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https://issues.apache.org/jira/browse/YARN-4344?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15022933#comment-15022933
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Jason Lowe commented on YARN-4344:
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+1 for branch-2.6 patch as well, committing this.
> NMs reconnecting with changed capabilities can lead to wrong cluster resource
> calculations
> ------------------------------------------------------------------------------------------
>
> Key: YARN-4344
> URL: https://issues.apache.org/jira/browse/YARN-4344
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Affects Versions: 2.7.1, 2.6.2
> Reporter: Varun Vasudev
> Assignee: Varun Vasudev
> Priority: Critical
> Attachments: YARN-4344-branch-2.6.001.patch, YARN-4344.001.patch,
> YARN-4344.002.patch
>
>
> After YARN-3802, if an NM re-connects to the RM with changed capabilities,
> there can arise situations where the overall cluster resource calculation for
> the cluster will be incorrect leading to inconsistencies in scheduling.
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