Wangda Tan commented on YARN-3362:

Hi [~Naganarasimha],
Thanks for your comments,
bq. There will be some common queue metrics across the labels, wont it get 
repeated across for each label if a queue is mapped to multiple labels?
Some common fields may get repeated (like absolute max capacity, etc.). I think 
repeat some of them is not a very big issue to me. I think we can show 
queue-label-metrics + queue-common-metrics for each queue-label

bq. IIUC most of the queue Metrics might not be specific to a label, like 
Capacity, Absolute max capacity, Max apps, Max AM's per user etc... . Correct 
me if my understanding on this is wrong.
Yes, they're, but there're more parameters / metrics in queues for both 
label/queue, different labels under same queue can have different 
user-limit/capacity/maximum-capacity/max-am-resource, etc.). We also need to 
show them to users if possible

bq. Apart from the label specific queue metrics like (label capacity, label abs 
capacity,used) are there any new Label specific queue metrics you have in your 
mind ?
I think above can answer your question.

bq. would it be better to list like
If we have this view, 
1) How you show label-specific metrics? 
2) What's the "used-resource" in queue level means (used-resource make more 
sense when it's per-label).
3) How to check "label-wise" resource usage for parent queues.

bq. Also if required we can have seperate page (/in the labels page/append at 
the end of CS page) like
I think my proposal is still a little more clear, we need to show label-wise 
metrics to user. And with that, user can clear understand resource usage for 
each partition (just check each label's usage. Also parent's label-wise usage 
can show as well.

> 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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