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From "Daryn Sharp (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4340) Node Manager leaks socket connections connected to Data Node
Date Tue, 19 Jun 2012 18:14:43 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4340?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13396959#comment-13396959
] 

Daryn Sharp commented on MAPREDUCE-4340:
----------------------------------------

This appears to be a duplicate of MAPREDUCE-4323.  I'm testing a fix using {{closeAllForUGI}}
that will prevent both the socket leak AND the DFS/DFSClient leaks.
                
> Node Manager leaks socket connections connected to Data Node
> ------------------------------------------------------------
>
>                 Key: MAPREDUCE-4340
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4340
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2, nodemanager
>    Affects Versions: 2.0.0-alpha, 3.0.0
>            Reporter: Devaraj K
>            Assignee: Devaraj K
>            Priority: Critical
>
> I am running simple wordcount example with default configurations, for every job run
it increases one datanode socket connection and it will be there in CLOSE_WAIT state forever.

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