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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4183) Enabling generic application history forces every job to get a timeline service delegation token
Date Thu, 12 Nov 2015 02:30:11 GMT

    [ https://issues.apache.org/jira/browse/YARN-4183?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15001581#comment-15001581
] 

Hudson commented on YARN-4183:
------------------------------

FAILURE: Integrated in Hadoop-Hdfs-trunk-Java8 #598 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk-Java8/598/])
YARN-4183. Reverting the patch to fix behaviour change. Revert (vinodkv: rev 6351d3fa638f1d901279cef9e56dc4e07ef3de11)
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/metrics/TestSystemMetricsPublisher.java
* hadoop-yarn-project/CHANGES.txt
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/metrics/SystemMetricsPublisher.java


> Enabling generic application history forces every job to get a timeline service delegation
token
> ------------------------------------------------------------------------------------------------
>
>                 Key: YARN-4183
>                 URL: https://issues.apache.org/jira/browse/YARN-4183
>             Project: Hadoop YARN
>          Issue Type: Bug
>    Affects Versions: 2.7.1
>            Reporter: Mit Desai
>            Assignee: Mit Desai
>         Attachments: YARN-4183.1.patch
>
>
> When enabling just the Generic History Server and not the timeline server, the system
metrics publisher will not publish the events to the timeline store as it checks if the timeline
server and system metrics publisher are enabled before creating a timeline client.
> To make it work, if the timeline service flag is turned on, it will force every yarn
application to get a delegation token.
> Instead of checking if timeline service is enabled, we should be checking if application
history server is enabled.



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