> For clean Markdown content of this page, append .md to this URL. For the complete documentation index, see https://docs.nvidia.com/dynamo/llms.txt. For full content including API reference and SDK examples, see https://docs.nvidia.com/dynamo/llms-full.txt.

# Observability

## Docs

- [Local Observability Stack Reference](https://docs.nvidia.com/dynamo/v1.4.1/reference/observability/local-stack.md): Services, ports, signal flow, and configuration files for the Docker Compose stack
- [Health Check Reference](https://docs.nvidia.com/dynamo/v1.4.1/reference/observability/health-checks.md): Health endpoints, status codes, paths, and active-check configuration
- [Logging Reference](https://docs.nvidia.com/dynamo/v1.4.1/reference/observability/logging.md): Log formats, levels, correlation fields, and backend controls
- [Forward Pass Metrics Trace Reference](https://docs.nvidia.com/dynamo/v1.4.1/reference/observability/forward-pass-metrics-traces.md): Configuration, topology support, file rotation, and the dynamo.fpm.trace.v1 schema
- [Request Trace Reference](https://docs.nvidia.com/dynamo/v1.4.1/reference/observability/request-traces.md): Record selection, sinks, rotation, OTLP export, and the dynamo.request.trace.v1 schema
- [Environment Variables](https://docs.nvidia.com/dynamo/v1.4.1/reference/observability/environment-variables.md): Every environment variable that controls Dynamo metrics, tracing, logging, health checks, and request capture.
- [Metrics Catalog](https://docs.nvidia.com/dynamo/v1.4.1/reference/observability/metrics-catalog.md): Every dynamo_* metric emitted by the frontend, backend workers, and router — name, type, and meaning.
- [Engine Metrics Comparison](https://docs.nvidia.com/dynamo/v1.4.1/reference/observability/metrics-comparison.md)
- [Metric Labels](https://docs.nvidia.com/dynamo/v1.4.1/reference/observability/metric-labels.md): Every label dimension attached to Dynamo metric series — where each one comes from and the values it can take.
- [Operator Metrics](https://docs.nvidia.com/dynamo/v1.4.1/reference/observability/operator-metrics.md): Kubernetes-only dynamo_operator_* metrics and the annotations and Helm values that enable metrics collection.
- [Local Resource Monitor (Local)](https://docs.nvidia.com/dynamo/v1.4.1/reference/observability/local-resource-monitor-local.md): Host-side per-process VRAM / PCIe / CPU exporter for engine-startup profiling — metrics and CLI flags.