On Wed, Dec 21, 2011 at 1:01 PM, rubix Rubix <aggouni2002 / yahoo.fr> wrote: > what I am saying is that, ruby does not implement real thread, it means > that if a thread is waiting for a response of a distant server, ruby > can't use an other thread to some other work which is a wait of time This is just plain wrong - even in MRI and even in 1.8. Please read again what people responded. Cheers robert -- remember.guy do |as, often| as.you_can - without end http://blog.rubybestpractices.com/