[jira] [Commented] (KAFKA-19652) Consumer throughput drops by 10 times with Kafka v3.9.0 in ZK mode

["Jainil Rana (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/KAFKA-19652?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18024066#comment-18024066 ] 

Jainil Rana commented on KAFKA-19652:
-------------------------------------

Hi [~gargsha] , I’ve been reproducing KAFKA-19652 (consumer throughput regression in 3.9.0 vs 3.5.1, ZK mode) using the perf test tools. For accurate benchmarking, should I fully load the topic first and then run the consumer, or is it fine to run producer and consumer in parallel if I set auto.offset.reset=earliest?

How is it usually done ?

> Consumer throughput drops by 10 times with Kafka v3.9.0 in ZK mode
> ------------------------------------------------------------------
>
>                 Key: KAFKA-19652
>                 URL: https://issues.apache.org/jira/browse/KAFKA-19652
>             Project: Kafka
>          Issue Type: Bug
>          Components: clients, consumer
>    Affects Versions: 3.9.0
>            Reporter: Sharad Garg
>            Priority: Blocker
>
> Kafka consumer throughput in best-case drops by ~10 times after upgrading to kafka v3.9.0 from v3.5.1. Note that this is in ZK mode and KRAFT migration is not done yet.



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