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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