Jason Gustafson created KAFKA-12886:
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Summary: Enable request forwarding by default in 3.0
Key: KAFKA-12886
URL: https://issues.apache.org/jira/browse/KAFKA-12886
Project: Kafka
Issue Type: Improvement
Reporter: Jason Gustafson
Assignee: Jason Gustafson
KIP-590 documents that request forwarding will be enabled in 3.0 by default:
https://cwiki.apache.org/confluence/display/KAFKA/KIP-590%3A+Redirect+Zookeeper+Mutation+Protocols+to+The+Controller.
This makes it a requirement for users with custom principal implementations to
provide a `KafkaPrincipalSerde` implementation. We waited until 3.0 because we
saw this as a compatibility break.
The KIP documents that use of forwarding will be controlled by the IBP. So once
the IBP has been configured to 3.0 or above, then the brokers will begin
forwarding.
(Note that forwarding has always been a requirement for kraft.)
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