Date: Tue, 19 Jan 2010 10:45:59 +0100 From: Ivan Voras <ivoras@freebsd.org> To: freebsd-hackers@freebsd.org Subject: Re: Setting "zfs_arc_max" value in FreeBSD 8. Message-ID: <hj3v0i$i2p$1@ger.gmane.org> In-Reply-To: <7f14551c1001190119x46c6b04dx2362cd1252f0d81@mail.gmail.com> References: <7f14551c1001190119x46c6b04dx2362cd1252f0d81@mail.gmail.com>
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On 01/19/10 10:19, Sherin George wrote: > Hello, > > I am trying to tune ZFS file system by setting "zfs_arc_max" value in > FreeBSD 8. > > In solaris, it is achieved like this > > ================================================= > For example, if an application needs 5 GBytes of memory on a system with > 36-GBytes of memory, you could set the arc maximum to 30 GBytes, > (0x780000000 or 32212254720 bytes). Set the zfs:zfs_arc_max parameter in the > /etc/system file: > > set zfs:zfs_arc_max = 0x780000000 > > or > > set zfs:zfs_arc_max = 32212254720 > ================================================= > > But, I couldn't find /etc/system file in FreeBSD. > > Could some one please guide me to correctly configure "zfs_arc_max" in > FreeBSD 8. You should probably start here: http://wiki.freebsd.org/ZFSTuningGuide and more generally, here: http://wiki.freebsd.org/ZFS
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