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https://issues.apache.org/jira/browse/YARN-1013?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16519860#comment-16519860
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Haibo Chen commented on YARN-1013:
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[~cheersyang] FYI, there is YARN-6794 that does container promotion in Fair
Scheduler. We have not filed a counter-part Jira for capacity scheduler yet.
> CS should watch resource utilization of containers and allocate speculative
> containers if appropriate
> -----------------------------------------------------------------------------------------------------
>
> Key: YARN-1013
> URL: https://issues.apache.org/jira/browse/YARN-1013
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Arun C Murthy
> Assignee: Weiwei Yang
> Priority: Major
>
> CS should watch resource utilization of containers (provided by NM in
> heartbeat) and allocate speculative containers (at lower OS priority) if
> appropriate.
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