On Tue, 2007-09-11 at 01:22 +0530, Pavan Deolasee wrote: > I think the only difference is that the quick pruning does not mark > intermediate tuples ~LP_USED and hence we may avoid WAL logging.
Sounds great. > Btw, I am not too enthusiastic about quick pruning because it leaves > behind dead heap-only tuples which are not reachable from any root > heap tuples. Not that we can't handle them, but I am worried about > making such changes right now unless we are sure about the benefits. > We can always tune and tweak in 8.4 ...but we don't want to reach them. They are waiting to be removed. -- Simon Riggs 2ndQuadrant http://www.2ndQuadrant.com ---------------------------(end of broadcast)--------------------------- TIP 1: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to [EMAIL PROTECTED] so that your message can get through to the mailing list cleanly