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https://issues.apache.org/jira/browse/YARN-4945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15432961#comment-15432961
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Sunil G commented on YARN-4945:
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Thank you [~eepayne] for the detailed explanation.
bq.I want to make sure we are talking about the same thing, so I would like to
expressly clarify what I mean by user-limit
Thanks for the details here. It makes much sense now. With
minimum-user-limit-percent, we are just trying to ensure a minimum percentage
of resource for all users. I think, we need not having to worry about user
level headroom here then. It becomes more clear and simple now.
bq.I think it would be helpful to define use cases so that everyone is clear
about what problems we are trying to solve. I will make an attempt at that and
post a doc here.
Perfect.
I will soon upload a cleaner version patch with basic UT.
> [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: IntraQueuepreemption-CapacityScheduler (Design).pdf,
> YARN-2009-wip.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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