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Discussion thread: here [Change the link from the KIP proposal email archive to your own email thread]

JIRA: here [Change the link from KAFKA-1 to your own ticket] 

Please keep the discussion on the mailing list rather than commenting on the wiki (wiki discussions get unwieldy fast).

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We propose adding 2 new broker metrics

NameDescription
kafka.cluster:type=Partition,name=ProducerCount,topic=<topic>,partition=<N> The number of active transactional / idempotent producers that produced to topic <topic> partition <N>. 
kafka.server:type=ReplicaManager,name=ProducerCount The total number of active transactional / idempotent producers in the broker

Proposed Changes

Add the new metrics to the ReplicaManager  and Partition classes correspondingly.

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