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https://issues.apache.org/jira/browse/YARN-4348?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15046951#comment-15046951
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Tsuyoshi Ozawa commented on YARN-4348:
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Now I committed this to branch-2.6.3 too. Thanks!
> ZKRMStateStore.syncInternal shouldn't wait for sync completion for avoiding
> blocking ZK's event thread
> ------------------------------------------------------------------------------------------------------
>
> Key: YARN-4348
> URL: https://issues.apache.org/jira/browse/YARN-4348
> Project: Hadoop YARN
> Issue Type: Bug
> Affects Versions: 2.7.2, 2.6.2
> Reporter: Tsuyoshi Ozawa
> Assignee: Tsuyoshi Ozawa
> Priority: Blocker
> Fix For: 2.6.3, 2.7.3
>
> Attachments: YARN-4348-branch-2.7.002.patch,
> YARN-4348-branch-2.7.003.patch, YARN-4348-branch-2.7.004.patch,
> YARN-4348.001.patch, YARN-4348.001.patch, log.txt
>
>
> Jian mentioned that the current internal ZK configuration of ZKRMStateStore
> can cause a following situation:
> 1. syncInternal timeouts,
> 2. but sync succeeded later on.
> We should use zkResyncWaitTime as the timeout value.
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