The book you are looking for is titled System Design Interview: An Insider’s Guide
(often referred to as Volume 1 and Volume 2). While the full published books are paid resources, various community-maintained GitHub repositories host PDF copies and study notes. University of Southern California GitHub Repositories for Alex Xu's Book
You can find the PDF and related study materials in the following repositories: mukul96/System-Design-AlexXu : Contains a PDF copy of the first volume. aasthas2022/SDE-Interview-and-Prep-Roadmap : Hosts a direct PDF link under its resources folder. alex-xu-system/bytebytego
: The official GitHub repository that provides links to reference materials for both Volume 1 and Volume 2. arpitn30/EBooks : Another community backup of the PDF guide. Official Paid Resources system design interview alex wu pdf github
If you prefer the most up-to-date and interactive versions, the author provides them through: ByteByteGo : Alex Xu's official platform for Technical Interview Prep which includes digital versions of his books. : Purchase physical or Kindle copies of Key Content in the Books Volume 1 covers foundational designs such as: Scaling from Zero to Millions of Users Design Challenges
: Rate limiters, consistent hashing, key-value stores, and URL shorteners. Major Systems : YouTube, News Feeds, and Google Drive. University of Southern California Volume 2 focuses on more advanced topics like Proximity Services (Yelp) Nearby Friends Google Maps from the book, or would you like a comparison
of other system design resources like "The System Design Primer"? The book you are looking for is titled
System Design Interview An Insider's Guide by Alex Xu (z-lib.org).pdf
EBooks/System Design Interview An Insider's Guide by Alex Xu (z-lib.org). pdf at master · arpitn30/EBooks · GitHub.
Write 3–6 bullets splitting functional and non-functional needs. Call out tradeoffs
Example (simple photo-sharing app):
Call out tradeoffs. If availability is king, choose replication and degrade features gracefully.
system-design-interview-anki-deck. Import the CSV files into Anki.| Resource | Type | GitHub Availability | |----------|------|---------------------| | System Design Primer (Donne Martin) | Community-curated | ✅ Full free repo | | Grokking the System Design (Educative notes) | Summaries | ✅ Many fork repos | | Alex Xu’s blog / ByteByteGo newsletter | Articles & diagrams | ❌ No book PDF | | Designing Data-Intensive Applications (Kleppmann) | Deep fundamentals | ❌ Not on GitHub |
Recommendation: Use the System Design Primer GitHub repo for free, legal content, then buy Alex Xu’s book for the interview-specific walkthroughs.