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https://issues.apache.org/jira/browse/YARN-1121?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13850088#comment-13850088
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Bikas Saha commented on YARN-1121:
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I meant should it not be enough to just check for drained since the wait
condition is only checking for drained. There could be errors if the notify and
the wait conditions are different.
> RMStateStore should flush all pending store events before closing
> -----------------------------------------------------------------
>
> Key: YARN-1121
> URL: https://issues.apache.org/jira/browse/YARN-1121
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: resourcemanager
> Affects Versions: 2.1.0-beta
> Reporter: Bikas Saha
> Assignee: Jian He
> Fix For: 2.4.0
>
> Attachments: YARN-1121.1.patch, YARN-1121.2.patch, YARN-1121.2.patch,
> YARN-1121.3.patch, YARN-1121.4.patch, YARN-1121.5.patch, YARN-1121.6.patch,
> YARN-1121.6.patch, YARN-1121.7.patch, YARN-1121.8.patch
>
>
> on serviceStop it should wait for all internal pending events to drain before
> stopping.
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