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https://issues.apache.org/jira/browse/YARN-5261?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15381435#comment-15381435
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Naganarasimha G R commented on YARN-5261:
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Thanks [~subru],
Even i had the same in my mind either we can achieve the same by using the
{{dynamic node resource configuration (YARN-291)}} or having a policy for the
partitions to specify when to share the partition resources to others which i
was trying to capture as part of YARN-4425,
But for other suggestion
bq. combination of reservation system with node labels (YARN-4193), intuition
is each node that can be leased has a label (which can be it's name)
IIUC they ([~yuuuuuuuu] ) are not having all the services running on top of
YARN hence they want to share the nodes in off peak hours when these services
will not be impacted. So i believe better solution would be to either
externally control through Dynamic resource configuration or have policy on
partitions to schedule during offpeak hours in NonExclusive mode (and ensure
that the this partition is not configured to any queue.
> 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.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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