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From "Zhijie Shen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2262) Few fields displaying wrong values in Timeline server after RM restart
Date Fri, 25 Jul 2014 17:55:41 GMT

    [ https://issues.apache.org/jira/browse/YARN-2262?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14074677#comment-14074677
] 

Zhijie Shen commented on YARN-2262:
-----------------------------------

[~nishan] and [~Naganarasimha], I've a general suggestion on this issue. According to the
logs, the problem is likely to be related to the FS history store. On the other side, we're
seeking rebasing on the timeline store to persist the generic history data (See YARN-2033
for the motivation and the more details). Given this is done, we may deprecate the current
FS history store because there are limitations around the FS history store, and it is expensive
to maintain two store interfaces.

It's always welcome if you'd like to help fix the bug, but I hope you're aware of this plan,
in case your effort is likely not to be leveraged. If you have bandwidth, I would appreciate
if you can help with other issue such as YARN-2033, where I've a patch available for the timeline
store based generic history service, but I still didn't have a chance to test it with RM restart.
Anyway, thanks for your interest on the timeline server. Please feel free to share your thoughts.

> Few fields displaying wrong values in Timeline server after RM restart
> ----------------------------------------------------------------------
>
>                 Key: YARN-2262
>                 URL: https://issues.apache.org/jira/browse/YARN-2262
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>    Affects Versions: 2.4.0
>            Reporter: Nishan Shetty
>            Assignee: Naganarasimha G R
>         Attachments: Capture.PNG, Capture1.PNG, yarn-testos-historyserver-HOST-10-18-40-95.log,
yarn-testos-resourcemanager-HOST-10-18-40-84.log, yarn-testos-resourcemanager-HOST-10-18-40-95.log
>
>
> Few fields displaying wrong values in Timeline server after RM restart
> State: 	null
> FinalStatus: 	UNDEFINED
> Started: 	8-Jul-2014 14:58:08
> Elapsed: 	2562047397789hrs, 44mins, 47sec 



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