Schema-First Telemetry in Go: A New Approach to Observability

Modern Go services generate telemetry (metrics, logs, traces) with instrumentation embedded directly in code. Usually this is code-first: developers call APIs (counters, loggers, tracers) and attach key-value attributes on the fly. It works, but at scale it leads to fragmented data and missing context. Schema-first telemetry turns that around: you define a schema (like an IDL file) for your…