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From "Chang Li (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-4052) Set SO_KEEPALIVE on NM servers
Date Fri, 16 Oct 2015 18:43:05 GMT

     [ https://issues.apache.org/jira/browse/YARN-4052?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Chang Li updated YARN-4052:
---------------------------
    Attachment: YARN-4052.2.patch

.2 patch include a unit test

> Set SO_KEEPALIVE on NM servers
> ------------------------------
>
>                 Key: YARN-4052
>                 URL: https://issues.apache.org/jira/browse/YARN-4052
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 2.7.1
>            Reporter: Nathan Roberts
>            Assignee: Chang Li
>         Attachments: YARN-4052.2.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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