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From "Sunil G (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6871) Add additional deSelects params in getAppReport
Date Mon, 07 Aug 2017 05:39:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-6871?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16116075#comment-16116075
] 

Sunil G commented on YARN-6871:
-------------------------------

Just took a quick scan, some more thoughts:
# {{deSelects}} params are using variable names from {{AppInfo}} DAO objects which is correct.
But this patch is using {{appTimeouts}} instead of  {{timeouts}}  from AppInfo class. I think
these need to be in sync. If we are planning the name change in AppInfo DAO object for {{timeouts}},
I think that also is fine. Looping [~rohithsharma] for additional thoughts on same.
# Existing resource request skip check in AppInfo ctor could also be moved down with new changes
so its easier to be together.


> 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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