Topic

prometheus

2 posts

Plate 44

OpenTelemetry Collector + Prometheus + Grafana: A First Stack That Actually Diagnoses

A first OTel Collector, Prometheus, and Grafana lab: OTLP in, Prometheus scrape out, and a break-one-signal drill with measured PromQL.

Summary29 Sept 2026 · 10 min

Plate 30

Why Your Average Latency Graph Is Lying (p50 / p95 / p99 Playbook)

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

Summary29 Sept 2026 · 11 min