[jira] [Created] (KAFKA-15207) ProducerIdManager#generateProducerId() should return different error code for newer clients

["Jeff Kim (Jira)" <ji...@apache.org>]

Jeff Kim created KAFKA-15207:
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             Summary: ProducerIdManager#generateProducerId() should return different error code for newer clients
                 Key: KAFKA-15207
                 URL: https://issues.apache.org/jira/browse/KAFKA-15207
             Project: Kafka
          Issue Type: Task
            Reporter: Jeff Kim


[https://github.com/apache/kafka/pull/13267] made changes to ProducerIdManager that does not block request handler threads while waiting for a new producer id block. Instead of blocking, we return COORDINATOR_LOAD_IN_PROGRESS.

 

We return this rather than REQUEST_TIMED_OUT since older clients treat the error as fatal when it should be retriable like COORDINATOR_LOAD_IN_PROGRESS.

 

For newer clients, we should return an error that is more aligned with what the client experiences.



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