On Wed, 2006-03-22 at 10:04 +0100, Mikael Carneholm wrote: > but that gave a more uneven insert rate Not sure what you mean, but happy to review test results. You should be able to tweak other parameters from here as you had been trying. Your bgwriter will be of some benefit now if you set it aggressively enough to keep up. Your thoughts on this process are welcome... Best Regards, Simon Riggs