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https://issues.apache.org/jira/browse/KAFKA-18843?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Jacot updated KAFKA-18843:
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Fix Version/s: (was: 4.0.0)
> MirrorMaker2 workerId is not unique, but use the same for all the workers
> -------------------------------------------------------------------------
>
> Key: KAFKA-18843
> URL: https://issues.apache.org/jira/browse/KAFKA-18843
> Project: Kafka
> Issue Type: Bug
> Components: mirrormaker
> Affects Versions: 4.0.0, 3.7.0, 3.8.0, 3.9.0
> Reporter: Bertalan Kondrat
> Assignee: Bertalan Kondrat
> Priority: Major
>
> MirrorMaker2 is using the `sourceAndTarget.toString()` as a workerId, that
> makes all the worker's IDs the same across the distributed herder.
> [https://github.com/apache/kafka/blob/d31cbf59dee6a77c1c673db06900ecc238894ed7/connect/mirror/src/main/java/org/apache/kafka/connect/mirror/MirrorMaker.java#L243]
>
> This not cause any functional issues based on our experience, but renders the
> workerId in the status topic messages and in the rest responses useless or
> misleading.
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