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https://issues.apache.org/jira/browse/YARN-10625?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17284777#comment-17284777
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Benjamin Teke commented on YARN-10625:
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[~pbacsko] thanks for the patch. LGTM +1 (non-binding). I agree with the doc
update, as the global property doesn't overwrite the queue level ones, which
can be non-trivial.
> FairScheduler: add global flag to disable AM-preemption
> -------------------------------------------------------
>
> Key: YARN-10625
> URL: https://issues.apache.org/jira/browse/YARN-10625
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: fairscheduler
> Affects Versions: 3.3.0
> Reporter: Peter Bacsko
> Assignee: Peter Bacsko
> Priority: Major
> Attachments: YARN-10625-001.patch
>
>
> YARN-9537 added a feature to disable AM preemption on a per queue basis.
> This is a nice enhancement, but it's very inconvenient if the cluster has a
> lot of queues or queues dynamically created/deleted regularly (static queue
> configuration changes).
> It's a legitimate use-case to have AM preemption turned off completely. To
> make it easier, add property which acts as a global flag for this feature.
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