itsh3sam commented on issue #12778:
URL:
https://github.com/apache/trafficserver/issues/12778#issuecomment-3711256703
Yes, I’ve reviewed the current `/_stats/prometheus` format and docs.
Instead of encoding dimensions into the metric name (e.g.
`proxy_process_http_303_responses` or `proxy_process_api_time_10ms`), I’m
suggesting using Prometheus labels:
```
proxy_process_http_responses{status="303"}
proxy_process_api_time{le="10"}
```
This follows [Prometheus best
practices](https://prometheus.io/docs/practices/instrumentation/#use-labels),
avoids metric name explosion, and makes querying and aggregation much easier.
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