Guozhang Wang created KAFKA-1359:
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Summary: Add topic/broker metrics once new topic/broker is
discovered
Key: KAFKA-1359
URL: https://issues.apache.org/jira/browse/KAFKA-1359
Project: Kafka
Issue Type: Sub-task
Reporter: Guozhang Wang
Today some topic/broker level metrics are only added the first time such an
event (record-retry, record-error, etc) happens. This has a potential issue for
customized mbean reporter which needs to register all the sensors at the time
the new broker/topic is discovered. It is better to add such metrics at the
very beginning when new topic/brokers are discovered.
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