Date: Tue, 19 Jan 2010 09:49:16 +0000 From: krad <kraduk@googlemail.com> To: Ivan Voras <ivoras@freebsd.org> Cc: freebsd-hackers@freebsd.org Subject: Re: Setting "zfs_arc_max" value in FreeBSD 8. Message-ID: <d36406631001190149o67dd2c3atef450c00579f223a@mail.gmail.com> In-Reply-To: <hj3v0i$i2p$1@ger.gmane.org> References: <7f14551c1001190119x46c6b04dx2362cd1252f0d81@mail.gmail.com> <hj3v0i$i2p$1@ger.gmane.org>
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2010/1/19 Ivan Voras <ivoras@freebsd.org> > 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 > > > > _______________________________________________ > freebsd-hackers@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org" > sysctl vfs.zfs.arc_max=XXXX add it to /etc/sysctl.conf to make persistent
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