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https://issues.apache.org/jira/browse/YARN-8095?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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kyungwan nam updated YARN-8095:
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Attachment: YARN-8095-branch-2.8.001.patch
> Allow disable non-exclusive allocation
> --------------------------------------
>
> Key: YARN-8095
> URL: https://issues.apache.org/jira/browse/YARN-8095
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: capacity scheduler
> Affects Versions: 2.8.3
> Reporter: kyungwan nam
> Priority: Major
> Attachments: YARN-8095-branch-2.8.001.patch
>
>
> We have 'longlived' Queue, which is used for long-lived apps.
> In situation where default Partition resources are not enough, containers for
> long-lived app can be allocated to sharable Partition.
> Since then, containers for long-lived app can be easily preempted.
> We don’t want long-lived apps to be killed abruptly.
> Currently, non-exclusive allocation can happen regardless of whether the
> queue is accessible to the sharable Partition.
> It would be good if non-exclusive allocation can be disabled at queue level.
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