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https://issues.apache.org/jira/browse/YARN-1701?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13994348#comment-13994348
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Hudson commented on YARN-1701:
------------------------------

SUCCESS: Integrated in Hadoop-Yarn-trunk #560 (See 
[https://builds.apache.org/job/Hadoop-Yarn-trunk/560/])
YARN-1701. Improved default paths of the timeline store and the generic history 
store. Contributed by Tsuyoshi Ozawa. (zjshen: 
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1593481)
* /hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt
* 
/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/resources/yarn-default.xml


> Improve default paths of timeline store and generic history store
> -----------------------------------------------------------------
>
>                 Key: YARN-1701
>                 URL: https://issues.apache.org/jira/browse/YARN-1701
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>    Affects Versions: 2.4.0
>            Reporter: Gera Shegalov
>            Assignee: Tsuyoshi OZAWA
>             Fix For: 2.4.1
>
>         Attachments: YARN-1701.3.patch, YARN-1701.v01.patch, 
> YARN-1701.v02.patch
>
>
> When I enable AHS via yarn.ahs.enabled, the app history is still not visible 
> in AHS webUI. This is due to NullApplicationHistoryStore as 
> yarn.resourcemanager.history-writer.class. It would be good to have just one 
> key to enable basic functionality.
> yarn.ahs.fs-history-store.uri uses {code}${hadoop.log.dir}{code}, which is 
> local file system location. However, FileSystemApplicationHistoryStore uses 
> DFS by default.  



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