"Christian Hofmann" <christian(dot)hofmann(at)gmx(dot)de> writes:
> work_mem = 650240 # min 64, size in KB
> But where can I find the sort_mem? In postgresql.conf is nothing with that
> keyword :-(
work_mem and sort_mem are the same ... so looks like you already pushed
it up. Actually, maybe you pushed it up too far --- are you sure that
the machine has 650M RAM available to spare? On Unix I'd suggest
watching free memory and swap activity to tell if it's too high, but
I dunno how to tell on Windows.
regards, tom lane