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https://issues.apache.org/jira/browse/YARN-10559?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sunil G reassigned YARN-10559:
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Assignee: VADAGA ANANYO RAO
> Fair sharing intra-queue preemption support in Capacity Scheduler
> -----------------------------------------------------------------
>
> Key: YARN-10559
> URL: https://issues.apache.org/jira/browse/YARN-10559
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: capacityscheduler
> Affects Versions: 3.1.4
> Reporter: VADAGA ANANYO RAO
> Assignee: VADAGA ANANYO RAO
> Priority: Major
> Fix For: 3.1.4
>
> Attachments: FairOP_preemption-design_doc_v1.pdf,
> YARN-10559.0001.patch
>
> Original Estimate: 168h
> Remaining Estimate: 168h
>
> Usecase:
> Due to the way Capacity Scheduler preemption works, If a single user submits
> a large application to a queue (using 100% of resources), that job will not
> be preempted by future applications from the same user within the same queue.
> This implies that the later applications will be forced to wait for
> completion of the long running application. This prevents multiple long
> running, large, applications from running concurrently.
> Support fair sharing among apps while preempting applications from same queue.
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