Merb = Mongrel + Erb - ZHlogMerb == Mongrel + Erb. It is a super lightwieght ruby app server that maps urls to simple classes that can render erb templates...If you have a few pages of your dynamic site that have to be fast and you maybe don’t need the full power of rails then Merb can serve dynamic templated requests at 700req/sec with no database access. Trac Repository Bugs and Feature requests
