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Posted to yarn-issues@hadoop.apache.org by "Tao Yang (JIRA)" <ji...@apache.org> on 2018/11/10 12:38:00 UTC
[jira] [Updated] (YARN-9007) CS preemption monitor should only
select GUARANTEED containers as candidates
[ 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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