Is performance of Grails 2.0 really that awfully low?

Question

I\'m somewhat newbie for WEB development based on JVM stack, but future project will require specifically some JVM-based WEB engine. So I started looking on some ground to make

Answer 1

in which environment did you start the app? prod? dev?

do you use scaffolding?

i've tried it on my machine (core i7-2600k). a login page with 4 input fields, dynamic layouts and some other things. i've got 525 requests per second in the slower dev environment.