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https://issues.apache.org/jira/browse/YARN-4052?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chang Li reassigned YARN-4052:
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Assignee: Chang Li
> 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.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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