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From "Ravi Gummadi (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-3519) Deadlock in LocalDirsHandlerService and ShuffleHandler
Date Thu, 08 Dec 2011 05:03:40 GMT
Deadlock in LocalDirsHandlerService and ShuffleHandler
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                 Key: MAPREDUCE-3519
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3519
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: nodemanager
    Affects Versions: 0.23.1, 0.24.0
            Reporter: Ravi Gummadi
            Assignee: Ravi Gummadi
             Fix For: 0.23.1


MAPREDUCE-3121 cloned Configuration object in LocalDirsHandlerService.init() to avoid others
to access that configuration object. But since it is set in the base class of LocalDirsHandlerService
using super.init(conf), it is reflected and is accessible to some other services. This is
causing a deadlock when accessing this configuration object from LocalDirsHandlerService and
ShuffleHandler along with AllocatorPerContext object.

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