Glossary term
What is Traces / Spans? Meaning for developers
The path of one request across services / one step in it. Example: See that the payment call took 3 of the 3.2 seconds.
Learn it properly · System DesignLesson 46: Logs, Metrics & Traces: The Three Pillars“Checkout took 20 seconds and failed” — but checkout touches eleven components. How logs, metrics and traces each answer a different question, how to instrument with OpenTelemetry, and how linking them takes you from “something's wrong” to “here's why” in minutes.