Ruby on Rails is definitely the cool new kid at school right now. Actually, RoR is like the suave, handsome quarterback type who the girls swoon over and the guys want to be until everyone finds out he lives in a rotting shed in the sticks with a goat on a leash in the yard and dad passed out in a broken rocking chair on a makeshift porch. What, you didn’t have that guy in your high school? :) [Hey, I’m not judging him – the high school students are. I’m sure he’s very nice.]
I was enamored with Ruby on Rails until I dug into it a bit. No doubt it’s great for certain types of sites but it doesn’t have the general purpose appeal or proven widespread scalability of ASP.NET or PHP. I think the bigger contribution Rails is making is inspiring new scaffolding and code generation projects for ASP.NET and PHP.
Anyway, this post is primarily a bookmark for myself so I remember where to find this article on the scalability problems they’ve had at Twitter running RoR: