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https://issues.apache.org/jira/browse/YARN-451?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14636358#comment-14636358
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Joep Rottinghuis commented on YARN-451:
---------------------------------------

Just for the record, at Twitter we've been running with YARN-2417 in production 
and are finding it very useful in clusters of many thousands of nodes with tens 
of thousands of jobs in a day.

> Add more metrics to RM page
> ---------------------------
>
>                 Key: YARN-451
>                 URL: https://issues.apache.org/jira/browse/YARN-451
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: resourcemanager
>    Affects Versions: 2.0.3-alpha
>            Reporter: Lohit Vijayarenu
>            Assignee: Sangjin Lee
>         Attachments: in_progress_2x.png, yarn-451-trunk-20130916.1.patch
>
>
> ResourceManager webUI shows list of RUNNING applications, but it does not 
> tell which applications are requesting more resource compared to others. With 
> cluster running hundreds of applications at once it would be useful to have 
> some kind of metric to show high-resource usage applications vs low-resource 
> usage ones. At the minimum showing number of containers is good option.



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