[jira] [Resolved] (KAFKA-8696) Clean up Sum/Count/Total metrics

["Manikumar (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-8696?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Manikumar resolved KAFKA-8696.
------------------------------
    Resolution: Fixed

> 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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