From owner-freebsd-questions Sun Oct 22 15:14: 4 2000 Delivered-To: freebsd-questions@freebsd.org Received: from guru.mired.org (okc-27-149-77.mmcable.com [24.27.149.77]) by hub.freebsd.org (Postfix) with SMTP id 2895237B479 for ; Sun, 22 Oct 2000 15:14:02 -0700 (PDT) Received: (qmail 41832 invoked by uid 100); 22 Oct 2000 22:14:00 -0000 From: Mike Meyer MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <14835.26280.803484.793146@guru.mired.org> Date: Sun, 22 Oct 2000 17:14:00 -0500 (CDT) To: Arcady Genkin Cc: questions@freebsd.org Subject: Re: Too many open files in system In-Reply-To: <110118888@toto.iv> X-Mailer: VM 6.75 under 21.1 (patch 10) "Capitol Reef" XEmacs Lucid X-face: "5Mnwy%?j>IIV\)A=):rjWL~NB2aH[}Yq8Z=u~vJ`"(,&SiLvbbz2W`;h9L,Yg`+vb1>RG% *h+%X^n0EZd>TM8_IB;a8F?(Fb"lw'IgCoyM.[Lg#r\ Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Arcady Genkin writes: > > Looking at the sysctl man page, you'll find plenty of options to > > tweak. I see a kern.maxfiles option, though I'm not exactly sure what > > it does. Sounds like it may be worth looking into. > This option is not explained in the manpage, so I looked at > sys/sysctl.h file and it seems that this might be the max number of > open files on the system. However, this number is set to 552 right > now, whereas `lsof' reports 809 open files. > ,---- > | soup:/usr/include/sys# sysctl kern.maxfiles > | kern.maxfiles: 552 > | soup:/usr/include/sys# lsof | wc -l > | 809 > `---- > Am I misunderstanding something? Any further ideas? I don't have the lsof man page installed, but it may be counting every occurence of a shared file descriptor, whereas kern.maxfiles counts the actual open file descriptors. Try checking kern.openfiles.