http://git-wip-us.apache.org/repos/asf/asterixdb/blob/ef9be0f9/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/ExternalRTreeDataflowHelperFactory.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/ExternalRTreeDataflowHelperFactory.java
 
b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/ExternalRTreeDataflowHelperFactory.java
index 70e0580..8eab50e 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/ExternalRTreeDataflowHelperFactory.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/ExternalRTreeDataflowHelperFactory.java
@@ -30,7 +30,7 @@ import 
org.apache.hyracks.storage.am.common.dataflow.IndexDataflowHelper;
 import 
org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
 import 
org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationSchedulerProvider;
 import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicyFactory;
-import 
org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
+import 
org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerFactory;
 import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
 
 public class ExternalRTreeDataflowHelperFactory extends 
LSMRTreeDataflowHelperFactory {
@@ -41,7 +41,7 @@ public class ExternalRTreeDataflowHelperFactory extends 
LSMRTreeDataflowHelperFa
     public ExternalRTreeDataflowHelperFactory(IPrimitiveValueProviderFactory[] 
valueProviderFactories,
             RTreePolicyType rtreePolicyType, IBinaryComparatorFactory[] 
btreeComparatorFactories,
             ILSMMergePolicyFactory mergePolicyFactory, Map<String, String> 
mergePolicyProperties,
-            ILSMOperationTrackerProvider opTrackerFactory, 
ILSMIOOperationSchedulerProvider ioSchedulerProvider,
+            ILSMOperationTrackerFactory opTrackerFactory, 
ILSMIOOperationSchedulerProvider ioSchedulerProvider,
             ILSMIOOperationCallbackFactory ioOpCallbackFactory, 
ILinearizeComparatorFactory linearizeCmpFactory,
             double bloomFilterFalsePositiveRate, int[] btreeFields, int 
version, boolean durable, boolean isPointMBR) {
         super(valueProviderFactories, rtreePolicyType, 
btreeComparatorFactories, null, mergePolicyFactory,

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/ef9be0f9/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/LSMRTreeDataflowHelper.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/LSMRTreeDataflowHelper.java
 
b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/LSMRTreeDataflowHelper.java
index c949737..3f69016 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/LSMRTreeDataflowHelper.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/LSMRTreeDataflowHelper.java
@@ -36,7 +36,7 @@ import 
org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFacto
 import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
 import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
 import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
-import 
org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
+import 
org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerFactory;
 import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
 import org.apache.hyracks.storage.am.lsm.rtree.utils.LSMRTreeUtils;
 import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
@@ -49,7 +49,7 @@ public class LSMRTreeDataflowHelper extends 
AbstractLSMRTreeDataflowHelper {
     public LSMRTreeDataflowHelper(IIndexOperatorDescriptor opDesc, 
IHyracksTaskContext ctx, int partition,
             List<IVirtualBufferCache> virtualBufferCaches, 
IBinaryComparatorFactory[] btreeComparatorFactories,
             IPrimitiveValueProviderFactory[] valueProviderFactories, 
RTreePolicyType rtreePolicyType,
-            ILSMMergePolicy mergePolicy, ILSMOperationTrackerProvider 
opTrackerFactory,
+            ILSMMergePolicy mergePolicy, ILSMOperationTrackerFactory 
opTrackerFactory,
             ILSMIOOperationScheduler ioScheduler, 
ILSMIOOperationCallbackFactory ioOpCallbackFactory,
             ILinearizeComparatorFactory linearizeCmpFactory, int[] 
rtreeFields, int[] btreeFields,
             ITypeTraits[] filterTypeTraits, IBinaryComparatorFactory[] 
filterCmpFactories, int[] filterFields,
@@ -64,7 +64,7 @@ public class LSMRTreeDataflowHelper extends 
AbstractLSMRTreeDataflowHelper {
             List<IVirtualBufferCache> virtualBufferCaches, double 
bloomFilterFalsePositiveRate,
             IBinaryComparatorFactory[] btreeComparatorFactories,
             IPrimitiveValueProviderFactory[] valueProviderFactories, 
RTreePolicyType rtreePolicyType,
-            ILSMMergePolicy mergePolicy, ILSMOperationTrackerProvider 
opTrackerFactory,
+            ILSMMergePolicy mergePolicy, ILSMOperationTrackerFactory 
opTrackerFactory,
             ILSMIOOperationScheduler ioScheduler, 
ILSMIOOperationCallbackFactory ioOpCallbackFactory,
             ILinearizeComparatorFactory linearizeCmpFactory, int[] 
rtreeFields, int[] btreeFields,
             ITypeTraits[] filterTypeTraits, IBinaryComparatorFactory[] 
filterCmpFactories, int[] filterFields,

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/ef9be0f9/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/LSMRTreeDataflowHelperFactory.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/LSMRTreeDataflowHelperFactory.java
 
b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/LSMRTreeDataflowHelperFactory.java
index ed0bd2e..93d9b54 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/LSMRTreeDataflowHelperFactory.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/LSMRTreeDataflowHelperFactory.java
@@ -32,7 +32,7 @@ import 
org.apache.hyracks.storage.am.common.dataflow.IndexDataflowHelper;
 import 
org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
 import 
org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationSchedulerProvider;
 import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicyFactory;
-import 
org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
+import 
org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerFactory;
 import 
org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCacheProvider;
 import 
org.apache.hyracks.storage.am.lsm.common.dataflow.AbstractLSMIndexDataflowHelperFactory;
 import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
@@ -52,7 +52,7 @@ public class LSMRTreeDataflowHelperFactory extends 
AbstractLSMIndexDataflowHelpe
     public LSMRTreeDataflowHelperFactory(IPrimitiveValueProviderFactory[] 
valueProviderFactories,
             RTreePolicyType rtreePolicyType, IBinaryComparatorFactory[] 
btreeComparatorFactories,
             IVirtualBufferCacheProvider virtualBufferCacheProvider, 
ILSMMergePolicyFactory mergePolicyFactory,
-            Map<String, String> mergePolicyProperties, 
ILSMOperationTrackerProvider opTrackerFactory,
+            Map<String, String> mergePolicyProperties, 
ILSMOperationTrackerFactory opTrackerFactory,
             ILSMIOOperationSchedulerProvider ioSchedulerProvider, 
ILSMIOOperationCallbackFactory ioOpCallbackFactory,
             ILinearizeComparatorFactory linearizeCmpFactory, double 
bloomFilterFalsePositiveRate, int[] rtreeFields,
             int[] btreeFields, ITypeTraits[] filterTypeTraits, 
IBinaryComparatorFactory[] filterCmpFactories,

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/ef9be0f9/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/LSMRTreeWithAntiMatterTuplesDataflowHelper.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/LSMRTreeWithAntiMatterTuplesDataflowHelper.java
 
b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/LSMRTreeWithAntiMatterTuplesDataflowHelper.java
index 116cb51..8a807c2 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/LSMRTreeWithAntiMatterTuplesDataflowHelper.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/LSMRTreeWithAntiMatterTuplesDataflowHelper.java
@@ -36,7 +36,7 @@ import 
org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFacto
 import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler;
 import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicy;
 import org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTracker;
-import 
org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
+import 
org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerFactory;
 import org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCache;
 import org.apache.hyracks.storage.am.lsm.rtree.utils.LSMRTreeUtils;
 import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
@@ -48,7 +48,7 @@ public class LSMRTreeWithAntiMatterTuplesDataflowHelper 
extends AbstractLSMRTree
             int partition, List<IVirtualBufferCache> virtualBufferCaches,
             IBinaryComparatorFactory[] btreeComparatorFactories,
             IPrimitiveValueProviderFactory[] valueProviderFactories, 
RTreePolicyType rtreePolicyType,
-            ILSMMergePolicy mergePolicy, ILSMOperationTrackerProvider 
opTrackerFactory,
+            ILSMMergePolicy mergePolicy, ILSMOperationTrackerFactory 
opTrackerFactory,
             ILSMIOOperationScheduler ioScheduler, 
ILSMIOOperationCallbackFactory ioOpCallbackFactory,
             ILinearizeComparatorFactory linearizeCmpFactory, int[] 
rtreeFields, ITypeTraits[] filterTypeTraits,
             IBinaryComparatorFactory[] filterCmpFactories, int[] filterFields, 
boolean durable, boolean isPointMBR)

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/ef9be0f9/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/LSMRTreeWithAntiMatterTuplesDataflowHelperFactory.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/LSMRTreeWithAntiMatterTuplesDataflowHelperFactory.java
 
b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/LSMRTreeWithAntiMatterTuplesDataflowHelperFactory.java
index 725c69a..297d82d 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/LSMRTreeWithAntiMatterTuplesDataflowHelperFactory.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/dataflow/LSMRTreeWithAntiMatterTuplesDataflowHelperFactory.java
@@ -32,7 +32,7 @@ import 
org.apache.hyracks.storage.am.common.dataflow.IndexDataflowHelper;
 import 
org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
 import 
org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationSchedulerProvider;
 import org.apache.hyracks.storage.am.lsm.common.api.ILSMMergePolicyFactory;
-import 
org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerProvider;
+import 
org.apache.hyracks.storage.am.lsm.common.api.ILSMOperationTrackerFactory;
 import 
org.apache.hyracks.storage.am.lsm.common.api.IVirtualBufferCacheProvider;
 import 
org.apache.hyracks.storage.am.lsm.common.dataflow.AbstractLSMIndexDataflowHelperFactory;
 import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;
@@ -51,7 +51,7 @@ public class 
LSMRTreeWithAntiMatterTuplesDataflowHelperFactory extends AbstractL
     public 
LSMRTreeWithAntiMatterTuplesDataflowHelperFactory(IPrimitiveValueProviderFactory[]
 valueProviderFactories,
             RTreePolicyType rtreePolicyType, IBinaryComparatorFactory[] 
btreeComparatorFactories,
             IVirtualBufferCacheProvider virtualBufferCacheProvider, 
ILSMMergePolicyFactory mergePolicyFactory,
-            Map<String, String> mergePolicyProperties, 
ILSMOperationTrackerProvider opTrackerFactory,
+            Map<String, String> mergePolicyProperties, 
ILSMOperationTrackerFactory opTrackerFactory,
             ILSMIOOperationSchedulerProvider ioSchedulerProvider, 
ILSMIOOperationCallbackFactory ioOpCallbackFactory,
             ILinearizeComparatorFactory linearizeCmpFactory, int[] 
rtreeFields, ITypeTraits[] filterTypeTraits,
             IBinaryComparatorFactory[] filterCmpFactories, int[] filterFields, 
boolean durable, boolean isPointMBR) {

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/ef9be0f9/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/dataflow/RTreeSearchOperatorDescriptor.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/dataflow/RTreeSearchOperatorDescriptor.java
 
b/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/dataflow/RTreeSearchOperatorDescriptor.java
index 32c85e6..fad00ca 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/dataflow/RTreeSearchOperatorDescriptor.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/dataflow/RTreeSearchOperatorDescriptor.java
@@ -35,7 +35,7 @@ import 
org.apache.hyracks.storage.am.common.api.ISearchOperationCallbackFactory;
 import 
org.apache.hyracks.storage.am.common.dataflow.AbstractTreeIndexOperatorDescriptor;
 import 
org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
 import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
-import org.apache.hyracks.storage.common.IStorageManagerInterface;
+import org.apache.hyracks.storage.common.IStorageManager;
 import org.apache.hyracks.storage.common.file.NoOpLocalResourceFactoryProvider;
 
 public class RTreeSearchOperatorDescriptor extends 
AbstractTreeIndexOperatorDescriptor {
@@ -47,7 +47,7 @@ public class RTreeSearchOperatorDescriptor extends 
AbstractTreeIndexOperatorDesc
     protected final int[] maxFilterFieldIndexes;
 
     public RTreeSearchOperatorDescriptor(IOperatorDescriptorRegistry spec, 
RecordDescriptor recDesc,
-            IStorageManagerInterface storageManager, 
IIndexLifecycleManagerProvider lifecycleManagerProvider,
+            IStorageManager storageManager, IIndexLifecycleManagerProvider 
lifecycleManagerProvider,
             IFileSplitProvider fileSplitProvider, ITypeTraits[] typeTraits,
             IBinaryComparatorFactory[] comparatorFactories, int[] keyFields,
             IIndexDataflowHelperFactory dataflowHelperFactory, boolean 
retainInput, boolean retainNull,

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/ef9be0f9/hyracks-fullstack/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/IStorageManager.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/IStorageManager.java
 
b/hyracks-fullstack/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/IStorageManager.java
new file mode 100644
index 0000000..24cf557
--- /dev/null
+++ 
b/hyracks-fullstack/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/IStorageManager.java
@@ -0,0 +1,60 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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 at
+ *
+ *   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 org.apache.hyracks.storage.common;
+
+import java.io.Serializable;
+
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.storage.common.file.ILocalResourceRepository;
+import org.apache.hyracks.storage.common.file.IResourceIdFactory;
+
+/**
+ * Provides storage components during hyracks tasks execution
+ */
+public interface IStorageManager extends Serializable {
+    /**
+     * @param ctx
+     *            hyracks task context
+     * @return the disk buffer cache {@link 
org.apache.hyracks.storage.common.buffercache.IBufferCache}
+     */
+    IBufferCache getBufferCache(IHyracksTaskContext ctx);
+
+    /**
+     * @param ctx
+     *            the task context
+     * @return the file map provider {@link 
org.apache.hyracks.storage.common.file.IFileMapProvider}
+     */
+    IFileMapProvider getFileMapProvider(IHyracksTaskContext ctx);
+
+    /**
+     * @param ctx
+     *            the task context
+     * @return the local resource repository {@link 
org.apache.hyracks.storage.common.file.ILocalResourceRepository}
+     */
+    ILocalResourceRepository getLocalResourceRepository(IHyracksTaskContext 
ctx);
+
+    /**
+     * @param ctx
+     *            the task context
+     * @return the resource id factory {@link 
org.apache.hyracks.storage.common.file.IResourceIdFactory}
+     */
+    IResourceIdFactory getResourceIdFactory(IHyracksTaskContext ctx);
+}

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/ef9be0f9/hyracks-fullstack/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/IStorageManagerInterface.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/IStorageManagerInterface.java
 
b/hyracks-fullstack/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/IStorageManagerInterface.java
deleted file mode 100644
index c1bdeab..0000000
--- 
a/hyracks-fullstack/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/IStorageManagerInterface.java
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you 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 at
- *
- *   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 org.apache.hyracks.storage.common;
-
-import java.io.Serializable;
-
-import org.apache.hyracks.api.context.IHyracksTaskContext;
-import org.apache.hyracks.storage.common.buffercache.IBufferCache;
-import org.apache.hyracks.storage.common.file.IFileMapProvider;
-import org.apache.hyracks.storage.common.file.ILocalResourceRepository;
-import org.apache.hyracks.storage.common.file.IResourceIdFactory;
-
-public interface IStorageManagerInterface extends Serializable {
-    public IBufferCache getBufferCache(IHyracksTaskContext ctx);
-
-    public IFileMapProvider getFileMapProvider(IHyracksTaskContext ctx);
-
-    public ILocalResourceRepository 
getLocalResourceRepository(IHyracksTaskContext ctx);
-
-    public IResourceIdFactory getResourceIdFactory(IHyracksTaskContext ctx);
-}

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/ef9be0f9/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/AbstractModificationOperationCallbackTest.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/AbstractModificationOperationCallbackTest.java
 
b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/AbstractModificationOperationCallbackTest.java
index a9b2e1f..6da9334 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/AbstractModificationOperationCallbackTest.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/AbstractModificationOperationCallbackTest.java
@@ -22,7 +22,7 @@ import org.apache.hyracks.api.exceptions.HyracksDataException;
 import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
 import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
 import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
-import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.dataflow.common.utils.TupleUtils;
 import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
 import org.apache.hyracks.storage.am.common.api.IModificationOperationCallback;
 import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/ef9be0f9/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/AbstractOperationCallbackTest.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/AbstractOperationCallbackTest.java
 
b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/AbstractOperationCallbackTest.java
index 2fb52c9..831dafa 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/AbstractOperationCallbackTest.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/AbstractOperationCallbackTest.java
@@ -20,7 +20,7 @@ package org.apache.hyracks.storage.am.btree;
 
 import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
 import 
org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import org.apache.hyracks.dataflow.common.util.SerdeUtils;
+import org.apache.hyracks.dataflow.common.utils.SerdeUtils;
 import org.apache.hyracks.storage.am.common.api.IIndex;
 import org.apache.hyracks.storage.am.common.ophelpers.MultiComparator;
 

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/ef9be0f9/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/AbstractSearchOperationCallbackTest.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/AbstractSearchOperationCallbackTest.java
 
b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/AbstractSearchOperationCallbackTest.java
index 20a2c0f..2bb357a 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/AbstractSearchOperationCallbackTest.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/AbstractSearchOperationCallbackTest.java
@@ -30,7 +30,7 @@ import org.apache.hyracks.api.exceptions.HyracksDataException;
 import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
 import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
 import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
-import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.dataflow.common.utils.TupleUtils;
 import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
 import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
 import org.apache.hyracks.storage.am.common.api.IIndexCursor;

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/ef9be0f9/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexExamplesTest.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexExamplesTest.java
 
b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexExamplesTest.java
index 6225697..8988605 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexExamplesTest.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexExamplesTest.java
@@ -37,7 +37,7 @@ import 
org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
 import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
 import 
org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
 import 
org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.dataflow.common.utils.TupleUtils;
 import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
 import org.apache.hyracks.storage.am.btree.util.BTreeUtils;
 import org.apache.hyracks.storage.am.common.TestOperationCallback;

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/ef9be0f9/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexMultiThreadTest.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexMultiThreadTest.java
 
b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexMultiThreadTest.java
index 95c3448..b9c0286 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexMultiThreadTest.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexMultiThreadTest.java
@@ -29,7 +29,7 @@ import org.apache.hyracks.api.dataflow.value.ITypeTraits;
 import org.apache.hyracks.api.exceptions.HyracksDataException;
 import 
org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
 import 
org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import org.apache.hyracks.dataflow.common.util.SerdeUtils;
+import org.apache.hyracks.dataflow.common.utils.SerdeUtils;
 import org.apache.hyracks.storage.am.common.IIndexTestWorkerFactory;
 import org.apache.hyracks.storage.am.common.IndexMultiThreadTestDriver;
 import org.apache.hyracks.storage.am.common.TestWorkloadConf;

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/ef9be0f9/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexTestDriver.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexTestDriver.java
 
b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexTestDriver.java
index b1e8a8c..3aab8ef 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexTestDriver.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexTestDriver.java
@@ -29,7 +29,7 @@ import 
org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
 import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
 import 
org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
 import 
org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.dataflow.common.utils.TupleUtils;
 import org.apache.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
 import org.apache.hyracks.storage.am.config.AccessMethodTestsConfig;
 

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/ef9be0f9/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexTestUtils.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexTestUtils.java
 
b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexTestUtils.java
index 40b9f05..2a16ebe 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexTestUtils.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/btree/OrderedIndexTestUtils.java
@@ -38,7 +38,7 @@ import 
org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
 import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
 import 
org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
 import 
org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.dataflow.common.utils.TupleUtils;
 import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
 import org.apache.hyracks.storage.am.btree.util.BTreeUtils;
 import org.apache.hyracks.storage.am.common.CheckTuple;

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/ef9be0f9/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/TreeIndexTestUtils.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/TreeIndexTestUtils.java
 
b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/TreeIndexTestUtils.java
index 464291a..94c0ab4 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/TreeIndexTestUtils.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/common/TreeIndexTestUtils.java
@@ -36,7 +36,7 @@ import org.apache.hyracks.api.exceptions.HyracksDataException;
 import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
 import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
 import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
-import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.dataflow.common.utils.TupleUtils;
 import org.apache.hyracks.storage.am.common.api.IIndexBulkLoader;
 import org.apache.hyracks.storage.am.common.api.ISearchPredicate;
 import org.apache.hyracks.storage.am.common.api.ITreeIndexAccessor;

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/ef9be0f9/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeExamplesTest.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeExamplesTest.java
 
b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeExamplesTest.java
index d4470fe..ba55a1d 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeExamplesTest.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeExamplesTest.java
@@ -37,7 +37,7 @@ import 
org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
 import 
org.apache.hyracks.dataflow.common.data.marshalling.DoubleSerializerDeserializer;
 import 
org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
 import 
org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.dataflow.common.utils.TupleUtils;
 import org.apache.hyracks.storage.am.common.TestOperationCallback;
 import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
 import org.apache.hyracks.storage.am.common.api.IIndexBulkLoader;

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/ef9be0f9/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeMultiThreadTest.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeMultiThreadTest.java
 
b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeMultiThreadTest.java
index 27d7aa8..d6f07d9 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeMultiThreadTest.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeMultiThreadTest.java
@@ -31,7 +31,7 @@ import org.apache.hyracks.data.std.primitive.DoublePointable;
 import org.apache.hyracks.data.std.primitive.IntegerPointable;
 import 
org.apache.hyracks.dataflow.common.data.marshalling.DoubleSerializerDeserializer;
 import 
org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import org.apache.hyracks.dataflow.common.util.SerdeUtils;
+import org.apache.hyracks.dataflow.common.utils.SerdeUtils;
 import org.apache.hyracks.storage.am.common.IIndexTestWorkerFactory;
 import org.apache.hyracks.storage.am.common.IndexMultiThreadTestDriver;
 import org.apache.hyracks.storage.am.common.TestWorkloadConf;

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/ef9be0f9/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeTestDriver.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeTestDriver.java
 
b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeTestDriver.java
index 7e56455..87f70fd 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeTestDriver.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/AbstractRTreeTestDriver.java
@@ -31,7 +31,7 @@ import org.apache.hyracks.data.std.primitive.IntegerPointable;
 import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
 import 
org.apache.hyracks.dataflow.common.data.marshalling.DoubleSerializerDeserializer;
 import 
org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.dataflow.common.utils.TupleUtils;
 import org.apache.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory;
 import org.apache.hyracks.storage.am.config.AccessMethodTestsConfig;
 import org.apache.hyracks.storage.am.rtree.frames.RTreePolicyType;

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/ef9be0f9/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/RTreeTestUtils.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/RTreeTestUtils.java
 
b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/RTreeTestUtils.java
index 824d925..13a4fcb 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/RTreeTestUtils.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/storage/am/rtree/RTreeTestUtils.java
@@ -31,7 +31,7 @@ import 
org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
 import org.apache.hyracks.api.exceptions.HyracksDataException;
 import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
 import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
-import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.dataflow.common.utils.TupleUtils;
 import org.apache.hyracks.storage.am.common.CheckTuple;
 import org.apache.hyracks.storage.am.common.IIndexTestContext;
 import org.apache.hyracks.storage.am.common.TreeIndexTestUtils;

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/ef9be0f9/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestStorageManager.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestStorageManager.java
 
b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestStorageManager.java
new file mode 100644
index 0000000..14ce345
--- /dev/null
+++ 
b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestStorageManager.java
@@ -0,0 +1,50 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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 at
+ *
+ *   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 org.apache.hyracks.test.support;
+
+import org.apache.hyracks.api.context.IHyracksTaskContext;
+import org.apache.hyracks.storage.common.IStorageManager;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.file.IFileMapProvider;
+import org.apache.hyracks.storage.common.file.ILocalResourceRepository;
+import org.apache.hyracks.storage.common.file.ResourceIdFactory;
+
+public class TestStorageManager implements IStorageManager {
+    private static final long serialVersionUID = 1L;
+
+    @Override
+    public IBufferCache getBufferCache(IHyracksTaskContext ctx) {
+        return TestStorageManagerComponentHolder.getBufferCache(ctx);
+    }
+
+    @Override
+    public IFileMapProvider getFileMapProvider(IHyracksTaskContext ctx) {
+        return TestStorageManagerComponentHolder.getFileMapProvider(ctx);
+    }
+
+    @Override
+    public ILocalResourceRepository 
getLocalResourceRepository(IHyracksTaskContext ctx) {
+        return 
TestStorageManagerComponentHolder.getLocalResourceRepository(ctx);
+    }
+
+    @Override
+    public ResourceIdFactory getResourceIdFactory(IHyracksTaskContext ctx) {
+        return TestStorageManagerComponentHolder.getResourceIdFactory(ctx);
+    }
+}

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/ef9be0f9/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestStorageManagerComponentHolder.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestStorageManagerComponentHolder.java
 
b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestStorageManagerComponentHolder.java
index cf59ada..259f737 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestStorageManagerComponentHolder.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestStorageManagerComponentHolder.java
@@ -58,7 +58,7 @@ public class TestStorageManagerComponentHolder {
     private static IResourceLifecycleManager<IIndex> lcManager;
     private static ResourceIdFactory resourceIdFactory;
     private static IMetadataPageManagerFactory metadataPageManagerFactory =
-            new AppendOnlyLinkedMetadataPageManagerFactory();
+            AppendOnlyLinkedMetadataPageManagerFactory.INSTANCE;
     private static int pageSize;
     private static int numPages;
     private static int maxOpenFiles;

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/ef9be0f9/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestStorageManagerInterface.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestStorageManagerInterface.java
 
b/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestStorageManagerInterface.java
deleted file mode 100644
index 885ff9b..0000000
--- 
a/hyracks-fullstack/hyracks/hyracks-test-support/src/main/java/org/apache/hyracks/test/support/TestStorageManagerInterface.java
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you 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 at
- *
- *   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 org.apache.hyracks.test.support;
-
-import org.apache.hyracks.api.context.IHyracksTaskContext;
-import org.apache.hyracks.storage.common.IStorageManagerInterface;
-import org.apache.hyracks.storage.common.buffercache.IBufferCache;
-import org.apache.hyracks.storage.common.file.IFileMapProvider;
-import org.apache.hyracks.storage.common.file.ILocalResourceRepository;
-import org.apache.hyracks.storage.common.file.ResourceIdFactory;
-
-public class TestStorageManagerInterface implements IStorageManagerInterface {
-    private static final long serialVersionUID = 1L;
-
-    @Override
-    public IBufferCache getBufferCache(IHyracksTaskContext ctx) {
-        return TestStorageManagerComponentHolder.getBufferCache(ctx);
-    }
-
-    @Override
-    public IFileMapProvider getFileMapProvider(IHyracksTaskContext ctx) {
-        return TestStorageManagerComponentHolder.getFileMapProvider(ctx);
-    }
-
-    @Override
-    public ILocalResourceRepository 
getLocalResourceRepository(IHyracksTaskContext ctx) {
-        return 
TestStorageManagerComponentHolder.getLocalResourceRepository(ctx);
-    }
-
-    @Override
-    public ResourceIdFactory getResourceIdFactory(IHyracksTaskContext ctx) {
-        return TestStorageManagerComponentHolder.getResourceIdFactory(ctx);
-    }
-}

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/ef9be0f9/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-bloomfilter-test/src/test/java/org/apache/hyracks/storage/am/bloomfilter/BloomFilterTest.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-bloomfilter-test/src/test/java/org/apache/hyracks/storage/am/bloomfilter/BloomFilterTest.java
 
b/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-bloomfilter-test/src/test/java/org/apache/hyracks/storage/am/bloomfilter/BloomFilterTest.java
index 4f57f19..afcc6c2 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-bloomfilter-test/src/test/java/org/apache/hyracks/storage/am/bloomfilter/BloomFilterTest.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-bloomfilter-test/src/test/java/org/apache/hyracks/storage/am/bloomfilter/BloomFilterTest.java
@@ -30,7 +30,7 @@ import 
org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
 import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
 import 
org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
 import 
org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.dataflow.common.utils.TupleUtils;
 import org.apache.hyracks.storage.am.bloomfilter.impls.BloomCalculations;
 import org.apache.hyracks.storage.am.bloomfilter.impls.BloomFilter;
 import 
org.apache.hyracks.storage.am.bloomfilter.impls.BloomFilterSpecification;

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/ef9be0f9/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-bloomfilter-test/src/test/java/org/apache/hyracks/storage/am/bloomfilter/MurmurHashForITupleReferenceTest.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-bloomfilter-test/src/test/java/org/apache/hyracks/storage/am/bloomfilter/MurmurHashForITupleReferenceTest.java
 
b/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-bloomfilter-test/src/test/java/org/apache/hyracks/storage/am/bloomfilter/MurmurHashForITupleReferenceTest.java
index 3284f8d..9d1b9be 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-bloomfilter-test/src/test/java/org/apache/hyracks/storage/am/bloomfilter/MurmurHashForITupleReferenceTest.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-bloomfilter-test/src/test/java/org/apache/hyracks/storage/am/bloomfilter/MurmurHashForITupleReferenceTest.java
@@ -33,7 +33,7 @@ import 
org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
 import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
 import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
 import 
org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
-import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.dataflow.common.utils.TupleUtils;
 import org.apache.hyracks.storage.am.bloomfilter.impls.MurmurHash128Bit;
 import org.apache.hyracks.storage.am.bloomfilter.util.AbstractBloomFilterTest;
 

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/ef9be0f9/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeModificationOperationCallbackTest.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeModificationOperationCallbackTest.java
 
b/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeModificationOperationCallbackTest.java
index 313510d..defb0bf 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeModificationOperationCallbackTest.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeModificationOperationCallbackTest.java
@@ -18,7 +18,7 @@
  */
 package org.apache.hyracks.storage.am.btree;
 
-import org.apache.hyracks.dataflow.common.util.SerdeUtils;
+import org.apache.hyracks.dataflow.common.utils.SerdeUtils;
 import org.apache.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
 import org.apache.hyracks.storage.am.btree.util.BTreeTestHarness;
 import org.apache.hyracks.storage.am.btree.util.BTreeUtils;

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/ef9be0f9/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeSearchCursorTest.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeSearchCursorTest.java
 
b/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeSearchCursorTest.java
index b880a01..3f71dd9 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeSearchCursorTest.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeSearchCursorTest.java
@@ -44,7 +44,7 @@ import 
org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
 import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
 import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
 import 
org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.dataflow.common.utils.TupleUtils;
 import org.apache.hyracks.storage.am.btree.api.IBTreeInteriorFrame;
 import org.apache.hyracks.storage.am.btree.api.IBTreeLeafFrame;
 import org.apache.hyracks.storage.am.btree.exceptions.BTreeException;

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/ef9be0f9/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeSearchOperationCallbackTest.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeSearchOperationCallbackTest.java
 
b/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeSearchOperationCallbackTest.java
index 797ee49..c9248a6 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeSearchOperationCallbackTest.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeSearchOperationCallbackTest.java
@@ -18,7 +18,7 @@
  */
 package org.apache.hyracks.storage.am.btree;
 
-import org.apache.hyracks.dataflow.common.util.SerdeUtils;
+import org.apache.hyracks.dataflow.common.utils.SerdeUtils;
 import org.apache.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
 import org.apache.hyracks.storage.am.btree.util.BTreeTestHarness;
 import org.apache.hyracks.storage.am.btree.util.BTreeUtils;

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/ef9be0f9/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeUpdateSearchTest.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeUpdateSearchTest.java
 
b/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeUpdateSearchTest.java
index 493a7ab..8fc5a09 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeUpdateSearchTest.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/BTreeUpdateSearchTest.java
@@ -34,7 +34,7 @@ import 
org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
 import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
 import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
 import 
org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.dataflow.common.utils.TupleUtils;
 import org.apache.hyracks.storage.am.btree.api.IBTreeLeafFrame;
 import org.apache.hyracks.storage.am.btree.frames.BTreeNSMInteriorFrameFactory;
 import org.apache.hyracks.storage.am.btree.frames.BTreeNSMLeafFrameFactory;

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/ef9be0f9/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/StorageFileAccessTest.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/StorageFileAccessTest.java
 
b/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/StorageFileAccessTest.java
new file mode 100644
index 0000000..d62d0ad
--- /dev/null
+++ 
b/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/StorageFileAccessTest.java
@@ -0,0 +1,271 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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 at
+ *
+ *   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 org.apache.hyracks.storage.am.btree;
+
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Random;
+import java.util.logging.Level;
+
+import org.junit.Test;
+
+import org.apache.hyracks.api.exceptions.HyracksDataException;
+import org.apache.hyracks.storage.am.btree.util.AbstractBTreeTest;
+import org.apache.hyracks.storage.common.buffercache.IBufferCache;
+import org.apache.hyracks.storage.common.buffercache.ICachedPage;
+import org.apache.hyracks.storage.common.file.BufferedFileHandle;
+import org.apache.hyracks.storage.common.sync.LatchType;
+
+public class StorageFileAccessTest extends AbstractBTreeTest {
+    public class PinnedLatchedPage {
+        public final ICachedPage page;
+        public final LatchType latch;
+        public final int pageId;
+
+        public PinnedLatchedPage(ICachedPage page, int pageId, LatchType 
latch) {
+            this.page = page;
+            this.pageId = pageId;
+            this.latch = latch;
+        }
+    }
+
+    public enum FileAccessType {
+        FTA_READONLY,
+        FTA_WRITEONLY,
+        FTA_MIXED,
+        FTA_UNLATCHED
+    }
+
+    public class FileAccessWorker implements Runnable {
+        private int workerId;
+        private final IBufferCache bufferCache;
+        private final int maxPages;
+        private final int fileId;
+        private final long thinkTime;
+        private final int maxLoopCount;
+        private final int maxPinnedPages;
+        private final int closeFileChance;
+        private final FileAccessType fta;
+        private int loopCount = 0;
+        private boolean fileIsOpen = false;
+        private Random rnd = new Random(50);
+        private List<PinnedLatchedPage> pinnedPages = new 
LinkedList<PinnedLatchedPage>();
+
+        public FileAccessWorker(int workerId, IBufferCache bufferCache, 
FileAccessType fta, int fileId, int maxPages,
+                int maxPinnedPages, int maxLoopCount, int closeFileChance, 
long thinkTime) {
+            this.bufferCache = bufferCache;
+            this.fileId = fileId;
+            this.maxPages = maxPages;
+            this.maxLoopCount = maxLoopCount;
+            this.maxPinnedPages = maxPinnedPages;
+            this.thinkTime = thinkTime;
+            this.closeFileChance = closeFileChance;
+            this.workerId = workerId;
+            this.fta = fta;
+        }
+
+        private void pinRandomPage() {
+            int pageId = Math.abs(rnd.nextInt() % maxPages);
+
+            if (LOGGER.isLoggable(Level.INFO)) {
+                LOGGER.info(workerId + " PINNING PAGE: " + pageId);
+            }
+
+            try {
+                ICachedPage page = 
bufferCache.pin(BufferedFileHandle.getDiskPageId(fileId, pageId), false);
+                LatchType latch = null;
+
+                switch (fta) {
+
+                    case FTA_UNLATCHED: {
+                        latch = null;
+                    }
+                        break;
+
+                    case FTA_READONLY: {
+                        if (LOGGER.isLoggable(Level.INFO)) {
+                            LOGGER.info(workerId + " S LATCHING: " + pageId);
+                        }
+                        page.acquireReadLatch();
+                        latch = LatchType.LATCH_S;
+                    }
+                        break;
+
+                    case FTA_WRITEONLY: {
+                        if (LOGGER.isLoggable(Level.INFO)) {
+                            LOGGER.info(workerId + " X LATCHING: " + pageId);
+                        }
+                        page.acquireWriteLatch();
+                        latch = LatchType.LATCH_X;
+                    }
+                        break;
+
+                    case FTA_MIXED: {
+                        if (rnd.nextInt() % 2 == 0) {
+                            if (LOGGER.isLoggable(Level.INFO)) {
+                                LOGGER.info(workerId + " S LATCHING: " + 
pageId);
+                            }
+                            page.acquireReadLatch();
+                            latch = LatchType.LATCH_S;
+                        } else {
+                            if (LOGGER.isLoggable(Level.INFO)) {
+                                LOGGER.info(workerId + " X LATCHING: " + 
pageId);
+                            }
+                            page.acquireWriteLatch();
+                            latch = LatchType.LATCH_X;
+                        }
+                    }
+                        break;
+
+                }
+
+                PinnedLatchedPage plPage = new PinnedLatchedPage(page, pageId, 
latch);
+                pinnedPages.add(plPage);
+            } catch (HyracksDataException e) {
+                e.printStackTrace();
+            }
+        }
+
+        private void unpinRandomPage() {
+            int index = Math.abs(rnd.nextInt() % pinnedPages.size());
+            try {
+                PinnedLatchedPage plPage = pinnedPages.get(index);
+
+                if (plPage.latch != null) {
+                    if (plPage.latch == LatchType.LATCH_S) {
+                        if (LOGGER.isLoggable(Level.INFO)) {
+                            LOGGER.info(workerId + " S UNLATCHING: " + 
plPage.pageId);
+                        }
+                        plPage.page.releaseReadLatch();
+                    } else {
+                        if (LOGGER.isLoggable(Level.INFO)) {
+                            LOGGER.info(workerId + " X UNLATCHING: " + 
plPage.pageId);
+                        }
+                        plPage.page.releaseWriteLatch(true);
+                    }
+                }
+                if (LOGGER.isLoggable(Level.INFO)) {
+                    LOGGER.info(workerId + " UNPINNING PAGE: " + 
plPage.pageId);
+                }
+
+                bufferCache.unpin(plPage.page);
+                pinnedPages.remove(index);
+            } catch (HyracksDataException e) {
+                e.printStackTrace();
+            }
+        }
+
+        private void openFile() {
+            if (LOGGER.isLoggable(Level.INFO)) {
+                LOGGER.info(workerId + " OPENING FILE: " + fileId);
+            }
+            try {
+                bufferCache.openFile(fileId);
+                fileIsOpen = true;
+            } catch (HyracksDataException e) {
+                e.printStackTrace();
+            }
+        }
+
+        private void closeFile() {
+            if (LOGGER.isLoggable(Level.INFO)) {
+                LOGGER.info(workerId + " CLOSING FILE: " + fileId);
+            }
+            try {
+                bufferCache.closeFile(fileId);
+                fileIsOpen = false;
+            } catch (HyracksDataException e) {
+                e.printStackTrace();
+            }
+        }
+
+        @Override
+        public void run() {
+
+            openFile();
+
+            while (loopCount < maxLoopCount) {
+                loopCount++;
+
+                if (LOGGER.isLoggable(Level.INFO)) {
+                    LOGGER.info(workerId + " LOOP: " + loopCount + "/" + 
maxLoopCount);
+                }
+
+                if (fileIsOpen) {
+
+                    // pin some pages
+                    int pagesToPin = Math.abs(rnd.nextInt()) % (maxPinnedPages 
- pinnedPages.size());
+                    for (int i = 0; i < pagesToPin; i++) {
+                        pinRandomPage();
+                    }
+
+                    // do some thinking
+                    try {
+                        Thread.sleep(thinkTime);
+                    } catch (InterruptedException e) {
+                        e.printStackTrace();
+                    }
+
+                    // unpin some pages
+                    if (!pinnedPages.isEmpty()) {
+                        int pagesToUnpin = Math.abs(rnd.nextInt()) % 
pinnedPages.size();
+                        for (int i = 0; i < pagesToUnpin; i++) {
+                            unpinRandomPage();
+                        }
+                    }
+
+                    // possibly close file
+                    int closeFileCheck = Math.abs(rnd.nextInt()) % 
closeFileChance;
+                    if (pinnedPages.isEmpty() || closeFileCheck == 0) {
+                        int numPinnedPages = pinnedPages.size();
+                        for (int i = 0; i < numPinnedPages; i++) {
+                            unpinRandomPage();
+                        }
+                        closeFile();
+                    }
+                } else {
+                    openFile();
+                }
+            }
+
+            if (fileIsOpen) {
+                int numPinnedPages = pinnedPages.size();
+                for (int i = 0; i < numPinnedPages; i++) {
+                    unpinRandomPage();
+                }
+                closeFile();
+            }
+        }
+    }
+
+    @Test
+    public void oneThreadOneFileTest() throws Exception {
+        IBufferCache bufferCache = harness.getBufferCache();
+        bufferCache.createFile(harness.getFileReference());
+        int btreeFileId = 
harness.getFileMapProvider().lookupFileId(harness.getFileReference());
+        bufferCache.openFile(btreeFileId);
+        Thread worker = new Thread(new FileAccessWorker(0, 
harness.getBufferCache(), FileAccessType.FTA_UNLATCHED,
+                btreeFileId, 10, 10, 100, 10, 0));
+        worker.start();
+        worker.join();
+        bufferCache.closeFile(btreeFileId);
+        bufferCache.close();
+    }
+}

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/ef9be0f9/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/StorageManagerTest.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/StorageManagerTest.java
 
b/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/StorageManagerTest.java
deleted file mode 100644
index 01863ca..0000000
--- 
a/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/StorageManagerTest.java
+++ /dev/null
@@ -1,271 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you 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 at
- *
- *   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 org.apache.hyracks.storage.am.btree;
-
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Random;
-import java.util.logging.Level;
-
-import org.junit.Test;
-
-import org.apache.hyracks.api.exceptions.HyracksDataException;
-import org.apache.hyracks.storage.am.btree.util.AbstractBTreeTest;
-import org.apache.hyracks.storage.common.buffercache.IBufferCache;
-import org.apache.hyracks.storage.common.buffercache.ICachedPage;
-import org.apache.hyracks.storage.common.file.BufferedFileHandle;
-import org.apache.hyracks.storage.common.sync.LatchType;
-
-public class StorageManagerTest extends AbstractBTreeTest {
-    public class PinnedLatchedPage {
-        public final ICachedPage page;
-        public final LatchType latch;
-        public final int pageId;
-
-        public PinnedLatchedPage(ICachedPage page, int pageId, LatchType 
latch) {
-            this.page = page;
-            this.pageId = pageId;
-            this.latch = latch;
-        }
-    }
-
-    public enum FileAccessType {
-        FTA_READONLY,
-        FTA_WRITEONLY,
-        FTA_MIXED,
-        FTA_UNLATCHED
-    }
-
-    public class FileAccessWorker implements Runnable {
-        private int workerId;
-        private final IBufferCache bufferCache;
-        private final int maxPages;
-        private final int fileId;
-        private final long thinkTime;
-        private final int maxLoopCount;
-        private final int maxPinnedPages;
-        private final int closeFileChance;
-        private final FileAccessType fta;
-        private int loopCount = 0;
-        private boolean fileIsOpen = false;
-        private Random rnd = new Random(50);
-        private List<PinnedLatchedPage> pinnedPages = new 
LinkedList<PinnedLatchedPage>();
-
-        public FileAccessWorker(int workerId, IBufferCache bufferCache, 
FileAccessType fta, int fileId, int maxPages,
-                int maxPinnedPages, int maxLoopCount, int closeFileChance, 
long thinkTime) {
-            this.bufferCache = bufferCache;
-            this.fileId = fileId;
-            this.maxPages = maxPages;
-            this.maxLoopCount = maxLoopCount;
-            this.maxPinnedPages = maxPinnedPages;
-            this.thinkTime = thinkTime;
-            this.closeFileChance = closeFileChance;
-            this.workerId = workerId;
-            this.fta = fta;
-        }
-
-        private void pinRandomPage() {
-            int pageId = Math.abs(rnd.nextInt() % maxPages);
-
-            if (LOGGER.isLoggable(Level.INFO)) {
-                LOGGER.info(workerId + " PINNING PAGE: " + pageId);
-            }
-
-            try {
-                ICachedPage page = 
bufferCache.pin(BufferedFileHandle.getDiskPageId(fileId, pageId), false);
-                LatchType latch = null;
-
-                switch (fta) {
-
-                    case FTA_UNLATCHED: {
-                        latch = null;
-                    }
-                        break;
-
-                    case FTA_READONLY: {
-                        if (LOGGER.isLoggable(Level.INFO)) {
-                            LOGGER.info(workerId + " S LATCHING: " + pageId);
-                        }
-                        page.acquireReadLatch();
-                        latch = LatchType.LATCH_S;
-                    }
-                        break;
-
-                    case FTA_WRITEONLY: {
-                        if (LOGGER.isLoggable(Level.INFO)) {
-                            LOGGER.info(workerId + " X LATCHING: " + pageId);
-                        }
-                        page.acquireWriteLatch();
-                        latch = LatchType.LATCH_X;
-                    }
-                        break;
-
-                    case FTA_MIXED: {
-                        if (rnd.nextInt() % 2 == 0) {
-                            if (LOGGER.isLoggable(Level.INFO)) {
-                                LOGGER.info(workerId + " S LATCHING: " + 
pageId);
-                            }
-                            page.acquireReadLatch();
-                            latch = LatchType.LATCH_S;
-                        } else {
-                            if (LOGGER.isLoggable(Level.INFO)) {
-                                LOGGER.info(workerId + " X LATCHING: " + 
pageId);
-                            }
-                            page.acquireWriteLatch();
-                            latch = LatchType.LATCH_X;
-                        }
-                    }
-                        break;
-
-                }
-
-                PinnedLatchedPage plPage = new PinnedLatchedPage(page, pageId, 
latch);
-                pinnedPages.add(plPage);
-            } catch (HyracksDataException e) {
-                e.printStackTrace();
-            }
-        }
-
-        private void unpinRandomPage() {
-            int index = Math.abs(rnd.nextInt() % pinnedPages.size());
-            try {
-                PinnedLatchedPage plPage = pinnedPages.get(index);
-
-                if (plPage.latch != null) {
-                    if (plPage.latch == LatchType.LATCH_S) {
-                        if (LOGGER.isLoggable(Level.INFO)) {
-                            LOGGER.info(workerId + " S UNLATCHING: " + 
plPage.pageId);
-                        }
-                        plPage.page.releaseReadLatch();
-                    } else {
-                        if (LOGGER.isLoggable(Level.INFO)) {
-                            LOGGER.info(workerId + " X UNLATCHING: " + 
plPage.pageId);
-                        }
-                        plPage.page.releaseWriteLatch(true);
-                    }
-                }
-                if (LOGGER.isLoggable(Level.INFO)) {
-                    LOGGER.info(workerId + " UNPINNING PAGE: " + 
plPage.pageId);
-                }
-
-                bufferCache.unpin(plPage.page);
-                pinnedPages.remove(index);
-            } catch (HyracksDataException e) {
-                e.printStackTrace();
-            }
-        }
-
-        private void openFile() {
-            if (LOGGER.isLoggable(Level.INFO)) {
-                LOGGER.info(workerId + " OPENING FILE: " + fileId);
-            }
-            try {
-                bufferCache.openFile(fileId);
-                fileIsOpen = true;
-            } catch (HyracksDataException e) {
-                e.printStackTrace();
-            }
-        }
-
-        private void closeFile() {
-            if (LOGGER.isLoggable(Level.INFO)) {
-                LOGGER.info(workerId + " CLOSING FILE: " + fileId);
-            }
-            try {
-                bufferCache.closeFile(fileId);
-                fileIsOpen = false;
-            } catch (HyracksDataException e) {
-                e.printStackTrace();
-            }
-        }
-
-        @Override
-        public void run() {
-
-            openFile();
-
-            while (loopCount < maxLoopCount) {
-                loopCount++;
-
-                if (LOGGER.isLoggable(Level.INFO)) {
-                    LOGGER.info(workerId + " LOOP: " + loopCount + "/" + 
maxLoopCount);
-                }
-
-                if (fileIsOpen) {
-
-                    // pin some pages
-                    int pagesToPin = Math.abs(rnd.nextInt()) % (maxPinnedPages 
- pinnedPages.size());
-                    for (int i = 0; i < pagesToPin; i++) {
-                        pinRandomPage();
-                    }
-
-                    // do some thinking
-                    try {
-                        Thread.sleep(thinkTime);
-                    } catch (InterruptedException e) {
-                        e.printStackTrace();
-                    }
-
-                    // unpin some pages
-                    if (!pinnedPages.isEmpty()) {
-                        int pagesToUnpin = Math.abs(rnd.nextInt()) % 
pinnedPages.size();
-                        for (int i = 0; i < pagesToUnpin; i++) {
-                            unpinRandomPage();
-                        }
-                    }
-
-                    // possibly close file
-                    int closeFileCheck = Math.abs(rnd.nextInt()) % 
closeFileChance;
-                    if (pinnedPages.isEmpty() || closeFileCheck == 0) {
-                        int numPinnedPages = pinnedPages.size();
-                        for (int i = 0; i < numPinnedPages; i++) {
-                            unpinRandomPage();
-                        }
-                        closeFile();
-                    }
-                } else {
-                    openFile();
-                }
-            }
-
-            if (fileIsOpen) {
-                int numPinnedPages = pinnedPages.size();
-                for (int i = 0; i < numPinnedPages; i++) {
-                    unpinRandomPage();
-                }
-                closeFile();
-            }
-        }
-    }
-
-    @Test
-    public void oneThreadOneFileTest() throws Exception {
-        IBufferCache bufferCache = harness.getBufferCache();
-        bufferCache.createFile(harness.getFileReference());
-        int btreeFileId = 
harness.getFileMapProvider().lookupFileId(harness.getFileReference());
-        bufferCache.openFile(btreeFileId);
-        Thread worker = new Thread(new FileAccessWorker(0, 
harness.getBufferCache(), FileAccessType.FTA_UNLATCHED,
-                btreeFileId, 10, 10, 100, 10, 0));
-        worker.start();
-        worker.join();
-        bufferCache.closeFile(btreeFileId);
-        bufferCache.close();
-    }
-}

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/ef9be0f9/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/util/BTreeTestContext.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/util/BTreeTestContext.java
 
b/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/util/BTreeTestContext.java
index f849e8e..440261a 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/util/BTreeTestContext.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-btree-test/src/test/java/org/apache/hyracks/storage/am/btree/util/BTreeTestContext.java
@@ -24,7 +24,7 @@ import 
org.apache.hyracks.api.dataflow.value.ISerializerDeserializer;
 import org.apache.hyracks.api.dataflow.value.ITypeTraits;
 import org.apache.hyracks.api.exceptions.HyracksDataException;
 import org.apache.hyracks.api.io.FileReference;
-import org.apache.hyracks.dataflow.common.util.SerdeUtils;
+import org.apache.hyracks.dataflow.common.utils.SerdeUtils;
 import org.apache.hyracks.storage.am.btree.OrderedIndexTestContext;
 import org.apache.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
 import org.apache.hyracks.storage.am.btree.impls.BTree;

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/ef9be0f9/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeExamplesTest.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeExamplesTest.java
 
b/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeExamplesTest.java
index ddfcae0..0cdcf48 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeExamplesTest.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeExamplesTest.java
@@ -30,14 +30,14 @@ import 
org.apache.hyracks.data.std.primitive.IntegerPointable;
 import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
 import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
 import 
org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
-import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.dataflow.common.utils.TupleUtils;
 import org.apache.hyracks.storage.am.btree.OrderedIndexExamplesTest;
 import org.apache.hyracks.storage.am.common.TestOperationCallback;
 import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
 import org.apache.hyracks.storage.am.common.api.ITreeIndex;
 import org.apache.hyracks.storage.am.common.api.TreeIndexException;
 import org.apache.hyracks.storage.am.lsm.btree.util.LSMBTreeTestHarness;
-import org.apache.hyracks.storage.am.lsm.btree.util.LSMBTreeUtils;
+import org.apache.hyracks.storage.am.lsm.btree.utils.LSMBTreeUtil;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
@@ -49,7 +49,7 @@ public class LSMBTreeExamplesTest extends 
OrderedIndexExamplesTest {
     protected ITreeIndex createTreeIndex(ITypeTraits[] typeTraits, 
IBinaryComparatorFactory[] cmpFactories,
             int[] bloomFilterKeyFields, ITypeTraits[] filterTypeTraits, 
IBinaryComparatorFactory[] filterCmpFactories,
             int[] btreeFields, int[] filterFields) throws TreeIndexException, 
HyracksDataException {
-        return LSMBTreeUtils.createLSMTree(harness.getIOManager(), 
harness.getVirtualBufferCaches(), harness
+        return LSMBTreeUtil.createLSMTree(harness.getIOManager(), 
harness.getVirtualBufferCaches(), harness
                 .getFileReference(),
                 harness.getDiskBufferCache(), 
harness.getDiskFileMapProvider(), typeTraits, cmpFactories,
                 bloomFilterKeyFields, 
harness.getBoomFilterFalsePositiveRate(), harness.getMergePolicy(),

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/ef9be0f9/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeModificationOperationCallbackTest.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeModificationOperationCallbackTest.java
 
b/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeModificationOperationCallbackTest.java
index 6ec706f..32e6bf6 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeModificationOperationCallbackTest.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeModificationOperationCallbackTest.java
@@ -19,16 +19,16 @@
 
 package org.apache.hyracks.storage.am.lsm.btree;
 
-import org.apache.hyracks.dataflow.common.util.SerdeUtils;
-import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.dataflow.common.utils.SerdeUtils;
+import org.apache.hyracks.dataflow.common.utils.TupleUtils;
 import 
org.apache.hyracks.storage.am.btree.AbstractModificationOperationCallbackTest;
 import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
 import org.apache.hyracks.storage.am.lsm.btree.util.LSMBTreeTestHarness;
-import org.apache.hyracks.storage.am.lsm.btree.util.LSMBTreeUtils;
+import org.apache.hyracks.storage.am.lsm.btree.utils.LSMBTreeUtil;
 import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexAccessor;
 import 
org.apache.hyracks.storage.am.lsm.common.impls.BlockingIOOperationCallbackWrapper;
 import org.apache.hyracks.storage.am.lsm.common.impls.NoOpIOOperationCallback;
-import 
org.apache.hyracks.storage.am.lsm.common.impls.NoOpOperationTrackerProvider;
+import 
org.apache.hyracks.storage.am.lsm.common.impls.NoOpOperationTrackerFactory;
 import org.junit.Test;
 
 public class LSMBTreeModificationOperationCallbackTest extends 
AbstractModificationOperationCallbackTest {
@@ -45,13 +45,13 @@ public class LSMBTreeModificationOperationCallbackTest 
extends AbstractModificat
 
     @Override
     protected void createIndexInstance() throws Exception {
-        index = LSMBTreeUtils.createLSMTree(harness.getIOManager(), 
harness.getVirtualBufferCaches(), harness
+        index = LSMBTreeUtil.createLSMTree(harness.getIOManager(), 
harness.getVirtualBufferCaches(), harness
                 .getFileReference(),
                 harness.getDiskBufferCache(), harness.getDiskFileMapProvider(),
                 SerdeUtils.serdesToTypeTraits(keySerdes),
                 SerdeUtils.serdesToComparatorFactories(keySerdes, 
keySerdes.length), bloomFilterKeyFields,
                 harness.getBoomFilterFalsePositiveRate(), 
harness.getMergePolicy(),
-                
NoOpOperationTrackerProvider.INSTANCE.getOperationTracker(null), 
harness.getIOScheduler(),
+                
NoOpOperationTrackerFactory.INSTANCE.getOperationTracker(null), 
harness.getIOScheduler(),
                 harness.getIOOperationCallback(), true, null, null, null, 
null, true, harness
                         .getMetadataPageManagerFactory());
     }

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/ef9be0f9/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeSearchOperationCallbackTest.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeSearchOperationCallbackTest.java
 
b/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeSearchOperationCallbackTest.java
index 78ec635..f408bb9 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeSearchOperationCallbackTest.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-tests/hyracks-storage-am-lsm-btree-test/src/test/java/org/apache/hyracks/storage/am/lsm/btree/LSMBTreeSearchOperationCallbackTest.java
@@ -26,8 +26,8 @@ import org.apache.hyracks.api.exceptions.HyracksDataException;
 import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
 import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleReference;
 import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
-import org.apache.hyracks.dataflow.common.util.SerdeUtils;
-import org.apache.hyracks.dataflow.common.util.TupleUtils;
+import org.apache.hyracks.dataflow.common.utils.SerdeUtils;
+import org.apache.hyracks.dataflow.common.utils.TupleUtils;
 import org.apache.hyracks.storage.am.btree.AbstractSearchOperationCallbackTest;
 import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
 import org.apache.hyracks.storage.am.common.api.IIndexAccessor;
@@ -36,8 +36,8 @@ import org.apache.hyracks.storage.am.common.api.IIndexCursor;
 import org.apache.hyracks.storage.am.common.api.ISearchOperationCallback;
 import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
 import org.apache.hyracks.storage.am.lsm.btree.util.LSMBTreeTestHarness;
-import org.apache.hyracks.storage.am.lsm.btree.util.LSMBTreeUtils;
-import 
org.apache.hyracks.storage.am.lsm.common.impls.NoOpOperationTrackerProvider;
+import org.apache.hyracks.storage.am.lsm.btree.utils.LSMBTreeUtil;
+import 
org.apache.hyracks.storage.am.lsm.common.impls.NoOpOperationTrackerFactory;
 import org.junit.Assert;
 import org.junit.Test;
 
@@ -52,13 +52,13 @@ public class LSMBTreeSearchOperationCallbackTest extends 
AbstractSearchOperation
 
     @Override
     protected void createIndexInstance() throws Exception {
-        index = LSMBTreeUtils.createLSMTree(harness.getIOManager(), 
harness.getVirtualBufferCaches(), harness
+        index = LSMBTreeUtil.createLSMTree(harness.getIOManager(), 
harness.getVirtualBufferCaches(), harness
                 .getFileReference(),
                 harness.getDiskBufferCache(), harness.getDiskFileMapProvider(),
                 SerdeUtils.serdesToTypeTraits(keySerdes),
                 SerdeUtils.serdesToComparatorFactories(keySerdes, 
keySerdes.length), bloomFilterKeyFields,
                 harness.getBoomFilterFalsePositiveRate(), 
harness.getMergePolicy(),
-                
NoOpOperationTrackerProvider.INSTANCE.getOperationTracker(null), 
harness.getIOScheduler(),
+                
NoOpOperationTrackerFactory.INSTANCE.getOperationTracker(null), 
harness.getIOScheduler(),
                 harness.getIOOperationCallback(), true, null, null, null, 
null, true, harness
                         .getMetadataPageManagerFactory());
     }

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