Observability in Serverless Applications
summary
Shows automated distributed tracing actually wired into serverless stacks with automated distributed tracing that links API gateway → Azure Functions + Cosmos DB calls and surfaces metadata like which document was touched, operation latency, and exact error counts. Demonstrates using existing metrics and logs, then adding trace context to debug async Node flows, compares in-house vs Epsagon, and recommends stepwise adoption starting from a clear pain point and small experiments rather than a big-bang rollout.
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