On Thu, Jun 21, 2007 at 07:53:54PM +0300, Sabin Coanda wrote: > Reading different references, I understand there is no need to vacuum a > table where just insert actions perform. That's false. First, you must vacuum at least once every 2 billion transactions. Second, if a table is INSERTed to, but then the INSERTing transaction rolls back, it leaves a dead tuple in its wake. My guess, from your posted example, is that you have the latter case happening, because you have removable rows (that's assuming you aren't mistaken that there's never a delete or update to the table). A -- Andrew Sullivan | ajs@xxxxxxxxxxxxxxx Unfortunately reformatting the Internet is a little more painful than reformatting your hard drive when it gets out of whack. --Scott Morris