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

Are you running it with run-app?

http://grails.org/Deployment states:

"Grails should never be deployed using the grails run-app command as this sets Grails up in "development" mode which has additional overheads. "