Slides from my presentation at Lonestar Ruby Conference 2013 entitled "App Server Arena". This presentation examined four basic characteristics (configuration, mode of operation, use cases and performance) across four application servers: Passenger, Unicorn, Thin and Puma.
The actual graphs and numbers that I showed during the presentation aren't in the slides; they're in an Apple Numbers document that's available at the link below.
Please forgive any formatting errors; the presentation was built in Keynote, and apparently slideshare doesn't want Keynote documents, so I had to export it to PowerPoint format.
The accompanying source code for the application and a (very) detailed analysis can be found at GitHub: