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https://issues.apache.org/jira/browse/HADOOP-14944?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16207008#comment-16207008
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John Zhuge commented on HADOOP-14944:
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+1 LGTM! Good catch in shutdownSingleton to unregisterSource.
> Add JvmMetrics to KMS
> ---------------------
>
> Key: HADOOP-14944
> URL: https://issues.apache.org/jira/browse/HADOOP-14944
> Project: Hadoop Common
> Issue Type: Improvement
> Components: kms
> Affects Versions: 2.6.0
> Reporter: Xiao Chen
> Assignee: Xiao Chen
> Attachments: HADOOP-14944.01.patch, HADOOP-14944.02.patch,
> HADOOP-14944.03.patch, HADOOP-14944.04.patch, HADOOP-14944.05.patch,
> HADOOP-14944.06.patch, HADOOP-14944.branch-2.01.patch
>
>
> Let's make KMS to use {{JvmMetrics}} to report aggregated statistics about
> heap / GC etc.
> This will make statistics monitoring easier, and compatible across the
> tomcat-based (branch-2) KMS and the jetty-based (branch-3) KMS.
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