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https://issues.apache.org/jira/browse/YARN-5613?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15457093#comment-15457093
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Daniel Templeton commented on YARN-5613:
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Hold the phone. Unfortunately, I'm persistent, and with more testing I was
eventually able to reproduce the error, even with this patch. [sigh]
> Fair Scheduler can assign containers from blacklisted nodes
> -----------------------------------------------------------
>
> Key: YARN-5613
> URL: https://issues.apache.org/jira/browse/YARN-5613
> Project: Hadoop YARN
> Issue Type: Bug
> Components: fairscheduler
> Affects Versions: 2.8.0
> Reporter: Daniel Templeton
> Assignee: Daniel Templeton
> Attachments: YARN-5613.001.patch
>
>
> The {{FairScheduler.allocate()}} makes its resource request before it updates
> the blacklist. If the scheduler processes the resource request before the
> allocating thread updates the blacklist, the scheduler can assign containers
> that are on nodes in the blacklist.
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