[jira] [Created] (KAFKA-7014) Guarantee the byte buffer returned by Serializer is reusable

[Chia-Ping Tsai (JIRA)]

Chia-Ping Tsai created KAFKA-7014:
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             Summary: Guarantee the byte buffer returned by Serializer is 
reusable
                 Key: KAFKA-7014
                 URL: https://issues.apache.org/jira/browse/KAFKA-7014
             Project: Kafka
          Issue Type: Bug
            Reporter: Chia-Ping Tsai


The byte array returned by Serializer is copied to another ByteBuffer by 
KafkaProducer so the byte array is reusable actually. If kafka can guarantee 
this behavior (perhaps doc it on the Serializer), user can design the 
size-fixed message and then reuse the byte array.



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