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Posted to yarn-issues@hadoop.apache.org by "Masatake Iwasaki (Jira)" <ji...@apache.org> on 2022/07/12 16:07:00 UTC

[jira] [Commented] (YARN-9007) CS preemption monitor should only select GUARANTEED containers as candidates for queue and reserved container preemption

    [ https://issues.apache.org/jira/browse/YARN-9007?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17565897#comment-17565897 ] 

Masatake Iwasaki commented on YARN-9007:
----------------------------------------

update the targets to 3.2.5 for preparing 3.2.4 release.

> CS preemption monitor should only select GUARANTEED containers as candidates for queue and reserved container preemption
> ------------------------------------------------------------------------------------------------------------------------
>
>                 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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