I love prometheus but I wish there was a community resource to share rules and up-to-date dashboards. Grafana’s dashboard site could be a lot better.
Rules, especially rules.
Dashboarding is more of a “creative” task, but exporters’ could do a better job at offering its’ users safe parameters (or how to calculate them) for rules for each and every metric they export.
I have failed a number of times to get realistic and useful throughput numbers. I understand the pain.