Journaling UFS with gjournal.
Pawel Jakub Dawidek
pjd at FreeBSD.org
Tue Jun 20 20:53:12 UTC 2006
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:
+> > Copying one large file:
+> > UFS: 8s
+> > UFS+SU: 8s
+> > gjournal(1): 16s
+> > gjournal(2): 14s
+> This is very very interesting work!
+> I am definitely going to test this.
+> 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).
Pawel Jakub Dawidek http://www.wheel.pl
pjd at FreeBSD.org http://www.FreeBSD.org
FreeBSD committer Am I Evil? Yes, I Am!
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