> > Furthermore, it does not do anything to address the consideration that > memory access on Opterons seem to be intrinsically faster than on Xeon > due to differences in the memory bus architecture. >
I have been running some tests using different numa policies on a quad Opteron server and have found some significant performance differences depending on the type of load the system is under. It's not clear to me yet if I can draw any general conclusions from the results though. Emil ---------------------------(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