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https://issues.apache.org/jira/browse/YARN-2009?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15576735#comment-15576735
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Eric Payne commented on YARN-2009:
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Hi [~sunilg]. I think I would suggest to do the following:
{code:title=current
FifoIntraQueuePreemptionPlugin#calculateToBePreemptedResourcePerApp}
Resources.subtractFrom(preemtableFromApp, tmpApp.getAMUsed());
{code}
{code:title=suggested
FifoIntraQueuePreemptionPlugin#calculateToBePreemptedResourcePerApp}
if (Resources.lessThan(rc, clusterResource,
Resources.subtract(tmpApp.getUsed(), preemtableFromApp),
tmpApp.getAMUsed())) {
Resources.subtractFrom(preemtableFromApp, tmpApp.getAMUsed());
}
{code}
> 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,
> YARN-2009.0003.patch, YARN-2009.0004.patch, YARN-2009.0005.patch,
> YARN-2009.0006.patch, YARN-2009.0007.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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