Vivek,
> > With large RAID, have you found that having WAL on a seperate array
> > actually
> > boosts performance? The empirical tests we've seen so far don't seem
> > to
> > support this.
>
> Yes, it was a noticeable improvement.
Do you have any stats? This would be useful for your talk, as well.
--
-Josh Berkus
Aglio Database Solutions
San Francisco