Giovanni Matteo Fumarola commented on YARN-6871:

Thanks [~tanujnay] for v3.
Some feedback:
* You added 2 test scenarios in {{testAppsQueryWithDeselects}} while you are 
adding 4 params. Please update the test.
* You have a checkstyle warning: {{VisibilityModifier}}. Try to fix by convert 
it to private and add get and set methods.

> Add additional deSelects params in getAppReport
> -----------------------------------------------
>                 Key: YARN-6871
>                 URL: https://issues.apache.org/jira/browse/YARN-6871
>             Project: Hadoop YARN
>          Issue Type: New Feature
>          Components: resourcemanager, router
>            Reporter: Giovanni Matteo Fumarola
>            Assignee: Tanuj Nayak
>         Attachments: YARN-6871.002.patch, YARN-6871.003.patch, 
> YARN-6871.proto.patch
> This jira tracks the effort to add additional deSelect params to the 
> GetAppReport to make it lighter and faster.
> With the current one we are facing a scalability issues.
> E.g. with ~500 applications running the AppReport can reach up to 300MB in 
> size due to the {{ResourceRequest}} in the {{AppInfo}}.
> Yarn RM will return the new result faster and it will use less compute cycles 
> to create the report and it will improve the YARN RM and Client's 
> performances.

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