diff --git a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/btree/impls/LSMBTreeDiskComponentFactory.java b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/btree/impls/LSMBTreeDiskComponentFactory.java
index 1d74101..7b1e0de 100644
--- a/hyracks/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/btree/impls/LSMBTreeDiskComponentFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/btree/impls/LSMBTreeDiskComponentFactory.java
@@ -20,12 +20,12 @@
 import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
 import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
 import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMDiskComponentFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFactory;
 import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
 import edu.uci.ics.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
 import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
 
-public class LSMBTreeDiskComponentFactory implements ILSMDiskComponentFactory {
+public class LSMBTreeDiskComponentFactory implements ILSMComponentFactory {
     private final TreeIndexFactory<BTree> btreeFactory;
     private final BloomFilterFactory bloomFilterFactory;
 
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/api/ILSMDiskComponentFactory.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/api/ILSMComponentFactory.java
similarity index 96%
rename from hyracks/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/api/ILSMDiskComponentFactory.java
rename to hyracks/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/api/ILSMComponentFactory.java
index ba8b0f7..3197f01 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/api/ILSMDiskComponentFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/api/ILSMComponentFactory.java
@@ -19,7 +19,7 @@
 import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
 import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
 
-public interface ILSMDiskComponentFactory {
+public interface ILSMComponentFactory {
     public ILSMComponent createLSMComponentInstance(LSMComponentFileReferences cfr) throws IndexException,
             HyracksDataException;
 
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/impls/LSMHarness.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/impls/LSMHarness.java
index af7525e..5b59902 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/impls/LSMHarness.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/impls/LSMHarness.java
@@ -53,6 +53,7 @@
         synchronized (opTracker) {
             while (true) {
                 lsmIndex.getOperationalComponents(ctx);
+                // Before entering the components, prune those corner cases that indeed should not proceed.
                 switch (opType) {
                     case FLUSH:
                         ILSMComponent flushingComponent = ctx.getComponentHolder().get(0);
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndex.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndex.java
index 3b0b480..d968f7a 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndex.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndex.java
@@ -49,7 +49,7 @@
 import edu.uci.ics.hyracks.storage.am.common.tuples.PermutingTupleReference;
 import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
 import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent.LSMComponentType;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMDiskComponentFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFactory;
 import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
 import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
 import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackProvider;
@@ -85,7 +85,7 @@
 
     // On-disk components.
     // For creating inverted indexes in flush and merge.
-    protected final ILSMDiskComponentFactory componentFactory;
+    protected final ILSMComponentFactory componentFactory;
 
     // Type traits and comparators for tokens and inverted-list elements.
     protected final ITypeTraits[] invListTypeTraits;
@@ -661,7 +661,7 @@
                 new FileReference(new File(fileManager.getBaseDir() + "_virtual_vocab_" + id)));
     }
 
-    protected LSMInvertedIndexDiskComponent createDiskInvIndexComponent(ILSMDiskComponentFactory factory,
+    protected LSMInvertedIndexDiskComponent createDiskInvIndexComponent(ILSMComponentFactory factory,
             FileReference dictBTreeFileRef, FileReference btreeFileRef, FileReference bloomFilterFileRef, boolean create)
             throws HyracksDataException, IndexException {
         LSMInvertedIndexDiskComponent component = (LSMInvertedIndexDiskComponent) factory
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexDiskComponentFactory.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexDiskComponentFactory.java
index 741aaff..f83f529 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexDiskComponentFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexDiskComponentFactory.java
@@ -20,13 +20,13 @@
 import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
 import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
 import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMDiskComponentFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFactory;
 import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
 import edu.uci.ics.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
 import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.ondisk.OnDiskInvertedIndexFactory;
 import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
 
-public class LSMInvertedIndexDiskComponentFactory implements ILSMDiskComponentFactory {
+public class LSMInvertedIndexDiskComponentFactory implements ILSMComponentFactory {
     private final OnDiskInvertedIndexFactory diskInvIndexFactory;
     private final TreeIndexFactory<BTree> btreeFactory;
     private final BloomFilterFactory bloomFilterFactory;
diff --git a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/AbstractLSMRTree.java b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/AbstractLSMRTree.java
index cfd3ac6..4216eb8 100644
--- a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/AbstractLSMRTree.java
+++ b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/AbstractLSMRTree.java
@@ -38,7 +38,7 @@
 import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallback;
 import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
 import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMDiskComponentFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFactory;
 import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackProvider;
 import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
 import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexAccessor;
@@ -67,7 +67,7 @@
 
     // On-disk components.
     // For creating RTree's used in flush and merge.
-    protected final ILSMDiskComponentFactory componentFactory;
+    protected final ILSMComponentFactory componentFactory;
 
     private IBinaryComparatorFactory[] btreeCmpFactories;
     private IBinaryComparatorFactory[] rtreeCmpFactories;
@@ -81,7 +81,7 @@
     public AbstractLSMRTree(List<IVirtualBufferCache> virtualBufferCaches,
             ITreeIndexFrameFactory rtreeInteriorFrameFactory, ITreeIndexFrameFactory rtreeLeafFrameFactory,
             ITreeIndexFrameFactory btreeInteriorFrameFactory, ITreeIndexFrameFactory btreeLeafFrameFactory,
-            ILSMIndexFileManager fileManager, ILSMDiskComponentFactory componentFactory,
+            ILSMIndexFileManager fileManager, ILSMComponentFactory componentFactory,
             IFileMapProvider diskFileMapProvider, int fieldCount, IBinaryComparatorFactory[] rtreeCmpFactories,
             IBinaryComparatorFactory[] btreeCmpFactories, ILinearizeComparatorFactory linearizer,
             int[] comparatorFields, IBinaryComparatorFactory[] linearizerArray, double bloomFilterFalsePositiveRate,
@@ -256,7 +256,7 @@
         return fileRefs;
     }
 
-    protected LSMRTreeDiskComponent createDiskComponent(ILSMDiskComponentFactory factory, FileReference insertFileRef,
+    protected LSMRTreeDiskComponent createDiskComponent(ILSMComponentFactory factory, FileReference insertFileRef,
             FileReference deleteFileRef, FileReference bloomFilterFileRef, boolean createComponent)
             throws HyracksDataException, IndexException {
         // Create new tree instance.
diff --git a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMRTreeDiskComponentFactory.java b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMRTreeDiskComponentFactory.java
index a3883ec..a130562 100644
--- a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMRTreeDiskComponentFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMRTreeDiskComponentFactory.java
@@ -20,13 +20,13 @@
 import edu.uci.ics.hyracks.storage.am.btree.impls.BTree;
 import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
 import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMDiskComponentFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFactory;
 import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
 import edu.uci.ics.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
 import edu.uci.ics.hyracks.storage.am.rtree.impls.RTree;
 import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
 
-public class LSMRTreeDiskComponentFactory implements ILSMDiskComponentFactory {
+public class LSMRTreeDiskComponentFactory implements ILSMComponentFactory {
     private final TreeIndexFactory<RTree> rtreeFactory;
     private final TreeIndexFactory<BTree> btreeFactory;
     private final BloomFilterFactory bloomFilterFactory;
diff --git a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMRTreeWithAntiMatterTuples.java b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMRTreeWithAntiMatterTuples.java
index 683d154..0996257 100644
--- a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMRTreeWithAntiMatterTuples.java
+++ b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMRTreeWithAntiMatterTuples.java
@@ -36,7 +36,7 @@
 import edu.uci.ics.hyracks.storage.am.common.ophelpers.IndexOperation;
 import edu.uci.ics.hyracks.storage.am.common.ophelpers.MultiComparator;
 import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMDiskComponentFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFactory;
 import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMHarness;
 import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
 import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback;
@@ -64,7 +64,7 @@
     // On-disk components.
     // For creating RTree's used in bulk load. Different from diskRTreeFactory
     // because it should have a different tuple writer in it's leaf frames.
-    private final ILSMDiskComponentFactory bulkLoaComponentFactory;
+    private final ILSMComponentFactory bulkLoaComponentFactory;
 
     public LSMRTreeWithAntiMatterTuples(List<IVirtualBufferCache> virtualBufferCaches,
             ITreeIndexFrameFactory rtreeInteriorFrameFactory, ITreeIndexFrameFactory rtreeLeafFrameFactory,
diff --git a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMRTreeWithAntiMatterTuplesDiskComponentFactory.java b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMRTreeWithAntiMatterTuplesDiskComponentFactory.java
index c0d1f95..fe253cc 100644
--- a/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMRTreeWithAntiMatterTuplesDiskComponentFactory.java
+++ b/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/rtree/impls/LSMRTreeWithAntiMatterTuplesDiskComponentFactory.java
@@ -17,13 +17,13 @@
 
 import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
 import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponent;
-import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMDiskComponentFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMComponentFactory;
 import edu.uci.ics.hyracks.storage.am.lsm.common.impls.LSMComponentFileReferences;
 import edu.uci.ics.hyracks.storage.am.lsm.common.impls.TreeIndexFactory;
 import edu.uci.ics.hyracks.storage.am.rtree.impls.RTree;
 import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache;
 
-public class LSMRTreeWithAntiMatterTuplesDiskComponentFactory implements ILSMDiskComponentFactory {
+public class LSMRTreeWithAntiMatterTuplesDiskComponentFactory implements ILSMComponentFactory {
     private final TreeIndexFactory<RTree> rtreeFactory;
 
     public LSMRTreeWithAntiMatterTuplesDiskComponentFactory(TreeIndexFactory<RTree> rtreeFactory) {