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Hudson commented on MAPREDUCE-3519: ----------------------------------- Integrated in Hadoop-Common-trunk-Commit #1394 (See [https://builds.apache.org/job/Hadoop-Common-trunk-Commit/1394/]) MAPREDUCE-3519. Fixed a deadlock in NodeManager LocalDirectories's handling service. Contributed by Ravi Gummadi. vinodkv : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1212680 Files : * /hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt * /hadoop/common/trunk/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. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira