tl;dr:“I worked on this system for about two and a half years, from the very first commit through two open enrollment periods. The API system served about 5 million requests on a normal weekday, with < 10 millisecond average request latency and a 95th percentile latency of less than 100 milliseconds.”
tl;dr:“My favorite feature of git is one that not enough people know about: worktrees. Worktrees allow you to store branches of your repository in separate directories. This means you can switch branches by changing directory, instead of switching between branches in the same directory with git checkout or git switch. I've never seen anybody describe using worktrees quite the way I do, so I thought I'd write out how I like to work with them.”