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https://issues.apache.org/jira/browse/YARN-10450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17214939#comment-17214939
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Jonathan Hung commented on YARN-10450:
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Thanks [~Jim_Brennan] that is fine with me.

> Add cpu and memory utilization per node and cluster-wide metrics
> ----------------------------------------------------------------
>
>                 Key: YARN-10450
>                 URL: https://issues.apache.org/jira/browse/YARN-10450
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: yarn
>    Affects Versions: 3.3.1
>            Reporter: Jim Brennan
>            Assignee: Jim Brennan
>            Priority: Minor
>             Fix For: 3.4.0, 3.3.1
>
>         Attachments: NodesPage.png, YARN-10450-branch-2.10.003.patch, 
> YARN-10450-branch-3.1.003.patch, YARN-10450-branch-3.2.003.patch, 
> YARN-10450.001.patch, YARN-10450.002.patch, YARN-10450.003.patch
>
>
> Add metrics to show actual cpu and memory utilization for each node and 
> aggregated for the entire cluster.  This is information is already passed 
> from NM to RM in the node status update.
> We have been running with this internally for quite a while and found it 
> useful to be able to quickly see the actual cpu/memory utilization on the 
> node/cluster.  It's especially useful if some form of overcommit is used.



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