> This page is for NeMo Relay, version v0.9.4.
> For other versions, use one of these documentation indexes:
> - Latest (v0.10.0) (default): https://docs.nvidia.com/nemo/relay/latest/llms.txt
> - dev: https://docs.nvidia.com/nemo/relay/dev/llms.txt
> - v0.10.0: https://docs.nvidia.com/nemo/relay/v0.10.0/llms.txt
> - v0.9.4: https://docs.nvidia.com/nemo/relay/v0.9.4/llms.txt
> - v0.8.4: https://docs.nvidia.com/nemo/relay/v0.8.4/llms.txt
> - v0.7.3: https://docs.nvidia.com/nemo/relay/v0.7.3/llms.txt
> - v0.6.0: https://docs.nvidia.com/nemo/relay/v0.6.0/llms.txt
> - v0.5.0: https://docs.nvidia.com/nemo/relay/v0.5.0/llms.txt

> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.nvidia.com/nemo/relay/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.nvidia.com/nemo/relay/_mcp/server.

# Module otel_metrics

> OpenTelemetry metric export for Relay metric marks.

Generated from `cargo doc --no-deps -p nemo-relay -p nemo-relay-adaptive -p nemo-relay-pii-redaction -p nemo-relay-ffi -p nemo-relay-types -p nemo-relay-plugin -p nemo-relay-worker-proto -p nemo-relay-worker`.

OpenTelemetry metric export for Relay metric marks.

## Structs

* [OpenTelemetryMetricConfig](/reference/api/rust-library-reference/nemo-relay/observability/otel_metrics/struct-opentelemetrymetricconfig): Configuration for an OTLP metric subscriber.
* [OpenTelemetryMetricSubscriber](/reference/api/rust-library-reference/nemo-relay/observability/otel_metrics/struct-opentelemetrymetricsubscriber): OpenTelemetry metric-backed Relay event subscriber.

## Enums

* [MetricTemporality](/reference/api/rust-library-reference/nemo-relay/observability/otel_metrics/enum-metrictemporality): Preferred aggregation temporality for OTLP metrics.

## Functions

* [resolve\_http\_metric\_endpoint](/reference/api/rust-library-reference/nemo-relay/observability/otel_metrics/fn-resolve-http-metric-endpoint): Resolve an OTLP/HTTP endpoint for the metrics signal.