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https://issues.apache.org/jira/browse/YARN-6582?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16025424#comment-16025424
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Yufei Gu commented on YARN-6582:
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Committed to trunk and branch-2. Thanks [~kasha] for the patch.
> FSAppAttempt demand can be updated atomically in updateDemand()
> ---------------------------------------------------------------
>
> Key: YARN-6582
> URL: https://issues.apache.org/jira/browse/YARN-6582
> Project: Hadoop YARN
> Issue Type: Improvement
> Reporter: Karthik Kambatla
> Assignee: Karthik Kambatla
> Fix For: 2.9.0, 3.0.0-alpha3
>
> Attachments: YARN-6582.001.patch
>
>
> FSAppAttempt#updateDemand first sets demand to 0, and then adds up all the
> outstanding requests. Instead, we could use another variable tmpDemand to
> build the new value and atomically replace the demand.
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