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https://issues.apache.org/jira/browse/KAFKA-13140?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bruno Cadonna updated KAFKA-13140:
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Fix Version/s: (was: 3.2.0)
> KRaft brokers do not expose kafka.controller metrics, breaking backwards
> compatibility
> --------------------------------------------------------------------------------------
>
> Key: KAFKA-13140
> URL: https://issues.apache.org/jira/browse/KAFKA-13140
> Project: Kafka
> Issue Type: Bug
> Components: kraft
> Affects Versions: 2.8.0, 3.0.0
> Reporter: Ron Dagostino
> Assignee: Ron Dagostino
> Priority: Major
>
> The following controller metrics are exposed on every broker in a
> ZooKeeper-based (i.e. non-KRaft) cluster regardless of whether the broker is
> the active controller or not, but these metrics are not exposed on KRaft
> nodes that have process.roles=broker (i.e. KRaft nodes that do not implement
> the controller role). For backwards compatibility, KRaft nodes that are just
> brokers should expose these metrics with values all equal to 0: just like
> ZooKeeper-based brokers do when they are not the active controller.
> kafka.controller:type=KafkaController,name=ActiveControllerCount
> kafka.controller:type=KafkaController,name=GlobalTopicCount
> kafka.controller:type=KafkaController,name=GlobalPartitionCount
> kafka.controller:type=KafkaController,name=OfflinePartitionsCount
> kafka.controller:type=KafkaController,name=PreferredReplicaImbalanceCount
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