Correct tag names according to Micrometer's docs #645
Merged
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See. https://micrometer.io/docs/concepts#_tag_naming
With the current implementation and using official prometheus exporter,
we end up with label names
methodType
andstatusCode
. These labelsdon't follow the snake_case naming convention that prometheus follows
for labels.
Using dot for word separator makes micrometer automatically convert
label names to snake case out of the box.
See. https://github.com/micrometer-metrics/micrometer/blob/main/implementations/micrometer-registry-prometheus/src/main/java/io/micrometer/prometheus/PrometheusNamingConvention.java