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https://issues.apache.org/jira/browse/HADOOP-8495?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thomas Graves updated HADOOP-8495:
----------------------------------
Resolution: Fixed
Fix Version/s: 0.23.3
Status: Resolved (was: Patch Available)
Thanks Jason! I've committed this to trunk, branch-2, and branch-0.23.
> 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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