James Cheng created KAFKA-2569:
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Summary: Kafka should write its metrics to a Kafka topic
Key: KAFKA-2569
URL: https://issues.apache.org/jira/browse/KAFKA-2569
Project: Kafka
Issue Type: New Feature
Reporter: James Cheng
Kafka is often used to hold and transport monitoring data.
In order to monitor Kafka itself, Kafka currently exposes many metrics via JMX,
which require using a tool to pull the JMX metrics, and then write them to the
monitoring system.
It would be convenient if Kafka could simply send its metrics to a Kafka topic.
This would make most sense if the Kafka topic was in a different Kafka cluster,
but could still be useful even if it was sent to a topic in the same Kafka
cluster.
Of course, if sent to the same cluster, it would not be accessible if the
cluster itself was down.
This would allow monitoring of Kafka itself without requiring people to set up
their own JMX-to-monitoring-system pipelines.
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