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Posted to common-commits@hadoop.apache.org by vi...@apache.org on 2016/01/07 07:24:03 UTC

[1/4] hadoop git commit: HDFS-9600. do not check replication if the block is under construction (Contributed by Phil Yang)

Repository: hadoop
Updated Branches:
  refs/heads/branch-2 2c841e656 -> aa710bd46
  refs/heads/branch-2.6 4be18edf2 -> 79da1283d
  refs/heads/branch-2.7 258ef9f9c -> 5dc5bb281
  refs/heads/trunk 2b252844e -> 34cd7cd76


HDFS-9600. do not check replication if the block is under construction (Contributed by Phil Yang)


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/34cd7cd7
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/34cd7cd7
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/34cd7cd7

Branch: refs/heads/trunk
Commit: 34cd7cd76505d01ec251e30837c94ab03319a0c1
Parents: 2b25284
Author: Vinayakumar B <vi...@apache.org>
Authored: Thu Jan 7 11:27:42 2016 +0530
Committer: Vinayakumar B <vi...@apache.org>
Committed: Thu Jan 7 11:27:42 2016 +0530

----------------------------------------------------------------------
 hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt     |  3 +
 .../server/blockmanagement/BlockManager.java    |  3 +-
 .../blockmanagement/DecommissionManager.java    |  5 +-
 .../blockmanagement/TestBlockManager.java       | 58 ++++++++++++++++++++
 4 files changed, 66 insertions(+), 3 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/34cd7cd7/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
index d625b93..dfa9701 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
+++ b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
@@ -3724,6 +3724,9 @@ Release 2.6.4 - UNRELEASED
 
   BUG FIXES
 
+    HDFS-9600. do not check replication if the block is under construction
+    (Phil Yang via vinayakumarb)
+
 Release 2.6.3 - 2015-12-17
 
   INCOMPATIBLE CHANGES

http://git-wip-us.apache.org/repos/asf/hadoop/blob/34cd7cd7/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
index 0f27240..cee03f6 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
@@ -3946,7 +3946,8 @@ public class BlockManager implements BlockStatsMXBean {
    */
   boolean isNeededReplication(BlockInfo storedBlock, int current) {
     int expected = getExpectedReplicaNum(storedBlock);
-    return current < expected || !isPlacementPolicySatisfied(storedBlock);
+    return storedBlock.isComplete()
+        && (current < expected || !isPlacementPolicySatisfied(storedBlock));
   }
 
   public short getExpectedReplicaNum(BlockInfo block) {

http://git-wip-us.apache.org/repos/asf/hadoop/blob/34cd7cd7/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DecommissionManager.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DecommissionManager.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DecommissionManager.java
index 8656f69..2a5d63c 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DecommissionManager.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DecommissionManager.java
@@ -243,8 +243,9 @@ public class DecommissionManager {
       NumberReplicas numberReplicas) {
     final int numExpected = blockManager.getExpectedReplicaNum(block);
     final int numLive = numberReplicas.liveReplicas();
-    if (!blockManager.isNeededReplication(block, numLive)) {
-      // Block doesn't need replication. Skip.
+    if (numLive >= numExpected
+        && blockManager.isPlacementPolicySatisfied(block)) {
+      // Block has enough replica, skip
       LOG.trace("Block {} does not need replication.", block);
       return true;
     }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/34cd7cd7/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestBlockManager.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestBlockManager.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestBlockManager.java
index d92ac90..4a74d2f 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestBlockManager.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestBlockManager.java
@@ -32,6 +32,7 @@ import static org.mockito.Mockito.verify;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.EnumSet;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Map.Entry;
@@ -48,16 +49,22 @@ import java.util.concurrent.TimeoutException;
 import java.util.concurrent.atomic.AtomicBoolean;
 
 import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.CreateFlag;
+import org.apache.hadoop.fs.FSDataInputStream;
 import org.apache.hadoop.fs.FSDataOutputStream;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.fs.StorageType;
 import org.apache.hadoop.hdfs.DFSConfigKeys;
+import org.apache.hadoop.hdfs.DFSOutputStream;
 import org.apache.hadoop.hdfs.DFSTestUtil;
+import org.apache.hadoop.hdfs.DistributedFileSystem;
 import org.apache.hadoop.hdfs.HdfsConfiguration;
 import org.apache.hadoop.hdfs.MiniDFSCluster;
 import org.apache.hadoop.hdfs.protocol.Block;
 import org.apache.hadoop.hdfs.protocol.BlockListAsLongs;
+import org.apache.hadoop.hdfs.protocol.ExtendedBlock;
+import org.apache.hadoop.hdfs.protocol.LocatedBlock;
 import org.apache.hadoop.hdfs.server.blockmanagement.DatanodeDescriptor.BlockTargetPair;
 import org.apache.hadoop.hdfs.server.common.HdfsServerConstants;
 import org.apache.hadoop.hdfs.server.datanode.DataNodeTestUtils;
@@ -70,8 +77,11 @@ import org.apache.hadoop.hdfs.server.namenode.NameNodeAdapter;
 import org.apache.hadoop.hdfs.server.namenode.TestINodeFile;
 import org.apache.hadoop.hdfs.server.protocol.DatanodeRegistration;
 import org.apache.hadoop.hdfs.server.protocol.DatanodeStorage;
+import org.apache.hadoop.hdfs.server.protocol.NamenodeProtocols;
 import org.apache.hadoop.hdfs.server.protocol.ReceivedDeletedBlockInfo;
 import org.apache.hadoop.hdfs.server.protocol.StorageReceivedDeletedBlocks;
+import org.apache.hadoop.io.EnumSetWritable;
+import org.apache.hadoop.io.IOUtils;
 import org.apache.hadoop.ipc.RemoteException;
 import org.apache.hadoop.metrics2.MetricsRecordBuilder;
 import org.apache.hadoop.net.NetworkTopology;
@@ -397,6 +407,54 @@ public class TestBlockManager {
     assertFalse(bm.isNeededReplication(block, bm.countLiveNodes(block)));
   }
   
+  @Test(timeout = 60000)
+  public void testNeededReplicationWhileAppending() throws IOException {
+    Configuration conf = new HdfsConfiguration();
+    String src = "/test-file";
+    Path file = new Path(src);
+    MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).build();
+    cluster.waitActive();
+    try {
+      BlockManager bm = cluster.getNamesystem().getBlockManager();
+      FileSystem fs = cluster.getFileSystem();
+      NamenodeProtocols namenode = cluster.getNameNodeRpc();
+      DFSOutputStream out = null;
+      try {
+        out = (DFSOutputStream) (fs.create(file).
+            getWrappedStream());
+        out.write(1);
+        out.hflush();
+        out.close();
+        FSDataInputStream in = null;
+        ExtendedBlock oldBlock = null;
+        try {
+          in = fs.open(file);
+          oldBlock = DFSTestUtil.getAllBlocks(in).get(0).getBlock();
+        } finally {
+          IOUtils.closeStream(in);
+        }
+
+        String clientName =
+            ((DistributedFileSystem) fs).getClient().getClientName();
+        namenode.append(src, clientName, new EnumSetWritable<>(
+            EnumSet.of(CreateFlag.APPEND)));
+        LocatedBlock newLocatedBlock =
+            namenode.updateBlockForPipeline(oldBlock, clientName);
+        ExtendedBlock newBlock =
+            new ExtendedBlock(oldBlock.getBlockPoolId(), oldBlock.getBlockId(),
+                oldBlock.getNumBytes(),
+                newLocatedBlock.getBlock().getGenerationStamp());
+        namenode.updatePipeline(clientName, oldBlock, newBlock,
+            newLocatedBlock.getLocations(), newLocatedBlock.getStorageIDs());
+        BlockInfo bi = bm.getStoredBlock(newBlock.getLocalBlock());
+        assertFalse(bm.isNeededReplication(bi, bm.countLiveNodes(bi)));
+      } finally {
+        IOUtils.closeStream(out);
+      }
+    } finally {
+      cluster.shutdown();
+    }
+  }
   
   /**
    * Tell the block manager that replication is completed for the given


[4/4] hadoop git commit: HDFS-9600. do not check replication if the block is under construction (Contributed by Phil Yang)

Posted by vi...@apache.org.
HDFS-9600. do not check replication if the block is under construction (Contributed by Phil Yang)

(cherry picked from commit 34cd7cd76505d01ec251e30837c94ab03319a0c1)
(cherry picked from commit aa710bd461b593b0f3d7d7ac41ca68e1aa3fa9d6)

Conflicts:
	hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
	hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DecommissionManager.java
	hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestBlockManager.java


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/79da1283
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/79da1283
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/79da1283

Branch: refs/heads/branch-2.6
Commit: 79da1283d6e64a6b715e02d00381b4178362e394
Parents: 4be18ed
Author: Vinayakumar B <vi...@apache.org>
Authored: Thu Jan 7 11:27:42 2016 +0530
Committer: Vinayakumar B <vi...@apache.org>
Committed: Thu Jan 7 11:52:27 2016 +0530

----------------------------------------------------------------------
 hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt     |  3 +
 .../server/blockmanagement/BlockManager.java    | 16 +++--
 .../blockmanagement/TestBlockManager.java       | 65 +++++++++++++++++++-
 3 files changed, 78 insertions(+), 6 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/79da1283/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
index 68ba352..f760d36 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
+++ b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
@@ -27,6 +27,9 @@ Release 2.6.4 - UNRELEASED
     HDFS-9445. Datanode may deadlock while handling a bad volume.
     (Wlater Su via Kihwal)
 
+    HDFS-9600. do not check replication if the block is under construction
+    (Phil Yang via vinayakumarb)
+
 Release 2.6.3 - 2015-12-17
 
   INCOMPATIBLE CHANGES

http://git-wip-us.apache.org/repos/asf/hadoop/blob/79da1283/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
index dceb85c..2d08831 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
@@ -3290,8 +3290,9 @@ public class BlockManager {
         NumberReplicas num = countNodes(block);
         int curReplicas = num.liveReplicas();
         int curExpectedReplicas = getReplication(block);
-                
-        if (isNeededReplication(block, curExpectedReplicas, curReplicas)) {
+
+        if (curReplicas < curExpectedReplicas
+            || !isPlacementPolicySatisfied(block)) {
           if (curExpectedReplicas > curReplicas) {
             if (bc.isUnderConstruction()) {
               if (block.equals(bc.getLastBlock()) && curReplicas > minReplication) {
@@ -3502,8 +3503,15 @@ public class BlockManager {
    * A block needs replication if the number of replicas is less than expected
    * or if it does not have enough racks.
    */
-  private boolean isNeededReplication(Block b, int expected, int current) {
-    return current < expected || !isPlacementPolicySatisfied(b);
+  boolean isNeededReplication(Block b, int expected, int current) {
+    BlockInfo blockInfo;
+    if (b instanceof BlockInfo) {
+      blockInfo = (BlockInfo) b;
+    } else {
+      blockInfo = getStoredBlock(b);
+    }
+    return blockInfo.isComplete()
+        && (current < expected || !isPlacementPolicySatisfied(b));
   }
   
   public long getMissingBlocksCount() {

http://git-wip-us.apache.org/repos/asf/hadoop/blob/79da1283/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestBlockManager.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestBlockManager.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestBlockManager.java
index 653a8cf..8678334 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestBlockManager.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestBlockManager.java
@@ -30,21 +30,28 @@ import static org.mockito.Mockito.verify;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.EnumSet;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Map.Entry;
 
 import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.CreateFlag;
+import org.apache.hadoop.fs.FSDataInputStream;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.hdfs.DFSConfigKeys;
+import org.apache.hadoop.hdfs.DFSOutputStream;
 import org.apache.hadoop.hdfs.DFSTestUtil;
+import org.apache.hadoop.hdfs.DistributedFileSystem;
 import org.apache.hadoop.hdfs.HdfsConfiguration;
 import org.apache.hadoop.hdfs.StorageType;
 import org.apache.hadoop.hdfs.MiniDFSCluster;
 import org.apache.hadoop.hdfs.protocol.Block;
 import org.apache.hadoop.hdfs.protocol.BlockListAsLongs;
+import org.apache.hadoop.hdfs.protocol.ExtendedBlock;
 import org.apache.hadoop.hdfs.protocol.HdfsConstants;
+import org.apache.hadoop.hdfs.protocol.LocatedBlock;
 import org.apache.hadoop.hdfs.server.blockmanagement.DatanodeDescriptor.BlockTargetPair;
 import org.apache.hadoop.hdfs.server.datanode.DataNodeTestUtils;
 import org.apache.hadoop.hdfs.server.datanode.FinalizedReplica;
@@ -54,8 +61,11 @@ import org.apache.hadoop.hdfs.server.namenode.FSNamesystem;
 import org.apache.hadoop.hdfs.server.namenode.NameNodeAdapter;
 import org.apache.hadoop.hdfs.server.protocol.DatanodeRegistration;
 import org.apache.hadoop.hdfs.server.protocol.DatanodeStorage;
+import org.apache.hadoop.hdfs.server.protocol.NamenodeProtocols;
 import org.apache.hadoop.hdfs.server.protocol.ReceivedDeletedBlockInfo;
 import org.apache.hadoop.hdfs.server.protocol.StorageReceivedDeletedBlocks;
+import org.apache.hadoop.io.EnumSetWritable;
+import org.apache.hadoop.io.IOUtils;
 import org.apache.hadoop.ipc.RemoteException;
 import org.apache.hadoop.net.NetworkTopology;
 import org.junit.Assert;
@@ -373,8 +383,59 @@ public class TestBlockManager {
     bm.processMisReplicatedBlocks();
     assertEquals(0, bm.numOfUnderReplicatedBlocks());
   }
-  
-  
+
+  @Test(timeout = 60000)
+  public void testNeededReplicationWhileAppending() throws IOException {
+    Configuration conf = new HdfsConfiguration();
+    String src = "/test-file";
+    Path file = new Path(src);
+    MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).build();
+    cluster.waitActive();
+    try {
+      BlockManager bm = cluster.getNamesystem().getBlockManager();
+      FileSystem fs = cluster.getFileSystem();
+      NamenodeProtocols namenode = cluster.getNameNodeRpc();
+      DFSOutputStream out = null;
+      try {
+        out = (DFSOutputStream) (fs.create(file).
+            getWrappedStream());
+        out.write(1);
+        out.hflush();
+        out.close();
+        FSDataInputStream in = null;
+        ExtendedBlock oldBlock = null;
+        LocatedBlock oldLoactedBlock = null;
+        try {
+          in = fs.open(file);
+          oldLoactedBlock = DFSTestUtil.getAllBlocks(in).get(0);
+          oldBlock = oldLoactedBlock.getBlock();
+        } finally {
+          IOUtils.closeStream(in);
+        }
+        String clientName =
+            ((DistributedFileSystem) fs).getClient().getClientName();
+        namenode.append(src, clientName);
+        LocatedBlock newLocatedBlock =
+            namenode.updateBlockForPipeline(oldBlock, clientName);
+        ExtendedBlock newBlock =
+            new ExtendedBlock(oldBlock.getBlockPoolId(), oldBlock.getBlockId(),
+                oldBlock.getNumBytes(),
+                newLocatedBlock.getBlock().getGenerationStamp());
+        namenode.updatePipeline(clientName, oldBlock, newBlock,
+            oldLoactedBlock.getLocations(), oldLoactedBlock.getStorageIDs());
+        BlockInfo bi = bm.getStoredBlock(newBlock.getLocalBlock());
+        assertFalse(
+            bm.isNeededReplication(bi, oldLoactedBlock.getLocations().length,
+                bm.countLiveNodes(bi)));
+      } finally {
+        IOUtils.closeStream(out);
+      }
+    } finally {
+      cluster.shutdown();
+    }
+  }
+
+
   /**
    * Tell the block manager that replication is completed for the given
    * pipeline.


[2/4] hadoop git commit: HDFS-9600. do not check replication if the block is under construction (Contributed by Phil Yang)

Posted by vi...@apache.org.
HDFS-9600. do not check replication if the block is under construction (Contributed by Phil Yang)

(cherry picked from commit 34cd7cd76505d01ec251e30837c94ab03319a0c1)


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/aa710bd4
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/aa710bd4
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/aa710bd4

Branch: refs/heads/branch-2
Commit: aa710bd461b593b0f3d7d7ac41ca68e1aa3fa9d6
Parents: 2c841e6
Author: Vinayakumar B <vi...@apache.org>
Authored: Thu Jan 7 11:27:42 2016 +0530
Committer: Vinayakumar B <vi...@apache.org>
Committed: Thu Jan 7 11:30:57 2016 +0530

----------------------------------------------------------------------
 hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt     |  3 +
 .../server/blockmanagement/BlockManager.java    |  3 +-
 .../blockmanagement/DecommissionManager.java    |  5 +-
 .../blockmanagement/TestBlockManager.java       | 63 +++++++++++++++++++-
 4 files changed, 69 insertions(+), 5 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/aa710bd4/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
index 4f56910..0c8dde3 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
+++ b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
@@ -2861,6 +2861,9 @@ Release 2.6.4 - UNRELEASED
 
   BUG FIXES
 
+    HDFS-9600. do not check replication if the block is under construction
+    (Phil Yang via vinayakumarb)
+
 Release 2.6.3 - 2015-12-17
 
   INCOMPATIBLE CHANGES

http://git-wip-us.apache.org/repos/asf/hadoop/blob/aa710bd4/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
index 4e7090d..40a1ae1 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
@@ -3595,7 +3595,8 @@ public class BlockManager implements BlockStatsMXBean {
    */
   boolean isNeededReplication(BlockInfo storedBlock, int current) {
     int expected = storedBlock.getReplication();
-    return current < expected || !isPlacementPolicySatisfied(storedBlock);
+    return storedBlock.isComplete()
+        && (current < expected || !isPlacementPolicySatisfied(storedBlock));
   }
 
   public short getExpectedReplicaNum(BlockInfo block) {

http://git-wip-us.apache.org/repos/asf/hadoop/blob/aa710bd4/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DecommissionManager.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DecommissionManager.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DecommissionManager.java
index c895a45..ec9a710 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DecommissionManager.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DecommissionManager.java
@@ -253,8 +253,9 @@ public class DecommissionManager {
       NumberReplicas numberReplicas) {
     final int numExpected = block.getReplication();
     final int numLive = numberReplicas.liveReplicas();
-    if (!blockManager.isNeededReplication(block, numLive)) {
-      // Block doesn't need replication. Skip.
+    if (numLive >= numExpected
+        && blockManager.isPlacementPolicySatisfied(block)) {
+      // Block has enough replica, skip
       LOG.trace("Block {} does not need replication.", block);
       return true;
     }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/aa710bd4/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestBlockManager.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestBlockManager.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestBlockManager.java
index 1cebac1..e9c9ec3 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestBlockManager.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestBlockManager.java
@@ -32,6 +32,7 @@ import static org.mockito.Mockito.verify;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.EnumSet;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Map.Entry;
@@ -48,16 +49,22 @@ import java.util.concurrent.TimeoutException;
 import java.util.concurrent.atomic.AtomicBoolean;
 
 import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.CreateFlag;
+import org.apache.hadoop.fs.FSDataInputStream;
 import org.apache.hadoop.fs.FSDataOutputStream;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.fs.StorageType;
 import org.apache.hadoop.hdfs.DFSConfigKeys;
+import org.apache.hadoop.hdfs.DFSOutputStream;
 import org.apache.hadoop.hdfs.DFSTestUtil;
+import org.apache.hadoop.hdfs.DistributedFileSystem;
 import org.apache.hadoop.hdfs.HdfsConfiguration;
 import org.apache.hadoop.hdfs.MiniDFSCluster;
 import org.apache.hadoop.hdfs.protocol.Block;
 import org.apache.hadoop.hdfs.protocol.BlockListAsLongs;
+import org.apache.hadoop.hdfs.protocol.ExtendedBlock;
+import org.apache.hadoop.hdfs.protocol.LocatedBlock;
 import org.apache.hadoop.hdfs.server.blockmanagement.DatanodeDescriptor.BlockTargetPair;
 import org.apache.hadoop.hdfs.server.common.HdfsServerConstants;
 import org.apache.hadoop.hdfs.server.datanode.DataNodeTestUtils;
@@ -70,8 +77,11 @@ import org.apache.hadoop.hdfs.server.namenode.NameNodeAdapter;
 import org.apache.hadoop.hdfs.server.namenode.TestINodeFile;
 import org.apache.hadoop.hdfs.server.protocol.DatanodeRegistration;
 import org.apache.hadoop.hdfs.server.protocol.DatanodeStorage;
+import org.apache.hadoop.hdfs.server.protocol.NamenodeProtocols;
 import org.apache.hadoop.hdfs.server.protocol.ReceivedDeletedBlockInfo;
 import org.apache.hadoop.hdfs.server.protocol.StorageReceivedDeletedBlocks;
+import org.apache.hadoop.io.EnumSetWritable;
+import org.apache.hadoop.io.IOUtils;
 import org.apache.hadoop.ipc.RemoteException;
 import org.apache.hadoop.metrics2.MetricsRecordBuilder;
 import org.apache.hadoop.net.NetworkTopology;
@@ -396,8 +406,57 @@ public class TestBlockManager {
     BlockInfo block = addBlockOnNodes(testIndex, origNodes);
     assertFalse(bm.isNeededReplication(block, bm.countLiveNodes(block)));
   }
-  
-  
+
+  @Test(timeout = 60000)
+  public void testNeededReplicationWhileAppending() throws IOException {
+    Configuration conf = new HdfsConfiguration();
+    String src = "/test-file";
+    Path file = new Path(src);
+    MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).build();
+    cluster.waitActive();
+    try {
+      BlockManager bm = cluster.getNamesystem().getBlockManager();
+      FileSystem fs = cluster.getFileSystem();
+      NamenodeProtocols namenode = cluster.getNameNodeRpc();
+      DFSOutputStream out = null;
+      try {
+        out = (DFSOutputStream) (fs.create(file).
+            getWrappedStream());
+        out.write(1);
+        out.hflush();
+        out.close();
+        FSDataInputStream in = null;
+        ExtendedBlock oldBlock = null;
+        LocatedBlock oldLoactedBlock = null;
+        try {
+          in = fs.open(file);
+          oldLoactedBlock = DFSTestUtil.getAllBlocks(in).get(0);
+          oldBlock = oldLoactedBlock.getBlock();
+        } finally {
+          IOUtils.closeStream(in);
+        }
+        String clientName =
+            ((DistributedFileSystem) fs).getClient().getClientName();
+        namenode.append(src, clientName,
+            new EnumSetWritable<>(EnumSet.of(CreateFlag.APPEND)));
+        LocatedBlock newLocatedBlock =
+            namenode.updateBlockForPipeline(oldBlock, clientName);
+        ExtendedBlock newBlock =
+            new ExtendedBlock(oldBlock.getBlockPoolId(), oldBlock.getBlockId(),
+                oldBlock.getNumBytes(),
+                newLocatedBlock.getBlock().getGenerationStamp());
+        namenode.updatePipeline(clientName, oldBlock, newBlock,
+            oldLoactedBlock.getLocations(), oldLoactedBlock.getStorageIDs());
+        BlockInfo bi = bm.getStoredBlock(newBlock.getLocalBlock());
+        assertFalse(bm.isNeededReplication(bi, bm.countLiveNodes(bi)));
+      } finally {
+        IOUtils.closeStream(out);
+      }
+    } finally {
+      cluster.shutdown();
+    }
+  }
+
   /**
    * Tell the block manager that replication is completed for the given
    * pipeline.


[3/4] hadoop git commit: HDFS-9600. do not check replication if the block is under construction (Contributed by Phil Yang)

Posted by vi...@apache.org.
HDFS-9600. do not check replication if the block is under construction (Contributed by Phil Yang)

(cherry picked from commit 34cd7cd76505d01ec251e30837c94ab03319a0c1)
(cherry picked from commit aa710bd461b593b0f3d7d7ac41ca68e1aa3fa9d6)

Conflicts:
	hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
	hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DecommissionManager.java
	hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestBlockManager.java


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/5dc5bb28
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/5dc5bb28
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/5dc5bb28

Branch: refs/heads/branch-2.7
Commit: 5dc5bb2812c450e14ba73e83be0480a3a882838e
Parents: 258ef9f
Author: Vinayakumar B <vi...@apache.org>
Authored: Thu Jan 7 11:27:42 2016 +0530
Committer: Vinayakumar B <vi...@apache.org>
Committed: Thu Jan 7 11:50:12 2016 +0530

----------------------------------------------------------------------
 hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt     |  3 +
 .../server/blockmanagement/BlockManager.java    |  9 ++-
 .../blockmanagement/DecommissionManager.java    |  5 +-
 .../blockmanagement/TestBlockManager.java       | 64 +++++++++++++++++++-
 4 files changed, 76 insertions(+), 5 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/5dc5bb28/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
index cf17986..2313f13 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
+++ b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
@@ -1193,6 +1193,9 @@ Release 2.6.4 - UNRELEASED
 
   BUG FIXES
 
+    HDFS-9600. do not check replication if the block is under construction
+    (Phil Yang via vinayakumarb)
+
 Release 2.6.3 - 2015-12-17
 
   INCOMPATIBLE CHANGES

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5dc5bb28/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
index db50e44..ef784d2 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
@@ -3444,7 +3444,14 @@ public class BlockManager {
    * or if it does not have enough racks.
    */
   boolean isNeededReplication(Block b, int expected, int current) {
-    return current < expected || !isPlacementPolicySatisfied(b);
+    BlockInfoContiguous blockInfo;
+    if (b instanceof BlockInfoContiguous) {
+      blockInfo = (BlockInfoContiguous) b;
+    } else {
+      blockInfo = getStoredBlock(b);
+    }
+    return blockInfo.isComplete()
+        && (current < expected || !isPlacementPolicySatisfied(b));
   }
   
   public long getMissingBlocksCount() {

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5dc5bb28/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DecommissionManager.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DecommissionManager.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DecommissionManager.java
index 7f3d778..c76b192 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DecommissionManager.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DecommissionManager.java
@@ -253,8 +253,9 @@ public class DecommissionManager {
       NumberReplicas numberReplicas) {
     final int numExpected = bc.getBlockReplication();
     final int numLive = numberReplicas.liveReplicas();
-    if (!blockManager.isNeededReplication(block, numExpected, numLive)) {
-      // Block doesn't need replication. Skip.
+    if (numLive >= numExpected
+        && blockManager.isPlacementPolicySatisfied(block)) {
+      // Block has enough replica, skip
       LOG.trace("Block {} does not need replication.", block);
       return true;
     }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5dc5bb28/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestBlockManager.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestBlockManager.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestBlockManager.java
index 920a18d..196a38b 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestBlockManager.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestBlockManager.java
@@ -30,21 +30,28 @@ import static org.mockito.Mockito.verify;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.EnumSet;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Map.Entry;
 
 import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.CreateFlag;
+import org.apache.hadoop.fs.FSDataInputStream;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.fs.StorageType;
 import org.apache.hadoop.hdfs.DFSConfigKeys;
+import org.apache.hadoop.hdfs.DFSOutputStream;
 import org.apache.hadoop.hdfs.DFSTestUtil;
+import org.apache.hadoop.hdfs.DistributedFileSystem;
 import org.apache.hadoop.hdfs.HdfsConfiguration;
 import org.apache.hadoop.hdfs.MiniDFSCluster;
 import org.apache.hadoop.hdfs.protocol.Block;
 import org.apache.hadoop.hdfs.protocol.BlockListAsLongs;
+import org.apache.hadoop.hdfs.protocol.ExtendedBlock;
 import org.apache.hadoop.hdfs.protocol.HdfsConstants;
+import org.apache.hadoop.hdfs.protocol.LocatedBlock;
 import org.apache.hadoop.hdfs.server.blockmanagement.DatanodeDescriptor.BlockTargetPair;
 import org.apache.hadoop.hdfs.server.datanode.DataNodeTestUtils;
 import org.apache.hadoop.hdfs.server.datanode.FinalizedReplica;
@@ -53,8 +60,11 @@ import org.apache.hadoop.hdfs.server.namenode.FSNamesystem;
 import org.apache.hadoop.hdfs.server.namenode.NameNodeAdapter;
 import org.apache.hadoop.hdfs.server.protocol.DatanodeRegistration;
 import org.apache.hadoop.hdfs.server.protocol.DatanodeStorage;
+import org.apache.hadoop.hdfs.server.protocol.NamenodeProtocols;
 import org.apache.hadoop.hdfs.server.protocol.ReceivedDeletedBlockInfo;
 import org.apache.hadoop.hdfs.server.protocol.StorageReceivedDeletedBlocks;
+import org.apache.hadoop.io.EnumSetWritable;
+import org.apache.hadoop.io.IOUtils;
 import org.apache.hadoop.ipc.RemoteException;
 import org.apache.hadoop.net.NetworkTopology;
 import org.junit.Assert;
@@ -371,8 +381,58 @@ public class TestBlockManager {
     bm.processMisReplicatedBlocks();
     assertEquals(0, bm.numOfUnderReplicatedBlocks());
   }
-  
-  
+
+  @Test(timeout = 60000)
+  public void testNeededReplicationWhileAppending() throws IOException {
+    Configuration conf = new HdfsConfiguration();
+    String src = "/test-file";
+    Path file = new Path(src);
+    MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).build();
+    cluster.waitActive();
+    try {
+      BlockManager bm = cluster.getNamesystem().getBlockManager();
+      FileSystem fs = cluster.getFileSystem();
+      NamenodeProtocols namenode = cluster.getNameNodeRpc();
+      DFSOutputStream out = null;
+      try {
+        out = (DFSOutputStream) (fs.create(file).
+            getWrappedStream());
+        out.write(1);
+        out.hflush();
+        out.close();
+        FSDataInputStream in = null;
+        ExtendedBlock oldBlock = null;
+        LocatedBlock oldLoactedBlock = null;
+        try {
+          in = fs.open(file);
+          oldLoactedBlock = DFSTestUtil.getAllBlocks(in).get(0);
+          oldBlock = oldLoactedBlock.getBlock();
+        } finally {
+          IOUtils.closeStream(in);
+        }
+        String clientName =
+            ((DistributedFileSystem) fs).getClient().getClientName();
+        namenode.append(src, clientName, new EnumSetWritable<>(
+            EnumSet.of(CreateFlag.APPEND)));
+        LocatedBlock newLocatedBlock =
+            namenode.updateBlockForPipeline(oldBlock, clientName);
+        ExtendedBlock newBlock =
+            new ExtendedBlock(oldBlock.getBlockPoolId(), oldBlock.getBlockId(),
+                oldBlock.getNumBytes(),
+                newLocatedBlock.getBlock().getGenerationStamp());
+        namenode.updatePipeline(clientName, oldBlock, newBlock,
+            oldLoactedBlock.getLocations(), oldLoactedBlock.getStorageIDs());
+        BlockInfoContiguous bi = bm.getStoredBlock(newBlock.getLocalBlock());
+        assertFalse(bm.isNeededReplication(bi,
+            oldLoactedBlock.getLocations().length, bm.countLiveNodes(bi)));
+      } finally {
+        IOUtils.closeStream(out);
+      }
+    } finally {
+      cluster.shutdown();
+    }
+  }
+
   /**
    * Tell the block manager that replication is completed for the given
    * pipeline.