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https://issues.apache.org/jira/browse/YARN-4368?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15010118#comment-15010118
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Naganarasimha G R commented on YARN-4368:
-----------------------------------------

Have raised this jira so that we can collectively discuss the pro's  and cons 
of supporting this kind of feature. As most of the discussions related to this 
were happening in different jira's and in offline status calls. 

> Support Multiple versions of the timeline service at the same time
> ------------------------------------------------------------------
>
>                 Key: YARN-4368
>                 URL: https://issues.apache.org/jira/browse/YARN-4368
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>            Reporter: Naganarasimha G R
>
> During rolling updgrade it will be helpfull to have the older version of the 
> timeline server to be also running so that the existing apps can submit to 
> the older version of ATS .



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