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From "Eric Payne (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2009) Priority support for preemption in ProportionalCapacityPreemptionPolicy
Date Mon, 10 Nov 2014 22:14:35 GMT

    [ https://issues.apache.org/jira/browse/YARN-2009?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14205419#comment-14205419
] 

Eric Payne commented on YARN-2009:
----------------------------------

Hi [~sunilg]. If I understand correctly, this Jira is not intended to implement preemption
within a single queue. Rather, the intent is to change ProportionalCapacityPreemptionPolicy
so that when selecting containers to preempt from a queue, choose the lower priority ones
first. Is that correct?

> 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
>
> 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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