Walk the Observability Gate
Use observability signals to decide whether a deployment is safe to widen.
signal-stack decision-path synthesis-card Canary gate The GraphQL gateway is at 10%. CPU looks fine, but checkout traces across services are missing. Widening without diagnostic visibility turns a canary into a larger mystery. Observability gate Metrics show, logs explain, traces connect A rollout needs enough telemetry to detect user impact and localize likely causes before blast radius grows. Shortcut Look at CPU and hope user journeys are fine. The team can detect, explain, and recover a bad rollout. Telemetry is only rollout-ready when it supports action under time pressure. 01 Guardrail 02 Correlation 03
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