If you are preparing for a senior engineering role, you have likely heard of Alex Xu’s System Design Interview – An Insider’s Guide: Volume 2 . While the first volume covers the fundamentals (rate limiting, consistent hashing, etc.), Volume 2 dives into massive, real-world architectures like Google Maps, Stock Exchanges, and Digital Wallets.
Volume 2 focuses on more complex, real-world distributed systems than the first volume, including: Proximity Service : Designing systems like Yelp or Google Maps. Google Maps : Pathfinding and ETA estimation at scale. Distributed Message Queue : Deep dive into Kafka-like architectures. Payment Systems system design interview volume 2 pdf github
Standard database indexes fail when querying two dimensions (latitude and longitude) simultaneously. Geohashing reduces a 2D coordinate into a 1D string. This allows standard database indexes (like B-trees) to perform fast prefix searches to find nearby points. Distributed Message Queue (Kafka Clone) If you are preparing for a senior engineering
Tackling routing algorithms, geohashing, and map rendering. Google Maps : Pathfinding and ETA estimation at scale
System design is a visual discipline. The high-resolution diagrams in the official version are often much clearer than scanned PDFs found online.