An introduction to the gladiators My talk and research looked at four Ruby application servers: Passenger, one of the easiest to configure and very common Thin, an EventMachine-based server Unicorn, a very straight-forward app server for fast clients and responses Puma, a truly concurrent application server The application servers in question here were compared in several categories: Mode of Opera
![App Server Arena: Part 1, A Comparison of Popular Ruby Application Servers](https://cdn-ak-scissors.b.st-hatena.com/image/square/0e74edb67014f8830e8a34ae6dd9a00226cfe2d3/height=288;version=1;width=512/https%3A%2F%2Fblog.engineyard.com%2Fhubfs%2Fapp-server-arena2.webp%23keepProtocol)