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https://issues.apache.org/jira/browse/MAPREDUCE-3519?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13166671#comment-13166671
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Hudson commented on MAPREDUCE-3519:
-----------------------------------
Integrated in Hadoop-Common-0.23-Commit #266 (See
[https://builds.apache.org/job/Hadoop-Common-0.23-Commit/266/])
MAPREDUCE-3519. Fixed a deadlock in NodeManager LocalDirectories's handling
service. Contributed by Ravi Gummadi.
svn merge -c 1212680 --ignore-ancestry ../../trunk
vinodkv :
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1212681
Files :
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/CHANGES.txt
*
/hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/LocalDirsHandlerService.java
> Deadlock in LocalDirsHandlerService and ShuffleHandler
> ------------------------------------------------------
>
> Key: MAPREDUCE-3519
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3519
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2, nodemanager
> Affects Versions: 0.23.1, 0.24.0
> Reporter: Ravi Gummadi
> Assignee: Ravi Gummadi
> Priority: Blocker
> Fix For: 0.23.1
>
> Attachments: 3519.patch, 3519.v1.patch, deadlock.txt
>
>
> MAPREDUCE-3121 cloned Configuration object in LocalDirsHandlerService.init()
> to avoid others to access that configuration object. But since it is used in
> local FileSystem object creation in LocalDirAllocator.AllocatorPerContext and
> the same FileSystem object is used in
> ShuffleHandler.Shuffle.localDirAllocator, this is causing a deadlock when
> accessing this configuration object from LocalDirsHandlerService and
> ShuffleHandler along with AllocatorPerContext object.
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