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https://issues.apache.org/jira/browse/HDFS-6680?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14070361#comment-14070361
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Hudson commented on HDFS-6680:
------------------------------
SUCCESS: Integrated in Hadoop-Mapreduce-trunk #1839 (See
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1839/])
HDFS-6680. BlockPlacementPolicyDefault does not choose favored nodes correctly.
(szetszwo:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1612427)
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockPlacementPolicyDefault.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockPlacementPolicyWithNodeGroup.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFavoredNodesEndToEnd.java
> BlockPlacementPolicyDefault does not choose favored nodes correctly
> -------------------------------------------------------------------
>
> Key: HDFS-6680
> URL: https://issues.apache.org/jira/browse/HDFS-6680
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Reporter: Tsz Wo Nicholas Sze
> Assignee: Tsz Wo Nicholas Sze
> Fix For: 2.5.0
>
> Attachments: h6680_20140714.patch, h6680_20140716.patch
>
>
> In one of the chooseTarget(..) methods, it tries all the favoredNodes to
> chooseLocalNode(..). It expects chooseLocalNode to return null if the local
> node is not a good target. Unfortunately, chooseLocalNode will fallback to
> chooseLocalRack but not returning null.
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