Date: Wed, 10 Jun 2009 17:56:42 -0400 From: Graham Todd <gtodd@bellanet.org> To: Kip Macy <kmacy@freebsd.org>, freebsd-fs@freebsd.org Subject: Re: prefetch change in ZFS Message-ID: <4A302C1A.4030803@bellanet.org> In-Reply-To: <3c1674c90906101437t5ff9fa72kcad59ff4afe4d1e3@mail.gmail.com> References: <3c1674c90906101437t5ff9fa72kcad59ff4afe4d1e3@mail.gmail.com>
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Kip Macy wrote: > Prefetch is still enabled by default on non-i386 systems with more > than 4GB. To unconditionally enable or disable, set > "vfs.zfs.prefetch_enable" in loader.conf. So is this a change of OID as well (i.e. to "vfs.zfs.prefetch_enable")? Here prefetch is enabled by default on a 2GB RAM 7.2-RELEASE system (ZFS version 6) by setting *vfs.zfs.prefetch_disable* to 0. ninga# sysctl vfs.zfs | grep fetch vfs.zfs.prefetch_disable: 0 cheers,
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