Wangda Tan updated YARN-2943:
    Attachment: YARN-2943.3.patch

The patch didn't apply on latest trunk, updated patch.

> Add a node-labels page in RM web UI
> -----------------------------------
>                 Key: YARN-2943
>                 URL: https://issues.apache.org/jira/browse/YARN-2943
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>            Reporter: Wangda Tan
>            Assignee: Wangda Tan
>         Attachments: Node-labels-page.png, Nodes-page-with-label-filter.png, 
> YARN-2943.1.patch, YARN-2943.2.patch, YARN-2943.3.patch
> Now we have node labels in the system, but there's no a very convenient to 
> get information like "how many active NM(s) assigned to a given label?", "how 
> much total resource for a give label?", "For a given label, which queues can 
> access it?", etc.
> It will be better to add a node-labels page in RM web UI, users/admins can 
> have a centralized view to see such information.

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