Metrics & Monitoring Best Practices
Application metrics best practices with Prometheus, OpenTelemetry, custom instrumentation, dashboards, and alerting strategies.
- Difficulty
- intermediate
- Read time
- 1 min read
- Version
- v1.0.0
- Confidence
- established
- Last updated
Quick Reference
Prometheus Metrics: Use counter for totals (requests, errors), gauge for current values (connections, queue size), histogram for distributions (latency). Name format: namespace_subsystem_name_unit. Add labels for dimensions but keep cardinality low. RED method for services, USE for resources.
Use When
- Setting up application metrics
- Building Prometheus/Grafana dashboards
- Implementing SLOs and alerting
- Integrating OpenTelemetry metrics
Skip When
- Simple applications without monitoring needs
- Development-only environments
Metrics & Monitoring Best Practices
Application metrics best practices with Prometheus, OpenTelemetry, custom instrumentation, dashboards, and alerting strategies.