Sunil G updated YARN-4304:
    Attachment: 0001-YARN-4304.patch

Uploading  an initial version of patch.

- For cluster metrics, I still followed the approach of available+allocated to 
get total resource of queue/cluster. So whenever a resource update happens, I 
think we need to recalculate the {{availableMB}} (cores) based on all 
partitions in that queue. This patch is now as per this idea.
- In Scheduler page, all AM resource related fix is done. I will attach a 
screen shot soon.

Kindly help to check the patch.

> AM max resource configuration per partition to be displayed/updated correctly 
> in UI and in various partition related metrics
> ----------------------------------------------------------------------------------------------------------------------------
>                 Key: YARN-4304
>                 URL: https://issues.apache.org/jira/browse/YARN-4304
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: webapp
>    Affects Versions: 2.7.1
>            Reporter: Sunil G
>            Assignee: Sunil G
>         Attachments: 0001-YARN-4304.patch
> As we are supporting per-partition level max AM resource percentage 
> configuration, UI and various metrics also need to display correct 
> configurations related to same. 
> For eg: Current UI still shows am-resource percentage per queue level. This 
> is to be updated correctly when label config is used.
> - Display max-am-percentage per-partition in Scheduler UI (label also) and in 
> ClusterMetrics page
> - Update queue/partition related metrics w.r.t per-partition 
> am-resource-percentage

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