By following these tips and strategies, you'll be well-prepared to ace your next system design interview and land a job at a top tech company.
| Concept | Explanation | |---------|-------------| | | Add more CPU/RAM to a single server – simple but limited. | | Horizontal scaling | Add more servers behind a load balancer – preferred for large systems. | | Load balancing | Distribute traffic across servers (Round Robin, Least Connections, IP Hash). | | Stateless services | Store session data externally (e.g., Redis) – essential for horizontal scaling. | | Database scaling | Read replicas, sharding, or moving to NoSQL for high write loads. | System Design Interview Fundamentals Rylan Liu Pdf