Wangda Tan commented on YARN-3362:

Since this patch tends to create a new RM web view, so I suggest to do it in a 
compatible way so that people will not get lost when using the new view: 
- When label is not enabled in the cluster or there's only "default" label, it 
will not show the "label-hierarchy", so it will be very similar to what we have 
in old RM web UI
- All queue's capacities and usages (by partition) can be found in 
- We may not need to consider show app-by-partition with this patch. Filter 
apps in a queue by partition needs add additional CS interface, which should be 
addressed in a separated patch. 

> Add node label usage in RM CapacityScheduler web UI
> ---------------------------------------------------
>                 Key: YARN-3362
>                 URL: https://issues.apache.org/jira/browse/YARN-3362
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: capacityscheduler, resourcemanager, webapp
>            Reporter: Wangda Tan
>            Assignee: Naganarasimha G R
> We don't have node label usage in RM CapacityScheduler web UI now, without 
> this, user will be hard to understand what happened to nodes have labels 
> assign to it.

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