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https://issues.apache.org/jira/browse/YARN-1121?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13850174#comment-13850174
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Jian He commented on YARN-1121:
-------------------------------
bq. I also think the sync should be outside the while loop to protect drained
variable?
Disregard this comment, given drained is a volatile, I think it's fine to put
sync inside the while loop.
> 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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