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https://issues.apache.org/jira/browse/YARN-1462?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14565368#comment-14565368
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Zhijie Shen commented on YARN-1462:
-----------------------------------

RM publishes the tags information to the timeline server; the timeline server 
renders this information on app page, and  makes it available via REST API 
/apps/\{appId\}.

The problem is after synchronizing RM and GHS web UI, GHS web UI will have an 
empty application tags row, because this information is not passed from RM to 
timeline server.

> AHS API and other AHS changes to handle tags for completed MR jobs
> ------------------------------------------------------------------
>
>                 Key: YARN-1462
>                 URL: https://issues.apache.org/jira/browse/YARN-1462
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>    Affects Versions: 2.2.0
>            Reporter: Karthik Kambatla
>            Assignee: Xuan Gong
>         Attachments: YARN-1462-branch-2.7-1.patch, YARN-1462.1.patch, 
> YARN-1462.2.patch
>
>
> AHS related work for tags. 



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