❶ Author of How to Open Source (.dev). A book to take you from coder to contributor. ❷ Creator of CodeTriage, a free service helping developers contribute to open source. ❸ Core committer to ruby/ruby. ❹ Married to Ruby, literally. Database load can be a silent performance killer. I’ve been optimizing the query performance of a web app I run designed to get people involved in open source, but was