William, > The theshold for using PAE is actually far lower than 4GB. 4GB is the > total memory address space -- split that in half for 2GB for userspace, > 2GB for kernel. The OS cache resides in kernel space -- after you take > alway the memory allocation for devices, you're left with a window of > roughly 900MB.
I'm curious, how do you get 1.1GB for memory allocation for devices? -- 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