On Thu, 2007-11-22 at 19:02 +0000, Heikki Linnakangas wrote: > Even if we could use PageIsPrunable, it would be a bad thing from a > robustness point of view. If we ever failed to set the Prunable-flag on > a page for some reason, VACUUM would never remove the dead tuples.
That's a killer reason, I suppose. I was really trying to uncover what the thinking was, so we can document it. Having VACUUM ignore it completely seems wrong. > Besides, I don't remember anyone complaining about VACUUM's CPU usage, > so it doesn't really matter. Recall anybody saying how much they love it? ;-) -- Simon Riggs 2ndQuadrant http://www.2ndQuadrant.com ---------------------------(end of broadcast)--------------------------- TIP 4: Have you searched our list archives? http://archives.postgresql.org