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Posted to dev@kafka.apache.org by "Kirk True (Jira)" <ji...@apache.org> on 2025/05/17 00:12:00 UTC

[jira] [Created] (KAFKA-19295) Remove AsyncKafkaConsumer event ID generation

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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