Walk the p95 Latency Spike
Walk a mesh latency incident using golden signals before naming root cause.
Incident start web-gateway to pricing-api p95 is 8x normal. A timeout PR merged 30 minutes ago, but there is no proof yet that it caused the spike. The first read decides whether the team investigates or thrashes. Golden-signal walk Compare latency with traffic, errors, and saturation before choosing action. A mesh gives enough telemetry to avoid blaming the last change by habit. Rollback first Fast, but may hide the real constraint. The response matches the constrained layer. Use the next signal that separates plausible causes. T Traffic E Errors S Saturation First fork Request rate for the route is flat…
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