17h ago · 9 min read · Every time you open Instagram and your feed loads instantly, caching is working behind the scenes. Every time Google returns results in 200ms across billions of pages, caching is involved. Every time
Join discussion5d ago · 6 min read · Modern storage systems are built around a small set of fundamental principles: optimize for sequential I/O, minimize in-place mutation, and design for recoverability from failure. Systems such as Bitc
Join discussionMar 18 · 9 min read · Development teams rarely struggle with having too few options. Much more often, they face the opposite problem: there are too many. Today, almost every part of a system can be built in multiple ways.
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Mar 16 · 5 min read · Modern operating systems often feel like black boxes. We interact with processes, files, and network sockets without thinking about what actually happens underneath. To better understand how low-level
Join discussionMar 9 · 5 min read · Our React production build was 68MB.Not a typo. Sixty. Eight. MB. Deployments were slow. Uploads were painful. And the easy excuse was:“Big app. Happens.” Nah. So I opened the bundle and started pulli
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Mar 8 · 13 min read · When a user opens TikTok, the app instantly delivers a personalized feed. Behind that simple swipe lies a distributed system serving millions of requests per second. Consider the numbers. TikTok has o
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