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https://issues.apache.org/jira/browse/KAFKA-9327?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjin Lee reassigned KAFKA-9327:
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Assignee: Dongjin Lee
> GroupMetadata metrics are not documented
> ----------------------------------------
>
> Key: KAFKA-9327
> URL: https://issues.apache.org/jira/browse/KAFKA-9327
> Project: Kafka
> Issue Type: Improvement
> Reporter: Gwen Shapira
> Assignee: Dongjin Lee
> Priority: Major
>
> GroupMetadataManager includes quite a few gauges that look very useful!
> NumGroups, NumGroupsPreparingRebalance, NumGroupsStable, NumGroupsDead,
> NumGroupsEmpty.
> I couldn't find them in our site-docs, but they seem quite useful and will be
> nice to include.
> LastStableOffsetLag is also missing, but I'm not sure if it is useful enough
> to include.
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