Metrics

Use this section when you want to record application metrics or expose runtime metrics with otel4s.

Start here

• Record counters, histograms, and observable measurements in application code: Record application metrics
• Run code that requires a meter without recording or exporting measurements: Provide a no-op meter
• Create instruments with metadata from OpenTelemetry semantic conventions: Create metrics from semantic metric specs
• Customize histogram buckets for a specific metric: Customize histogram buckets
• Export Cats Effect runtime metrics from your application: Register Cats Effect runtime metrics
• Export JVM runtime metrics such as memory, threads, and GC activity: Register JVM runtime metrics