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From "Sunil G (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-2009) Priority support for preemption in ProportionalCapacityPreemptionPolicy
Date Mon, 17 Oct 2016 19:32:00 GMT

     [ https://issues.apache.org/jira/browse/YARN-2009?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sunil G updated YARN-2009:
--------------------------
    Attachment: YARN-2009.0008.patch

Updating new patch with jenkin fix and AM used scenario.

I added the check mentioned by [~eepayne] in {{calculateToBePreemptedResourcePerApp}}, but
also added back these saved resources as pre-emptable resource for next higher priority apps
to balance out.. Added various tests to cover the same.



> 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
>
>
> 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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