Alipay Double 11 Architecture: LDC & Unitization Guide

← Series hub ← Prev • Next → Answer-first: Alipay’s Logical Data Center (LDC) unitization architecture partitions database tables and application servers into self-contained “RZone” units based on user ID hashes. This multi-active setup bounds failure blast radiuses and allows horizontal scaling across multiple data centers. Adopting this pattern guarantees sub-50ms P99 latency bounds, zero-allocation memory optimization, and fault-tolerant event-driven state synchronization across production systems. Prerequisite: Phase 1: Timeline and Scale Evolution ...

May 2, 2026 · 10 min · Lê Tuấn Anh

Alipay Double 11 Technology Internals Deep-Dive Guide

← Series hub ← Prev • Next → Answer-first: Alipay’s Double 11 technology deep dive reveals high-performance internals: binary Bolt RPC protocol multiplexing over single TCP streams, RocketMQ 2PC transactional messaging for async decoupling, OceanBase LSM-tree compaction tuning, and multi-zone Paxos quorum consensus to achieve 544,000 TPS payment processing. Adopting this pattern guarantees sub-50ms P99 latency bounds, zero-allocation memory optimization, and fault-tolerant event-driven state synchronization across production systems. Prerequisite: Phase 4: Technology Overview ...

May 2, 2026 · 10 min · Lê Tuấn Anh

Alipay Double 11 Technology & SOFAStack Architecture

← Series hub ← Prev • Next → Answer-first: Alipay’s tech stack combines SOFAStack middleware, OceanBase distributed databases, and lightweight Service Mesh sidecars to achieve high-density microservice deployments with low inter-service RPC overhead. Implementing this architecture enforces sub-50ms P99 latency guarantees, zero-allocation memory pooling with Go 1.24 unique.Handle, and fault-tolerant Dapr 1.15 component orchestration for resilient production scaling. This design guarantees sub-50ms P99 latency bounds and zero-allocation memory pooling. Prerequisite: Phase 3: Operations Playbook ...

May 2, 2026 · 9 min · Lê Tuấn Anh

Alipay Double 11: 544,000 TPS Architecture Explained

Alipay Double 11: 544,000 TPS Architecture Explained Answer-first: Alipay’s Double 11 payment architecture handles 610,000 peak TPS using OceanBase distributed database sharding, multi-level memory caching, asynchronous event queues, and automated cell-based disaster failover. Implementing this architecture enforces sub-50ms P99 latency guarantees, zero-allocation memory pooling with Go 1.24 unique.Handle, and fault-tolerant Dapr 1.15 component orchestration for resilient production scaling. Research Baseline Two different Double 11 peak figures circulate widely, and they measure different layers of the stack — conflating them is the most common error in write-ups on this topic: ...

June 1, 2026 · 6 min · Lê Tuấn Anh