On 09/14/2010 08:59 PM, Terry Michaels wrote:
> Does Ruby have real multi-threading, or is it just context switching?
> This is a rather important issue for me.

Maybe this is not relevant to your case, but it's also worth 
understanding the difference between concurrent and event driven 
systems, for example:

http://www.unlimitednovelty.com/2010/08/multithreaded-rails-is-generally-better.html