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https://issues.apache.org/jira/browse/YARN-4407?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15034576#comment-15034576
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Wangda Tan commented on YARN-4407:
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[~xgong], is this duplicated with YARN-1011/YARN-1013?
> Support Resource oversubscription in YARN scheduler
> ---------------------------------------------------
>
> Key: YARN-4407
> URL: https://issues.apache.org/jira/browse/YARN-4407
> Project: Hadoop YARN
> Issue Type: New Feature
> Reporter: Xuan Gong
> Assignee: Xuan Gong
>
> Many long running services do not fully use their allocated resources all the
> time. We could takes advantage of temporarily unused resources to execute low
> priority jobs such as background analytics, etc. This will definitely improve
> the resource utilization.
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