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From "Jason Lowe (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-4801) ShuffleHandler can generate large logs due to prematurely closed channels
Date Thu, 15 Nov 2012 20:05:13 GMT
Jason Lowe created MAPREDUCE-4801:
-------------------------------------

             Summary: ShuffleHandler can generate large logs due to prematurely closed channels
                 Key: MAPREDUCE-4801
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4801
             Project: Hadoop Map/Reduce
          Issue Type: Bug
    Affects Versions: 2.0.1-alpha, 0.23.3
            Reporter: Jason Lowe
            Priority: Critical


We ran into an instance where many nodes on a cluster ran out of disk space because the nodemanager
logs were huge.  Examining the logs showed many, many shuffle errors due to either ClosedChannelException
or IOException from "Connection reset by peer" or "Broken pipe".


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