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https://issues.apache.org/jira/browse/KAFKA-9369?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17009581#comment-17009581
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David Jacot commented on KAFKA-9369:
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[~belugabehr] FYI - We have introduced a way to carry on client's name and
version to the brokers. The name and the version are statically defined in the
client though. See
[https://cwiki.apache.org/confluence/display/KAFKA/KIP-511%3A+Collect+and+Expose+Client%27s+Name+and+Version+in+the+Brokers.|https://cwiki.apache.org/confluence/display/KAFKA/KIP-511%3A+Collect+and+Expose+Client%27s+Name+and+Version+in+the+Brokers]
If you are looking at the version of your software, `client.id` is the way to
go as pointed out by [~nizhikov].
> Allow Consumers and Producers to Connect with User-Agent String
> ---------------------------------------------------------------
>
> Key: KAFKA-9369
> URL: https://issues.apache.org/jira/browse/KAFKA-9369
> Project: Kafka
> Issue Type: Improvement
> Reporter: David Mollitor
> Priority: Minor
>
> Given the adhoc nature of consumers and producers in Kafka, it can be
> difficult to track where connections to brokers and partitions are coming
> from.
>
> Please allow consumers and producers to pass an optional _user-agent_ string
> during the connection process so that they can quickly and accurately be
> identified. For example, if I am performing an upgrade on my consumers, I
> want to be able to see that no consumers with an older version number of the
> consuming software still exist or if I see an application that is configured
> to consumer from the wrong consumer group, they can quickly be identified and
> removed.
>
> [https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/User-Agent]
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