Author: szetszwo
Date: Thu Aug 15 04:55:33 2013
New Revision: 1514157
URL: http://svn.apache.org/r1514157
Log:
svn merge -c 1514156 from trunk for HDFS-4898.
BlockPlacementPolicyWithNodeGroup.chooseRemoteRack() fails to properly fallback
to local rack.
Modified:
hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/ (props
changed)
hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/
(props changed)
hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockPlacementPolicyWithNodeGroup.java
Propchange: hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/
------------------------------------------------------------------------------
Merged /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs:r1514156
Modified:
hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
URL:
http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt?rev=1514157&r1=1514156&r2=1514157&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
(original)
+++ hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
Thu Aug 15 04:55:33 2013
@@ -98,6 +98,9 @@ Release 2.1.1-beta - UNRELEASED
HDFS-5051. nn fails to download checkpointed image from snn in some
setups. (Vinay and suresh via suresh)
+ HDFS-4898. BlockPlacementPolicyWithNodeGroup.chooseRemoteRack() fails to
+ properly fallback to local rack. (szetszwo)
+
Release 2.1.0-beta - 2013-08-06
INCOMPATIBLE CHANGES
Propchange:
hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/
------------------------------------------------------------------------------
Merged
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java:r1514156
Modified:
hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockPlacementPolicyWithNodeGroup.java
URL:
http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockPlacementPolicyWithNodeGroup.java?rev=1514157&r1=1514156&r2=1514157&view=diff
==============================================================================
---
hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockPlacementPolicyWithNodeGroup.java
(original)
+++
hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockPlacementPolicyWithNodeGroup.java
Thu Aug 15 04:55:33 2013
@@ -189,15 +189,18 @@ public class BlockPlacementPolicyWithNod
boolean avoidStaleNodes)
throws NotEnoughReplicasException {
int oldNumOfReplicas = results.size();
- // randomly choose one node from remote racks
+
+ final String rackLocation = NetworkTopology.getFirstHalf(
+ localMachine.getNetworkLocation());
try {
- chooseRandom(numOfReplicas, "~"+NetworkTopology.getFirstHalf(
- localMachine.getNetworkLocation()),
- excludedNodes, blocksize, maxReplicasPerRack, results, avoidStaleNodes);
+ // randomly choose from remote racks
+ chooseRandom(numOfReplicas, "~" + rackLocation, excludedNodes, blocksize,
+ maxReplicasPerRack, results, avoidStaleNodes);
} catch (NotEnoughReplicasException e) {
- chooseRandom(numOfReplicas-(results.size()-oldNumOfReplicas),
- localMachine.getNetworkLocation(), excludedNodes, blocksize,
- maxReplicasPerRack, results, avoidStaleNodes);
+ // fall back to the local rack
+ chooseRandom(numOfReplicas - (results.size() - oldNumOfReplicas),
+ rackLocation, excludedNodes, blocksize,
+ maxReplicasPerRack, results, avoidStaleNodes);
}
}
