I have all kafka broker metrics exported to prometheus and trying to build
grafana dashboard. Kafka version i am using is 2.5.0
I am confused about
kafka.server:type=KafkaRequestHandlerPool,name=RequestHandlerAvgIdlePercent
metric.
according to kafka documentation it is "The average fraction of time the
request handler threads are idle and value should be between 0 and 1,
ideally > 0.3"
but when i try to query the metric from prometheus i do not find any metric
with name
"kafka_server_kafkarequesthandlerpool_requesthandleravgidlepercent".
Instead the metric i find is
"kafka_server_kafkarequesthandlerpool_requesthandleravgidlepercent_count".
its value is not between 0 and 1 but a very large number.
seems it is not a percent metric but some count metric whose value keep
increasing.
need help in interpreting this metric value.
i googled for answer but could not find any.

Thanks,
dsingh

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