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From "Zhijie Shen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1809) Synchronize RM and Generic History Service Web-UIs
Date Mon, 10 Mar 2014 19:03:43 GMT

    [ https://issues.apache.org/jira/browse/YARN-1809?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13926052#comment-13926052
] 

Zhijie Shen commented on YARN-1809:
-----------------------------------

Another issue that I think is good to fix together is: Only RMWebServices#getApps makes use
of ApplicationClientProtocol (ClientRMService implementation) to get the data. On the other
side, RM web-UI is accessing RM cache directly, and AHS is accessing the history store (with
a wrapper) directly for the data. It's good to retrieve the data via ApplicationClient/HistoryProtocol
to synchronize the information obtained from RPC protocol and web-UIs.

> Synchronize RM and Generic History Service Web-UIs
> --------------------------------------------------
>
>                 Key: YARN-1809
>                 URL: https://issues.apache.org/jira/browse/YARN-1809
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Zhijie Shen
>            Assignee: Zhijie Shen
>
> After YARN-953, the web-UI of generic history service is provide more information than
that of RM, the details about app attempt and container. It's good to provide similar web-UIs,
but retrieve the data from separate source, i.e., RM cache and history store respectively.



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