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Sep 17, 2026 · Operations

10M QPS Architecture #256: Shifting Mega-Promo Reliability from Reactive to Proactive

This article details a proactive framework for mega-promotion reliability at 10M QPS, covering business red lines, full-link capacity modeling, stress testing for system boundaries, actionable degradation and isolation, decision-centric observability, executable runbooks, structured war rooms, drills, and readiness gates to replace reactive firefighting.