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https://issues.apache.org/jira/browse/YARN-6246?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15904237#comment-15904237
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Tao Jie commented on YARN-6246:
-------------------------------
Thank you [~kasha] for working on this.
It seems to me that checking starvation is only works on leafqueue, can we just
go through leafqueues by {{queueMgr.getLeafQueues()}} rather than a top-down
approach? I hope it could be more efficient.
> Identifying starved apps does not need the scheduler writelock
> --------------------------------------------------------------
>
> Key: YARN-6246
> URL: https://issues.apache.org/jira/browse/YARN-6246
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: fairscheduler
> Affects Versions: 2.9.0
> Reporter: Karthik Kambatla
> Assignee: Karthik Kambatla
> Attachments: YARN-6246.001.patch
>
>
> Currently, the starvation checks are done holding the scheduler writelock. We
> are probably better of doing this outside.
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