On Fri, 2 Mar 2007, Brooks Davis wrote:
Also, you should time the actual copy and do the math to verify that
vmstat is actually producing valid results. It's possible there's a bug
in vmstat or the underlying statistics it uses.
There is certainly a bug in the underlying statistics. For ATA
O. Hartmann" <[EMAIL PROTECTED]> wrote:
> If SYNC is default how can you explain this:
>
> [12:[EMAIL PROTECTED]:~# mount
> /dev/ad4s3a on / (ufs, local, synchronous)
> devfs on /dev (devfs, local)
> /dev/ad4s3d on /tmp (ufs, local, soft-updates)
> /dev/ad4s3f on /usr (ufs, local, soft-updates)
>
At 04:38 AM 3/2/2007, O. Hartmann wrote:
The last days I tried to figure out why some of my lab's FreeBSD
boxes and also mine at home seem to be outperformed by some Linux
setups around here and I saw something interesting.
On my lab's FreeBSD 6.2/i386 box (ASUS P4P800, ICH5 with two SATA
150
On 03/02/07 09:28, Brooks Davis wrote:
On Fri, Mar 02, 2007 at 10:38:35AM +0100, O. Hartmann wrote:
The last days I tried to figure out why some of my lab's FreeBSD boxes
and also mine at home seem to be outperformed by some Linux setups
around here and I saw something interesting.
On my lab'
On Fri, Mar 02, 2007 at 10:38:35AM +0100, O. Hartmann wrote:
> The last days I tried to figure out why some of my lab's FreeBSD boxes
> and also mine at home seem to be outperformed by some Linux setups
> around here and I saw something interesting.
>
> On my lab's FreeBSD 6.2/i386 box (ASUS P4P
On Fri, Mar 02, 2007 at 10:43:34AM +0100, Wojciech Puchar wrote:
> >another while the box didn't do anything else than copying. I watched the
> >copy process via 'systat -vmstat 1' and realized, that the value of 'KB/t'
> >never go byond 128 (128kb buffer limit?). But more frustrating, I never go
On 03/02/07 06:03, Alexander Leidinger wrote:
Quoting Cheffo <[EMAIL PROTECTED]> (from Fri, 02 Mar 2007 13:38:45 +0200):
Hi,
Ted Mittelstaedt wrote:
- Original Message - From: "O. Hartmann"
<[EMAIL PROTECTED]>
To: ;
Sent: Friday, March 02, 2007 1:38 AM
Subject: (S)ATA performance
On Friday 02 March 2007 06:45, Ted Mittelstaedt wrote:
> blah blah blah deleted
>
idem ;)
> > Before digging into this problem deeper with benchmarks, could anyone
> > explain why FreeBSD reaches this 33 MB/s limit (sounds like UDMA 33
>
> man mount
>
> read section on "async"
>
> linux by defau
another while the box didn't do anything else than copying. I watched the
copy process via 'systat -vmstat 1' and realized, that the value of 'KB/t'
never go byond 128 (128kb buffer limit?). But more frustrating, I never got
what's wrong? FreeBSD uses 128k limit by default.
edit /usr/src/sys/s
you can change FBSD to async
then watch your fs scramble during a power failure
no big deal, it's only your data.
you are wrong, he talked about copying BIG files, and this shouldn't make
a difference contrary to small files.
there is something wrong there as i routinely get 70MB/s on my SA
Quoting Cheffo <[EMAIL PROTECTED]> (from Fri, 02 Mar 2007 13:38:45 +0200):
Hi,
Ted Mittelstaedt wrote:
- Original Message - From: "O. Hartmann"
<[EMAIL PROTECTED]>
To: ;
Sent: Friday, March 02, 2007 1:38 AM
Subject: (S)ATA performance in FBSD 6.2/7.0
The last days I tried to figur
Hi,
Ted Mittelstaedt wrote:
- Original Message -
From: "O. Hartmann" <[EMAIL PROTECTED]>
To: ;
Sent: Friday, March 02, 2007 1:38 AM
Subject: (S)ATA performance in FBSD 6.2/7.0
The last days I tried to figure out why some of my lab's FreeBSD boxes
and also mine at home seem to be
--- "O. Hartmann" <[EMAIL PROTECTED]> wrote:
> Before digging into this problem deeper with benchmarks, could anyone
> explain why FreeBSD reaches this 33 MB/s limit (sounds like UDMA 33
> defaults, but on both boxes nForce4 and ICH5 controller are recognized
> and show up with SATA300 or SATA15
- Original Message -
From: "O. Hartmann" <[EMAIL PROTECTED]>
To: ;
Sent: Friday, March 02, 2007 1:38 AM
Subject: (S)ATA performance in FBSD 6.2/7.0
> The last days I tried to figure out why some of my lab's FreeBSD boxes
> and also mine at home seem to be outperformed by some Linux s
The last days I tried to figure out why some of my lab's FreeBSD boxes
and also mine at home seem to be outperformed by some Linux setups
around here and I saw something interesting.
On my lab's FreeBSD 6.2/i386 box (ASUS P4P800, ICH5 with two SATA 150
ports, two SATA 300 drives attached) I co
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