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https://issues.apache.org/jira/browse/YARN-4983?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Li Lu updated YARN-4983:
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Attachment: YARN-4983-trunk.002.patch
Added an unit test for the standby metrics. The UT failures in the previous run
appears to be independent to the changes in this patch. Trying them one more
time.
> 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,
> YARN-4983-trunk.002.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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