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From "Rohith Sharma K S (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6733) Add table for storing sub-application entities
Date Mon, 24 Jul 2017 06:35:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-6733?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16097998#comment-16097998
] 

Rohith Sharma K S commented on YARN-6733:
-----------------------------------------

bq. Varun and I discussed during today's call and said let's keep the flow version column
in this table. 
Curious to know what is the reason to keep flow version in sub application table? 

> Add table for storing sub-application entities
> ----------------------------------------------
>
>                 Key: YARN-6733
>                 URL: https://issues.apache.org/jira/browse/YARN-6733
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>            Reporter: Vrushali C
>            Assignee: Vrushali C
>         Attachments: IMG_7040.JPG, YARN-6733-YARN-5355.001.patch, YARN-6733-YARN-5355.002.patch,
YARN-6733-YARN-5355.003.patch, YARN-6733-YARN-5355.004.patch, YARN-6733-YARN-5355.005.patch,
YARN-6733-YARN-5355.006.patch, YARN-6733-YARN-5355.007.patch, YARN-6733-YARN-5355.008.patch
>
>
> After a discussion with Tez folks, we have been thinking over introducing a table to
store  sub-application information.
> 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. 
> This jira tracks the code changes needed for  table schema creation.
> I will file other jiras for writing to that table, updating the user name fields to include
sub-application user etc.



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