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https://issues.apache.org/jira/browse/KAFKA-9745?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17095694#comment-17095694
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Rens Groothuijsen commented on KAFKA-9745:
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[~krasnovnikita] From what I can see in the code, in MM only consumer groups
have a "source" metric exposed, which admittedly might be a bit confusing if
you're expecting it on every type of object. According to the documentation you
linked, "source" isn't provided as a metric for partitions because it can be
inferred from the topic name.
> Attribute is missed in kafka mirror maker metrics
> -------------------------------------------------
>
> Key: KAFKA-9745
> URL: https://issues.apache.org/jira/browse/KAFKA-9745
> Project: Kafka
> Issue Type: Bug
> Components: mirrormaker
> Affects Versions: 2.5.0
> Reporter: Nikita Krasnov
> Priority: Minor
> Attachments: kmm_metrics.png
>
>
> As it described in Kafka mirror maker
> [doc|https://github.com/apache/kafka/tree/trunk/connect/mirror#monitoring-an-mm2-process]
> metrics are tagged with the following properties:
> *target*: alias of target cluster
> *source*: alias of source cluster
> *topic*: remote topic on target cluster
> *partition*: partition being replicated
> But in real life *source* attribute is missed !kmm_metrics.png!
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