Right now, I have upgraded my -current machine from
February 13 to April 26.
I were pleased with change to dir allocation in FFS,
but here are my unpleasant test results (UDMA33, partition
is 3 GB where 1 GB is free, soft-updates are enabled):
Old system New system
On Fri, 27 Apr 2001, Cejka Rudolf wrote:
> Right now, I have upgraded my -current machine from
> February 13 to April 26.
>
> I were pleased with change to dir allocation in FFS,
> but here are my unpleasant test results (UDMA33, partition
> is 3 GB where 1 GB is free, soft-updates are enabled)
[ resending, with a subject ]
> OK, I;ve looked and looked and can't seem to figure out how to set
hw.ata.wc to enabled. I've put and a few other things in
/etc/sysctl.conf, the others get set, hw.ata.wc doesn't. You can't
change it by hand either as sysctl tells you it's readonly. Grepping in
/s
Erick Kinnee wrote:
> On Sat, Apr 28, 2001 at 09:24:40AM -0500, Erick Kinnee wrote:
> > No flames please, I feel I have tried to find the answer. :)
>
> Ok, I do deserve a flame it seems. I totally missed man ata. The
> loader.conf manpage does state that there are 4 sysctl knobs tuneable
> from
On Sat, 28 Apr 2001, Bruce Evans wrote:
> On Fri, 27 Apr 2001, Cejka Rudolf wrote:
>
> > Right now, I have upgraded my -current machine from
> > February 13 to April 26.
> >
> > I were pleased with change to dir allocation in FFS,
> > but here are my unpleasant test results (UDMA33, partition
>
Bruce Evans wrote (2001/04/28):
> This is probably caused by write caching now being off by default
> in the ata driver, possibly amplified by not using soft updates.
> Without the new dir allocation, -current would be even slower :(.
Yes, thanks. I really forgot on this change.
My rough results
On Sun, Apr 29, 2001 at 12:50:08AM -0300, Rik van Riel wrote:
> For the people wanting to turn on write caching ... it WILL break
> the write ordering needed by softupdates and journaling filesystems,
> so don't do it unless you know what you're doing.
>
> I guess it would be better to do this ki
Salvo Bartolotta wrote:
>
> [ resending, with a subject ]
>
> > OK, I;ve looked and looked and can't seem to figure out how to set
> hw.ata.wc to enabled. I've put and a few other things in
> /etc/sysctl.conf, the others get set, hw.ata.wc doesn't. You can't
> change it by hand either as sysctl
