Re: Twisted an several CPUs

2005-05-20 Thread Michael Sparks
Paul Rubin wrote: > Jp Calderone <[EMAIL PROTECTED]> writes: >> Distributing load across multiple machines scales better than >> distributing it over multiple CPUs in a single machine. If you have >> serious scalability requirements, SMP is a minor step in the wrong >> direction (unless you're

Re: Twisted an several CPUs

2005-05-19 Thread Jp Calderone
On 19 May 2005 17:01:11 -0700, Paul Rubin <"http://phr.cx"@nospam.invalid> wrote: >Jp Calderone <[EMAIL PROTECTED]> writes: >> Distributing load across multiple machines scales better than >> distributing it over multiple CPUs in a single machine. If you have >> serious scalability requirements

Re: Twisted an several CPUs

2005-05-19 Thread Paul Rubin
Jp Calderone <[EMAIL PROTECTED]> writes: > Distributing load across multiple machines scales better than > distributing it over multiple CPUs in a single machine. If you have > serious scalability requirements, SMP is a minor step in the wrong > direction (unless you're talking about something l

Re: Twisted an several CPUs

2005-05-19 Thread Mike Meyer
Jp Calderone <[EMAIL PROTECTED]> writes: >>Has anyone experience high load and twisted? > Distributing load across multiple machines scales better than distributing > it over multiple CPUs in a single machine. If you have serious scalability > requirements, SMP is a minor step in the wrong di

Re: Twisted an several CPUs

2005-05-19 Thread Jp Calderone
On Thu, 19 May 2005 17:22:31 +0200, Thomas Guettler <[EMAIL PROTECTED]> wrote: >Hi, > >Out of sheer curiosity: > >Does Twisted scale if the server has several CPUs? > No more than any other single-process Python application (no less, either). Unless you run multiple processes... >As far as I

Twisted an several CPUs

2005-05-19 Thread Thomas Guettler
Hi, Out of sheer curiosity: Does Twisted scale if the server has several CPUs? As far as I know twisted uses one interpreter. This means a prefork server modul might be better to server database driven web-apps. Has anyone experience high load and twisted? Thomas -- Thomas Güttler, http://w