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8 pages in this section.
How OpenTelemetry actually structures traces, metrics, and logs as "signals," why the API and SDK are deliberately separate packages, and how context propagates a request's identity across calls - the mental model behind every other page in this section.
Learn observability basics for Node.js backends with 8 examples. Explore logs, metrics, traces, and differentiate health and readiness endpoints.
Instrument Node.js 24 services with OpenTelemetry. Auto-instrument HTTP and database drivers, export OTLP traces, and add manual spans.
Learn Node.js observability best practices for logs, metrics, and traces. Alert on symptoms, not stack traces, and correlate data across services.
A single-page roundup of every highlight bullet from the 7 pages in the Observability section, grouped by source page so you can scan all 28 takeaways without opening each article individually.