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Fix: Kraft Controllers raft-metrics expose (Fixes Issue:1899) #1900

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Fix: Kraft Controllers raft-metrics expose (Fixes Issue:1899) #1900

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29 changes: 28 additions & 1 deletion roles/kafka_controller/templates/kafka.yml.j2
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Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,7 @@ excludeObjectNames:
# "kafka.admin.client:type=*, id=*"
- "kafka.admin.client:*"
- "kafka.server:type=*,cipher=*,protocol=*,listener=*,networkProcessor=*"
- "kafka.server:type=*"
#- "kafka.server:type=*"
rules:
# This is by far the biggest contributor to the number of sheer metrics being produced.
# Always keep it on the top for the case of probability when so many metrics will hit the first condition and exit.
Expand Down Expand Up @@ -189,3 +189,30 @@ rules:
cache: {{ kafka_controller_jmxexporter_bean_name_expressions_cache | lower }}
labels:
"$3": "$4"
# KRaft overall related metrics
# distinguish between always increasing COUNTER (total and max) and variable GAUGE (all others) metrics
- pattern: "kafka.server<type=raft-metrics><>(.+-total|.+-max):"
name: kafka_server_raftmetrics_$1
type: COUNTER
cache: {{ kafka_controller_jmxexporter_bean_name_expressions_cache | lower }}
- pattern: "kafka.server<type=raft-metrics><>(current-state): (.+)"
name: kafka_server_raftmetrics_$1
value: 1
type: UNTYPED
cache: {{ kafka_controller_jmxexporter_bean_name_expressions_cache | lower }}
labels:
$1: "$2"
- pattern: "kafka.server<type=raft-metrics><>(.+):"
name: kafka_server_raftmetrics_$1
type: GAUGE
cache: {{ kafka_controller_jmxexporter_bean_name_expressions_cache | lower }}
# KRaft "low level" channels related metrics
# distinguish between always increasing COUNTER (total and max) and variable GAUGE (all others) metrics
- pattern: "kafka.server<type=raft-channel-metrics><>(.+-total|.+-max):"
name: kafka_server_raftchannelmetrics_$1
type: COUNTER
cache: {{ kafka_controller_jmxexporter_bean_name_expressions_cache | lower }}
- pattern: "kafka.server<type=raft-channel-metrics><>(.+):"
name: kafka_server_raftchannelmetrics_$1
type: GAUGE
cache: {{ kafka_controller_jmxexporter_bean_name_expressions_cache | lower }}