On Oct 30, 2008, at 8:10 AM, Grzegorz Jaśkiewicz wrote:
> up to 8.3 it was massively slower on raid1 (software raid on
> linux), starting from 8.3 things got lot lot better (we speak 3x
> speed improvement here), but it still isn't same as on 'plain' drive.
I'm a bit surprised to hear that; what would pg be doing, unique to
it, that would cause it to be slower on a RAID-1 cluster than on a
plain drive?