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Date:      Mon, 15 Jan 2001 23:27:31 +0100
From:      Roelof Osinga <roelof@nisser.com>
To:        questions@FreeBSD.ORG
Subject:   Re: increasing max openfiles
Message-ID:  <3A637953.F55908FB@nisser.com>
References:  <NEBBJPKMMLCLAGLGBDFAEECMDCAA.Rick@Tweakers.net>

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Rick Jansen wrote:
> 
> How do i compile my kernel with an increased limit of open files?
> I found FD_SETSIZE, but i don't know whether this is what i need, or how to
> use it. Probably "options FD_SETSIZE=x", but i don't know.
> 1024 openfiles isn't enough :/

Well, I've done the following adjustments in the NISSER kernel I'm
building:

maxusers        512

# bumping the undocumented feature:
options         NMBCLUSTERS=8192        # was 1024

# default and maximum segment sizes
options         MAXDSIZ="(256*1024*1024)"
options         DFLDSIZ="(128*1024*1024)"  # was also 256

and various others of course <g>. All in all, resulting in:

nl:/usr/X11R6# sysctl -a | grep maxfiles
kern.maxfiles: 16424
kern.maxfilesperproc: 16424

Would that do the trick? <g>

Roelof

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