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Never jump into a diagram. Ask about DAU (Daily Active Users), data retention, and core features.

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Mastering System Design: A Deep Dive into Fundamentals with Rylan Liu Never jump into a diagram

Summarize your design and mention potential future improvements. Finding Quality Resources system design interview fundamentals rylan liu pdf verified

Calculate QPS (Queries Per Second) and storage requirements to determine if the system is read-heavy or write-heavy.