What Are Traces and Spans in OpenTelemetry?
Metrics tell you what changed. Logs tell you why something happened. Traces tell you where time was spent and how a request moved across your system. At the heart of distributed tracing in OpenTelemetry are two core concepts: Trace : The full journey of one request / transaction across services. : The full journey of one request / transaction across services. Span: A timed unit of work inside that journey (function call, DB query, external API call, queue processing, etc.). This guide walks