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https://issues.apache.org/jira/browse/YARN-2890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14361035#comment-14361035
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Zhijie Shen commented on YARN-2890:
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bq. If Timeline is going to be a first class citizen of YARN going forwards,
why make it false by default?
I think so far it's still not assumed that timeline service is the always
enabled component, though we we'd like to propose it, but maybe more persuasive
until ATS v2?
And for MiniMRYARNCluster there's a technical issue too. Because of the
singleton in Guice, only one webapp can be created per daemon. Enabling the ATS
will break the other web test cases around RM/NM (if I remember it correctly,
there seems to have such tests).
> MiniMRYarnCluster should turn on timeline service if configured to do so
> ------------------------------------------------------------------------
>
> Key: YARN-2890
> URL: https://issues.apache.org/jira/browse/YARN-2890
> Project: Hadoop YARN
> Issue Type: Bug
> Affects Versions: 2.6.0
> Reporter: Mit Desai
> Assignee: Mit Desai
> Attachments: YARN-2890.patch, YARN-2890.patch, YARN-2890.patch,
> YARN-2890.patch, YARN-2890.patch
>
>
> Currently the MiniMRYarnCluster does not consider the configuration value for
> enabling timeline service before starting. The MiniYarnCluster should only
> start the timeline service if it is configured to do so.
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