On Fri, Jul 29, 2005 at 12:51:57PM -0700, Mark Wong wrote: > > Not sure I fully understand what you're trying to say, but it seems like > > it might still be worth trying my original idea of just turning all 80 > > disks into one giant RAID0/striped array and see how much more bandwidth > > you get out of that. At a minimum it would allow you to utilize the > > remaining spindles, which appear to be unused right now. > > I have done that before actually, when the tablespace patch came out. I > was able to get almost 40% more throughput with half the drives than > striping all the disks together.
Wow, that's a pretty stunning difference... any idea why? I think it might be very useful to see some raw disk IO benchmarks... -- Jim C. Nasby, Database Consultant [EMAIL PROTECTED] Give your computer some brain candy! www.distributed.net Team #1828 Windows: "Where do you want to go today?" Linux: "Where do you want to go tomorrow?" FreeBSD: "Are you guys coming, or what?" ---------------------------(end of broadcast)--------------------------- TIP 2: Don't 'kill -9' the postmaster
