Don't just draw the diamond. Explain why the cache sits between the web server and the DB.
"System Design Interview – An Insider's Guide" by Alex Xu provides a structured, four-step framework for tackling complex, open-ended technical interviews, covering foundational concepts like scalability, caching, and database design. The guide features numerous real-world case studies, including designing rate limiters, key-value stores, and distributed systems, with updated content available via ByteByteGo and official e-books. For the comprehensive and updated guides, explore the resources at ByteByteGo. system design interview alex wu pdf
If you download the PDF, skip to these chapters immediately. These are the most common interview questions: Don't just draw the diamond