Naganarasimha G R commented on YARN-3216:

Hi [~sunilg] & [~leftnoteasy],
This issue is very critical for our usecase where in we use cluster by having 2 
partitions (non DEFAULT_PARTITION s). So if the Max-AM-Resource-Percentage is 
calculated based on DEFAULT_PARTITION size then it practically limits to only 
one app being submitted. 
Also i feel even though its hard for debugging its better to opt for approach 2 
as we can clearly specify AMResourceLimit for each partition and further we are 
having some jira's YARN-3946 which try to indicate the reasons for Application 
not being launched. Thoughts ?

> Max-AM-Resource-Percentage should respect node labels
> -----------------------------------------------------
>                 Key: YARN-3216
>                 URL: https://issues.apache.org/jira/browse/YARN-3216
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>            Reporter: Wangda Tan
>            Assignee: Sunil G
>            Priority: Critical
>         Attachments: 0001-YARN-3216.patch
> Currently, max-am-resource-percentage considers default_partition only. When 
> a queue can access multiple partitions, we should be able to compute 
> max-am-resource-percentage based on that.

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