"Pieckiel, Kevin A" wrote:
>
> How do you increase the fd limit? I know that on a login shell, I can
> use ulimit to change certain limits for the current login and any child
> processes, but how on earth do you change that for a daemon that runs at
> startup and in the background?
The parameter beyond some limit needs to be changed in the kernel. This
change is OS specific but e.g. in Solaris it does not require
rebuilding. In FreeBSD and Linux it probably still does. You will need
to read up on kernel tuning parameters.
The issue re. 256 is also OS specific and depends on the maximum size of
the applicable data structures. I was told that 256 is no longer a limit
under Linux. It is definitely not a limitation under FreeBSD and Solaris
(2.6 or later). There may be limitations within e.g. qmail-[lr]spawn
about how many children it can manage. I am not working with that code
right know so I don't know. Anyone?
>
> Kevin
>
> -----Original Message-----
> From: David Villeger [mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, August 03, 1999 4:12 PM
> To: [EMAIL PROTECTED]
> Subject: Re: mail volume
>
> So for a reasonable concurrencyremote (>30), you will need to increase
> the
> fd limit. But even if you do, you *can't* bring concurrencyremote over
> 256.
>
> David.
> ______________________________________
> David Villeger
> (212) 972 2030 x34
>
> http://www.CheetahMail.com
> The Internet Email Publishing Solution
--
Daemeon Reiydelle
Systems Engineer, Anthropomorphics Inc.
[EMAIL PROTECTED]
