Date: Fri, 28 Sep 2001 14:38:09 -0700 From: Kris Kennaway <kris@obsecurity.org> To: Sean Chittenden <sean@chittenden.org> Cc: Kris Kennaway <kris@obsecurity.org>, Alessandro de Manzano <ale@unixmania.net>, stable@FreeBSD.org Subject: Re: dirpref gives massive performance boost Message-ID: <20010928143809.A16067@xor.obsecurity.org> In-Reply-To: <20010928143016.H29974@rand.tgd.net>; from sean@chittenden.org on Fri, Sep 28, 2001 at 02:30:16PM -0700 References: <20010928141246.A15515@xor.obsecurity.org> <20010928232009.A29187@libero.sunshine.ale> <20010928142611.A15946@xor.obsecurity.org> <2001@=> <20010928143016.H29974@rand.tgd.net>
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--OXfL5xGRrasGEqWY Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Sep 28, 2001 at 02:30:16PM -0700, Sean Chittenden wrote: > > > On Fri, Sep 28, 2001 at 02:12:46PM -0700, Kris Kennaway wrote: > > >=20 > > > > Just a note to those who have updated to 4.4-STABLE that it's well > > > > worth doing a backup + newfs + restore on all your UFS volumes. The > > >=20 > > > does the "newfs" step is necessary or just recommended for optimum > > > performance gain ? > >=20 > > Well, you need to wipe the disk so that when you restore it can lay > > things out optimally from the start. >=20 > But turning on soft-updates should be sufficient to get these performance= =20 > boosts from this point on, correct? -sc I don't know if dirpref is tied to softupdates..I didnt think it was. You'll probably get some automatic benefit for new files depending on how full your disk is, but the algorithm can only lay things out in the remaining free space on the drive. Kris --OXfL5xGRrasGEqWY Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (FreeBSD) Comment: For info see http://www.gnupg.org iD8DBQE7tO3BWry0BWjoQKURAkxlAJ9ssQokda0xXcSUxSLX4oN1qDQxKQCeOBK5 sCdN4x6s1ymXq8QGgQTuDpQ= =i2EE -----END PGP SIGNATURE----- --OXfL5xGRrasGEqWY-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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