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https://issues.apache.org/jira/browse/YARN-5261?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15401081#comment-15401081
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Yu commented on YARN-5261:
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The 3 failed units are not related to my patch.
> Lease/Reclaim Extension to Yarn
> -------------------------------
>
> Key: YARN-5261
> URL: https://issues.apache.org/jira/browse/YARN-5261
> Project: Hadoop YARN
> Issue Type: New Feature
> Components: scheduler
> Reporter: Yu
> Attachments: YARN-5261-1.patch, YARN-5261-2.patch, YARN-5261-3.patch,
> YARN-5261-4.patch, YARN-5261-5.patch, Yarn-5261.pdf
>
>
> In some clusters outside of Yarn, the machines resources are not fully
> utilized, e.g., resource usage is quite low at night.
> To better utilize the resources while keep the existing SLA of the cluster,
> Lease/Reclaim Extension to Yarn is introduced.
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