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https://issues.apache.org/jira/browse/YARN-6243?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15887143#comment-15887143
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Sunil G commented on YARN-6243:
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During async sync thread allocation, is it possible that queue used may be
changed?
If queue used is not changed, may {{canAssignToThisQueue}} need not have to be
invoked provided there are no resource changes in cluster (add/remove node). Is
this what you are also thinking?
> CapacityScheduler: canAssignToThisQueue should be called only when necessary
> ----------------------------------------------------------------------------
>
> Key: YARN-6243
> URL: https://issues.apache.org/jira/browse/YARN-6243
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Wangda Tan
>
> Now canAssignToThisQueue is called when iterating apps in a LeafQueue, we
> should optimize this.
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