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https://issues.apache.org/jira/browse/YARN-9464?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16904616#comment-16904616
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Abhishek Modi commented on YARN-9464:
-------------------------------------
Thanks [~Prabhu Joseph] for the patch. It looks good to me. I will commit it by
tomorrow if there is no objection.
> Support "Pending Resource" metrics in RM's RESTful API
> ------------------------------------------------------
>
> Key: YARN-9464
> URL: https://issues.apache.org/jira/browse/YARN-9464
> Project: Hadoop YARN
> Issue Type: Improvement
> Reporter: Zhankun Tang
> Assignee: Prabhu Joseph
> Priority: Major
> Attachments: YARN-9464-001.patch, YARN-9464-002.patch
>
>
> Knowing only the "available", "used" resource is not enough for YARN
> management tools like auto-scaler. It would be helpful to diagnose the
> cluster resource utilization if it gets "Pending Resource" from RM RESTful
> APIs. In a certain extent, it represents how starving the applications are.
> Initially, we can add "pending resource" information in below two RM REST
> APIs:
> {code:java}
> RMnode:port/ws/v1/cluster/metrics
> RMnode:port/ws/v1/cluster/nodes
> {code}
>
>
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