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https://issues.apache.org/jira/browse/YARN-2009?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15507846#comment-15507846
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Wangda Tan commented on YARN-2009:
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bq. I see. I wasn't suggesting that preemption should balance all users, only
those that are asking.
But I think we need an overhaul for user-limit related logic in CS so we can
better balancing usages between users, which should be a part of the
intra-queue preemption story. We can discuss more once this JIRA is done.
> Priority support for preemption in ProportionalCapacityPreemptionPolicy
> -----------------------------------------------------------------------
>
> Key: YARN-2009
> URL: https://issues.apache.org/jira/browse/YARN-2009
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: capacityscheduler
> Reporter: Devaraj K
> Assignee: Sunil G
> Attachments: YARN-2009.0001.patch, YARN-2009.0002.patch
>
>
> While preempting containers based on the queue ideal assignment, we may need
> to consider preempting the low priority application containers first.
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