[jira] [Created] (KAFKA-15402) Performance Regression after Upgrading to 3.5.0

["Benoit Delbosc (Jira)" <ji...@apache.org>]

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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