> You create threads and fork a process for every single item to process.
>   This has some consequences:
> 
> - your threads will eat all the entries in the queue very quickly
> - you will get a large number of processes immediately
> 
> In this setup you do neither need threads nor a queue.  Basically you
> just need to iterate the input list and fork off a process for every
> item you meet.  However, then you do not have any control over
> concurrency and your CPU will suffer.  With the setup you presented you
> should at least have threads wait for their processes to return so a
> single thread does not fork off more than one process at a time.

sure, you're right, I forget to write it here, but in my own code there 
is Process.wait after each fork :)

-- 
Posted via http://www.ruby-forum.com/.