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From "Vrushali C (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6733) Add table for storing sub-application entities
Date Tue, 11 Jul 2017 19:27:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-6733?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16082810#comment-16082810
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Vrushali C commented on YARN-6733:
----------------------------------

bq.  I do not remember why subAppName was added!!? Can you remind me?
The sub app name is just like the flow name. We need an identifier for this sub app. For example
"query1" or  "select_query_users" something like that. Attaching the whiteboard image that
shows the sub app id rowkey component. 

> 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: YARN-6733-YARN-5355.001.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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