Trace A Checkout Request
Create a distributed trace design that captures spans, attributes, status, and context propagation for checkout.
Design a checkout trace that explains why gift-card customers see high latency while other payment methods look normal. Root span -> dependency spans -> safe attributes -> propagated context The common trap is tracing only the entrypoint. A root span without dependency spans proves the request was slow but not where the time went. Create the root span Start checkout.submit at the API edge with route, method, status, and overall duration. The root span anchors the request and connects the trace to the service-level latency metric. Add dependency spans Create child spans for cart.validate, inventory.reserve, giftcard.authorize, tax.quote, and payment.capture. Child…
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