Hi,

log compaction related JMX metric object names are given below.

kafka.log:type=LogCleaner,name=cleaner-recopy-percent
kafka.log:type=LogCleaner,name=max-buffer-utilization-percent
kafka.log:type=LogCleaner,name=max-clean-time-secs
kafka.log:type=LogCleanerManager,name=max-dirty-percent


After every compaction cycle, we also print some useful statistics to
 logs/log-cleaner.log file.


On Wed, Apr 13, 2016 at 7:16 PM, Kasim Doctor <kdoc...@expedia.com> wrote:

> Hi everyone,
>
> We are starting to use log compaction for one of our topics and I was
> wondering if there are any specific metrics exposed to monitor how often
> compaction took place and/or how many records (with some metadata related
> to partition) were deleted ?
>
> I looked at JMX metrics that Kafka exposes but could not find specific
> metrics related to compaction.
>
> Any insight or help would be appreciated.
>
> Thanks,
> Kasim
>
>
>

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