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https://issues.apache.org/jira/browse/YARN-4761?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16349871#comment-16349871
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Sourabh Goyal commented on YARN-4761:
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[~templedf] [~yufeigu]: Looking at the code, I think it is ok to get rid of
RMNode.getTotalCapability() in FSAppAttempt.java but would really appreciate
your thoughts on this.
> NMs reconnecting with changed capabilities can lead to wrong cluster resource
> calculations on fair scheduler
> ------------------------------------------------------------------------------------------------------------
>
> Key: YARN-4761
> URL: https://issues.apache.org/jira/browse/YARN-4761
> Project: Hadoop YARN
> Issue Type: Bug
> Components: fairscheduler
> Affects Versions: 2.6.4
> Reporter: Sangjin Lee
> Assignee: Sangjin Lee
> Priority: Major
> Fix For: 2.8.0, 2.7.3, 2.6.5, 3.0.0-alpha1
>
> Attachments: YARN-4761.01.patch, YARN-4761.02.patch
>
>
> YARN-3802 uncovered an issue with the scheduler where the resource
> calculation can be incorrect due to async event handling. It was subsequently
> fixed by YARN-4344, but it was never fixed for the fair scheduler.
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