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https://issues.apache.org/jira/browse/YARN-6895?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16113717#comment-16113717
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Yufei Gu commented on YARN-6895:
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Thanks for the patch, [[email protected]]. Committed to branch-2.
> [FairScheduler] Preemption reservation may cause regular reservation leaks
> --------------------------------------------------------------------------
>
> Key: YARN-6895
> URL: https://issues.apache.org/jira/browse/YARN-6895
> Project: Hadoop YARN
> Issue Type: Bug
> Components: fairscheduler
> Affects Versions: 3.0.0-alpha4
> Reporter: Miklos Szegedi
> Assignee: Miklos Szegedi
> Priority: Blocker
> Fix For: 2.9.0, 3.0.0-beta1
>
> Attachments: YARN-6895.000.patch, YARN-6895.001.patch,
> YARN-6895.branch-2.000.patch, YARN-6895.branch-2.001.patch
>
>
> We found a limitation in the implementation of YARN-6432. If the container
> released is smaller than the preemption request, a node reservation is
> created that is never deleted.
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