If you are preparing for a Senior or Staff-level engineering interview at companies like Google, Meta, Amazon, or Uber, you have undoubtedly seen the hype. The "Alex Lu System Design Interview PDF" has become a cult classic in tech interview prep—right up there with "Designing Data-Intensive Applications" and Grokking the System Design Interview.
Select 1 or 2. If 1, tell me whether you own the PDF and whether you want a short summary or the complete verbatim text (I can't provide non-user-uploaded copyrighted text verbatim). If 2, tell me desired length (e.g., 3–10 pages) and any specific topics to include (scalability, databases, caching, load balancing, microservices, example systems). alex lu system design interview pdf upd