Date: Wed, 30 Jun 2004 09:45:31 -0400 From: Bill Moran <wmoran@potentialtech.com> To: "Steve Bertrand" <iaccounts@ibctech.ca> Cc: freebsd-questions@freebsd.org Subject: Re: kern.ipc.nmbclusters Message-ID: <20040630094531.59de248a.wmoran@potentialtech.com> In-Reply-To: <4860.209.167.16.15.1088601951.squirrel@209.167.16.15> References: <4860.209.167.16.15.1088601951.squirrel@209.167.16.15>
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"Steve Bertrand" <iaccounts@ibctech.ca> wrote: > I have a machine that is rebooting with the following error: > > "All mbuf clusters exhausted, please see tuning(7)." > > Which through google and man tuning I was able to figure out that indeed, > mbufs were exhausted. So I tried to set kern.ipc.nmbclusters=4096 (which > should cover the load of the server), but found out after it is not a > run-time tunable parameter. > > I searched google, and gathered that I should put this setting in > /boot/loader.conf. > > This is contradictory of me usually putting kernel tweaks in > /etc/sysctl.conf. > > >From your experience, where is the best place to load this variable from, > why is it a better location, and what will happen if I don't load it from > the proper place? You have to put it in loader.conf because that value is set _very_ early in the boot process (before sysctl.conf is used) and can not be changed later. You can also put this value in your kernel config and recompile your kernel. -- Bill Moran Potential Technologies http://www.potentialtech.com
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