: Estimate the Number of Active Users (DAU/MAU), QPS (Queries Per Second), and acceptable inference latency (e.g., < 50ms).
Handling massive scale (billions of events), managing extremely sparse features, utilizing feature hashing, and dealing with highly imbalanced datasets. 4. Feed Recommendation System (e.g., TikTok or Instagram) Machine Learning System Design Interview Alex Xu Pdf
By combining the book's structured methodology with broader knowledge and intensive practice, you'll be well-prepared to handle any question an interviewer throws your way. : Estimate the Number of Active Users (DAU/MAU),