Luigi Berrettini created KAFKA-10523:
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             Summary: Allow to provide producer ID
                 Key: KAFKA-10523
                 URL: https://issues.apache.org/jira/browse/KAFKA-10523
             Project: Kafka
          Issue Type: New Feature
            Reporter: Luigi Berrettini


I read about the implementation of idempotence and saw that it is only 
guaranteed within a producer session, since it depends on a PID reassigned 
every time the producer (re)start.

The PID is probably assigne relying on ZooKeeper, but I was wondering if it 
could be possible to support providing a PID externally to gain idempotence 
across restrarts e.g. having the producing application read the PID from a 
configuration file.



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