Tom,
> > What I'm confused about is that this shouldn't be anything new for
> > 8.1. Yet 8.1 has *worse* performance on the STP machines than 8.0
> > does, and it's pretty much entirely due to this check.
>
> That's simply not believable --- better recheck your analysis. If 8.1
> is worse it's not because of page-dumping, because we are more efficient
> on that than before not less so. Perhaps there's another issue?
Ach, I want to run head-to-head tests, but the system is down again.
--
--Josh
Josh Berkus
Aglio Database Solutions
San Francisco