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From "Sunil G (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2009) Priority support for preemption in ProportionalCapacityPreemptionPolicy
Date Thu, 14 Jan 2016 13:14:40 GMT

    [ https://issues.apache.org/jira/browse/YARN-2009?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15098085#comment-15098085
] 

Sunil G commented on YARN-2009:
-------------------------------

Thanks [~leftnoteasy] for sharing the updates. I will also take  a look on YARN-4108.

bq.I think how to choose to-be preempted containers should be handled inside PCPP by different
policies
At first step, this will be really helpful and it will make code more easier and understandable.
For in queue preemption, I will work on a similar approach what is taken in PCPP and will
post a doc here. I think it can be another policy which is independent of PCPP, but could
share few common code as possible.

> 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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