[Twisted-Python] Question about Descriptors and SelectReactor

Alec Matusis matusis at yahoo.com
Mon Apr 6 21:25:45 EDT 2009


> I would say a function of the operating system - or specifically
> ulimit on a *nix system.

I do not think this is correct, on linux: ulimit -n is the number of fds that can be written/read by a process, but the 1024 limit on select is actually hard-compiled into the kernel and can be changed only in the headers with kernel recompilation. 

> -----Original Message-----
> From: twisted-python-bounces at twistedmatrix.com [mailto:twisted-python-
> bounces at twistedmatrix.com] On Behalf Of Drew Smathers
> Sent: Monday, April 06, 2009 8:40 AM
> To: Twisted general discussion
> Subject: Re: [Twisted-Python] Question about Descriptors and
> SelectReactor
> 
> On Sat, Apr 4, 2009 at 6:04 PM, Andrew Francis <andrewfr_ice at yahoo.com>
> wrote:
> >
> > Hi:
> >
> > Perhaps this question has been asked before but is there a limit to
> the number of descriptors the SelectReactor can handle? Is this a
> function of the operating system?
> >
> 
> I would say a function of the operating system - or specifically
> ulimit on a *nix system.
> 
> -Drew
> 
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