"Merlin Moncure" <mmoncure@xxxxxxxxx> writes: > there are a few things that I can think of that can can cause postgres > to cause i/o on a drive other than the data drive: > * logging (eliminate this by moving logs temporarily) > * swapping (swap is high and changing, other ways) > * dumps, copy statement (check cron) > * procedures, especially the external ones (perl, etc) that write to disk > my seat-of-the-pants guess is that you are looking at swap. vmstat would confirm or disprove that particular guess, since it tracks swap I/O separately. regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 2: Don't 'kill -9' the postmaster