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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-8495) Update Netty to avoid leaking file descriptors during shuffle
Date Mon, 18 Jun 2012 16:03:45 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8495?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13395982#comment-13395982
] 

Hudson commented on HADOOP-8495:
--------------------------------

Integrated in Hadoop-Mapreduce-trunk-Commit #2384 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk-Commit/2384/])
    HADOOP-8495. Update Netty to avoid leaking file descriptors during shuffle (Jason Lowe
via tgraves) (Revision 1351363)

     Result = FAILURE
tgraves : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1351363
Files : 
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
* /hadoop/common/trunk/hadoop-project/pom.xml

                
> Update Netty to avoid leaking file descriptors during shuffle
> -------------------------------------------------------------
>
>                 Key: HADOOP-8495
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8495
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: build
>    Affects Versions: 0.23.3, 2.0.0-alpha, 3.0.0
>            Reporter: Jason Lowe
>            Assignee: Jason Lowe
>            Priority: Critical
>             Fix For: 0.23.3
>
>         Attachments: HADOOP-8495.patch
>
>
> Netty 3.2.3.Final has a known bug where writes to a closed channel do not have their
futures invoked.  See [Netty-374|https://issues.jboss.org/browse/NETTY-374].  This can lead
to file descriptor leaks during shuffle as noted in MAPREDUCE-4298.

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