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Date:      Tue, 22 Jul 2008 19:13:09 +0200
From:      Ferdinand Goldmann <ferdinand.goldmann@jku.at>
To:        freebsd-net@freebsd.org
Subject:   FD_SETSIZE (too many open file descriptors) + BIND
Message-ID:  <48861525.5060104@jku.at>
In-Reply-To: <FA21BAC6-8A16-41A7-A7E5-7E4600359702@bsdunix.ch>
References:  <487C9457.5080609@bsdunix.ch> <m21w1vggnt.wl%Jinmei_Tatuya@isc.org>	<2A7CBD67-7532-4B13-82DD-A6EF5DEAA6BD@bsdunix.ch>	<m2vdz6g8yt.wl%Jinmei_Tatuya@isc.org> <FA21BAC6-8A16-41A7-A7E5-7E4600359702@bsdunix.ch>

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Hi there,

I just upgraded a FreeBSD 6.x machine to FreeBSD 6.3-STABLE, and now I'm 
seeing this same problem which has already been reported in different postings:

named[51769]: socket: too many open file descriptors
last message repeated 147 times

Obvously it is hitting the 1024 limit:
# sockstat |grep -c named
979

I tried recompiling BIND with -DFD_SETSIZE=4096 by adding it to the CFLAGS in
/usr/src/usr.sbin/named/Makefile, doing a make cleandepend; make depend; make 
named; and installing the new named binary in /usr/sbin. So far, the annoying 
limit still seems to be there. Am I missing something?

So, in short: How can one raise the @@#$!## limit of FD_SETSIZE in FreeBSD? Is 
it still necessary to recompile the kernel, too, as some ancient postings I 
found suggest?

TIA & regards,
Ferdinand



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