Journaling UFS with gjournal.

Pawel Jakub Dawidek pjd at
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             
pjd at                 
FreeBSD committer                         Am I Evil? Yes, I Am!
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