Answer
Use correlation IDs, async_hooks-based context tracking, and tools like OpenTelemetry, Jaeger, or Zipkin.
Quick Answer
Distributed tracing tracks a request across multiple services. Use OpenTelemetry (OTel) — instrument Node.js with @opentelemetry/sdk-node, propagate trace context via HTTP headers (W3C Trace Context standard), and export spans to Jaeger, Zipkin, or Datadog. Each service adds a span to the trace — you see the full request path and timing across all services.
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SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ