Technical Guide

OpenTelemetry 101

This technical guide provides an overview of key concepts of observability and distributed tracing, and details the underlying relationship between core concepts including spans, metrics, and exporters.


OpenTelemetry provides a single set of APIs, libraries, agents, and collector services to capture distributed traces and metrics from your application. OpenTelemetry is a Cloud Native Computing Foundation (CNCF) project.

This is a great reference guide for those who are just getting started with distributed tracing, as well as for veterans who are using (or plan to use) open source instrumentation, including OpenTelemetry or its predecessors, OpenTracing and OpenCensus.

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