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https://issues.apache.org/jira/browse/YARN-4945?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sunil G updated YARN-4945:
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Attachment: YARN-2009.v0.patch
Attaching v0 patch.
Thanks [~eepayne] for the comments
bq.keep looking for another container to mark as preemptable. Is that correct?
Yes. My intention was more or less the same. In this new patch, I used a
similar approach done in FiFoCandidatesSelector. Please help to check the same.
bq.I think that priority and user-limit-percent preemption policies should be
separate policies
I was planning to make {{IntraQueueCandidatesSelector}} as a basic framework.
Then use preemption/usr-limit specific policy to calculate
{{resourceTOObtain}}. I have made this separation in the new patch. And also
defined a basic interface for {{IntraQueuePreemtionPolicy}}.
> [Umbrella] Capacity Scheduler Preemption Within a queue
> -------------------------------------------------------
>
> Key: YARN-4945
> URL: https://issues.apache.org/jira/browse/YARN-4945
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Wangda Tan
> Attachments: Intra-Queue Preemption Use Cases.pdf,
> IntraQueuepreemption-CapacityScheduler (Design).pdf, YARN-2009-wip.2.patch,
> YARN-2009-wip.patch, YARN-2009-wip.v3.patch, YARN-2009.v0.patch
>
>
> This is umbrella ticket to track efforts of preemption within a queue to
> support features like:
> YARN-2009. YARN-2113. YARN-4781.
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