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Posted to dev@kafka.apache.org by "Matt Sicker (JIRA)" <ji...@apache.org> on 2017/02/25 07:16:44 UTC

[jira] [Created] (KAFKA-4802) Support direct ByteBuffer serializers/deserializers in clients

Matt Sicker created KAFKA-4802:
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             Summary: Support direct ByteBuffer serializers/deserializers in clients
                 Key: KAFKA-4802
                 URL: https://issues.apache.org/jira/browse/KAFKA-4802
             Project: Kafka
          Issue Type: New Feature
          Components: clients
            Reporter: Matt Sicker


RecordAccumulator and Fetcher are already written to take advantage of a pool of ByteBuffers, but Serializer and Deserializer require you to return a byte array. If I have a key or value format that is better handled directly via ByteBuffer, the added conversion to a byte array introduces unnecessary garbage.

An example use case would be in enhancing the KafkaAppender in Log4j 2 to support garbage free logging (or minimal garbage; I haven't really looked at the entire code path).



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