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https://issues.apache.org/jira/browse/KAFKA-15402?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17915766#comment-17915766
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David Jacot commented on KAFKA-15402:
-------------------------------------
Hi [~bdelbosc]. I agree that this is an issue. Unfortunately, we haven't had
the bandwidth to look into it yet. Would you have time for raising a PR to fix
it? If you do, I happy to review it.
> Performance regression on close consumer after upgrading to 3.5.0
> -----------------------------------------------------------------
>
> Key: KAFKA-15402
> URL: https://issues.apache.org/jira/browse/KAFKA-15402
> Project: Kafka
> Issue Type: Bug
> Components: clients, consumer
> Affects Versions: 3.5.0, 3.6.0, 3.5.1
> Reporter: Benoit Delbosc
> Priority: Major
> Fix For: 4.1.0
>
> Attachments: image-2023-08-24-18-51-21-720.png,
> image-2023-08-24-18-51-57-435.png, image-2023-08-25-10-50-28-079.png
>
>
> 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).
> Upgrading the Kafka server to 3.5.1 show similar results.
> 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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