Steinar H. Gunderson wrote:
> On Tue, Dec 05, 2006 at 01:02:06PM -0500, Tom Lane wrote:
>> In 8.0 that might be counterproductively high --- we have seen cases
>> where more sort_mem = slower with the older sorting code. I concur
>> with Luke's advice that you should update to 8.2 (not 8.1) to get the
>> improved sorting code.
>
> By the way, is the new sorting code any better for platforms that already
> have a decent qsort() (like Linux)?
yes - especially on-disk sorts will get some tremendous speedups in 8.2.
Stefan