> Moving the test to a system with SCSI disks gave different results.
> There is NO difference between having the indexes on the same disk or
> different disk with the data while running pgbench. So I leave it up to
> you guys as to include the patch or not. I do believe that even if
> performance doesn't increase, this patch as alot of other benefits for
> admins.
I bet it is the SCSI tagged queueing that is making up for the same disk
performance. Agreed administration is enough of a need to add the
feature.
-- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610)
853-3000+ If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill,
Pennsylvania19026