Date: Tue, 19 Aug 2003 08:23:21 -0500 From: "Jack L. Stone" <jackstone@sage-one.net> To: Alex de Kruijff <freebsd@akruijff.dds.nl>, Varshavchick Alexander <alex@metrocom.ru> Cc: freebsd-questions@freebsd.org Subject: Re: nmbclusters and nmbufs Message-ID: <3.0.5.32.20030819082321.0130b688@sage-one.net> In-Reply-To: <20030819124642.GG13873@dds.nl> References: <Pine.GSO.4.33.0308191153290.9451-100000@apache.metrocom.ru> <Pine.GSO.4.33.0308191153290.9451-100000@apache.metrocom.ru>
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At 02:46 PM 8.19.2003 +0200, Alex de Kruijff wrote: >On Tue, Aug 19, 2003 at 11:53:57AM +0400, Varshavchick Alexander wrote: >> Hi, >> >> Can anybody advise me please if I want to increase nmbclusters option in >> kernel, can I just type >> sysctl kern.ipc.nmbclusters="16384" >> without rebooting the server, or is the only way to set the NMBCLUSTERS >> option in kernel, install the new kernel and reboot? > >These variable are normaly readonly, so I think you do need to reboot. > >> >> And secondly, also I need to increase nmbufs kernel option, but there >> seems to be no such option in LINT, what should I tweak? >> sysctl kern.ipc.nmbufs="32768" without rebooting >> or >> kern.ipc.nmbufs="32768" in /boot/loader.conf and reboot? > >It does exist: options NMBUFS=4096. > >You seen to be low on a lot of resources. It could be an idee to set >``maxusers'' to a higher setting. These days a lot of varibles base >there value on maxusers. > >-- >Alex > If using 4.5++, then set the "maxusers=0" in the kernel and the system will calculate its own needs dynamically..... up to 4.4, maxusers were a "32" default in the generic kernel. Best regards, Jack L. Stone, Administrator SageOne Net http://www.sage-one.net jackstone@sage-one.net
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