Tom,
> I concur with the upthread suggestion that it may come from not doing
> checkpoints in a realistic fashion, thereby allowing too much queued
> I/O work to build up. What happens if you set the checkpoint interval
> to 5 or 10 minutes?
I'll test. Keep in mind that it takes me a couple of days to run a new test
(I've got 11 in the queue right now) so it'll be a bit.
--
Josh Berkus
Aglio Database Solutions
San Francisco