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https://issues.apache.org/jira/browse/YARN-8427?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Haibo Chen updated YARN-8427:
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Issue Type: Sub-task (was: Improvement)
Parent: YARN-1011
> 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
>
> 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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