Date: Sun, 21 Aug 2005 23:31:01 +1000 From: Sam Lawrance <boris@brooknet.com.au> To: Divacky Roman <xdivac02@stud.fit.vutbr.cz> Cc: hackers@freebsd.org Subject: Re: number of simultanously opened files Message-ID: <1124631061.38048.14.camel@dirk.no.domain> In-Reply-To: <20050821094849.GA79907@stud.fit.vutbr.cz> References: <20050821094849.GA79907@stud.fit.vutbr.cz>
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On Sun, 2005-08-21 at 11:48 +0200, Divacky Roman wrote:
> hi
>
> I wrote this:
> witten /tmp# cat x.c
> #include <stdio.h>
> #include <fcntl.h>
> #include <sys/limits.h>
>
> #define MAX 100000
> main()
> {
> int i = MAX;
>
> for (; i>0; i--) {
> if (open("/dev/null", O_RDONLY) == -1) {
> printf("FUCK: %i\n", MAX-i);
> printf("FUCK: %i\n", i);
> break;
> }
> }
> getchar();
> }
>
> set:
>
> witten ~# sysctl kern.maxfiles=100000
> kern.maxfiles: 100000 -> 100000
> witten ~# sysctl kern.maxfilesperproc=100000
> kern.maxfilesperproc: 100000 -> 100000
> witten ~#
>
> but I still cannot open more than 7319 files simultaneously. pls can you tell
> me why?
Possibly because maximum open files is a per-process value that is set
at process creation, and also inherited, so you won't see the change in
existing processes.
Try setting it before boot, or maybe restarting a login on a vty might
work.
Cheers
Sam
Sam Lawrance lawrance@FreeBSD.org
ph +61 0425 228 579 boris@brooknet.com.au
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