Machine Learning System Design Interview Alex Xu Pdf Github Patched Jun 2026

: Select offline (AUC, Precision/Recall) and online (A/B testing) metrics to measure performance. Serving & Deployment

: Identify and transform key model inputs . : Select offline (AUC, Precision/Recall) and online (A/B

If you are preparing for these interviews, I can provide more specific examples of high-level designs (e.g., how to design a recommendation engine vs. a spam detection system). Let me know which, or if you'd like to dive into the specifics of a feature store. : Select offline (AUC

How do you detect when the physical world changes and your model's accuracy degrades? : Select offline (AUC, Precision/Recall) and online (A/B