System Design Patterns: From Fundamentals to Real Systems

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Capstone - Caching the Product Catalog

Capstone: Caching the Product Catalog

Five lessons, five patterns. Here's the exam: one product page, which looks like a single thing and is actually five different kinds of data wearing one URL. Each kind has its own read/write profile and its own price for being wrong, so each gets its own caching decision. Then, once every decision is made, the flash sale arrives to stress-test all of them at once.

At each stage, stop at the diagnose prompt

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