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