Hello All,
I am new to prometheus and have setup JMX_Exporter for Kafka JMX Metrics. I
am still getting my head around rates in prometheus and have been reading
on Counter/Gauges/Histograms etc…
I am trying to get the average BytesInPerSec
I noticed below properties give me the BytesInPerSec
- kafka_server_BrokerTopicMetrics_Count
- kafka_server_BrokerTopicMetrics_FifteenMinuteRate
- kafka_server_BrokerTopicMetrics_FiveMinuteRate
- kafka_server_BrokerTopicMetrics_MeanRate
- kafka_server_BrokerTopicMetrics_OneMinuteRate
So since BytesInPerSec_Count is total count of bytes in since start of
prometheus exporter, and does not decrease unless binary is shutdown, i am
thinking this as a Counter, correct me here.
*Question is*
1. What is the difference between the below 2 queries ?
2. Does FiveMinuteRate give me the info about the last5min changes in
BytesInPerSec?
3. Also what is the difference between rate and avg_over_time ?
Also do we apply rates only on Counters ?
rate(kafka_server_BrokerTopicMetrics_Count{env="Cluster1",name="BytesInPerSec",topic=""}[5m])
rate(kafka_server_BrokerTopicMetrics_FiveMinuteRate{env="Cluster1",topic="",name="BytesInPerSec"}[5m])
Thanks in Advance. Any document helping me to understand the rates and
other functions will really help.
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