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https://issues.apache.org/jira/browse/KAFKA-10126?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17129067#comment-17129067
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Chia-Ping Tsai commented on KAFKA-10126:
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> Use consumer group?
yep. Should we enable user to control the number of groups ? (for example, 10
consumers with 2 groups)
> It seems the consumer number can't be bigger than the partition number.
maybe add new argument to create topic with specify number of partitions. It
seems to me both numbers are important factor of performance.
> So the thread number can't be bigger than partition number either.
we can throw exception or print warning.
BTW, this issue requires a KIP if you want to remove/add arguments :)
> Remove unused options in ConsumerPerformance
> --------------------------------------------
>
> Key: KAFKA-10126
> URL: https://issues.apache.org/jira/browse/KAFKA-10126
> Project: Kafka
> Issue Type: Bug
> Reporter: jiamei xie
> Assignee: jiamei xie
> Priority: Major
>
> Option numThreadsOpt and numFetchersOpt are unused in ConsumerPerformance.
> It's a waste of time to test performance vs threads number. So removing it is
> needed.
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