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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-6518) Set SO_KEEPALIVE on shuffle connections
Date Thu, 22 Oct 2015 02:53:28 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6518?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14968419#comment-14968419
] 

Hudson commented on MAPREDUCE-6518:
-----------------------------------

FAILURE: Integrated in Hadoop-Mapreduce-trunk #2513 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/2513/])
MAPREDUCE-6518. Set SO_KEEPALIVE on shuffle connections. Contributed by (jlowe: rev ee9b80acf84718b952cbb82380cd0a4dbe22dc79)
* hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-shuffle/src/main/java/org/apache/hadoop/mapred/ShuffleHandler.java
* hadoop-mapreduce-project/CHANGES.txt
* hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-shuffle/src/test/java/org/apache/hadoop/mapred/TestShuffleHandler.java


> Set SO_KEEPALIVE on shuffle connections
> ---------------------------------------
>
>                 Key: MAPREDUCE-6518
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6518
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2, nodemanager
>    Affects Versions: 2.7.1
>            Reporter: Nathan Roberts
>            Assignee: Chang Li
>             Fix For: 2.7.2
>
>         Attachments: MAPREDUCE-6518.4.patch, YARN-4052.2.patch, YARN-4052.3.patch, YARN-4052.patch
>
>
> Shuffle handler does not set SO_KEEPALIVE so we've seen cases where FDs/sockets get stuck
in ESTABLISHED state indefinitely because the server did not see the client leave (network
cut or otherwise). 



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