On 01.03.2007, at 13:40, Alex Deucher wrote:
> I read several places that the SAN might be to blame, but
> testing with bonnie and dd indicates that the SAN is actually almost
> twice as fast as the scsi discs in the old sun server. I've tried
> adjusting just about every option in the postgres config file, but
> performance remains the same. Any ideas?
As mentioned last week:
Did you actually try to use the local drives for speed testing? It
might be that the SAN introduces latency especially for random access
you don't see on local drives.