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https://issues.apache.org/jira/browse/YARN-451?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13739801#comment-13739801
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Sangjin Lee commented on YARN-451:
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I agree that hadoop 1 was different as the notion of mappers and reducers was
explicit from the overview and the RM works in a different way in terms of
resource allocation.
I am pointing out that from a user perspective there is a feature gap where one
cannot quickly get a sense of relative sizes of apps/jobs. I also agree that
the solution should be done in a way such that it doesn't crowd the UI and also
conforms well with the current RM architecture. Thanks!
> 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
> Priority: Minor
>
> 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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