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From "Jason Lowe (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (MAPREDUCE-5584) ShuffleHandler becomes unresponsive during gridmix runs and can leak file descriptors
Date Fri, 24 Jan 2014 15:56:43 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-5584?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jason Lowe resolved MAPREDUCE-5584.
-----------------------------------

    Resolution: Duplicate

This has been fixed by the addendum patch in HADOOP-9652.

> ShuffleHandler becomes unresponsive during gridmix runs and can leak file descriptors
> -------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-5584
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5584
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 2.4.0
>            Reporter: Jason Lowe
>            Priority: Blocker
>
> While running gridmix on 2.3 we noticed that jobs are running much slower than normal.
 We tracked this down to reducers having difficulties shuffling data from maps.  Details to
follow.



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