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https://issues.apache.org/jira/browse/YARN-10390?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17193833#comment-17193833
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Eric Payne commented on YARN-10390:
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Unit test failure for {{TestFairSchedulerPreemption}} is the same as YARN-9333.
> LeafQueue: retain user limits cache across assignContainers() calls
> -------------------------------------------------------------------
>
> Key: YARN-10390
> URL: https://issues.apache.org/jira/browse/YARN-10390
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: capacity scheduler, capacityscheduler
> Reporter: Muhammad Samir Khan
> Assignee: Muhammad Samir Khan
> Priority: Major
> Attachments: YARN-10390.002.patch, user limit caching profile.pdf
>
>
> Currently, user limits are cached locally in leafQueue.assignContainers call
> to avoid repeating some steps. This cache can be retained across the calls.
> Will put up a PR soon. Profiling was done using the proposed changes in
> TestCapacitySchedulerPerf.
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