Jens Axboe wrote:
On Thu, Apr 19 2007, Valerie Clement wrote:
Jens Axboe wrote:
On Thu, Apr 19 2007, Valerie Clement wrote:
Jens Axboe wrote:
Please tell me how you are running ffsb, and also please include a
dmessg from a booted system.
Hi,
our mails crossed! please see my response to
On Thu, Apr 19 2007, Valerie Clement wrote:
> Jens Axboe wrote:
> >On Thu, Apr 19 2007, Valerie Clement wrote:
> >>Jens Axboe wrote:
> >>>Please tell me how you are running ffsb, and also please include a
> >>>dmessg from a booted system.
> >>>
> >>Hi,
> >>our mails crossed! please see my response
Jens Axboe wrote:
On Thu, Apr 19 2007, Valerie Clement wrote:
Jens Axboe wrote:
Please tell me how you are running ffsb, and also please include a
dmessg from a booted system.
Hi,
our mails crossed! please see my response to Andrew.
You could reproduce the problem with dd command as
On Thu, Apr 19 2007, Jens Axboe wrote:
> On Thu, Apr 19 2007, Valerie Clement wrote:
> > Jens Axboe wrote:
> > >Please tell me how you are running ffsb, and also please include a
> > >dmessg from a booted system.
> > >
> > Hi,
> > our mails crossed! please see my response to Andrew.
> > You could
On Thu, Apr 19 2007, Valerie Clement wrote:
> Jens Axboe wrote:
> >Please tell me how you are running ffsb, and also please include a
> >dmessg from a booted system.
> >
> Hi,
> our mails crossed! please see my response to Andrew.
> You could reproduce the problem with dd command as suggested,
Jens Axboe wrote:
Please tell me how you are running ffsb, and also please include a
dmessg from a booted system.
Hi,
our mails crossed! please see my response to Andrew.
You could reproduce the problem with dd command as suggested, it's more
easy.
I'm sending you the dmesg info. For my
Andrew Morton wrote:
It could be due to I/O scheduler changes. Which one are you using? CFQ?
Or it could be that there has been some changed behaviour at the VFS/pagecache
layer: the VFS might be submitting little hunks of lots of files, rather than
large hunks of few files.
Or it could be a
On Wed, Apr 18 2007, Valerie Clement wrote:
>
> Running benchmark tests (FFSB) on an ext4 filesystem, I noticed a
> performance degradation (about 15-20 percent) in sequential write tests
> between 2.6.19-rc6 and 2.6.21-rc4 kernels.
>
> I ran the same tests on ext3 and XFS filesystems and I
On Wed, Apr 18 2007, Valerie Clement wrote:
Running benchmark tests (FFSB) on an ext4 filesystem, I noticed a
performance degradation (about 15-20 percent) in sequential write tests
between 2.6.19-rc6 and 2.6.21-rc4 kernels.
I ran the same tests on ext3 and XFS filesystems and I saw the
Andrew Morton wrote:
It could be due to I/O scheduler changes. Which one are you using? CFQ?
Or it could be that there has been some changed behaviour at the VFS/pagecache
layer: the VFS might be submitting little hunks of lots of files, rather than
large hunks of few files.
Or it could be a
Jens Axboe wrote:
Please tell me how you are running ffsb, and also please include a
dmessg from a booted system.
Hi,
our mails crossed! please see my response to Andrew.
You could reproduce the problem with dd command as suggested, it's more
easy.
I'm sending you the dmesg info. For my
On Thu, Apr 19 2007, Valerie Clement wrote:
Jens Axboe wrote:
Please tell me how you are running ffsb, and also please include a
dmessg from a booted system.
Hi,
our mails crossed! please see my response to Andrew.
You could reproduce the problem with dd command as suggested, it's more
On Thu, Apr 19 2007, Jens Axboe wrote:
On Thu, Apr 19 2007, Valerie Clement wrote:
Jens Axboe wrote:
Please tell me how you are running ffsb, and also please include a
dmessg from a booted system.
Hi,
our mails crossed! please see my response to Andrew.
You could reproduce the
Jens Axboe wrote:
On Thu, Apr 19 2007, Valerie Clement wrote:
Jens Axboe wrote:
Please tell me how you are running ffsb, and also please include a
dmessg from a booted system.
Hi,
our mails crossed! please see my response to Andrew.
You could reproduce the problem with dd command as
On Thu, Apr 19 2007, Valerie Clement wrote:
Jens Axboe wrote:
On Thu, Apr 19 2007, Valerie Clement wrote:
Jens Axboe wrote:
Please tell me how you are running ffsb, and also please include a
dmessg from a booted system.
Hi,
our mails crossed! please see my response to Andrew.
You could
Jens Axboe wrote:
On Thu, Apr 19 2007, Valerie Clement wrote:
Jens Axboe wrote:
On Thu, Apr 19 2007, Valerie Clement wrote:
Jens Axboe wrote:
Please tell me how you are running ffsb, and also please include a
dmessg from a booted system.
Hi,
our mails crossed! please see my response to
> On Wed, 18 Apr 2007 15:54:00 +0200 Valerie Clement <[EMAIL PROTECTED]> wrote:
>
> Running benchmark tests (FFSB) on an ext4 filesystem, I noticed a
> performance degradation (about 15-20 percent) in sequential write tests
> between 2.6.19-rc6 and 2.6.21-rc4 kernels.
>
> I ran the same tests
Running benchmark tests (FFSB) on an ext4 filesystem, I noticed a
performance degradation (about 15-20 percent) in sequential write tests
between 2.6.19-rc6 and 2.6.21-rc4 kernels.
I ran the same tests on ext3 and XFS filesystems and I saw the same
performance difference between the two
Running benchmark tests (FFSB) on an ext4 filesystem, I noticed a
performance degradation (about 15-20 percent) in sequential write tests
between 2.6.19-rc6 and 2.6.21-rc4 kernels.
I ran the same tests on ext3 and XFS filesystems and I saw the same
performance difference between the two
On Wed, 18 Apr 2007 15:54:00 +0200 Valerie Clement [EMAIL PROTECTED] wrote:
Running benchmark tests (FFSB) on an ext4 filesystem, I noticed a
performance degradation (about 15-20 percent) in sequential write tests
between 2.6.19-rc6 and 2.6.21-rc4 kernels.
I ran the same tests on ext3
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