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https://issues.apache.org/jira/browse/HDFS-17730?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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chaijunjie reopened HDFS-17730:
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> JVM GC Metrics supports Generational ZGC pause time
> ---------------------------------------------------
>
> Key: HDFS-17730
> URL: https://issues.apache.org/jira/browse/HDFS-17730
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: metrics
> Affects Versions: 3.4.1
> Reporter: chaijunjie
> Priority: Minor
>
> 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...
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