AdamW's Debugging Adventures: Inadvertent Extreme Optimization

It's time for that rarest of events: a blog post! And it's another debugging adventure. Settle in, folks! Recently I got interested in improving the time it takes to do a full compose of Fedora. This is when we start from just the packages and a few other inputs (basically image recipes and package groups), and produce a set of repositories and boot trees and images and all that stuff. For a long…