Blog /Tag
Apr 01, 2026
Running everything on one machine is simple until it is slow. The first real scaling move is separation: give each component its own server so each can fail and scale independently.
Mar 31, 2026
Every system needs a database. The choice between SQL and NoSQL depends on data shape, consistency needs, and scale patterns. We break down both families and give a framework for deciding.
Mar 31, 2026
Backend systems are complex, with components acting at different layers. We start simple: one machine running everything. Understanding this baseline is the foundation for everything that follows.
Mar 25, 2026
A high-level walkthrough of the architecture behind a hotel reservation system: the read/write split, concurrency traps, and why it's never just CRUD.