[jira] [Created] (KAFKA-7784) Producer & message format : better management when inter.broker.protocol.version is overrided

Thu, 03 Jan 2019 02:20:12 -0800 

Hervé RIVIERE created KAFKA-7784:
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             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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