Passing the system design interview isn't about having a PDF on your hard drive. It is about internalizing the trade-offs (consistency vs. availability, latency vs. throughput). No pirated file can teach you that. Only deliberate practice can.
His book series, System Design Interview – An Insider’s Guide , has become the de facto bible for engineers trying to master the art of scaling systems. While Volume 1 focused on foundational concepts (load balancers, caching, CDNs), dives into more complex, distributed system patterns.
Good luck with your interview. Now close the GitHub search tab and open an editor.
If you are a software engineer preparing for senior-level interviews at FAANG (Facebook, Amazon, Apple, Netflix, Google) or any top-tier tech company, you have almost certainly encountered the name Alex Xu .
When a user uploads a copyrighted PDF to GitHub, the publisher (typically Byte Byte Go or a partner) issues a DMCA (Digital Millennium Copyright Act) takedown notice. GitHub complies quickly. You will likely find a repository that says "404 – This repository has been disabled due to a DMCA takedown."
A quick glance at search trends reveals a specific, high-volume query: “system design interview alex xu volume 2 pdf github” .
Some repos claim to have the PDF but host a password-protected RAR file or a link to an external ad-filled download site. These are often vectors for malware, spyware, or keyloggers.