[Btrfs-devel] btrfs stability

[Dongjun Shin]

On Sun, Mar 9, 2008 at 9:11 AM, Rekrutacja <rekrutacja119 at gmail.com> wrote:
> Christoph Hellwig wrote:
> > On Sat, Mar 08, 2008 at 07:50:02PM +0100, Rekrutacja119 wrote:
> >> same for xfs is:
> >
> > which version of xfs did you test?  2.6.25-rc has some changes in this
> > area that should improve metadata intensive workloads dramatically.
> >
> >
>
> it didnt help, i tried on 2.6.25-rc4 and the results are the same.
> running postmark with 20k files, 10k transactions, 20k subdirs is giving
> results of around 200KB/s read and 1MB/s write, which is even slower...
>
> i don't know where it comes from, but it is xfs issue i think
>
>

I experienced the same kind of performance degradation when running
postmark on xfs. How about using 'nobarrier' mount option for xfs?

-- 
Dongjun