BTW this is great paper about SoftUpdates and journaling http://www.usenix.org/publications/library/proceedings/usenix2000/general/full_papers/seltzer/seltzer_html/index.html which I found as link in old interview with Theo http://kerneltrap.org/node/6 I know now more about meta-data and similar stuff.
On Wed, Feb 24, 2010 at 1:20 AM, Noah McNallie <n...@n0ah.org> wrote: > Hey guys. Noah here. I'd like to use openbsd on an older machine i have. > I've had it on there before and never tested something that i've been > testing on various operating systems lately. That's how well they do while > under disk io load, concurrently. > > An example would be to tar -zxvf a large tarball and in another terminal, > try to run a simple command. such as 'uname' or 'ls' or what have you. To > test responsiveness. It may not be a very good test but it's a everyday > usage test. > > Well, i've found on openbsd without sofdeps enabled it will do this just > fine. But when enabling softdeps it will not. The 'uname' or 'ls' will take > quite a while to complete. > > The machine is a 300MHz 2MB L2 sparc64 SUN Ultra 30. softdeps is almost > required as it speeds up something like the extraction of a tarball > exponentially. I'm guessing somewhere near 25x. It's very slow on this > machine without sofdeps. > > Any help leading to a sollution is more than apreciated! > > Noah McNallie > n0ah > > -- http://www.openbsd.org/lyrics.html
