Mirror Speed: What Actually Matters When You're Pulling from a Repo at 3 AM I’ve spent more hours than I care to admit staring at a terminal, waiting for a git clone to finish. The progress bar crawls, the network indicator sits at a trickle, and I start questioning every DNS setting I’ve ever touched. Mirror speed is one of those topics that sounds simple—"just pick a faster mirror"—but in practice, it’s a tangle of protocol overhead, geographic routing, and filesystem cache behavior. Let...