"Andrew Hall" <temp02@xxxxxxxxxxxxxxx> writes: > We haven't been able to isolate what causes it but it's unlikely to be > hardware as it happens on quite a few of our customer's boxes. Okay, then not hardware; but it seems like you ought to be in a position to create a test case for other people to poke at. I don't insist on a 100% reproducible case, but something that will show the problem if run for awhile would be a great help. regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 8: explain analyze is your friend