How we halved our memory consumption in Rails with jemalloc

One of the earliest projects I was involved in at Valiant was investigating ways to optimise performance and memory consumption in our Rails web application. Although I had heard the age-old complaints about Rails applications being slow, bulky and prone to memory bloat, I had yet to come across any practical, easy-to-navigate solutions to these issues. Until we discovered jemalloc. In this blog p