Machine+learning+system+design+interview+ali+aminian+pdf+portable -

Clarify goals (e.g., maximizing click-through rate vs. user retention) and constraints (e.g., latency, data volume).

Designing image-based retrieval engines. Clarify goals (e

Choose appropriate offline (Precision, Recall, ROC-AUC) and online (A/B testing, CTR) metrics. Clarify goals (e.g.