SMTP/POP3/IMAP, storage optimization, and anti-spam systems. S3-like Object Storage Blob storage, metadata management, and erasure coding. 10 Real-time Leaderboard Redis Sorted Sets and real-time ranking updates. 11 Payment System Double-entry bookkeeping, idempotency, and reconciliation. 12 Digital Wallet Distributed transactions and ledger consistency. 13 Stock Exchange Order matching engines and ultra-low latency requirements. 🔗 Online Resources and GitHub
GitHub has become a central hub for the system design community, and Volume 2 is no exception. The platform hosts a vast ecosystem of resources, translations, and complementary materials created by developers for developers. These include: system design interview alex xu volume 2 pdf github work
: Features over 300 diagrams to illustrate data flows and component interactions. 📖 Table of Contents ( The book is organized into 13 case studies: Key Concepts 1 Proximity Service SMTP/POP3/IMAP, storage optimization, and anti-spam systems