Prometheus Monitoring

Overview

Prometheus provides metrics collection and alerting for comprehensive application monitoring. This skill should be invoked when collecting application metrics, monitoring performance, or setting up observability.

Core Principles

• Metric Types: Counters, Gauges, Histograms, Summaries
• Pull Model: Prometheus scrapes /metrics endpoints
• Labels: Use labels for dimensional data
• Alerts: Define alert rules for anomalies

Preparation Checklist

• Set up Prometheus server
• Choose client library for your language
• Plan metrics and labels
• Design alerting rules