Messages in this thread | | | Date | Sun, 27 Apr 1997 20:57:22 +0100 | From | David Williams <> | Subject | Re: thousands of threads & kernel continuations |
| |
In message <Pine.HPP.3.94.970426174342.20756A-100000@emmy.smith.edu>, Michael Callahan <mjc@stelias.com> writes > >I agree with what Alan, David and others have said about 1000s of threads >being the wrong answer to the question--essentially no matter what the >question is. (This is assuming you don't have a machine with 1000s of >CPUs!) > Exactly - If you only have 5 CPUs you can only ever have 5 threads actively run on CPUs at the same time. Perhaps a few more to handle disk I/O, one if you use Kernel Asyncchronous I/O and a few to handle network actively, Informix RBBMS recommond one per 200-300 users i.e. clients.
Why have more??
-- David Williams
| |