On Fri, Sep 08, 2006 at 08:50:57AM +0200, Peter Eisentraut wrote: > Gregory Stark wrote: > > But it's largely true for OLTP applications too. The more compact the > > data the more tuples fit on a page and the greater the chance you > > have the page you need in cache. > But a linear amount of more RAM is still more affordable than a CPU that > is 100 times faster, which is about what some of the proposed schemes > would require.
100 times faster? I don't think it has been proven that a change in how data is stored would result in an increase in CPU usage. It's an assumption. It might be correct. It might not. I guess this is where patches speak louder than words... :-) Cheers, mark -- [EMAIL PROTECTED] / [EMAIL PROTECTED] / [EMAIL PROTECTED] __________________________ . . _ ._ . . .__ . . ._. .__ . . . .__ | Neighbourhood Coder |\/| |_| |_| |/ |_ |\/| | |_ | |/ |_ | | | | | | \ | \ |__ . | | .|. |__ |__ | \ |__ | Ottawa, Ontario, Canada One ring to rule them all, one ring to find them, one ring to bring them all and in the darkness bind them... http://mark.mielke.cc/ ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match