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Posted to yarn-dev@hadoop.apache.org by "Nathan Roberts (JIRA)" <ji...@apache.org> on 2015/08/13 19:02:46 UTC

[jira] [Created] (YARN-4052) Set SO_KEEPALIVE on NM servers

Nathan Roberts created YARN-4052:
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             Summary: 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


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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