On Thu, Apr 23, 2009 at 02:02:06PM +0200, Tobias Ulmer wrote:
> On Thu, Apr 23, 2009 at 03:27:42PM +0200, Thomas Pfaff wrote:
> > I'm getting horrible disk performance compared to Ubuntu on my system.
> >
> > I noticed this when extracting ports.tar.gz on the same machine with
> > different OSs (this is something I did a while back to check for
> > a possible hardware problem when OpenBSD crashed upon extracting
> > ports.tar.gz).
> >
> > OpenBSD (ffs):
> >
> > $ time tar -zxf ports.tar.gz 0m59.90s real 0m1.00s user
> > 0m6.95s system
> >
> > Ubuntu (ext3):
> >
> > $ time tar -zxf ports.tar.gz
> > real 0m18.440s
> > user 0m1.212s
> > sys 0m2.596s
> >
> > 1 minute on OpenBSD and 18.5 seconds on Ubuntu, doing the exact same
> > thing on the exact same hardware! Why the huge difference? Both are
> > default installations, except softdep is turned on.
> >
> > Thanks for any pointers or advice.
> >
> Try: time tar -zxf ports.tar.gz && sync
And include the output of mount and show the place where you are untarring.
-Otto
