Very Computer

> Hello, I have found that under Linux 2.2 the maximum number of files that
can
> be opened is 1024. I want to increase this limit as it is a bit
unrealistic
> for our network server (the application should be able to open up a few
> thousand sockets and maintain the connections).

> I believe I read somewhere that this was doable, but quite painful. Is
that
> true? Has anyone solved this problem another way?

> I was unsure if this should go to comp.os.linux.development.system or
here,
> so I just took a guess. :) Also, I could not find a FAQ for this ng at
> www.faq.org. If one exist, and covers this topic, please alert me.

> Regards, Dustin

> --

> http://members.telocity.com/~dpuryear
> Integrate Linux Solutions into Your Windows Network
> - http://www.prima-tech.com/integrate-linux

>As root you can set system resources limit, if you want increase number of
>opened file, just call setrlim, like fowlling:
>/****************************************************
>struct rlimit   rl;

>rl.rlim_cur = rl.rlim_max = 3000;
>setrlimit(RLIMIT_NOFILE, &rl);
>****************************************************/

> >As root you can set system resources limit, if you want increase number
of
> >opened file, just call setrlim, like fowlling:
> >/****************************************************
> >struct rlimit   rl;

> >rl.rlim_cur = rl.rlim_max = 3000;
> >setrlimit(RLIMIT_NOFILE, &rl);
> >****************************************************/

> I still have a problem that FD_SETSIZE is set to 1024 under Linux 2.2. I
found
> a document describing changes to /etc/security/limits.conf,
/etc/pam.d/login,
> and /proc/sys/fs/file-max and .../inode-max that allow me to open > 1024
> files. However, how do I get around the select() issue?

> Regards, Dustin

> --

> http://members.telocity.com/~dpuryear
> Integrate Linux Solutions into Your Windows Network
> - http://www.prima-tech.com/integrate-linux

>You can change /proc/sys/fs/file-max (sometimes also inode-max) to expand
>the system's limitation.
>Then use "ulimit -HSn [number]" to change current user's limitation(you must
>be a root).
>And you can change FD_SETSIZE in "/usr/include/bits/types.h" to get around
>the select() issue.