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https://issues.apache.org/jira/browse/YARN-8427?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16520817#comment-16520817
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Haibo Chen commented on YARN-8427:
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Thanks [~szegedim] for your review!
> Don't start opportunistic containers at container scheduler/finish event with
> over-allocation
> ---------------------------------------------------------------------------------------------
>
> Key: YARN-8427
> URL: https://issues.apache.org/jira/browse/YARN-8427
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: nodemanager
> Reporter: Haibo Chen
> Assignee: Haibo Chen
> Priority: Major
> Fix For: YARN-1011
>
> Attachments: YARN-8427-YARN-1011.00.patch,
> YARN-8427-YARN-1011.01.patch
>
>
> As discussed in YARN-8250, we can stop opportunistic containers from being
> launched at container scheduler/finish events if the node is already
> over-allocating itself. This can mitigate the issue that too many
> opportunistic containers can be launched and then quickly killed.
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