"Heikki Linnakangas" <[EMAIL PROTECTED]> writes: > We mustn't write data pages before the WAL hits the disk, but we don't > have any such limitation for WAL.
Um, you're right, I was remembering discussions about trying to mmap data files. Still, googling "msync performance" leaves me full of concern about whether this would be a portable improvement. regards, tom lane ---------------------------(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