How Engineers Find the One Slow Service Among Four Hundred #Shorts

A trading platform was silently losing 2% of its orders and six engineers spent three days hunting through logs. With distributed tracing it would have taken 15 minutes. A trace is the full story of one request across every service, built from spans. A trace ID rides the request headers so every service tags its work, a collector stitches it into a tree, and a flame-graph waterfall makes the slow service obvious. Plus sampling, the 65 TB/day problem, and the tools: OpenTelemetry, Jaeger, Honeycomb, Datadog.

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#systemdesign #observability #distributedtracing #microservices #backend #codinginterview #Shorts

Видео How Engineers Find the One Slow Service Among Four Hundred #Shorts канала Total Technology Zonne