Date: Mon, 27 Oct 2003 15:02:05 +0100 (CET) From: Konrad Heuer <kheuer2@gwdg.de> To: "Woolworth,Derrick" <DWOOLWORTH@CERNER.COM> Cc: "'freebsd-questions@freebsd.org'" <freebsd-questions@freebsd.org> Subject: Re: Open Files Message-ID: <20031027150027.O91426@gwdu60.gwdg.de> In-Reply-To: <F7C5516942F9DE4099D389C27E43C11F0C856594@mailwhq3.cerner.com> References: <F7C5516942F9DE4099D389C27E43C11F0C856594@mailwhq3.cerner.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On Mon, 27 Oct 2003, Woolworth,Derrick wrote: > I am having difficulty with one system - FreeBSD 4.8 > > After a couple of days, the system continually reports that there are too > many files open. At that time I cannot ssh into the system or ftp, etc. > obviously, the kern.maxfiles is too low. > > However, I have continually increased the number of max files - actually > both: > > kern.maxfiles = 65535 > kern.maxfilesperproc = 65535 > > The system is running 141 processes on average, which isn't terrible in my > opinion. Most of these are Apache 1.3.27, MySQL 4.1.0-alpha, Courier mail > system, and a couple of applications my firm has written ourselves. > > The question is really, is there a way to examine how many files are open on > a per process basis? I know we can monitor the number of open files with > pstat -T, but this doesn't help us troubleshoot which application is > responsible for this large number of open files. > > The processes that we are building are daemons that are pre-forked - none > seem to be crashing, and we've checked the open/close calls as closely as > possible. > > Also, does anyone know of a bug in MySQL or mod_php4 (4.3.4.r1) or Courier > 0.43.0 that would cause files to be opened and not closed? I'd suggest lsof from /usr/ports/sysutils/lsof which listens all open files in the system. Regards Konrad Konrad Heuer (kheuer2@gwdg.de) ____ ___ _______ GWDG / __/______ ___ / _ )/ __/ _ \ Am Fassberg / _// __/ -_) -_) _ |\ \/ // / 37077 Goettingen /_/ /_/ \__/\__/____/___/____/ Germany
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20031027150027.O91426>