Status: Stable Motivation Telemetry sources such as instrumented applications and consumers of telemetry such as observability backends sometimes make implicit assumptions about the emitted telemetry. They assume that the telemetry will contain certain attributes or otherwise have a certain shape and composition of data (this is referred to as “telemetry schema” throughout this document). This makes it difficult or impossible to change the composition of the emitted telemetry data without...| OpenTelemetry
Status: Stable, except where otherwise specified Overview The Metrics API consists of these main components: MeterProvider is the entry point of the API. It provides access to Meters. Meter is responsible for creating Instruments. Instrument is responsible for reporting Measurements. Here is an example of the object hierarchy inside a process instrumented with the metrics API: +-- MeterProvider(default) | +-- Meter(name='io.opentelemetry.runtime', version='1.0.0') | | | +-- Instrument(name='c...| OpenTelemetry
Status: Stable, except where otherwise specified The Tracing API consists of these main components: TracerProvider is the entry point of the API. It provides access to Tracers. Tracer is responsible for creating Spans. Span is the API to trace an operation. Data types While languages and platforms have different ways of representing data, this section defines some generic requirements for this API. Time OpenTelemetry can operate on time values up to nanosecond (ns) precision. The representati...| OpenTelemetry
This document provides an overview of the OpenTelemetry project and defines important fundamental terms. Additional term definitions can be found in the glossary. OpenTelemetry Client Architecture At the highest architectural level, OpenTelemetry clients are organized into signals. Each signal provides a specialized form of observability. For example, tracing, metrics, and baggage are three separate signals. Signals share a common subsystem – context propagation – but they function indepe...| OpenTelemetry