From owner-freebsd-questions  Fri Jul 25 03:27:03 1997
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Date: Fri, 25 Jul 1997 12:22:53 +0200
To: Igor Mkrtoumian <imkrtoum@aua.am>,
        "'freebsd-questions@FreeBSD.org'" <freebsd-questions@FreeBSD.ORG>
From: Michael Beckmann <beckmann@nacamar.net>
Subject: Re: too many files open
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At 10:35 25.07.97 +0400, Igor Mkrtoumian wrote:
>Our local network e-mail is serviced by Mercury. SMTP gateway sends mail
to FeeBSD 2.1.0.
>Lastly very often we receive messages like this:
>451 queuename: Cannot create "qfJAA11154" in "/var/spool/mqueue" 
>(euid=0): Too many open files in system
>We are shutting down FreeBSD and rebooting it again to overcome the problem.
>Can anybody help me please with the advice how to solve the problem
permanently.

Try the sysctl program. Use it to display and set the parameters:

kern.maxfiles: 4136
kern.maxfilesperproc: 4136

Depending on what these parameters are set to, you may have to increase
them. You may also want to build a kernel with a higher value for MAXUSERS.

Michael