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https://issues.apache.org/jira/browse/YARN-451?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13790895#comment-13790895
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Sangjin Lee commented on YARN-451:
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I agree. Even for mappers and reducers container resource asks may vary, and
the memory and the cores contain more information than the number of containers.
> 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
> Priority: Blocker
> 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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