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Posted to common-issues@hadoop.apache.org by "Arun C Murthy (JIRA)" <ji...@apache.org> on 2012/10/11 19:46:30 UTC

[jira] [Closed] (HADOOP-8495) Update Netty to avoid leaking file descriptors during shuffle

     [ https://issues.apache.org/jira/browse/HADOOP-8495?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Arun C Murthy closed HADOOP-8495.
---------------------------------

    
> 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, 2.0.2-alpha
>
>         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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