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From "Vrushali C (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6734) Ensure sub-application user is extracted & sent to timeline service
Date Thu, 27 Jul 2017 05:33:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-6734?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16102734#comment-16102734
] 

Vrushali C commented on YARN-6734:
----------------------------------

bq. And also I see that TimelineWriter#write has TimelineCollectorContext information. Instead
of passing all the information , directly TimelineCollectorContext can be passed. Can I also
do this change?

Yes, that's a very good idea! go for it. I was just thinking that the function has quite a
few arguments. 

> Ensure sub-application user is extracted & sent to timeline service
> -------------------------------------------------------------------
>
>                 Key: YARN-6734
>                 URL: https://issues.apache.org/jira/browse/YARN-6734
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>            Reporter: Vrushali C
>            Assignee: Rohith Sharma K S
>         Attachments: YARN-6734-YARN-5355.001.patch, YARN-6734-YARN-5355.002.patch, YARN-6734-YARN-5355.003.patch
>
>
> After a discussion with Tez folks, we have been thinking over introducing a table to
store  sub-application information. YARN-6733
> For example, if a Tez session runs for a certain period as User X and runs a few AMs.
These AMs accept DAGs from other users. Tez will execute these dags with a doAs user. ATSv2
should store this information in a new table perhaps called as "sub_application" table. 
> YARN-6733 tracks the code changes needed for  table schema creation.
> This jira tracks writing to that table, updating the user name fields to include sub-application
user etc. This would mean adding a field to Flow Context which can store an additional user




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