The URL Shortener System Design Lie: What Prep Guides Hand-Wave (And what production actually needs)

<p>Recently I've been reading about system design, and I stumbled upon one of the "easiest" and "most basic" interview questions in system design: "Design A URL Shortener"</p> <p>I saw the problem in <a href="https://bytebytego.com/courses/system-design-interview/design-a-url-shortener" rel="noopener noreferrer">Alex Xu's book</a>, <a href="https://systemdesign.one/url-shortening-system-design/" r

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