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Module 02 · From ScratchRedis

Keys That Die (Expiry)

Keys That Die (Expiry)
Keys That Die (Expiry) · Open board

The depth behind one paragraph of Build Your Own Redis - From Scratch: what actually happens the instant a key’s time runs out.

Before you start. Redis: One Thread, Many Clients set the rule this whole lesson bends around: Redis answers every request through one worker, and that worker can never be made to wait on anything slow. The only maths you need here is a rate - so many things per second - and a fraction of a small handful.

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