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https://issues.apache.org/jira/browse/YARN-4945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15395858#comment-15395858
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Sunil G commented on YARN-4945:
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Extremely sorry for the delay.
bq. With the proposed design, is it possible for an app to be preempted that is
below its user limit?
Yes, we should consider this case and should not allow preemption. However
there could be bounder line scenarios where high priority apps has more demand
and we might preempt apps (few containers) which may just over user-limit. Such
deadzones will also be considered to avoid over kills. We can see how existing
tuning configs can be made use of intra-queue scenarios too
> [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
>
> 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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