Status

Current state:  ["Draft"]Under Discussion 

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

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

Motivation

The motivations here are similar to KIP-854 Separate configuration for producer ID expiry.  Idempotent producers became the default in Kafka since KIP-679: Producer will enable the strongest delivery guarantee by default as a result of this all producer instances will be assigned PID. The increase of number of PIDs stored in Kafka brokers by ProducerStateManager exposes the broker to OOM errors if it has a high number of producers, rogue or misconfigured client(s). Here are few of use-cases that might cause increase of PIDs: 

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