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https://issues.apache.org/jira/browse/KAFKA-8696?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16891478#comment-16891478
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ASF GitHub Bot commented on KAFKA-8696:
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guozhangwang commented on pull request #7057: KAFKA-8696: clean up
Sum/Count/Total metrics
URL: https://github.com/apache/kafka/pull/7057
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> Clean up Sum/Count/Total metrics
> --------------------------------
>
> Key: KAFKA-8696
> URL: https://issues.apache.org/jira/browse/KAFKA-8696
> Project: Kafka
> Issue Type: Improvement
> Reporter: John Roesler
> Assignee: John Roesler
> Priority: Minor
> Fix For: 2.4.0
>
>
> Kafka has a family of metrics consisting of:
> org.apache.kafka.common.metrics.stats.Count
> org.apache.kafka.common.metrics.stats.Sum
> org.apache.kafka.common.metrics.stats.Total
> org.apache.kafka.common.metrics.stats.Rate.SampledTotal
> org.apache.kafka.streams.processor.internals.metrics.CumulativeCount
> These metrics are all related to each other, but their relationship is
> obscure (and one is redundant) (and another is internal).
> I've recently been involved in a third recapitulation of trying to work out
> which metric does what. It seems like it's time to clean up the mess and save
> everyone from having to work out the mystery for themselves.
> I've proposed https://cwiki.apache.org/confluence/x/kkAyBw to fix it.
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