Jason Koch created KAFKA-13630:
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Summary: Client producer reduce RecordAccumulator locks in
producer thread
Key: KAFKA-13630
URL: https://issues.apache.org/jira/browse/KAFKA-13630
Project: Kafka
Issue Type: Improvement
Components: clients, producer
Reporter: Jason Koch
Kafka Java client RecordAccumulator uses a thread to manage and send batches as
they are ready. The algorithm in both ready() and drain() use slightly more
locking than strictly necessary, which holds up the producer thread from
writing to batch.
By reducing the code executed in the lock, we see a 11% reduction in spin-loop
lock-related CPU in the producer threads (as they wait for an available batch
to append).
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