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https://issues.apache.org/jira/browse/YARN-9277?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16770420#comment-16770420
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Zhaohui Xin commented on YARN-9277:
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In my opinion, preempting one container which has been running more than 10
hours is equivalent to preempt 10 containers which have been running in 1 hour.
So we should preempt short-running containers firstly.
[~yufeigu], [~wilfreds]. How do you think this? I attached new patch.:D
> Add more restrictions In FairScheduler Preemption
> --------------------------------------------------
>
> Key: YARN-9277
> URL: https://issues.apache.org/jira/browse/YARN-9277
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: fairscheduler
> Reporter: Zhaohui Xin
> Assignee: Zhaohui Xin
> Priority: Major
> Attachments: YARN-9277.001.patch, YARN-9277.002.patch,
> YARN-9277.003.patch
>
>
>
> I think we should add more restrictions in fair scheduler preemption.
> * We should not preempt self
> * We should preempt short-running containers firstly
> * ...
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