semantic-conventions.md

Semantic Conventions

Status: Development

The Semantic Conventions define the keys and values which describe commonly observed concepts, protocols, and operations used by applications.

OpenTelemetry defines its semantic conventions in a separate repository: https://github.com/open-telemetry/semantic-conventions.

Reserved Attributes

Semantic conventions MUST provide the following attributes:

• error.type
• exception.message
• exception.stacktrace
• exception.type
• server.address
• server.port
• service.name
• telemetry.sdk.language
• telemetry.sdk.name
• telemetry.sdk.version
• url.scheme

Semantic conventions MUST provide the following events:

• exception

In-development Reserved Attributes

Semantic conventions MUST provide the following attributes:

• service.instance.id

Reserved Namespace

The otel.* namespace is reserved for defining compatibility with non-OpenTelemetry technologies.