Prometheus Monitoring: What It Catches and Misses
Prometheus catches metrics, not whether your site is down from the outside. Learn what Prometheus misses and why external uptime checks complete the picture.
Anomaly Detection in Monitoring: Beyond Static Thresholds
What anomaly detection is, how it differs from static thresholds, the techniques behind it, where it helps, and the pitfalls to watch in real monitoring.
DORA Metrics Explained: The 4 Keys to DevOps Performance
What the four DORA metrics measure — deployment frequency, lead time, change failure rate, and time to restore — why they matter, and how to track them.
The Four Golden Signals of Monitoring Explained
Latency, traffic, errors, and saturation — what Google's four golden signals mean, why they work, how to measure each one, and how to alert on them.
RED vs USE Method: Monitoring Metrics Frameworks
RED (Rate, Errors, Duration) vs USE (Utilization, Saturation, Errors) — what each method measures, when to use which, and how they fit together.
OpenTelemetry Monitoring: Traces, Metrics, and Logs
Set up OpenTelemetry monitoring in production. Instrument traces, metrics, and logs, then surface incidents without vendor lock-in.
Calculate Website Uptime: Why 99.9% Isn't Enough
Learn to calculate website uptime, understand SLA percentages, and discover why that impressive 99.9% uptime guarantee still means hours of downtime every year.