Date: Wed, 10 Jun 2009 15:42:33 -0700 From: Kip Macy <kmacy@freebsd.org> To: Graham Todd <gtodd@bellanet.org> Cc: freebsd-fs@freebsd.org Subject: Re: prefetch change in ZFS Message-ID: <3c1674c90906101542m13c93aedx89c6b03eb188c033@mail.gmail.com> In-Reply-To: <4A302C1A.4030803@bellanet.org> References: <3c1674c90906101437t5ff9fa72kcad59ff4afe4d1e3@mail.gmail.com> <4A302C1A.4030803@bellanet.org>
next in thread | previous in thread | raw e-mail | index | archive | help
This is on HEAD until MFC.
-Kip
On Wed, Jun 10, 2009 at 2:56 PM, Graham Todd<gtodd@bellanet.org> wrote:
> 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,
>
--
When bad men combine, the good must associate; else they will fall one
by one, an unpitied sacrifice in a contemptible struggle.
Edmund Burke
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?3c1674c90906101542m13c93aedx89c6b03eb188c033>