https://cloudmato.com/tags/data-structures/Recent content in Data-Structures on cloudmato.comHugo -- gohugo.ioencloudmato.comcloudmato.comThu, 25 Jun 2026 11:33:38 +0530https://cloudmato.com/posts/build-redis-from-scratch-data-structures-system-design/Thu, 25 Jun 2026 11:33:38 +0530cloudmato.comhttps://cloudmato.com/posts/build-redis-from-scratch-data-structures-system-design/<p>Redis is one of those rare pieces of software where the source code is short enough to actually read and deep enough to teach you something new every time. I&rsquo;ve spent a good amount of time going through the actual Redis source — and what strikes me every time is how deliberately every design choice was made. Nothing is accidental.</p> <p>So let&rsquo;s actually design one from the ground up — not a toy, but an architecture that mirrors what Redis actually does. Data structures, event loop, protocol, expiry, persistence. All of it.</p>