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https://issues.apache.org/jira/browse/YARN-4983?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15257749#comment-15257749
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Junping Du commented on YARN-4983:
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bq. Due to the amount of work to refactor RM HA, maybe we want to resolve that
in a separate JIRA?
Sounds good. Will file a separate JIRA to track this.
Three UT test failures are not related, HADOOP-12687 and YARN-4947 are filed
before to track them.
+1. Patch LGTM. Will commit it shortly if no further comments from others.
> 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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