Topic

sre

111 posts

p50 vs p95 vs p99 Latency: Why Your Average Graph Lies

Average latency hides tail pain. Learn when mean lies, how p50/p95/p99 work, why averaging quantiles fails, and how Prometheus histograms fix aggregation.

29 Sept 202611 min read

How to Read Server Monitoring Graphs

A framework for turning dashboard noise into a diagnosis, based on the four golden signals and the symptom-versus-cause split — summarized from kciter's guide, with the author's hands-on verdict still to come.

22 Sept 20266 min read

How to Read Server Monitoring Graphs

A framework for diagnosing dashboards: symptoms first, causes second, and why the average response time metric is lying to you.

10 Sept 20266 min read