AW: Py2.7/FreeBSD: maximum number of open files

From	Tobias Oberstein <tobias.oberstein@tavendo.de>
Date	2011-11-14 09:03 -0800
Subject	AW: Py2.7/FreeBSD: maximum number of open files
References	<634914A010D0B943A035D226786325D42D0C264772@EXVMBX020-12.exch020.serverdata.net> <j9rfda$mfs$1@dough.gmane.org> <634914A010D0B943A035D226786325D42D0C2647C8@EXVMBX020-12.exch020.serverdata.net> <4EC1470B.90403@cheimes.de>
Newsgroups	comp.lang.python
Message-ID	<mailman.2705.1321290230.27778.python-list@python.org> (permalink)

Show all headers | View raw

> > I need 50k sockets + 100 files.
> >
> > Thus, this is even more strange: the Python (a Twisted service) will
> > happily accept 50k sockets, but as soon as you do open() a file, it'll bail out.
> 
> A limit of 32k smells like a overflow in a signed int. Perhaps your system is
> able and configured to handle more than 32k FDs but you hit an artificial limit
> because some C code or API has a overflow. This seems to be a known bug in
> FreeBSD http://lists.freebsd.org/pipermail/freebsd-bugs/2010-
> July/040689.html

This is unbelievable.

I've just tested: the bug (in libc) is still there on FreeBSD 8.2 p3 ... both on i386
_and_ amd64.

Now I'm f***d;(

A last chance: is it possible to compile Python for not using libc fopen(),
but the Posix open()?

Thanks anyway for this hint!

Back to comp.lang.python | Previous | Next — Next in thread | Find similar | Unroll thread

Thread

AW: Py2.7/FreeBSD: maximum number of open files Tobias Oberstein <tobias.oberstein@tavendo.de> - 2011-11-14 09:03 -0800
  Re: Py2.7/FreeBSD: maximum number of open files Jon Clements <joncle@googlemail.com> - 2011-11-14 09:33 -0800
    AW: Py2.7/FreeBSD: maximum number of open files Tobias Oberstein <tobias.oberstein@tavendo.de> - 2011-11-14 09:46 -0800
    Re: Py2.7/FreeBSD: maximum number of open files Christian Heimes <lists@cheimes.de> - 2011-11-14 19:03 +0100
    AW: Py2.7/FreeBSD: maximum number of open files Tobias Oberstein <tobias.oberstein@tavendo.de> - 2011-11-14 10:28 -0800
    Re: Py2.7/FreeBSD: maximum number of open files Christian Heimes <lists@cheimes.de> - 2011-11-14 20:34 +0100
      Re: Py2.7/FreeBSD: maximum number of open files Chris Torek <nospam@torek.net> - 2011-11-30 19:29 +0000

csiph-web