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https://issues.apache.org/jira/browse/KAFKA-9033?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jason Gustafson resolved KAFKA-9033.
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Fix Version/s: 2.4.0
Resolution: Fixed
> Change default client-id in consumer / producer to be more meaningful
> ---------------------------------------------------------------------
>
> Key: KAFKA-9033
> URL: https://issues.apache.org/jira/browse/KAFKA-9033
> Project: Kafka
> Issue Type: Improvement
> Components: clients
> Reporter: Guozhang Wang
> Assignee: Jason Gustafson
> Priority: Major
> Fix For: 2.4.0
>
>
> Right now in consumer / producer, the default client-id is set as
> {{consumer-[suffix]}} and {{producer-[suffix]}} which is not very meaningful;
> on the other hand, since client-ids will be shown on the broker request logs
> it can be very useful for debugging purposes.
> So I'd propose we change their default values as the following:
> 1. For producer:
> {{producer-[transactionalId]-[suffix]}} where {{transactionalId}} would be
> set to {{none}} if null.
> 2. For consumer:
> {{consumer-[groupId]-[instanceId or suffix]}} where {{groupId}} would be set
> to {{none}} if null, and {{suffix}} would only be used if {{instanceId}} is
> set to null.
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