On Fri, 2006-11-10 at 17:00 +0100, Zeugswetter Andreas ADI SD wrote: > > > 2. locking should be easier if only the original heap page is > involved. > > > > Yes, but multi-page update already happens now, so HOT is not > > different on that point. > > I was thinking about the case when you "pull back" a tuple, which seems > to be more > difficult than what we have now.
Well, it sounds like it would be really bad, at least thats what I thought at first. We tried it anyway and performance shows it aint that bad. > PS: I think it is great that you are doing all this work and explaining > it for us. Thanks. Thanks for your feedback; I'm certain we'll be able to improve on where HOT is now with some objective thinking. -- Simon Riggs EnterpriseDB http://www.enterprisedb.com ---------------------------(end of broadcast)--------------------------- TIP 2: Don't 'kill -9' the postmaster
