Revise · W04 · BossDesign a Global E-Commerce Product Catalog System
5:00
Key ideaBoss · 1/9
At 600K req/s, the hit rate is the design
500M daily views is ~6,000 req/s, and flash sales spike it 100x. Even 1% misses at 600,000 req/s means 6,000 database queries a second: hit rate must exceed 99%.
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