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https://issues.apache.org/jira/browse/YARN-3826?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14599937#comment-14599937
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Devaraj K commented on YARN-3826:
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[~chengbing.liu], Did you get any chance to look into the above comment on the
patch? Thanks
> Race condition in ResourceTrackerService: potential wrong diagnostics messages
> ------------------------------------------------------------------------------
>
> Key: YARN-3826
> URL: https://issues.apache.org/jira/browse/YARN-3826
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Affects Versions: 2.7.0
> Reporter: Chengbing Liu
> Assignee: Chengbing Liu
> Attachments: YARN-3826.01.patch
>
>
> Since we are calling {{setDiagnosticsMessage}} in {{nodeHeartbeat}}, which
> can be called concurrently, the static {{resync}} and {{shutdown}} may have
> wrong diagnostics messages in some cases.
> On the other side, these static members can hardly save any memory, since the
> normal heartbeat responses are created for each heartbeat.
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