Alipay Double 11 High-Concurrency Architecture Guide
Multi-Language Edition: This series is also available in Vietnamese at 📖 Bản tiếng Việt (Vietnamese Edition). Answer-First: The Alipay Double 11 architecture represents the global pinnacle of high-throughput financial computing, sustaining peak loads exceeding 583,000 transactions per second (TPS) and 61 million database queries per second. To eliminate distributed lock contention and physical data center scaling ceilings, Alipay engineered five core innovations: Logical Data Center (LDC) cellular unitization, OceanBase distributed NewSQL with Multi-Paxos consensus (RPO=0, RTO < 3s), SOFAStack middle-platform middleware with binary Bolt RPC, Full-Link Stress Testing (FLST) directly in production, and AlphaRisk sub-10ms real-time AI fraud detection. ...