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Add the following metrics via a sensor:
- kafka.coordinator.groupserver:type=group-metadata-managercoordinator-metrics,name=group-load-time-max
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Value: 0 or greater over time; maximum time, in milliseconds, it took to load offsets and group metadata from the __consumer_offsets partitions loaded in the last 30 seconds.
- kafkakafk.coordinator.groupaserver:type=group-metadata-managercoordinator-metrics,name=group-load-time-avg
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Note: this average may look very low at times when a majority of the partitions are unused causing some load times to be 0 seconds.
- kafka.coordinator.groupserver:type=transaction-state-managercoordinator-metrics,name=transaction-load-time-max
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Value: 0 or greater over time; maximum time, in milliseconds, it took to load offsets and transaction state from the __transaction_state partitions loaded in the last 30 seconds.
- kafka.coordinator.groupserver:type=transaction-state-managercoordinator-metrics,name=transaction-load-time-avg
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