This article was adapted from my Rails World talk “Rails and the Ruby Garbage Collector: How to Speed Up Your Rails App”. Ruby’s garbage collector is designed to be adaptable, scaling from short Ruby scripts to running apps that serve millions of requests per second. While it’s designed to be adaptable, it may not work optimally for every use case. For this reason, Ruby’s garbage collector supports many (19 at the time of writing) parameters that can be used to tune it. However, the use of these...