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https://issues.apache.org/jira/browse/KAFKA-4838?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15894969#comment-15894969
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Eno Thereska commented on KAFKA-4838:
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Note that we do have one cache sensor, the hitRatioSensor, exposed through JMX.
> Export buffer cache metrics in JMX
> ----------------------------------
>
> Key: KAFKA-4838
> URL: https://issues.apache.org/jira/browse/KAFKA-4838
> Project: Kafka
> Issue Type: Improvement
> Components: streams
> Affects Versions: 0.10.2.0
> Reporter: Eno Thereska
> Priority: Minor
> Fix For: 0.10.2.1
>
>
> Currently we log certain cache metrics, but don't export those via JMX, e.g.,
> in ThreadCache.flush() we have:
> log.debug("Thread {} cache stats on flush: #puts={}, #gets={}, #evicts={},
> #flushes={}",name, puts(), gets(), evicts(), flushes());
> We should export the hits, misses etc as metrics (with a DEBUG recording
> level).
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