Distributed Systems
Taming Prometheus Cardinality
High-cardinality labels are what kill Prometheus, not query volume. What causes a cardinality explosion, how to spot it, and the label rules that prevent it.
#monitoring
2 articles
Engineering Strategy
Grafana Dashboards for Operators, Not Executives
Most Grafana dashboards are decoration. An operator dashboard answers one question fast during an incident. How to design dashboards that speed up debugging.