Benoit Delbosc created KAFKA-15402:
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Summary: Performance Regression after Upgrading to 3.5.0
Key: KAFKA-15402
URL: https://issues.apache.org/jira/browse/KAFKA-15402
Project: Kafka
Issue Type: Bug
Components: consumer, producer
Affects Versions: 3.5.1, 3.5.0
Reporter: Benoit Delbosc
Hi,
After upgrading to Kafka client version 3.5.0, we have observed a significant
increase in the duration of our Java unit tests. These unit tests heavily rely
on the Kafka Admin, Producer, and Consumer API.
When using Kafka server version 3.4.1, the duration of the unit tests increased
from 8 seconds (with Kafka client 3.4.1) to 18 seconds (with Kafka client
3.5.0).
Similarly, when using Kafka server version 3.5.1, the duration of the unit
tests increased from 16 seconds (with Kafka client 3.4.1) to 25 seconds (with
Kafka client 3.5.0).
The performance regression is observed when either the client or server is
upgraded to version 3.5.0 (or 3.5.1).
I have come across the issue KAFKA-15178, which could be the culprit. I will
attempt to test the proposed patch.
In the meantime, if you have any ideas that could help identify and address the
regression, please let me know.
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