Status

Current state: Under DiscussionApproved

Discussion thread: here

JIRA: KAFKA-13883

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1. kafka.server:type=broker-metadata-metrics,name=last-applied-record-offset
   Reports the offset of the last record consumed by the broker.
2. kafka.server:type=broker-metadata-metrics,name=last-applied-record-timestamp 
3. kafka.server:type=broker-metadata-metrics,name=last-applied-record-lag-ms
4. kafka.server:type=broker-metadata-metrics,name=loadpending-record-processing-time-us-avg
   Reports the average amount of time it took for the broker to process all pending committed records when there are pending records in the cluster metadata partition. The time unit for this metric is microseconds.
5. kafka.server:type=broker-metadata-metrics,name=loadpending-record-processing-time-us-max
   Reports the maximum amount of time it took for the broker to process all pending committed records when there are pending records in the cluster metadata partition. The time unit for this metric is microseconds.
6. kafka.server:type=broker-metadata-metrics,name=record-batch-size-byte-avg
   Reports the average byte size of the record batches in the cluster metadata partition.
7. kafka.server:type=broker-metadata-metrics,name=record-batch-size-byte-max
   Reports the maximum byte size of the record batches in the cluster metadata partition.

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