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From Hervé RIVIERE (JIRA) <j...@apache.org>
Subject [jira] [Created] (KAFKA-7784) Producer & message format : better management when inter.broker.protocol.version is overrided
Date Thu, 03 Jan 2019 10:20:00 GMT
Hervé RIVIERE created KAFKA-7784:
------------------------------------

             Summary: Producer & message format : better management when inter.broker.protocol.version
is overrided
                 Key: KAFKA-7784
                 URL: https://issues.apache.org/jira/browse/KAFKA-7784
             Project: Kafka
          Issue Type: Improvement
          Components: producer 
    Affects Versions: 2.0.1
            Reporter: Hervé RIVIERE


With the following setup : 
 * Java producer v2.0.1
 * Brokers 2.0.1 with *message format V1* (so with log.message.format.version=0.10.2 &
inter.broker.protocol.version=0.10.2)

 

Producer is sending message with format message V2 so useless down convert to V1 message
format is triggered on broker side.

 

 

An improvement to avoid wasting CPU ressources on broker side will broker advertise current
message format version to client (currently broker advertises only api available). 

With message format version info producer will be able to prefer a specific message format
to avoid down conversion on broker side.



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