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https://issues.apache.org/jira/browse/YARN-3623?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15049169#comment-15049169
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Li Lu commented on YARN-3623:
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Hi folks, seems like we're reaching agreement on the config itself, but still
having some concerns with timeline v2 rolling upgrade. How about fix the
description as Junping suggested, put this patch in while we keep our v2
discussion in YARN-3196? Looks like the only action item for this JIRA is to
update the description?
> We should have a config to indicate the Timeline Service version
> ----------------------------------------------------------------
>
> Key: YARN-3623
> URL: https://issues.apache.org/jira/browse/YARN-3623
> Project: Hadoop YARN
> Issue Type: Bug
> Components: timelineserver
> Reporter: Zhijie Shen
> Assignee: Xuan Gong
> Attachments: YARN-3623-2015-11-19.1.patch
>
>
> So far RM, MR AM, DA AM added/changed new config to enable the feature to
> write the timeline data to v2 server. It's good to have a YARN
> timeline-service.version config like timeline-service.enable to indicate the
> version of the running timeline service with the given YARN cluster. It's
> beneficial for users to more smoothly move from v1 to v2, as they don't need
> to change the existing config, but switch this config from v1 to v2. And each
> framework doesn't need to have their own v1/v2 config.
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