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From "Li Lu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4983) JVM and UGI metrics disappear after RM is once transitioned to standby mode
Date Fri, 22 Apr 2016 18:41:13 GMT

    [ https://issues.apache.org/jira/browse/YARN-4983?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15254433#comment-15254433
] 

Li Lu commented on YARN-4983:
-----------------------------

Similar UT failures happened in HADOOP-12563. The patch now get reverted. I'm launching another
Jenkins run for this JIRA. 

> JVM and UGI metrics disappear after RM is once transitioned to standby mode
> ---------------------------------------------------------------------------
>
>                 Key: YARN-4983
>                 URL: https://issues.apache.org/jira/browse/YARN-4983
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Li Lu
>            Assignee: Li Lu
>         Attachments: YARN-4983-trunk.000.patch, YARN-4983-trunk.001.patch
>
>
> When get transitioned to standby, the RM will shutdown the existing metric system and
relaunch a new one. This will cause the jvm metrics and ugi metrics to miss in the new metric
system. 



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