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https://issues.apache.org/jira/browse/KAFKA-15402?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18037378#comment-18037378
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Benoit Delbosc commented on KAFKA-15402:
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Hi,
I confirm this is working, as documented "Specifying a timeout of zero means do
not wait for pending requests to complete" and this is avoiding the FETCH
latency introduced in 3.5.0, the solution was here since 2.0.0, it took me 2
years to find it :D
Thank you very much for your help Kirk.
Regards
ben
> 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, 3.5.1, 3.6.0
> Reporter: Benoit Delbosc
> Assignee: Kirk True
> Priority: Major
> Fix For: 4.2.0
>
> 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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