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https://issues.apache.org/jira/browse/MAPREDUCE-4323?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13431215#comment-13431215
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Daryn Sharp commented on MAPREDUCE-4323:
----------------------------------------

Yes, I should have commented on the title change.  Log aggregation is leaking, 
which I fixed in this patch, but something else is also leaking.  I suspected 
localization, and Jason Lowe and I tracked it down so I'll fix it in this patch 
too.
                
> NM log aggregator leaks filesystems
> -----------------------------------
>
>                 Key: MAPREDUCE-4323
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4323
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 0.23.0, 0.24.0, 2.0.0-alpha
>            Reporter: Daryn Sharp
>            Assignee: Daryn Sharp
>            Priority: Critical
>         Attachments: MAPREDUCE-4323.patch
>
>
> The NM is exhausting its fds because it's not closing fs instances when the 
> app is finished.

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