Ming Liu created KAFKA-10242:
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Summary: Adding metrics to track the total count of idempotent
producers that Broker need to track
Key: KAFKA-10242
URL: https://issues.apache.org/jira/browse/KAFKA-10242
Project: Kafka
Issue Type: Improvement
Components: producer
Affects Versions: 2.5.0
Reporter: Ming Liu
Fix For: 2.6.0
We found it is very useful to track the total number of idempotent producers
that broker is tracking.
In our production environment, we have many idempotent producers for a cluster
and sometimes that number increased to very high number which requires some
attention to mitigate.
This is especially true for client (< 2.4) where the client retry might
generate too many different idempotent producers which can trigger broker GC.
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