Date: Wed, 9 Jul 2003 16:21:20 -0700 From: Sean Chittenden <sean@chittenden.org> To: questions@FreeBSD.org Subject: Re: Disk cache size via sh? Message-ID: <20030709232120.GB94854@perrin.int.nxad.com> In-Reply-To: <20030709223024.GA94854@perrin.int.nxad.com> References: <20030709223024.GA94854@perrin.int.nxad.com>
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> Is the following the correct way to figure out the disk cache size? > > echo $((`sysctl -n vm.stats.vm.v_page_count` - \ > `sysctl -n vm.stats.vm.v_free_reserved` - \ > `sysctl -n vm.stats.vm.v_free_target`)) > > I can't tell if there's a limit in kern/vfs_cache.c though I couldn't > find anything worth while. More correctly, can the FS cache up to the entire size listed in vfs.maxbufspace (actually vfs.hibufspace) bytes or is there a limit to how much FS operations can use of the vfs cache? -sc -- Sean Chittenden
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