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https://issues.apache.org/jira/browse/YARN-5261?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15350660#comment-15350660
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Sunil G commented on YARN-5261:
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Hi
It will be better if you could share a more details about this work such as a
document since a detailed patch is submitted.
>From the patch, it looks like you are planning to introduce a LeaseManager to
>control various lease requests placed from cli and try to push those resource
>for other uses. I am not very sure, but a detailed document will really help
>to know about the use cases which you are trying to address. As Jason told, it
>looks similar to the overcommit effort happening in YARN-1011/YARN-5215.
> 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
>
>
> 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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