Alipay Double 11: 583,000 TPS Architecture Explained
Answer-first: How Alipay’s engineering team scaled Double 11 to 583,000 TPS using LDC unitization, OceanBase, RocketMQ, and SOFAStack. A 2026 deep-dive. At midnight on November 11th, approximately 1.5 billion people across Asia collectively open a single app and start tapping “Buy Now.” In the first 60 seconds, Alipay processes more transactions than a major Western bank handles in an entire day. The 2023 Singles’ Day peak — 583,000 payment transactions per second (TPS) — is not just a headline. It is the product of fourteen years of architectural evolution that has redefined what “production-ready” means for a financial platform. ...