Quick Answer
Distributed tracing implementation: instrument with OpenTelemetry SDK in each service. Create spans for incoming requests, outgoing calls, and DB queries. Propagate trace context via HTTP headers (W3C Trace Context standard). Export spans to Jaeger or Zipkin. Link spans by trace ID to reconstruct the full call tree. Visualize in Jaeger UI to see timing and errors.
Answer
Tracing follows a request across many services using trace and span IDs. Helps identify latency issues and failures. Tools: Jaeger, Zipkin, OpenTelemetry.
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Verified Answer
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