Date: Fri, 13 Jan 2006 15:44:51 -0500 From: Kris Kennaway <kris@obsecurity.org> To: fbsd_user <fbsd_user@a1poweruser.com> Cc: Crispy Beef <crispy.beef@ntlworld.com>, freebsd-questions@freebsd.org Subject: Re: 4.6-RELEASE to 6.0-RELEASE... Message-ID: <20060113204450.GF47416@xor.obsecurity.org> In-Reply-To: <MIEPLLIBMLEEABPDBIEGAEFMHLAA.fbsd_user@a1poweruser.com> References: <43C540A1.7060805@ntlworld.com> <MIEPLLIBMLEEABPDBIEGAEFMHLAA.fbsd_user@a1poweruser.com>
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--7mxbaLlpDEyR1+x6 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Wed, Jan 11, 2006 at 02:08:11PM -0500, fbsd_user wrote: > There is a new and faster file system which is introduced in > release-5.4. Performance benefits weren't a goal of UFS2. If your disk hardware is fast enough (i.e. not crappy ATA hardware) you might see a small performance boost, as I did in my tests. The cause of this isn't well-understood, i.e. it seems to be a side-effect of something else. The cost is that UFS2 performs more disk I/O than UFS1, which means that if your disk hardware is already saturated (see: aforementioned crappy ATA hardware), it may actually be slower. Kris --7mxbaLlpDEyR1+x6 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (FreeBSD) iD8DBQFDyBFCWry0BWjoQKURAoCMAKDTDKAIUFMdotMZaN2rXPqTWb/I8QCfbnEe QuGk68LZYx0wVOIjBz7uiuk= =qBL1 -----END PGP SIGNATURE----- --7mxbaLlpDEyR1+x6--
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