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https://issues.apache.org/jira/browse/YARN-2136?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14097513#comment-14097513
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Varun Saxena commented on YARN-2136:
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However, if we do flip the order of these statements, I think we can then have
a FENCED state because when we stop the dispatcher queue, it will be drained
first and hence the pending events will be processed first. In this case,
store/update will be sent to ZK. What's your opinion, [~jianhe] and [~sunilg] ?
> RMStateStore can explicitly handle store/update events when fenced
> ------------------------------------------------------------------
>
> Key: YARN-2136
> URL: https://issues.apache.org/jira/browse/YARN-2136
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Jian He
>
> RMStateStore can choose to handle/ignore store/update events upfront instead
> of invoking more ZK operations if state store is at fenced state.
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