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https://issues.apache.org/jira/browse/KAFKA-19991?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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José Armando García Sancio updated KAFKA-19991:
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Description:
A few of the metrics reported by Kafka have the wrong type here are some
examples:
kafka.server:type=raft-metrics
!image-2025-12-12-10-42-18-387.png!
kafka.server:type=broker-metadata-metrics
!image-2025-12-12-10-41-51-845.png! Notice how many of the values are double
instead of integer. This is most likely because the anonymous Java functions
are getting typed to Measurable instead of MetricValueProvider<Integer>.
was:
A few of the metrics reported by Kafka have the wrong type here are some
examples:
kafka.server:type=raft-metrics
!image-2025-12-12-10-42-18-387.png!
kafka.server:type=broker-metadata-metrics
!image-2025-12-12-10-41-51-845.png!
> Incorrect types for some metrics
> --------------------------------
>
> Key: KAFKA-19991
> URL: https://issues.apache.org/jira/browse/KAFKA-19991
> Project: Kafka
> Issue Type: Bug
> Components: metrics
> Reporter: José Armando García Sancio
> Assignee: José Armando García Sancio
> Priority: Major
> Attachments: image-2025-12-12-10-41-51-845.png,
> image-2025-12-12-10-42-18-387.png, kraft-metrics.pdf
>
>
> A few of the metrics reported by Kafka have the wrong type here are some
> examples:
> kafka.server:type=raft-metrics
> !image-2025-12-12-10-42-18-387.png!
> kafka.server:type=broker-metadata-metrics
> !image-2025-12-12-10-41-51-845.png! Notice how many of the values are double
> instead of integer. This is most likely because the anonymous Java functions
> are getting typed to Measurable instead of MetricValueProvider<Integer>.
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