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From jingchen...@apache.org
Subject hbase git commit: HBASE-17690 Clean up MOB code
Date Tue, 28 Feb 2017 01:58:10 GMT
Repository: hbase
Updated Branches:
  refs/heads/master be1cdc737 -> 5a8f1e8aa


HBASE-17690 Clean up MOB code


Project: http://git-wip-us.apache.org/repos/asf/hbase/repo
Commit: http://git-wip-us.apache.org/repos/asf/hbase/commit/5a8f1e8a
Tree: http://git-wip-us.apache.org/repos/asf/hbase/tree/5a8f1e8a
Diff: http://git-wip-us.apache.org/repos/asf/hbase/diff/5a8f1e8a

Branch: refs/heads/master
Commit: 5a8f1e8aaa026fd33be0bd8a69f0ee78f54392ce
Parents: be1cdc7
Author: Jingcheng Du <jingchengdu@apache.org>
Authored: Tue Feb 28 09:57:34 2017 +0800
Committer: Jingcheng Du <jingchengdu@apache.org>
Committed: Tue Feb 28 09:57:34 2017 +0800

----------------------------------------------------------------------
 .../apache/hadoop/hbase/client/HBaseAdmin.java  |   2 +-
 .../hbase/mob/DefaultMobStoreCompactor.java     | 130 +++++++++++++------
 .../hbase/mob/DefaultMobStoreFlusher.java       |  68 +++++++---
 .../org/apache/hadoop/hbase/mob/MobUtils.java   | 111 +++++++++++-----
 .../PartitionedMobCompactionRequest.java        |   1 -
 .../compactions/PartitionedMobCompactor.java    |   5 +-
 .../hadoop/hbase/regionserver/HMobStore.java    |  48 +++----
 .../hadoop/hbase/regionserver/HStore.java       |   2 +-
 .../regionserver/compactions/Compactor.java     |   2 +-
 .../hadoop/hbase/HBaseTestingUtility.java       |   1 -
 .../hadoop/hbase/mob/TestMobFileCache.java      |   2 +-
 .../hbase/mob/compactions/TestMobCompactor.java |  46 -------
 .../hbase/regionserver/TestHMobStore.java       |   2 +-
 .../hbase/regionserver/TestMobStoreScanner.java |   2 +-
 14 files changed, 249 insertions(+), 173 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hbase/blob/5a8f1e8a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/HBaseAdmin.java
----------------------------------------------------------------------
diff --git a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/HBaseAdmin.java b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/HBaseAdmin.java
index 5150194..c68d3bb 100644
--- a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/HBaseAdmin.java
+++ b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/HBaseAdmin.java
@@ -1206,8 +1206,8 @@ public class HBaseAdmin implements Admin {
    * @param tableName table or region to compact
    * @param columnFamily column family within a table or region
    * @param major True if we are to do a major compaction.
+   * @param compactType {@link org.apache.hadoop.hbase.client.CompactType}
    * @throws IOException if a remote or network exception occurs
-   * @throws InterruptedException
    */
   private void compact(final TableName tableName, final byte[] columnFamily,final boolean
major,
                        CompactType compactType) throws IOException {

http://git-wip-us.apache.org/repos/asf/hbase/blob/5a8f1e8a/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/DefaultMobStoreCompactor.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/DefaultMobStoreCompactor.java
b/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/DefaultMobStoreCompactor.java
index 936a6fd..697286c 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/DefaultMobStoreCompactor.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/DefaultMobStoreCompactor.java
@@ -18,6 +18,7 @@
 package org.apache.hadoop.hbase.mob;
 
 import java.io.IOException;
+import java.io.InterruptedIOException;
 import java.util.ArrayList;
 import java.util.Date;
 import java.util.List;
@@ -36,17 +37,21 @@ import org.apache.hadoop.hbase.regionserver.CellSink;
 import org.apache.hadoop.hbase.regionserver.HMobStore;
 import org.apache.hadoop.hbase.regionserver.HStore;
 import org.apache.hadoop.hbase.regionserver.InternalScanner;
+import org.apache.hadoop.hbase.regionserver.KeyValueScanner;
 import org.apache.hadoop.hbase.regionserver.ScanType;
 import org.apache.hadoop.hbase.regionserver.ScannerContext;
+import org.apache.hadoop.hbase.regionserver.ShipperListener;
 import org.apache.hadoop.hbase.regionserver.Store;
 import org.apache.hadoop.hbase.regionserver.StoreFileScanner;
 import org.apache.hadoop.hbase.regionserver.StoreFileWriter;
 import org.apache.hadoop.hbase.regionserver.StoreScanner;
 import org.apache.hadoop.hbase.regionserver.compactions.CompactionRequest;
 import org.apache.hadoop.hbase.regionserver.compactions.DefaultCompactor;
+import org.apache.hadoop.hbase.regionserver.throttle.ThroughputControlUtil;
 import org.apache.hadoop.hbase.regionserver.throttle.ThroughputController;
 import org.apache.hadoop.hbase.security.User;
 import org.apache.hadoop.hbase.util.Bytes;
+import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
 
 /**
  * Compact passed set of files in the mob-enabled column family.
@@ -164,12 +169,20 @@ public class DefaultMobStoreCompactor extends DefaultCompactor {
   protected boolean performCompaction(FileDetails fd, InternalScanner scanner, CellSink writer,
       long smallestReadPoint, boolean cleanSeqId, ThroughputController throughputController,
       boolean major, int numofFilesToCompact) throws IOException {
-    int bytesWritten = 0;
+    long bytesWrittenProgressForCloseCheck = 0;
+    long bytesWrittenProgressForLog = 0;
+    long bytesWrittenProgressForShippedCall = 0;
     // Since scanner.next() can return 'false' but still be delivering data,
     // we have to use a do/while loop.
     List<Cell> cells = new ArrayList<Cell>();
     // Limit to "hbase.hstore.compaction.kv.max" (default 10) to avoid OOME
-    int closeCheckInterval = HStore.getCloseCheckInterval();
+    int closeCheckSizeLimit = HStore.getCloseCheckInterval();
+    long lastMillis = 0;
+    if (LOG.isDebugEnabled()) {
+      lastMillis = EnvironmentEdgeManager.currentTime();
+    }
+    String compactionName = ThroughputControlUtil.getNameForThrottling(store, "compaction");
+    long now = 0;
     boolean hasMore;
     Path path = MobUtils.getMobFamilyPath(conf, store.getTableName(), store.getColumnFamilyName());
     byte[] fileName = null;
@@ -177,25 +190,41 @@ public class DefaultMobStoreCompactor extends DefaultCompactor {
     long mobCells = 0, deleteMarkersCount = 0;
     long cellsCountCompactedToMob = 0, cellsCountCompactedFromMob = 0;
     long cellsSizeCompactedToMob = 0, cellsSizeCompactedFromMob = 0;
+    boolean finished = false;
+    ScannerContext scannerContext =
+        ScannerContext.newBuilder().setBatchLimit(compactionKVMax).build();
+    throughputController.start(compactionName);
+    KeyValueScanner kvs = (scanner instanceof KeyValueScanner)? (KeyValueScanner)scanner
: null;
+    long shippedCallSizeLimit = (long) numofFilesToCompact * this.store.getFamily().getBlocksize();
     try {
       try {
         // If the mob file writer could not be created, directly write the cell to the store
file.
         mobFileWriter = mobStore.createWriterInTmp(new Date(fd.latestPutTs), fd.maxKeyCount,
-            store.getFamily().getCompression(), store.getRegionInfo().getStartKey());
+          compactionCompression, store.getRegionInfo().getStartKey(), true);
         fileName = Bytes.toBytes(mobFileWriter.getPath().getName());
       } catch (IOException e) {
-        LOG.error("Failed to create mob writer, "
+        LOG.warn("Failed to create mob writer, "
                + "we will continue the compaction by writing MOB cells directly in store
files", e);
       }
-      delFileWriter = mobStore.createDelFileWriterInTmp(new Date(fd.latestPutTs), fd.maxKeyCount,
-          store.getFamily().getCompression(), store.getRegionInfo().getStartKey());
-      ScannerContext scannerContext =
-              ScannerContext.newBuilder().setBatchLimit(compactionKVMax).build();
+      if (major) {
+        try {
+          delFileWriter = mobStore.createDelFileWriterInTmp(new Date(fd.latestPutTs),
+            fd.maxKeyCount, compactionCompression, store.getRegionInfo().getStartKey());
+        } catch (IOException e) {
+          LOG.warn(
+            "Failed to create del writer, "
+            + "we will continue the compaction by writing delete markers directly in store
files",
+            e);
+        }
+      }
       do {
         hasMore = scanner.next(cells, scannerContext);
+        if (LOG.isDebugEnabled()) {
+          now = EnvironmentEdgeManager.currentTime();
+        }
         for (Cell c : cells) {
           if (major && CellUtil.isDelete(c)) {
-            if (MobUtils.isMobReferenceCell(c)) {
+            if (MobUtils.isMobReferenceCell(c) || delFileWriter == null) {
               // Directly write it to a store file
               writer.append(c);
             } else {
@@ -254,56 +283,83 @@ public class DefaultMobStoreCompactor extends DefaultCompactor {
             cellsCountCompactedToMob++;
             cellsSizeCompactedToMob += c.getValueLength();
           }
+          int len = KeyValueUtil.length(c);
           ++progress.currentCompactedKVs;
+          progress.totalCompactedSize += len;
+          bytesWrittenProgressForShippedCall += len;
+          if (LOG.isDebugEnabled()) {
+            bytesWrittenProgressForLog += len;
+          }
+          throughputController.control(compactionName, len);
           // check periodically to see if a system stop is requested
-          if (closeCheckInterval > 0) {
-            bytesWritten += KeyValueUtil.length(c);
-            if (bytesWritten > closeCheckInterval) {
-              bytesWritten = 0;
+          if (closeCheckSizeLimit > 0) {
+            bytesWrittenProgressForCloseCheck += len;
+            if (bytesWrittenProgressForCloseCheck > closeCheckSizeLimit) {
+              bytesWrittenProgressForCloseCheck = 0;
               if (!store.areWritesEnabled()) {
                 progress.cancel();
                 return false;
               }
             }
           }
+          if (kvs != null && bytesWrittenProgressForShippedCall > shippedCallSizeLimit)
{
+            ((ShipperListener)writer).beforeShipped();
+            kvs.shipped();
+            bytesWrittenProgressForShippedCall = 0;
+          }
+        }
+        // Log the progress of long running compactions every minute if
+        // logging at DEBUG level
+        if (LOG.isDebugEnabled()) {
+          if ((now - lastMillis) >= COMPACTION_PROGRESS_LOG_INTERVAL) {
+            LOG.debug("Compaction progress: "
+                + compactionName
+                + " "
+                + progress
+                + String.format(", rate=%.2f kB/sec", (bytesWrittenProgressForLog / 1024.0)
+                    / ((now - lastMillis) / 1000.0)) + ", throughputController is "
+                + throughputController);
+            lastMillis = now;
+            bytesWrittenProgressForLog = 0;
+          }
         }
         cells.clear();
       } while (hasMore);
+      finished = true;
+    } catch (InterruptedException e) {
+      progress.cancel();
+      throw new InterruptedIOException(
+          "Interrupted while control throughput of compacting " + compactionName);
     } finally {
-      if (mobFileWriter != null) {
-        mobFileWriter.appendMetadata(fd.maxSeqId, major, mobCells);
-        mobFileWriter.close();
+      throughputController.finish(compactionName);
+      if (!finished && mobFileWriter != null) {
+        abortWriter(mobFileWriter);
       }
-      if (delFileWriter != null) {
+      if (!finished && delFileWriter != null) {
+        abortWriter(delFileWriter);
+      }
+    }
+    if (delFileWriter != null) {
+      if (deleteMarkersCount > 0) {
+        // If the del file is not empty, commit it.
+        // If the commit fails, the compaction is re-performed again.
         delFileWriter.appendMetadata(fd.maxSeqId, major, deleteMarkersCount);
         delFileWriter.close();
+        mobStore.commitFile(delFileWriter.getPath(), path);
+      } else {
+        // If the del file is empty, delete it instead of committing.
+        abortWriter(delFileWriter);
       }
     }
     if (mobFileWriter != null) {
       if (mobCells > 0) {
         // If the mob file is not empty, commit it.
+        mobFileWriter.appendMetadata(fd.maxSeqId, major, mobCells);
+        mobFileWriter.close();
         mobStore.commitFile(mobFileWriter.getPath(), path);
       } else {
-        try {
-          // If the mob file is empty, delete it instead of committing.
-          store.getFileSystem().delete(mobFileWriter.getPath(), true);
-        } catch (IOException e) {
-          LOG.error("Failed to delete the temp mob file", e);
-        }
-      }
-    }
-    if (delFileWriter != null) {
-      if (deleteMarkersCount > 0) {
-        // If the del file is not empty, commit it.
-        // If the commit fails, the compaction is re-performed again.
-        mobStore.commitFile(delFileWriter.getPath(), path);
-      } else {
-        try {
-          // If the del file is empty, delete it instead of committing.
-          store.getFileSystem().delete(delFileWriter.getPath(), true);
-        } catch (IOException e) {
-          LOG.error("Failed to delete the temp del file", e);
-        }
+        // If the mob file is empty, delete it instead of committing.
+        abortWriter(mobFileWriter);
       }
     }
     mobStore.updateCellsCountCompactedFromMob(cellsCountCompactedFromMob);

http://git-wip-us.apache.org/repos/asf/hbase/blob/5a8f1e8a/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/DefaultMobStoreFlusher.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/DefaultMobStoreFlusher.java
b/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/DefaultMobStoreFlusher.java
index 77f167e..3c6a071 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/DefaultMobStoreFlusher.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/DefaultMobStoreFlusher.java
@@ -19,6 +19,7 @@
 package org.apache.hadoop.hbase.mob;
 
 import java.io.IOException;
+import java.io.InterruptedIOException;
 import java.util.ArrayList;
 import java.util.Date;
 import java.util.List;
@@ -30,6 +31,7 @@ import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.hbase.Cell;
 import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.KeyValue;
+import org.apache.hadoop.hbase.KeyValueUtil;
 import org.apache.hadoop.hbase.classification.InterfaceAudience;
 import org.apache.hadoop.hbase.monitoring.MonitoredTask;
 import org.apache.hadoop.hbase.regionserver.DefaultStoreFlusher;
@@ -39,6 +41,7 @@ import org.apache.hadoop.hbase.regionserver.MemStoreSnapshot;
 import org.apache.hadoop.hbase.regionserver.ScannerContext;
 import org.apache.hadoop.hbase.regionserver.Store;
 import org.apache.hadoop.hbase.regionserver.StoreFileWriter;
+import org.apache.hadoop.hbase.regionserver.throttle.ThroughputControlUtil;
 import org.apache.hadoop.hbase.regionserver.throttle.ThroughputController;
 import org.apache.hadoop.hbase.util.Bytes;
 import org.apache.hadoop.util.StringUtils;
@@ -112,14 +115,23 @@ public class DefaultMobStoreFlusher extends DefaultStoreFlusher {
       synchronized (flushLock) {
         status.setStatus("Flushing " + store + ": creating writer");
         // Write the map out to the disk
-        writer = store.createWriterInTmp(cellsCount, store.getFamily().getCompression(),
-            false, true, true, false/*default for dropbehind*/, snapshot.getTimeRangeTracker());
+        writer = store.createWriterInTmp(cellsCount, store.getFamily().getCompressionType(),
+            false, true, true, false, snapshot.getTimeRangeTracker());
+        IOException e = null;
         try {
           // It's a mob store, flush the cells in a mob way. This is the difference of flushing
           // between a normal and a mob store.
-          performMobFlush(snapshot, cacheFlushId, scanner, writer, status);
+          performMobFlush(snapshot, cacheFlushId, scanner, writer, status, throughputController);
+        } catch (IOException ioe) {
+          e = ioe;
+          // throw the exception out
+          throw ioe;
         } finally {
-          finalizeWriter(writer, cacheFlushId, status);
+          if (e != null) {
+            writer.close();
+          } else {
+            finalizeWriter(writer, cacheFlushId, status);
+          }
         }
       }
     } finally {
@@ -148,10 +160,12 @@ public class DefaultMobStoreFlusher extends DefaultStoreFlusher {
    * @param scanner The scanner of memstore snapshot.
    * @param writer The store file writer.
    * @param status Task that represents the flush operation and may be updated with status.
+   * @param throughputController A controller to avoid flush too fast.
    * @throws IOException
    */
   protected void performMobFlush(MemStoreSnapshot snapshot, long cacheFlushId,
-      InternalScanner scanner, StoreFileWriter writer, MonitoredTask status) throws IOException
{
+      InternalScanner scanner, StoreFileWriter writer, MonitoredTask status,
+      ThroughputController throughputController) throws IOException {
     StoreFileWriter mobFileWriter = null;
     int compactionKVMax = conf.getInt(HConstants.COMPACTION_KV_MAX,
         HConstants.COMPACTION_KV_MAX_DEFAULT);
@@ -159,16 +173,21 @@ public class DefaultMobStoreFlusher extends DefaultStoreFlusher {
     long mobSize = 0;
     long time = snapshot.getTimeRangeTracker().getMax();
     mobFileWriter = mobStore.createWriterInTmp(new Date(time), snapshot.getCellsCount(),
-        store.getFamily().getCompression(), store.getRegionInfo().getStartKey());
+        store.getFamily().getCompressionType(), store.getRegionInfo().getStartKey(), false);
     // the target path is {tableName}/.mob/{cfName}/mobFiles
     // the relative path is mobFiles
     byte[] fileName = Bytes.toBytes(mobFileWriter.getPath().getName());
+    ScannerContext scannerContext =
+        ScannerContext.newBuilder().setBatchLimit(compactionKVMax).build();
+    List<Cell> cells = new ArrayList<Cell>();
+    boolean hasMore;
+    String flushName = ThroughputControlUtil.getNameForThrottling(store, "flush");
+    boolean control = throughputController != null && !store.getRegionInfo().isSystemTable();
+    if (control) {
+      throughputController.start(flushName);
+    }
+    IOException ioe = null;
     try {
-      List<Cell> cells = new ArrayList<Cell>();
-      boolean hasMore;
-      ScannerContext scannerContext =
-              ScannerContext.newBuilder().setBatchLimit(compactionKVMax).build();
-
       do {
         hasMore = scanner.next(cells, scannerContext);
         if (!cells.isEmpty()) {
@@ -191,15 +210,28 @@ public class DefaultMobStoreFlusher extends DefaultStoreFlusher {
                   this.mobStore.getRefCellTags());
               writer.append(reference);
             }
+            int len = KeyValueUtil.length(c);
+            if (control) {
+              throughputController.control(flushName, len);
+            }
           }
           cells.clear();
         }
       } while (hasMore);
+    } catch (InterruptedException e) {
+      ioe = new InterruptedIOException(
+          "Interrupted while control throughput of flushing " + flushName);
+      throw ioe;
+    } catch (IOException e) {
+      ioe = e;
+      throw e;
     } finally {
-      status.setStatus("Flushing mob file " + store + ": appending metadata");
-      mobFileWriter.appendMetadata(cacheFlushId, false, mobCount);
-      status.setStatus("Flushing mob file " + store + ": closing flushed file");
-      mobFileWriter.close();
+      if (control) {
+        throughputController.finish(flushName);
+      }
+      if (ioe != null) {
+        mobFileWriter.close();
+      }
     }
 
     if (mobCount > 0) {
@@ -207,12 +239,18 @@ public class DefaultMobStoreFlusher extends DefaultStoreFlusher {
       // If the mob file is committed successfully but the store file is not,
       // the committed mob file will be handled by the sweep tool as an unused
       // file.
+      status.setStatus("Flushing mob file " + store + ": appending metadata");
+      mobFileWriter.appendMetadata(cacheFlushId, false, mobCount);
+      status.setStatus("Flushing mob file " + store + ": closing flushed file");
+      mobFileWriter.close();
       mobStore.commitFile(mobFileWriter.getPath(), targetPath);
       mobStore.updateMobFlushCount();
       mobStore.updateMobFlushedCellsCount(mobCount);
       mobStore.updateMobFlushedCellsSize(mobSize);
     } else {
       try {
+        status.setStatus("Flushing mob file " + store + ": no mob cells, closing flushed
file");
+        mobFileWriter.close();
         // If the mob file is empty, delete it instead of committing.
         store.getFileSystem().delete(mobFileWriter.getPath(), true);
       } catch (IOException e) {

http://git-wip-us.apache.org/repos/asf/hbase/blob/5a8f1e8a/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/MobUtils.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/MobUtils.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/MobUtils.java
index 7e46291..8191828 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/MobUtils.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/MobUtils.java
@@ -60,6 +60,7 @@ import org.apache.hadoop.hbase.io.HFileLink;
 import org.apache.hadoop.hbase.io.compress.Compression;
 import org.apache.hadoop.hbase.io.crypto.Encryption;
 import org.apache.hadoop.hbase.io.hfile.CacheConfig;
+import org.apache.hadoop.hbase.io.hfile.HFile;
 import org.apache.hadoop.hbase.io.hfile.HFileContext;
 import org.apache.hadoop.hbase.io.hfile.HFileContextBuilder;
 import org.apache.hadoop.hbase.master.locking.LockManager;
@@ -71,6 +72,7 @@ import org.apache.hadoop.hbase.regionserver.HStore;
 import org.apache.hadoop.hbase.regionserver.StoreFile;
 import org.apache.hadoop.hbase.regionserver.StoreFileWriter;
 import org.apache.hadoop.hbase.util.Bytes;
+import org.apache.hadoop.hbase.util.ChecksumType;
 import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
 import org.apache.hadoop.hbase.util.FSUtils;
 import org.apache.hadoop.hbase.util.ReflectionUtils;
@@ -489,8 +491,6 @@ public final class MobUtils {
     // find the original mob files by this table name. For details please see cloning
     // snapshot for mob files.
     tags.add(tableNameTag);
-    // Add the existing tags.
-    TagUtil.carryForwardTags(tags, cell);
     return createMobRefCell(cell, fileName, TagUtil.fromList(tags));
   }
 
@@ -511,18 +511,19 @@ public final class MobUtils {
    * @param startKey The hex string of the start key.
    * @param cacheConfig The current cache config.
    * @param cryptoContext The encryption context.
+   * @param isCompaction If the writer is used in compaction.
    * @return The writer for the mob file.
    * @throws IOException
    */
   public static StoreFileWriter createWriter(Configuration conf, FileSystem fs,
       HColumnDescriptor family, String date, Path basePath, long maxKeyCount,
       Compression.Algorithm compression, String startKey, CacheConfig cacheConfig,
-      Encryption.Context cryptoContext)
+      Encryption.Context cryptoContext, boolean isCompaction)
       throws IOException {
     MobFileName mobFileName = MobFileName.create(startKey, date,
         UUID.randomUUID().toString().replaceAll("-", ""));
     return createWriter(conf, fs, family, mobFileName, basePath, maxKeyCount, compression,
-        cacheConfig, cryptoContext);
+        cacheConfig, cryptoContext, isCompaction);
   }
 
   /**
@@ -534,25 +535,19 @@ public final class MobUtils {
    * @param maxKeyCount The key count.
    * @param cacheConfig The current cache config.
    * @param cryptoContext The encryption context.
+   * @param isCompaction If the writer is used in compaction.
    * @return The writer for the mob file.
    * @throws IOException
    */
   public static StoreFileWriter createRefFileWriter(Configuration conf, FileSystem fs,
     HColumnDescriptor family, Path basePath, long maxKeyCount, CacheConfig cacheConfig,
-    Encryption.Context cryptoContext)
+    Encryption.Context cryptoContext, boolean isCompaction)
     throws IOException {
-    HFileContext hFileContext = new HFileContextBuilder().withIncludesMvcc(true)
-      .withIncludesTags(true).withCompression(family.getCompactionCompression())
-      .withCompressTags(family.isCompressTags()).withChecksumType(HStore.getChecksumType(conf))
-      .withBytesPerCheckSum(HStore.getBytesPerChecksum(conf)).withBlockSize(family.getBlocksize())
-      .withHBaseCheckSum(true).withDataBlockEncoding(family.getDataBlockEncoding())
-      .withEncryptionContext(cryptoContext).withCreateTime(EnvironmentEdgeManager.currentTime())
-      .build();
-    Path tempPath = new Path(basePath, UUID.randomUUID().toString().replaceAll("-", ""));
-    StoreFileWriter w = new StoreFileWriter.Builder(conf, cacheConfig, fs).withFilePath(tempPath)
-      .withComparator(CellComparator.COMPARATOR).withBloomType(family.getBloomFilterType())
-      .withMaxKeyCount(maxKeyCount).withFileContext(hFileContext).build();
-    return w;
+    return createWriter(conf, fs, family,
+      new Path(basePath, UUID.randomUUID().toString().replaceAll("-", "")), maxKeyCount,
+      family.getCompactionCompressionType(), cacheConfig, cryptoContext,
+      HStore.getChecksumType(conf), HStore.getBytesPerChecksum(conf), family.getBlocksize(),
+      family.getBloomFilterType(), isCompaction);
   }
 
   /**
@@ -567,18 +562,19 @@ public final class MobUtils {
    * @param startKey The start key.
    * @param cacheConfig The current cache config.
    * @param cryptoContext The encryption context.
+   * @param isCompaction If the writer is used in compaction.
    * @return The writer for the mob file.
    * @throws IOException
    */
   public static StoreFileWriter createWriter(Configuration conf, FileSystem fs,
       HColumnDescriptor family, String date, Path basePath, long maxKeyCount,
       Compression.Algorithm compression, byte[] startKey, CacheConfig cacheConfig,
-      Encryption.Context cryptoContext)
+      Encryption.Context cryptoContext, boolean isCompaction)
       throws IOException {
     MobFileName mobFileName = MobFileName.create(startKey, date,
         UUID.randomUUID().toString().replaceAll("-", ""));
     return createWriter(conf, fs, family, mobFileName, basePath, maxKeyCount, compression,
-      cacheConfig, cryptoContext);
+      cacheConfig, cryptoContext, isCompaction);
   }
 
   /**
@@ -605,7 +601,7 @@ public final class MobUtils {
       .randomUUID().toString().replaceAll("-", "") + "_del";
     MobFileName mobFileName = MobFileName.create(startKey, date, suffix);
     return createWriter(conf, fs, family, mobFileName, basePath, maxKeyCount, compression,
-      cacheConfig, cryptoContext);
+      cacheConfig, cryptoContext, true);
   }
 
   /**
@@ -619,26 +615,69 @@ public final class MobUtils {
    * @param compression The compression algorithm.
    * @param cacheConfig The current cache config.
    * @param cryptoContext The encryption context.
+   * @param isCompaction If the writer is used in compaction.
    * @return The writer for the mob file.
    * @throws IOException
    */
-  private static StoreFileWriter createWriter(Configuration conf, FileSystem fs,
-    HColumnDescriptor family, MobFileName mobFileName, Path basePath, long maxKeyCount,
-    Compression.Algorithm compression, CacheConfig cacheConfig, Encryption.Context cryptoContext)
-    throws IOException {
+  public static StoreFileWriter createWriter(Configuration conf, FileSystem fs,
+      HColumnDescriptor family, MobFileName mobFileName, Path basePath, long maxKeyCount,
+      Compression.Algorithm compression, CacheConfig cacheConfig, Encryption.Context cryptoContext,
+      boolean isCompaction)
+      throws IOException {
+    return createWriter(conf, fs, family,
+      new Path(basePath, mobFileName.getFileName()), maxKeyCount, compression, cacheConfig,
+      cryptoContext, HStore.getChecksumType(conf), HStore.getBytesPerChecksum(conf),
+      family.getBlocksize(), BloomType.NONE, isCompaction);
+  }
+
+  /**
+   * Creates a writer for the mob file in temp directory.
+   * @param conf The current configuration.
+   * @param fs The current file system.
+   * @param family The descriptor of the current column family.
+   * @param path The path for a temp directory.
+   * @param maxKeyCount The key count.
+   * @param compression The compression algorithm.
+   * @param cacheConfig The current cache config.
+   * @param cryptoContext The encryption context.
+   * @param checksumType The checksum type.
+   * @param bytesPerChecksum The bytes per checksum.
+   * @param blocksize The HFile block size.
+   * @param bloomType The bloom filter type.
+   * @param isCompaction If the writer is used in compaction.
+   * @return The writer for the mob file.
+   * @throws IOException
+   */
+  public static StoreFileWriter createWriter(Configuration conf, FileSystem fs,
+      HColumnDescriptor family, Path path, long maxKeyCount,
+      Compression.Algorithm compression, CacheConfig cacheConfig, Encryption.Context cryptoContext,
+      ChecksumType checksumType, int bytesPerChecksum, int blocksize, BloomType bloomType,
+      boolean isCompaction)
+      throws IOException {
+    if (compression == null) {
+      compression = HFile.DEFAULT_COMPRESSION_ALGORITHM;
+    }
+    final CacheConfig writerCacheConf;
+    if (isCompaction) {
+      writerCacheConf = new CacheConfig(cacheConfig);
+      writerCacheConf.setCacheDataOnWrite(false);
+    } else {
+      writerCacheConf = cacheConfig;
+    }
     HFileContext hFileContext = new HFileContextBuilder().withCompression(compression)
-      .withIncludesMvcc(true).withIncludesTags(true)
-      .withCompressTags(family.isCompressTags())
-      .withChecksumType(HStore.getChecksumType(conf))
-      .withBytesPerCheckSum(HStore.getBytesPerChecksum(conf)).withBlockSize(family.getBlocksize())
-      .withHBaseCheckSum(true).withDataBlockEncoding(family.getDataBlockEncoding())
-      .withEncryptionContext(cryptoContext)
-      .withCreateTime(EnvironmentEdgeManager.currentTime()).build();
-
-    StoreFileWriter w = new StoreFileWriter.Builder(conf, cacheConfig, fs)
-      .withFilePath(new Path(basePath, mobFileName.getFileName()))
-      .withComparator(CellComparator.COMPARATOR).withBloomType(BloomType.NONE)
-      .withMaxKeyCount(maxKeyCount).withFileContext(hFileContext).build();
+        .withIncludesMvcc(true).withIncludesTags(true)
+        .withCompressTags(family.isCompressTags())
+        .withChecksumType(checksumType)
+        .withBytesPerCheckSum(bytesPerChecksum)
+        .withBlockSize(blocksize)
+        .withHBaseCheckSum(true).withDataBlockEncoding(family.getDataBlockEncoding())
+        .withEncryptionContext(cryptoContext)
+        .withCreateTime(EnvironmentEdgeManager.currentTime()).build();
+
+    StoreFileWriter w = new StoreFileWriter.Builder(conf, writerCacheConf, fs)
+        .withFilePath(path)
+        .withComparator(CellComparator.COMPARATOR).withBloomType(bloomType)
+        .withMaxKeyCount(maxKeyCount).withFileContext(hFileContext).build();
     return w;
   }
 

http://git-wip-us.apache.org/repos/asf/hbase/blob/5a8f1e8a/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/compactions/PartitionedMobCompactionRequest.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/compactions/PartitionedMobCompactionRequest.java
b/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/compactions/PartitionedMobCompactionRequest.java
index 3292d99..b6cf814 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/compactions/PartitionedMobCompactionRequest.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/compactions/PartitionedMobCompactionRequest.java
@@ -26,7 +26,6 @@ import java.util.List;
 import org.apache.hadoop.fs.FileStatus;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.hbase.classification.InterfaceAudience;
-import org.apache.hadoop.hbase.mob.MobConstants;
 import org.apache.hadoop.hbase.regionserver.StoreFile;
 import org.apache.hadoop.hbase.util.Bytes;
 import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;

http://git-wip-us.apache.org/repos/asf/hbase/blob/5a8f1e8a/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/compactions/PartitionedMobCompactor.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/compactions/PartitionedMobCompactor.java
b/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/compactions/PartitionedMobCompactor.java
index b6eb640..987fe51 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/compactions/PartitionedMobCompactor.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/mob/compactions/PartitionedMobCompactor.java
@@ -629,13 +629,14 @@ public class PartitionedMobCompactor extends MobCompactor {
         writer = MobUtils
             .createWriter(conf, fs, column, partition.getPartitionId().getLatestDate(), tempPath,
                 Long.MAX_VALUE, column.getCompactionCompressionType(),
-                partition.getPartitionId().getStartKey(), compactionCacheConfig, cryptoContext);
+                partition.getPartitionId().getStartKey(), compactionCacheConfig, cryptoContext,
+                true);
         cleanupTmpMobFile = true;
         filePath = writer.getPath();
         byte[] fileName = Bytes.toBytes(filePath.getName());
         // create a temp file and open a writer for it in the bulkloadPath
         refFileWriter = MobUtils.createRefFileWriter(conf, fs, column, bulkloadColumnPath,
-            fileInfo.getSecond().longValue(), compactionCacheConfig, cryptoContext);
+            fileInfo.getSecond().longValue(), compactionCacheConfig, cryptoContext, true);
         cleanupBulkloadDirOfPartition = true;
         List<Cell> cells = new ArrayList<>();
         boolean hasMore;

http://git-wip-us.apache.org/repos/asf/hbase/blob/5a8f1e8a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HMobStore.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HMobStore.java
b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HMobStore.java
index 7f7ecb4..a990ceb 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HMobStore.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HMobStore.java
@@ -48,10 +48,7 @@ import org.apache.hadoop.hbase.client.Scan;
 import org.apache.hadoop.hbase.filter.Filter;
 import org.apache.hadoop.hbase.filter.FilterList;
 import org.apache.hadoop.hbase.io.compress.Compression;
-import org.apache.hadoop.hbase.io.hfile.CacheConfig;
 import org.apache.hadoop.hbase.io.hfile.CorruptHFileException;
-import org.apache.hadoop.hbase.io.hfile.HFileContext;
-import org.apache.hadoop.hbase.io.hfile.HFileContextBuilder;
 import org.apache.hadoop.hbase.mob.MobCacheConfig;
 import org.apache.hadoop.hbase.mob.MobConstants;
 import org.apache.hadoop.hbase.mob.MobFile;
@@ -59,7 +56,6 @@ import org.apache.hadoop.hbase.mob.MobFileName;
 import org.apache.hadoop.hbase.mob.MobStoreEngine;
 import org.apache.hadoop.hbase.mob.MobUtils;
 import org.apache.hadoop.hbase.util.Bytes;
-import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
 import org.apache.hadoop.hbase.util.HFileArchiveUtil;
 import org.apache.hadoop.hbase.util.IdLock;
 
@@ -190,16 +186,19 @@ public class HMobStore extends HStore {
    * @param maxKeyCount The key count.
    * @param compression The compression algorithm.
    * @param startKey The start key.
+   * @param isCompaction If the writer is used in compaction.
    * @return The writer for the mob file.
    * @throws IOException
    */
   public StoreFileWriter createWriterInTmp(Date date, long maxKeyCount,
-      Compression.Algorithm compression, byte[] startKey) throws IOException {
+      Compression.Algorithm compression, byte[] startKey,
+      boolean isCompaction) throws IOException {
     if (startKey == null) {
       startKey = HConstants.EMPTY_START_ROW;
     }
     Path path = getTempDir();
-    return createWriterInTmp(MobUtils.formatDate(date), path, maxKeyCount, compression, startKey);
+    return createWriterInTmp(MobUtils.formatDate(date), path, maxKeyCount, compression, startKey,
+      isCompaction);
   }
 
   /**
@@ -222,7 +221,7 @@ public class HMobStore extends HStore {
     String suffix = UUID
         .randomUUID().toString().replaceAll("-", "") + "_del";
     MobFileName mobFileName = MobFileName.create(startKey, MobUtils.formatDate(date), suffix);
-    return createWriterInTmp(mobFileName, path, maxKeyCount, compression);
+    return createWriterInTmp(mobFileName, path, maxKeyCount, compression, true);
   }
 
   /**
@@ -232,14 +231,16 @@ public class HMobStore extends HStore {
    * @param maxKeyCount The key count.
    * @param compression The compression algorithm.
    * @param startKey The start key.
+   * @param isCompaction If the writer is used in compaction.
    * @return The writer for the mob file.
    * @throws IOException
    */
   public StoreFileWriter createWriterInTmp(String date, Path basePath, long maxKeyCount,
-      Compression.Algorithm compression, byte[] startKey) throws IOException {
+      Compression.Algorithm compression, byte[] startKey,
+      boolean isCompaction) throws IOException {
     MobFileName mobFileName = MobFileName.create(startKey, date, UUID.randomUUID()
         .toString().replaceAll("-", ""));
-    return createWriterInTmp(mobFileName, basePath, maxKeyCount, compression);
+    return createWriterInTmp(mobFileName, basePath, maxKeyCount, compression, isCompaction);
   }
 
   /**
@@ -248,27 +249,16 @@ public class HMobStore extends HStore {
    * @param basePath The basic path for a temp directory.
    * @param maxKeyCount The key count.
    * @param compression The compression algorithm.
+   * @param isCompaction If the writer is used in compaction.
    * @return The writer for the mob file.
    * @throws IOException
    */
   public StoreFileWriter createWriterInTmp(MobFileName mobFileName, Path basePath,
-      long maxKeyCount, Compression.Algorithm compression) throws IOException {
-    final CacheConfig writerCacheConf = mobCacheConfig;
-    HFileContext hFileContext = new HFileContextBuilder().withCompression(compression)
-        .withIncludesMvcc(true).withIncludesTags(true)
-        .withCompressTags(family.isCompressTags())
-        .withChecksumType(checksumType)
-        .withBytesPerCheckSum(bytesPerChecksum)
-        .withBlockSize(blocksize)
-        .withHBaseCheckSum(true).withDataBlockEncoding(getFamily().getDataBlockEncoding())
-        .withEncryptionContext(cryptoContext)
-        .withCreateTime(EnvironmentEdgeManager.currentTime()).build();
-
-    StoreFileWriter w = new StoreFileWriter.Builder(conf, writerCacheConf, region.getFilesystem())
-        .withFilePath(new Path(basePath, mobFileName.getFileName()))
-        .withComparator(CellComparator.COMPARATOR).withBloomType(BloomType.NONE)
-        .withMaxKeyCount(maxKeyCount).withFileContext(hFileContext).build();
-    return w;
+      long maxKeyCount, Compression.Algorithm compression,
+      boolean isCompaction) throws IOException {
+    return MobUtils.createWriter(conf, region.getFilesystem(), family,
+      new Path(basePath, mobFileName.getFileName()), maxKeyCount, compression, mobCacheConfig,
+      cryptoContext, checksumType, bytesPerChecksum, blocksize, BloomType.NONE, isCompaction);
   }
 
   /**
@@ -412,7 +402,7 @@ public class HMobStore extends HStore {
         throwable = e;
         if ((e instanceof FileNotFoundException) ||
             (e.getCause() instanceof FileNotFoundException)) {
-          LOG.warn("Fail to read the cell, the mob file " + path + " doesn't exist", e);
+          LOG.debug("Fail to read the cell, the mob file " + path + " doesn't exist", e);
         } else if (e instanceof CorruptHFileException) {
           LOG.error("The mob file " + path + " is corrupt", e);
           break;
@@ -421,11 +411,11 @@ public class HMobStore extends HStore {
         }
       } catch (NullPointerException e) { // HDFS 1.x - DFSInputStream.getBlockAt()
         mobCacheConfig.getMobFileCache().evictFile(fileName);
-        LOG.warn("Fail to read the cell", e);
+        LOG.debug("Fail to read the cell", e);
         throwable = e;
       } catch (AssertionError e) { // assert in HDFS 1.x - DFSInputStream.getBlockAt()
         mobCacheConfig.getMobFileCache().evictFile(fileName);
-        LOG.warn("Fail to read the cell", e);
+        LOG.debug("Fail to read the cell", e);
         throwable = e;
       } finally {
         if (file != null) {

http://git-wip-us.apache.org/repos/asf/hbase/blob/5a8f1e8a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HStore.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HStore.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HStore.java
index 84253c8..4d2fea8 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HStore.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HStore.java
@@ -173,7 +173,7 @@ public class HStore implements Store {
   protected int bytesPerChecksum;
 
   // Comparing KeyValues
-  private final CellComparator comparator;
+  protected final CellComparator comparator;
 
   final StoreEngine<?, ?, ?, ?> storeEngine;
 

http://git-wip-us.apache.org/repos/asf/hbase/blob/5a8f1e8a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/compactions/Compactor.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/compactions/Compactor.java
b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/compactions/Compactor.java
index 84e4314..1fe5077 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/compactions/Compactor.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/compactions/Compactor.java
@@ -68,7 +68,7 @@ import com.google.common.io.Closeables;
 @InterfaceAudience.Private
 public abstract class Compactor<T extends CellSink> {
   private static final Log LOG = LogFactory.getLog(Compactor.class);
-  private static final long COMPACTION_PROGRESS_LOG_INTERVAL = 60 * 1000;
+  protected static final long COMPACTION_PROGRESS_LOG_INTERVAL = 60 * 1000;
   protected volatile CompactionProgress progress;
   protected final Configuration conf;
   protected final Store store;

http://git-wip-us.apache.org/repos/asf/hbase/blob/5a8f1e8a/hbase-server/src/test/java/org/apache/hadoop/hbase/HBaseTestingUtility.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/HBaseTestingUtility.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/HBaseTestingUtility.java
index aaee994..724761a 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/HBaseTestingUtility.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/HBaseTestingUtility.java
@@ -2286,7 +2286,6 @@ public class HBaseTestingUtility extends HBaseCommonTestingUtility {
   }
 
   public int countRows(final InternalScanner scanner) throws IOException {
-    // Do not retrieve the mob data when scanning
     int scannedCount = 0;
     List<Cell> results = new ArrayList<Cell>();
     boolean hasMore = true;

http://git-wip-us.apache.org/repos/asf/hbase/blob/5a8f1e8a/hbase-server/src/test/java/org/apache/hadoop/hbase/mob/TestMobFileCache.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/mob/TestMobFileCache.java
b/hbase-server/src/test/java/org/apache/hadoop/hbase/mob/TestMobFileCache.java
index 9abe040..d428986 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/mob/TestMobFileCache.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/mob/TestMobFileCache.java
@@ -134,7 +134,7 @@ public class TestMobFileCache extends TestCase {
     int maxKeyCount = keys.length;
     HRegionInfo regionInfo = new HRegionInfo(tn);
     StoreFileWriter mobWriter = mobStore.createWriterInTmp(currentDate,
-        maxKeyCount, hcd.getCompactionCompression(), regionInfo.getStartKey());
+        maxKeyCount, hcd.getCompactionCompression(), regionInfo.getStartKey(), false);
     Path mobFilePath = mobWriter.getPath();
     String fileName = mobFilePath.getName();
     mobWriter.append(key1);

http://git-wip-us.apache.org/repos/asf/hbase/blob/5a8f1e8a/hbase-server/src/test/java/org/apache/hadoop/hbase/mob/compactions/TestMobCompactor.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/mob/compactions/TestMobCompactor.java
b/hbase-server/src/test/java/org/apache/hadoop/hbase/mob/compactions/TestMobCompactor.java
index 7dcff2c..b73b943 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/mob/compactions/TestMobCompactor.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/mob/compactions/TestMobCompactor.java
@@ -330,38 +330,6 @@ public class TestMobCompactor {
       countFiles(tableName, false, family2));
   }
 
-  private void waitUntilFilesShowup(final TableName table, final String famStr, final int
num)
-      throws InterruptedException, IOException  {
-
-    HRegion r = TEST_UTIL.getMiniHBaseCluster().getRegions(table).get(0);
-
-    // Make sure that it is flushed.
-    FileSystem fs = r.getRegionFileSystem().getFileSystem();
-    Path path = r.getRegionFileSystem().getStoreDir(famStr);
-
-
-    FileStatus[] fileList = fs.listStatus(path);
-
-    while (fileList.length != num) {
-      Thread.sleep(50);
-      fileList = fs.listStatus(path);
-    }
-  }
-
-  private int numberOfMobFiles(final TableName table, final String famStr)
-      throws IOException  {
-
-    HRegion r = TEST_UTIL.getMiniHBaseCluster().getRegions(table).get(0);
-
-    // Make sure that it is flushed.
-    FileSystem fs = r.getRegionFileSystem().getFileSystem();
-    Path path = r.getRegionFileSystem().getStoreDir(famStr);
-
-    FileStatus[] fileList = fs.listStatus(path);
-
-    return fileList.length;
-  }
-
   @Test
   public void testMinorCompactionWithWeeklyPolicy() throws Exception {
     resetConf();
@@ -766,20 +734,6 @@ public class TestMobCompactor {
     }
   }
 
-  private void waitUntilCompactionFinished(TableName tableName) throws IOException,
-    InterruptedException {
-    long finished = EnvironmentEdgeManager.currentTime() + 60000;
-    CompactionState state = admin.getCompactionState(tableName);
-    while (EnvironmentEdgeManager.currentTime() < finished) {
-      if (state == CompactionState.NONE) {
-        break;
-      }
-      state = admin.getCompactionState(tableName);
-      Thread.sleep(10);
-    }
-    assertEquals(CompactionState.NONE, state);
-  }
-
   private void waitUntilMobCompactionFinished(TableName tableName) throws IOException,
     InterruptedException {
     long finished = EnvironmentEdgeManager.currentTime() + 60000;

http://git-wip-us.apache.org/repos/asf/hbase/blob/5a8f1e8a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHMobStore.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHMobStore.java
b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHMobStore.java
index 2accf41..6877fca 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHMobStore.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHMobStore.java
@@ -180,7 +180,7 @@ public class TestHMobStore {
     KeyValue[] keys = new KeyValue[] { key1, key2, key3 };
     int maxKeyCount = keys.length;
     StoreFileWriter mobWriter = store.createWriterInTmp(currentDate, maxKeyCount,
-        hcd.getCompactionCompressionType(), region.getRegionInfo().getStartKey());
+        hcd.getCompactionCompressionType(), region.getRegionInfo().getStartKey(), false);
     mobFilePath = mobWriter.getPath();
 
     mobWriter.append(key1);

http://git-wip-us.apache.org/repos/asf/hbase/blob/5a8f1e8a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestMobStoreScanner.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestMobStoreScanner.java
b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestMobStoreScanner.java
index ac8ed21..d501cdd 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestMobStoreScanner.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestMobStoreScanner.java
@@ -167,7 +167,7 @@ public class TestMobStoreScanner {
     table.put(put);
 
     Get g = new Get(row1);
-    Result r = table.get(g);
+    table.get(g);
     // should not have blown up.
   }
 


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