> > The bottom line here is likely to be "you need more RAM" :-( Yup. Just trying to get a handle on what I can do if I need more than 16G Of ram... That's as much as I can put on the installed based of servers.... 100s of them. > > I wonder whether there is a way to use table partitioning to > make the insert pattern more localized? We'd need to know a > lot more about your insertion patterns to guess how, though. > > regards, tom lane We're doing partitioning as well..... >