Courses
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Structured paths built on the same idea as everything else here: see the system run, don't just read about it. More courses are on the way.
Load balancers, caches, queues, databases that shard, and the trade-offs behind every choice. No memorized buzzwords: each lesson builds a system up from one box to planet-scale and shows what breaks at every step. Free while in early access.
scalingcachingdatabasesqueuestrade-offs12 lessons · intermediate
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DSA in depth, debugging like a senior, and databases from the inside are being written now. The blog gets the first chapters.