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https://issues.apache.org/jira/browse/HADOOP-19461?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18020097#comment-18020097
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ASF GitHub Bot commented on HADOOP-19461:
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github-actions[bot] closed pull request #7406: [Do not merge] HADOOP-19461. JVM
GC Metrics supports Generational ZGC pause time
URL: https://github.com/apache/hadoop/pull/7406
> JVM GC Metrics supports fine-grained metrics
> --------------------------------------------
>
> Key: HADOOP-19461
> URL: https://issues.apache.org/jira/browse/HADOOP-19461
> Project: Hadoop Common
> Issue Type: Improvement
> Reporter: chaijunjie
> Priority: Major
> Labels: pull-request-available
> Attachments: HADOOP-19461.JPG, HADOOP-19461.patch
>
>
> See [https://bugs.openjdk.org/browse/JDK-8307059] , The Generational ZGC
> separate the Cycles and Pauses as Minor and Major,like this:
> * Old ZGC: "ZGC Cycles", "ZGC Pauses"
> * Generational ZGC: "ZGC Minor Cycles", "ZGC Minor Pauses", "ZGC Major
> Cycles", "ZGC Major Pauses"
> let us separate it same and give 2 new metric about these, may be better...
> -----------------------------------------------------------------------------------------
> Impl to support get minor/major GC time/count from Hadoop Jmx
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