Ken, > I did everything you said and my query does perform a bit better. I've > been getting speeds from 203 to 219 to 234 milliseconds now. I tried > increasing the work mem and the effective cache size from the values you > provided, but I didn't see any more improvement. I've tried to looking > into setting the shared buffers for Windows XP, but I'm not sure how to do > it. I'm looking in the manual at:
Now that you know how to change the shared_buffers, want to go ahead and run the query again? I'm pretty concerned about your case, because based on your description I would expect < 100ms on a Linux machine. So I'm wondering if this is a problem with WindowsXP performance, or if it's something we can fix through tuning. -- Josh Berkus Aglio Database Solutions San Francisco ---------------------------(end of broadcast)--------------------------- TIP 9: the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match