I would argue that almost certainly won't by doing that as you will
create a new place even further away for the disk head to seek to
instead of just another file on the same FS that is probably closer to
the current head position.
Alex
On 12/6/05, Michael Stone <mstone+postgres@mathom.us> wrote:
> On Tue, Dec 06, 2005 at 09:36:23PM +0000, Rory Campbell-Lange wrote:
> >Yes, we don't have any spare disks unfortunately. We have enabled the
> >BBU write, so we are hoping for good performance.
>
> Even if you don't use seperate disks you'll probably get better
> performance by putting the WAL on a seperate ext2 partition. xfs gives
> good performance for the table data, but is not particularly good for
> the WAL.
>
> Mike Stone
>
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