xiaodongdu opened a new pull request #8691:
URL: https://github.com/apache/kafka/pull/8691
Implement KIP-606, add metadata context to MetricsReporter:
Added a new api to MetricsReporter to allow client to expose additional
metadata fields to reporter plugin. Added an interface MetricsContext to
encapsulate metadata.
Deprecated JmexReporter(String prefix) constructor. The prefix will be
passed to the reporter via MetricsContext.
Replaced existing usage of JmxReporter with the default ImxReporter and pass
JMX prefix to MetricsContext using _namespace as key.
From Kafka broker, populate MetricsContext with: kafka.cluster.id and
kafka.nroker.id
From Connect, populate MetricsContext with: connect.kafka.cluster.id,
connect.group.id
Committer Checklist (excluded from commit message)
Verify design and implementation
Verify test coverage and CI build status
Verify documentation (including upgrade notes)
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