Metrics & Monitoring

Emit numeric service and resource measurements for dashboards and alerts.

metrics

Detailed Description

Metrics show trends and health over time. They are ideal for alerts and capacity questions.

Choose labels carefully because unbounded cardinality can overwhelm metrics storage.

RED: rate/errors/duration
USE: utilization/saturation/errors
Dashboards + alerts

Pros

Alerting, capacity planning, SLA/SLO tracking

Cons

High cardinality can become expensive

Examples: Prometheus + Grafana, Datadog, New Relic