Grafana

Most monitoring dashboards are useless. Walls of graphs nobody looks at until something breaks — then nobody knows which graph matters. Here’s how to build dashboards that actually help. The Dashboard Hierarchy L L L e e e v v v e e e l l l 1 2 3 : : : E " S " D " x I e W e W e s r h e h c v a p y u e i t t v ↓ c ' ↓ D i i e e s i s v r v e y H b e i t e r t O h a o ( v i l k p b e n t e e r r g h n r o v ? k i O ( " c e e K p o n w ? e m ? " r p " ( o 1 s n e e d r n a v t s i ) h c b e o ) a r d ) Start at level 1, drill down when needed. ...

Bad monitoring means missing real problems. Bad alerting means 3 AM pages for things that don’t matter. Let’s do both right. What to Monitor The Four Golden Signals From Google’s SRE book — if you monitor nothing else, monitor these: 1. Latency: How long requests take 1 2 3 4 # p95 latency over 5 minutes histogram_quantile(0.95, sum(rate(http_request_duration_seconds_bucket[5m])) by (le) ) 2. Traffic: Request volume 1 2 # Requests per second sum(rate(http_requests_total[5m])) 3. Errors: Failure rate ...