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From "Eric Payne (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2009) Priority support for preemption in ProportionalCapacityPreemptionPolicy
Date Thu, 20 Oct 2016 21:02:59 GMT

    [ https://issues.apache.org/jira/browse/YARN-2009?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15593001#comment-15593001
] 

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

Hi [~sunilg]. I am confused by something you said in the [comment above|https://issues.apache.org/jira/browse/YARN-2009?focusedCommentId=15591597&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15591597]:
{quote}
I tested below case
{code}
...
            "b\t" // app3 in b
            + "(4,1,n1,,40,false,20,_user1_);" + // app3 b
            "b\t" // app1 in a
            + "(6,1,n1,,5,false,30,_user2_)";
...
{code}
{quote}
I assumed that the above was from a unit test. As far as I can tell, nothing in the {{o.a.h.y.s.r.monitor.capacity}}
framework supports testing with different users. Were you using the above code as pseudocode
to document a manual test?

> 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
>         Attachments: YARN-2009.0001.patch, YARN-2009.0002.patch, YARN-2009.0003.patch,
YARN-2009.0004.patch, YARN-2009.0005.patch, YARN-2009.0006.patch, YARN-2009.0007.patch, YARN-2009.0008.patch,
YARN-2009.0009.patch, YARN-2009.0010.patch, YARN-2009.0011.patch
>
>
> 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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