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From "Vrushali C (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6736) Consider writing to both ats v1 & v2 from RM for smoother upgrades
Date Thu, 02 Nov 2017 22:58:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-6736?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16236766#comment-16236766
] 

Vrushali C commented on YARN-6736:
----------------------------------

We are thinking of considering this for the next TSv2 release. We will start looking at the
patches soon, we will also think about "migration steps"  cc [~rohithsharma] [~varun_saxena]

> Consider writing to both ats v1 & v2 from RM for smoother upgrades
> ------------------------------------------------------------------
>
>                 Key: YARN-6736
>                 URL: https://issues.apache.org/jira/browse/YARN-6736
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>            Reporter: Vrushali C
>            Assignee: Aaron Gresch
>            Priority: Major
>         Attachments: YARN-6736-YARN-5355.001.patch, YARN-6736-YARN-5355.002.patch, YARN-6736-YARN-5355.003.patch,
YARN-6736-YARN-5355.004.patch, YARN-6736-YARN-5355.005.patch
>
>
> When the cluster is being upgraded from atsv1 to v2, it may be good to have a brief time
period during which RM writes to both atsv1 and v2. This will help frameworks like Tez migrate
more smoothly. 



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