LSMTypeAwareTupleWriter.java b/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/tuples/LSMTypeAwareTupleWriter.java
index d4dd104..117e756 100644
--- a/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/tuples/LSMTypeAwareTupleWriter.java
+++ b/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/tuples/LSMTypeAwareTupleWriter.java
@@ -1,4 +1,4 @@
-package edu.uci.ics.hyracks.storage.am.lsmtree.tuples;
+package edu.uci.ics.hyracks.storage.am.lsm.tuples;
 
 import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
 import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
diff --git a/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/tuples/LSMTypeAwareTupleWriterFactory.java b/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/tuples/LSMTypeAwareTupleWriterFactory.java
index d424a61..236c15c 100644
--- a/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/tuples/LSMTypeAwareTupleWriterFactory.java
+++ b/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/tuples/LSMTypeAwareTupleWriterFactory.java
@@ -1,4 +1,4 @@
-package edu.uci.ics.hyracks.storage.am.lsmtree.tuples;
+package edu.uci.ics.hyracks.storage.am.lsm.tuples;
 
 import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
 import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
diff --git a/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/tuples/LSMTypeAwareTupleWriterFactoryTest.java b/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/tuples/LSMTypeAwareTupleWriterFactoryTest.java
index a9cab04..0731f3b 100644
--- a/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/tuples/LSMTypeAwareTupleWriterFactoryTest.java
+++ b/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/tuples/LSMTypeAwareTupleWriterFactoryTest.java
@@ -1,4 +1,4 @@
-package edu.uci.ics.hyracks.storage.am.lsmtree.tuples;
+package edu.uci.ics.hyracks.storage.am.lsm.tuples;
 
 import static org.junit.Assert.fail;
 
diff --git a/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/tuples/LSMTypeAwareTupleWriterTest.java b/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/tuples/LSMTypeAwareTupleWriterTest.java
index 75e76bb..230231d 100644
--- a/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/tuples/LSMTypeAwareTupleWriterTest.java
+++ b/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/tuples/LSMTypeAwareTupleWriterTest.java
@@ -1,4 +1,4 @@
-package edu.uci.ics.hyracks.storage.am.lsmtree.tuples;
+package edu.uci.ics.hyracks.storage.am.lsm.tuples;
 
 import static org.junit.Assert.fail;
 
diff --git a/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/util/LSMBTreeUtils.java b/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/util/LSMBTreeUtils.java
new file mode 100644
index 0000000..38e123e
--- /dev/null
+++ b/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/util/LSMBTreeUtils.java
@@ -0,0 +1,54 @@
+/*
+ * 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.storage.am.lsm.util;
+
+import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
+import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
+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.common.api.ITreeIndexFrameFactory;
+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.common.freepage.LinkedListFreePageManagerFactory;
+import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
+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.am.lsm.impls.BTreeFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.impls.LSMTree;
+import edu.uci.ics.hyracks.storage.am.lsm.tuples.LSMTypeAwareTupleWriterFactory;
+import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
+import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider;
+
+public class LSMBTreeUtils {
+    public static LSMTree createLSMTree(InMemoryBufferCache memBufferCache, InMemoryFreePageManager memFreePageManager,
+            String onDiskDir, IBufferCache diskBufferCache, IFileMapProvider diskFileMapProvider,
+            ITypeTraits[] typeTraits, IBinaryComparator[] cmps) {
+        MultiComparator cmp = new MultiComparator(cmps);
+        LSMTypeAwareTupleWriterFactory insertTupleWriterFactory = new LSMTypeAwareTupleWriterFactory(typeTraits, false);
+        LSMTypeAwareTupleWriterFactory deleteTupleWriterFactory = new LSMTypeAwareTupleWriterFactory(typeTraits, true);
+        ITreeIndexFrameFactory insertLeafFrameFactory = new BTreeNSMLeafFrameFactory(insertTupleWriterFactory);
+        ITreeIndexFrameFactory deleteLeafFrameFactory = new BTreeNSMLeafFrameFactory(deleteTupleWriterFactory);
+        ITreeIndexFrameFactory interiorFrameFactory = new BTreeNSMInteriorFrameFactory(insertTupleWriterFactory);
+        ITreeIndexMetaDataFrameFactory metaFrameFactory = new LIFOMetaDataFrameFactory();
+        LinkedListFreePageManagerFactory freePageManagerFactory = new LinkedListFreePageManagerFactory(diskBufferCache,
+                metaFrameFactory);
+        BTreeFactory btreeFactory = new BTreeFactory(diskBufferCache, freePageManagerFactory, cmp, typeTraits.length,
+                interiorFrameFactory, insertLeafFrameFactory);
+        LSMTree lsmTree = new LSMTree(memBufferCache, memFreePageManager, interiorFrameFactory, insertLeafFrameFactory,
+                deleteLeafFrameFactory, onDiskDir, btreeFactory, diskFileMapProvider, typeTraits.length, cmp);
+        return lsmTree;
+    }
+}
diff --git a/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/api/ILSMTree.java b/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/api/ILSMTree.java
index 46cdc2e..9775484 100644
--- a/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/api/ILSMTree.java
+++ b/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/api/ILSMTree.java
@@ -1,4 +1,4 @@
-package edu.uci.ics.hyracks.storage.am.lsmtree.common.api;
+package edu.uci.ics.hyracks.storage.am.lsm.common.api;
 
 import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
 
diff --git a/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/freepage/InMemoryBufferCache.java b/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/freepage/InMemoryBufferCache.java
index d667336..8fcb4a0 100644
--- a/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/freepage/InMemoryBufferCache.java
+++ b/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/freepage/InMemoryBufferCache.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsmtree.common.freepage;
+package edu.uci.ics.hyracks.storage.am.lsm.common.freepage;
 
 import java.nio.ByteBuffer;
 import java.util.ArrayList;
diff --git a/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/freepage/InMemoryFreePageManager.java b/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/freepage/InMemoryFreePageManager.java
index 4ad5386..70d8e6c 100644
--- a/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/freepage/InMemoryFreePageManager.java
+++ b/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/freepage/InMemoryFreePageManager.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsmtree.common.freepage;
+package edu.uci.ics.hyracks.storage.am.lsm.common.freepage;
 
 import java.util.concurrent.atomic.AtomicInteger;
 
diff --git a/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/impls/LSMTreeBulkLoadContext.java b/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/impls/LSMTreeBulkLoadContext.java
index 7a26e2d..727c211 100644
--- a/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/impls/LSMTreeBulkLoadContext.java
+++ b/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/impls/LSMTreeBulkLoadContext.java
@@ -1,4 +1,4 @@
-package edu.uci.ics.hyracks.storage.am.lsmtree.common.impls;
+package edu.uci.ics.hyracks.storage.am.lsm.common.impls;
 
 import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
 import edu.uci.ics.hyracks.storage.am.common.api.IIndexBulkLoadContext;
diff --git a/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/impls/TreeFactory.java b/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/impls/TreeFactory.java
index 1200022..8eec377 100644
--- a/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/impls/TreeFactory.java
+++ b/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/impls/TreeFactory.java
@@ -1,4 +1,4 @@
-package edu.uci.ics.hyracks.storage.am.lsmtree.common.impls;
+package edu.uci.ics.hyracks.storage.am.lsm.common.impls;
 
 import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
 import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
diff --git a/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/BTreeFactory.java b/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/BTreeFactory.java
index 2330e42..98824ab 100644
--- a/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/BTreeFactory.java
+++ b/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/BTreeFactory.java
@@ -1,11 +1,11 @@
-package edu.uci.ics.hyracks.storage.am.lsmtree.rtree.impls;
+package edu.uci.ics.hyracks.storage.am.lsm.rtree.impls;
 
 import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
 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.storage.am.common.freepage.LinkedListFreePageManagerFactory;
 import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.lsmtree.common.impls.TreeFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.common.impls.TreeFactory;
 import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
 
 public class BTreeFactory extends TreeFactory {
diff --git a/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMBTreeOpContext.java b/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMBTreeOpContext.java
index 6c4f98a..1b14d9f 100644
--- a/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMBTreeOpContext.java
+++ b/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMBTreeOpContext.java
@@ -1,4 +1,4 @@
-package edu.uci.ics.hyracks.storage.am.lsmtree.rtree.impls;
+package edu.uci.ics.hyracks.storage.am.lsm.rtree.impls;
 
 import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
 import edu.uci.ics.hyracks.storage.am.btree.impls.BTreeOpContext;
diff --git a/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMRTree.java b/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMRTree.java
index 0846f07..32ec957 100644
--- a/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMRTree.java
+++ b/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMRTree.java
@@ -1,4 +1,4 @@
-package edu.uci.ics.hyracks.storage.am.lsmtree.rtree.impls;
+package edu.uci.ics.hyracks.storage.am.lsm.rtree.impls;
 
 import java.io.File;
 import java.util.LinkedList;
@@ -21,10 +21,10 @@
 import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
 import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOp;
 import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.lsmtree.common.api.ILSMTree;
-import edu.uci.ics.hyracks.storage.am.lsmtree.common.freepage.InMemoryFreePageManager;
-import edu.uci.ics.hyracks.storage.am.lsmtree.common.impls.LSMTreeBulkLoadContext;
-import edu.uci.ics.hyracks.storage.am.lsmtree.common.impls.TreeFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMTree;
+import edu.uci.ics.hyracks.storage.am.lsm.common.freepage.InMemoryFreePageManager;
+import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMTreeBulkLoadContext;
+import edu.uci.ics.hyracks.storage.am.lsm.common.impls.TreeFactory;
 import edu.uci.ics.hyracks.storage.am.rtree.api.IRTreeInteriorFrame;
 import edu.uci.ics.hyracks.storage.am.rtree.api.IRTreeLeafFrame;
 import edu.uci.ics.hyracks.storage.am.rtree.impls.RTree;
diff --git a/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMRTreeCursorInitialState.java b/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMRTreeCursorInitialState.java
index 3838899..3669f87 100644
--- a/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMRTreeCursorInitialState.java
+++ b/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMRTreeCursorInitialState.java
@@ -1,7 +1,6 @@
-package edu.uci.ics.hyracks.storage.am.lsmtree.rtree.impls;
+package edu.uci.ics.hyracks.storage.am.lsm.rtree.impls;
 
 import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
-import edu.uci.ics.hyracks.storage.am.btree.impls.RangePredicate;
 import edu.uci.ics.hyracks.storage.am.common.api.ICursorInitialState;
 import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory;
 import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
diff --git a/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMRTreeInMemoryBufferCache.java b/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMRTreeInMemoryBufferCache.java
index 5162c68..bf13ca0 100644
--- a/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMRTreeInMemoryBufferCache.java
+++ b/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMRTreeInMemoryBufferCache.java
@@ -1,8 +1,9 @@
-package edu.uci.ics.hyracks.storage.am.lsmtree.rtree.impls;
+package edu.uci.ics.hyracks.storage.am.lsm.rtree.impls;
 
 import java.nio.ByteBuffer;
 
-import edu.uci.ics.hyracks.storage.am.lsmtree.common.freepage.InMemoryBufferCache;
+import edu.uci.ics.hyracks.storage.am.lsm.common.freepage.InMemoryBufferCache;
+import edu.uci.ics.hyracks.storage.am.lsm.common.freepage.InMemoryBufferCache.CachedPage;
 import edu.uci.ics.hyracks.storage.common.buffercache.ICacheMemoryAllocator;
 import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
 import edu.uci.ics.hyracks.storage.common.file.BufferedFileHandle;
diff --git a/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMRTreeInMemoryBufferCacheFactory.java b/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMRTreeInMemoryBufferCacheFactory.java
index ed652d6..0ebb118 100644
--- a/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMRTreeInMemoryBufferCacheFactory.java
+++ b/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMRTreeInMemoryBufferCacheFactory.java
@@ -1,4 +1,4 @@
-package edu.uci.ics.hyracks.storage.am.lsmtree.rtree.impls;
+package edu.uci.ics.hyracks.storage.am.lsm.rtree.impls;
 
 import edu.uci.ics.hyracks.storage.common.buffercache.HeapBufferAllocator;
 import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
diff --git a/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMRTreeInMemoryFreePageManager.java b/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMRTreeInMemoryFreePageManager.java
index 1511e474..adec7e7 100644
--- a/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMRTreeInMemoryFreePageManager.java
+++ b/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMRTreeInMemoryFreePageManager.java
@@ -1,9 +1,9 @@
-package edu.uci.ics.hyracks.storage.am.lsmtree.rtree.impls;
+package edu.uci.ics.hyracks.storage.am.lsm.rtree.impls;
 
 import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
 import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexMetaDataFrame;
 import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexMetaDataFrameFactory;
-import edu.uci.ics.hyracks.storage.am.lsmtree.common.freepage.InMemoryFreePageManager;
+import edu.uci.ics.hyracks.storage.am.lsm.common.freepage.InMemoryFreePageManager;
 
 public class LSMRTreeInMemoryFreePageManager extends InMemoryFreePageManager {
 
diff --git a/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMRTreeOpContext.java b/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMRTreeOpContext.java
index 57a0413..1ee238f 100644
--- a/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMRTreeOpContext.java
+++ b/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMRTreeOpContext.java
@@ -1,4 +1,4 @@
-package edu.uci.ics.hyracks.storage.am.lsmtree.rtree.impls;
+package edu.uci.ics.hyracks.storage.am.lsm.rtree.impls;
 
 import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexMetaDataFrame;
 import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOp;
diff --git a/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMRTreeSearchCursor.java b/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMRTreeSearchCursor.java
index b0c1178..b3a909c 100644
--- a/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMRTreeSearchCursor.java
+++ b/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMRTreeSearchCursor.java
@@ -1,4 +1,4 @@
-package edu.uci.ics.hyracks.storage.am.lsmtree.rtree.impls;
+package edu.uci.ics.hyracks.storage.am.lsm.rtree.impls;
 
 import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
 import edu.uci.ics.hyracks.dataflow.common.data.accessors.ITupleReference;
diff --git a/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMTreeOpContext.java b/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMTreeOpContext.java
index dcf5247..b3b6e69 100644
--- a/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMTreeOpContext.java
+++ b/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMTreeOpContext.java
@@ -1,4 +1,4 @@
-package edu.uci.ics.hyracks.storage.am.lsmtree.rtree.impls;
+package edu.uci.ics.hyracks.storage.am.lsm.rtree.impls;
 
 import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOp;
 
diff --git a/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMTypeAwareTupleWriterFactory.java b/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMTypeAwareTupleWriterFactory.java
index a55248b..811b68b 100644
--- a/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMTypeAwareTupleWriterFactory.java
+++ b/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMTypeAwareTupleWriterFactory.java
@@ -1,4 +1,4 @@
-package edu.uci.ics.hyracks.storage.am.lsmtree.rtree.impls;
+package edu.uci.ics.hyracks.storage.am.lsm.rtree.impls;
 
 import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
 import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleWriter;
diff --git a/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/RTreeFactory.java b/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/RTreeFactory.java
index 31d0bda..56780e7 100644
--- a/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/RTreeFactory.java
+++ b/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/RTreeFactory.java
@@ -1,10 +1,10 @@
-package edu.uci.ics.hyracks.storage.am.lsmtree.rtree.impls;
+package edu.uci.ics.hyracks.storage.am.lsm.rtree.impls;
 
 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.storage.am.common.freepage.LinkedListFreePageManagerFactory;
 import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.lsmtree.common.impls.TreeFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.common.impls.TreeFactory;
 import edu.uci.ics.hyracks.storage.am.rtree.impls.RTree;
 import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
 
diff --git a/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/btree/AbstractLSMTreeTest.java b/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/btree/AbstractLSMTreeTest.java
index 3c8f9f7..2a0f7b4 100644
--- a/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/btree/AbstractLSMTreeTest.java
+++ b/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/btree/AbstractLSMTreeTest.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsmtree.btree;
+package edu.uci.ics.hyracks.storage.am.lsm.btree;
 
 import java.io.File;
 import java.text.SimpleDateFormat;
@@ -26,7 +26,7 @@
 
 import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
 import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.storage.am.lsmtree.common.freepage.InMemoryBufferCache;
+import edu.uci.ics.hyracks.storage.am.lsm.common.freepage.InMemoryBufferCache;
 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;
diff --git a/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/btree/perf/BTreeBulkLoadRunner.java b/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/btree/perf/BTreeBulkLoadRunner.java
index e2fd84a..6991308 100644
--- a/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/btree/perf/BTreeBulkLoadRunner.java
+++ b/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/btree/perf/BTreeBulkLoadRunner.java
@@ -1,4 +1,4 @@
-package edu.uci.ics.hyracks.storage.am.lsmtree.btree.perf;
+package edu.uci.ics.hyracks.storage.am.lsm.btree.perf;
 
 import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
 import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
diff --git a/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/btree/perf/BTreePageSizePerf.java b/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/btree/perf/BTreePageSizePerf.java
index b64491d..41f00f1 100644
--- a/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/btree/perf/BTreePageSizePerf.java
+++ b/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/btree/perf/BTreePageSizePerf.java
@@ -1,4 +1,4 @@
-package edu.uci.ics.hyracks.storage.am.lsmtree.btree.perf;
+package edu.uci.ics.hyracks.storage.am.lsm.btree.perf;
 
 import java.util.Enumeration;
 import java.util.logging.Level;
diff --git a/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/btree/perf/BTreeRunner.java b/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/btree/perf/BTreeRunner.java
index 454500e..ac61fb4 100644
--- a/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/btree/perf/BTreeRunner.java
+++ b/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/btree/perf/BTreeRunner.java
@@ -1,4 +1,4 @@
-package edu.uci.ics.hyracks.storage.am.lsmtree.btree.perf;
+package edu.uci.ics.hyracks.storage.am.lsm.btree.perf;
 
 import java.io.File;
 
diff --git a/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/btree/perf/ConcurrentSkipListRunner.java b/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/btree/perf/ConcurrentSkipListRunner.java
index ae7c3c6..fd55622 100644
--- a/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/btree/perf/ConcurrentSkipListRunner.java
+++ b/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/btree/perf/ConcurrentSkipListRunner.java
@@ -1,4 +1,4 @@
-package edu.uci.ics.hyracks.storage.am.lsmtree.btree.perf;
+package edu.uci.ics.hyracks.storage.am.lsm.btree.perf;
 
 import java.nio.ByteBuffer;
 import java.util.Comparator;
diff --git a/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/btree/perf/IExperimentRunner.java b/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/btree/perf/IExperimentRunner.java
index e008be6..734baa1 100644
--- a/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/btree/perf/IExperimentRunner.java
+++ b/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/btree/perf/IExperimentRunner.java
@@ -1,4 +1,4 @@
-package edu.uci.ics.hyracks.storage.am.lsmtree.btree.perf;
+package edu.uci.ics.hyracks.storage.am.lsm.btree.perf;
 
 import edu.uci.ics.hyracks.storage.am.common.datagen.DataGenThread;
 
diff --git a/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/btree/perf/InMemoryBTreeRunner.java b/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/btree/perf/InMemoryBTreeRunner.java
index 57b1d54..65efda5 100644
--- a/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/btree/perf/InMemoryBTreeRunner.java
+++ b/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/btree/perf/InMemoryBTreeRunner.java
@@ -1,4 +1,4 @@
-package edu.uci.ics.hyracks.storage.am.lsmtree.btree.perf;
+package edu.uci.ics.hyracks.storage.am.lsm.btree.perf;
 
 import java.text.SimpleDateFormat;
 import java.util.Date;
@@ -19,8 +19,8 @@
 import edu.uci.ics.hyracks.storage.am.common.frames.LIFOMetaDataFrameFactory;
 import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
 import edu.uci.ics.hyracks.storage.am.common.tuples.TypeAwareTupleWriterFactory;
-import edu.uci.ics.hyracks.storage.am.lsmtree.common.freepage.InMemoryBufferCache;
-import edu.uci.ics.hyracks.storage.am.lsmtree.common.freepage.InMemoryFreePageManager;
+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.buffercache.ICacheMemoryAllocator;
diff --git a/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/btree/perf/InMemorySortRunner.java b/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/btree/perf/InMemorySortRunner.java
index 269fa71..e38c38fa 100644
--- a/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/btree/perf/InMemorySortRunner.java
+++ b/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/btree/perf/InMemorySortRunner.java
@@ -1,4 +1,4 @@
-package edu.uci.ics.hyracks.storage.am.lsmtree.btree.perf;
+package edu.uci.ics.hyracks.storage.am.lsm.btree.perf;
 
 import java.nio.ByteBuffer;
 import java.util.ArrayList;
diff --git a/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/btree/perf/LSMTreeRunner.java b/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/btree/perf/LSMTreeRunner.java
index 852511e..ccfabdf 100644
--- a/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/btree/perf/LSMTreeRunner.java
+++ b/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/btree/perf/LSMTreeRunner.java
@@ -1,4 +1,4 @@
-package edu.uci.ics.hyracks.storage.am.lsmtree.btree.perf;
+package edu.uci.ics.hyracks.storage.am.lsm.btree.perf;
 
 import java.text.SimpleDateFormat;
 import java.util.Date;
@@ -8,13 +8,16 @@
 import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
 import edu.uci.ics.hyracks.storage.am.btree.exceptions.BTreeException;
 import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexAccessor;
+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.datagen.DataGenThread;
 import edu.uci.ics.hyracks.storage.am.common.datagen.TupleBatch;
+import edu.uci.ics.hyracks.storage.am.common.frames.LIFOMetaDataFrameFactory;
 import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.lsmtree.common.freepage.InMemoryBufferCache;
-import edu.uci.ics.hyracks.storage.am.lsmtree.impls.LSMTree;
-import edu.uci.ics.hyracks.storage.am.lsmtree.util.LSMBTreeUtils;
+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.am.lsm.impls.LSMTree;
+import edu.uci.ics.hyracks.storage.am.lsm.util.LSMBTreeUtils;
 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;
@@ -56,8 +59,9 @@
         IFileMapProvider fmp = TestStorageManagerComponentHolder.getFileMapProvider(ctx);
         
         InMemoryBufferCache memBufferCache = new InMemoryBufferCache(new HeapBufferAllocator(), inMemPageSize, inMemNumPages);
-		
-        lsmtree = LSMBTreeUtils.createLSMTree(memBufferCache, onDiskDir, bufferCache, fmp, typeTraits, cmp.getComparators());
+        InMemoryFreePageManager memFreePageManager = new InMemoryFreePageManager(inMemNumPages, new LIFOMetaDataFrameFactory());
+        
+        lsmtree = LSMBTreeUtils.createLSMTree(memBufferCache, memFreePageManager, onDiskDir, bufferCache, fmp, typeTraits, cmp.getComparators());
     }
 	@Override
 	public void init() throws Exception {
diff --git a/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/btree/perf/PerfExperiment.java b/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/btree/perf/PerfExperiment.java
index 7012b22..d1cc426 100644
--- a/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/btree/perf/PerfExperiment.java
+++ b/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/btree/perf/PerfExperiment.java
@@ -1,4 +1,4 @@
-package edu.uci.ics.hyracks.storage.am.lsmtree.btree.perf;
+package edu.uci.ics.hyracks.storage.am.lsm.btree.perf;
 
 import java.io.FileOutputStream;
 import java.io.PrintStream;
diff --git a/hyracks-tests/hyracks-storage-am-lsm-common-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/common/InMemoryBufferCacheTest.java b/hyracks-tests/hyracks-storage-am-lsm-common-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/common/InMemoryBufferCacheTest.java
index 02746c8..2238e64 100644
--- a/hyracks-tests/hyracks-storage-am-lsm-common-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/common/InMemoryBufferCacheTest.java
+++ b/hyracks-tests/hyracks-storage-am-lsm-common-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/common/InMemoryBufferCacheTest.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsmtree.common;
+package edu.uci.ics.hyracks.storage.am.lsm.common;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.fail;
@@ -22,7 +22,7 @@
 
 import org.junit.Test;
 
-import edu.uci.ics.hyracks.storage.am.lsmtree.common.freepage.InMemoryBufferCache;
+import edu.uci.ics.hyracks.storage.am.lsm.common.freepage.InMemoryBufferCache;
 import edu.uci.ics.hyracks.storage.common.buffercache.HeapBufferAllocator;
 import edu.uci.ics.hyracks.storage.common.buffercache.ICachedPage;
 import edu.uci.ics.hyracks.storage.common.file.BufferedFileHandle;
diff --git a/hyracks-tests/hyracks-storage-am-lsm-common-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/common/InMemoryFreePageManagerTest.java b/hyracks-tests/hyracks-storage-am-lsm-common-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/common/InMemoryFreePageManagerTest.java
index 0cc4d107..bd09a3f 100644
--- a/hyracks-tests/hyracks-storage-am-lsm-common-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/common/InMemoryFreePageManagerTest.java
+++ b/hyracks-tests/hyracks-storage-am-lsm-common-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/common/InMemoryFreePageManagerTest.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.hyracks.storage.am.lsmtree.common;
+package edu.uci.ics.hyracks.storage.am.lsm.common;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
@@ -24,7 +24,7 @@
 import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
 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.lsmtree.common.freepage.InMemoryFreePageManager;
+import edu.uci.ics.hyracks.storage.am.lsm.common.freepage.InMemoryFreePageManager;
 
 public class InMemoryFreePageManagerTest {
 
diff --git a/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/AbstractLSMTreeTest.java b/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/AbstractLSMTreeTest.java
index 58b08ec..ffcb02d 100644
--- a/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/AbstractLSMTreeTest.java
+++ b/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/AbstractLSMTreeTest.java
@@ -1,4 +1,4 @@
-package edu.uci.ics.hyracks.storage.am.lsmtree.rtree;
+package edu.uci.ics.hyracks.storage.am.lsm.rtree;
 
 import java.io.File;
 import java.text.SimpleDateFormat;
diff --git a/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/LSMRTreeTest.java b/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/LSMRTreeTest.java
index 87ac1c6..12033b6 100644
--- a/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/LSMRTreeTest.java
+++ b/hyracks-tests/hyracks-storage-am-lsm-rtree-test/src/test/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/LSMRTreeTest.java
@@ -1,4 +1,4 @@
-package edu.uci.ics.hyracks.storage.am.lsmtree.rtree;
+package edu.uci.ics.hyracks.storage.am.lsm.rtree;
 
 import java.io.ByteArrayInputStream;
 import java.io.DataInput;
@@ -40,14 +40,14 @@
 import edu.uci.ics.hyracks.storage.am.common.frames.LIFOMetaDataFrameFactory;
 import edu.uci.ics.hyracks.storage.am.common.freepage.LinkedListFreePageManagerFactory;
 import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
-import edu.uci.ics.hyracks.storage.am.lsmtree.common.freepage.InMemoryFreePageManager;
-import edu.uci.ics.hyracks.storage.am.lsmtree.rtree.impls.BTreeFactory;
-import edu.uci.ics.hyracks.storage.am.lsmtree.rtree.impls.LSMRTree;
-import edu.uci.ics.hyracks.storage.am.lsmtree.rtree.impls.LSMRTreeInMemoryBufferCacheFactory;
-import edu.uci.ics.hyracks.storage.am.lsmtree.rtree.impls.LSMRTreeInMemoryFreePageManager;
-import edu.uci.ics.hyracks.storage.am.lsmtree.rtree.impls.LSMRTreeSearchCursor;
-import edu.uci.ics.hyracks.storage.am.lsmtree.rtree.impls.LSMTypeAwareTupleWriterFactory;
-import edu.uci.ics.hyracks.storage.am.lsmtree.rtree.impls.RTreeFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.common.freepage.InMemoryFreePageManager;
+import edu.uci.ics.hyracks.storage.am.lsm.rtree.impls.BTreeFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.rtree.impls.LSMRTree;
+import edu.uci.ics.hyracks.storage.am.lsm.rtree.impls.LSMRTreeInMemoryBufferCacheFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.rtree.impls.LSMRTreeInMemoryFreePageManager;
+import edu.uci.ics.hyracks.storage.am.lsm.rtree.impls.LSMRTreeSearchCursor;
+import edu.uci.ics.hyracks.storage.am.lsm.rtree.impls.LSMTypeAwareTupleWriterFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.rtree.impls.RTreeFactory;
 import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreeNSMInteriorFrameFactory;
 import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreeNSMLeafFrameFactory;
 import edu.uci.ics.hyracks.storage.am.rtree.impls.SearchPredicate;