Blog

Stories, guides, and lessons from the world of observability

A clear guide to debug logging—what it is, how to use it well, and why it matters when you're trying to understand what your code is doing.

Observability goes beyond APM—it's not just about metrics, it's about understanding why things break, not just that they did.

Learn how to turn Prometheus into a powerful APM tool—track app performance, reduce guesswork, and get real visibility into your systems.

A practical guide to writing better regex—cleaner, faster patterns that won’t trip up your logs, scripts, or search tools.

Compare HAProxy and NGINX performance with real-world insights. Find out which one handles traffic, load, and speed better for your setup.

Learn how to use Logstash Grok with simple examples. Match and parse logs easily using patterns that are easy to understand.

Build fast, async-ready Python APIs that simplify tooling, automation, and observability pipelines.

A clear-eyed look at ELK, Grafana, and Prometheus—how they handle logs, metrics, and alerts, and which one fits your observability goals best.

Envoy or HAProxy? Pick the right proxy server for performance, observability, and scale—without the jargon.