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https://issues.apache.org/jira/browse/YARN-1701?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13961202#comment-13961202
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Zhijie Shen commented on YARN-1701:
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Hi, [~jira.shegalov], nowadays the timeline server has two stores: one for
generic data, the other for timeline data. IMHO, it's good to make the two
paths consistent (thought one on local fs, the other on hdfs), and reflect the
up-to-date config name (generic-history).
1: generic data store:
yarn.timeline-service.generic-application-history.fs-history-store.uri ->
/tmp/yarn/timeline/generic-history?
2: timeline data store: arn.timeline-service.leveldb-timeline-store.path ->
/tmp/yarn/timeline?
Or /tmp -> ${hadoop.tmp.dir}?
[~vinodkv], how do you think?
> Improve default paths of timeline store and generic history store
> -----------------------------------------------------------------
>
> Key: YARN-1701
> URL: https://issues.apache.org/jira/browse/YARN-1701
> Project: Hadoop YARN
> Issue Type: Bug
> Affects Versions: 2.4.1
> Reporter: Gera Shegalov
> Assignee: Gera Shegalov
> Attachments: YARN-1701.v01.patch, YARN-1701.v02.patch
>
>
> When I enable AHS via yarn.ahs.enabled, the app history is still not visible
> in AHS webUI. This is due to NullApplicationHistoryStore as
> yarn.resourcemanager.history-writer.class. It would be good to have just one
> key to enable basic functionality.
> yarn.ahs.fs-history-store.uri uses {code}${hadoop.log.dir}{code}, which is
> local file system location. However, FileSystemApplicationHistoryStore uses
> DFS by default.
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