Check these guys for example http://yuilop.com/intl/lead-server-core-developer-javaerlang/ http://yuilop.com/intl/lead-server-core-developer-javaerlang... . Loo

Check these guys for example http://yuilop.com/intl/lead-server-core-developer-javaerlang/ http://yuilop.com/intl/lead-server-core-developer-javaerlang... . Look at the challenges they have. These are well known classic problems that generally require mutable lookup tables among other things. Doing it in erlang "to be executed as fast as possible" is crazy.