Mark, On 11/28/05 1:45 PM, "Mark Kirkwood" <markir@xxxxxxxxxxxxxxx> wrote: >>> 8.0 : 32 s >>> 8.1 : 25 s A 22% reduction. select count(1) on 12,900MB = 1617125 pages fully cached: MPP based on 8.0 : 6.06s MPP based on 8.1 : 4.45s A 26% reduction. I'll take it! I am looking to back-port Tom's pre-8.2 changes and test again, maybe tonight. - Luke