On 6/11/07, Markus Schiltknecht <markus@xxxxxxxxxx> wrote:
Heikki Linnakangas wrote: > Markus Schiltknecht wrote: >> For dbt2, I've used 500 warehouses and 90 concurrent connections, >> default values for everything else. > > 500? That's just too much for the hardware. Start from say 70 warehouses > and up it from there 10 at a time until you hit the wall. I'm using 30 > connections with ~100 warehouses on somewhat similar hardware. Aha! That's why... I've seen the '500' in some dbt2 samples and thought it'd be a good default value. But it makes sense that the benchmark doesn't automatically 'scale down'... Stupid me. Thanks again! Hoping for larger NOTPMs.
Yeah, I ran with 500+ warehouses, but I had 6 14-disk arrays of 15K RPM scsi drives and 6 dual-channel controllers... :) Regards, Mark