Date: Tue, 20 Jun 2006 22:50:22 +0200 From: Pawel Jakub Dawidek <pjd@FreeBSD.org> To: Phil Regnauld <regnauld@starbsd.org> Cc: freebsd-fs@FreeBSD.org, freebsd-current@FreeBSD.org, freebsd-geom@FreeBSD.org Subject: Re: Journaling UFS with gjournal. Message-ID: <20060620205022.GB8007@garage.freebsd.pl> In-Reply-To: <20060620102910.GG27055@tetard.starbsd.org> References: <20060619131101.GD1130@garage.freebsd.pl> <20060620102910.GG27055@tetard.starbsd.org>
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--qlTNgmc+xy1dBmNv Content-Type: text/plain; charset=iso-8859-2 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Jun 20, 2006 at 12:29:10PM +0200, Phil Regnauld wrote: +> On Mon, Jun 19, 2006 at 03:11:01PM +0200, Pawel Jakub Dawidek wrote: +> >=20 +> > Copying one large file: +> > UFS: 8s +> > UFS+SU: 8s +> > gjournal(1): 16s +> > gjournal(2): 14s +>=20 +> This is very very interesting work! +>=20 +> I am definitely going to test this. +>=20 +> I know this is too early to ask considering the optimizations +> that can be done, but do you have any idea how this would perform +> compared to ReiserFS on similar operations as the ones you +> benchmarked ? No idea. I think ReiserFS is using only metadata journaling, but I don't know for sure. +> PS: is it me or is the patch missing a gjournal command, as invoked +> in your examples ? It is you:) gjournal(8) is implemented as shared library for geom(8) command, just like gconcat(8), gstripe(8), gmirror(8), graid3(8), geli(8), gnop(8), glabel(8) and gshsec(8). --=20 Pawel Jakub Dawidek http://www.wheel.pl pjd@FreeBSD.org http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am! --qlTNgmc+xy1dBmNv Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (FreeBSD) iD8DBQFEmF+OForvXbEpPzQRAqUeAKCN+3d/HrYXz731kPvkf39DX9NX9ACeOwI2 Dc2MSZ4STzuYpZYc9lrLM50= =LvSB -----END PGP SIGNATURE----- --qlTNgmc+xy1dBmNv--
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