Kirk True created KAFKA-19295:
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Summary: Remove AsyncKafkaConsumer event ID generation
Key: KAFKA-19295
URL: https://issues.apache.org/jira/browse/KAFKA-19295
Project: Kafka
Issue Type: Improvement
Components: clients, consumer
Reporter: Kirk True
Assignee: Kirk True
The AsyncKafkaConsumer uses a queue-based event mechanism to communicate
between the application thread and the background network thread. Unique IDs
were added to the events, mostly as a way to disambiguate different events in
logs. However, in situations where many events are being created in a tight
loop (e.g. polling in the consumer a few records at a time), there is an
inordinate amount of CPU time spent achieving the randomness for the event IDs.
Since there is no functional benefit to having IDs for events, and little
likelihood of individual events being included in logs, ID generation should be
removed.
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