John Roesler created KAFKA-8696:
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Summary: 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
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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