Research notes, reports, and practical documentation.
🏗️ System Architecture Research
Alipay Double 11 Architecture
Comprehensive study of Alipay’s planet-scale system handling 544,000 TPS.
| Phase | Document | Description |
|---|---|---|
| Overview | Executive Summary | TL;DR for leadership |
| Index | Research Index | Full navigation & quick ref |
| Learn | Learning Path | Study guide with exercises |
| Plan | Research Plan | 5-phase research roadmap |
Phase 1: History & Context
- Timeline & Evolution - From 2009 to 544K TPS
Phase 2: Core Architecture
- LDC & Distributed Systems - Unitization, OceanBase, Patterns
Phase 3: Operations
- Stress Testing & Reliability - 60% to 95% confidence
Phase 4: Technology Deep Dive
- Technology Overview - Middle platform, CTU, Payment flow
- Deep Dive - SOFAStack, RocketMQ, Storage engine
Phase 5: Synthesis
- Lessons & Patterns - DO vs DON’T, Decision framework
Modern Comparison
- vs Kubernetes, Kafka, etc. - When to use what
📊 Stats
- 11 documents | ~230KB | 3,700+ lines
- Research time: 40-80 hours
- Topics: Architecture, Operations, Database, Distributed Systems