On Sun, Feb 17, 2002 at 05:25:17PM -0800, M. Warner Losh wrote: > In message: <[EMAIL PROTECTED]> > Paul Mather <[EMAIL PROTECTED]> writes: > : After a little more research, I found that DAO is supported in burncd > : under 5.0-CURRENT. However, after briefly installing FreeBSD from the > : 5.0-20020214-CURRENT snapshot, I reverted back to 4.5-RELEASE because my > : I/O performance under -CURRENT appeared to be about 1/3rd of that under > : 4.5-RELEASE (measured by install and dump progress). (Did I pick a bad > : snapshot to install??) > > Likely you had a kernel that had WITNESS enabled. That's a huge > performance killer. However, we're at the worst part of the lock > pushdown right now, so there's about a 15-20% performance hit > (measured by make buildworld, aka the "worldstone"). Things should be > getting better from this point forward... > Oh, that explains it (although I don't know what WITNESS is), I rebuilt CURRENT yesterday, in the time it took I translated Lord of the Rings into mediaeval Church Latin.
-- Regards Cliff Sarginson -- <[EMAIL PROTECTED]> To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-stable" in the body of the message
