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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