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From "Tao Yang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-9007) CS preemption monitor should only select GUARANTEED containers as candidates
Date Sat, 10 Nov 2018 12:38:00 GMT

     [ https://issues.apache.org/jira/browse/YARN-9007?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tao Yang updated YARN-9007:
---------------------------
    Attachment: YARN-9007.001.patch

> CS preemption monitor should only select GUARANTEED containers as candidates
> ----------------------------------------------------------------------------
>
>                 Key: YARN-9007
>                 URL: https://issues.apache.org/jira/browse/YARN-9007
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: capacityscheduler
>    Affects Versions: 3.2.1
>            Reporter: Tao Yang
>            Assignee: Tao Yang
>            Priority: Major
>         Attachments: YARN-9007.001.patch
>
>
> Currently CS preemption monitor doesn't consider execution type of containers, so OPPORTUNISTIC
containers maybe selected and killed without effect.
> In some scenario with OPPORTUNISTIC containers, not even preemption can't work properly
to balance resources, but also some apps with OPPORTUNISTIC containers maybe effected and
unable to work.



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