Jess created KAFKA-19532:
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Summary: Kafka request metric discrepancies
Key: KAFKA-19532
URL: https://issues.apache.org/jira/browse/KAFKA-19532
Project: Kafka
Issue Type: Bug
Reporter: Jess
Following up on the discussion in this Kafka discussion thread:
[https://lists.apache.org/thread/w4n0tbpn08ocnyq51vj0mjhxmbn42fcv.]
It appears that there is a possible bug between the metrics
`kafka.network:type=RequestMetrics,name=RequestsPerSec,request=
\{Produce|FetchConsumer|FetchFollower},version=([0-9]+)` and these two metrics:
*
`kafka.server:type=BrokerTopicMetrics,name=TotalProduceRequestsPerSec,topic=([-.\\w]+)`
*
`kafka.server:type=BrokerTopicMetrics,name=TotalFetchRequestsPerSec,topic=([-.\\w]+)`
Both represent requests per second, which makes it especially confusing when I
see completely different values for both. I would assume data would line up for
these metrics, so maybe I am misunderstanding how these metrics work
(`kafka.network` vs `kafka.server`) or whether there is simply a bug (as
suggested by the discussion thread) but I would like to get to the bottom of
this confusion.
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