On Thu, 2007-03-29 at 13:55 -0400, Bruce Momjian wrote: > Pavan Deolasee wrote: > > > Earlier we were talking about not inserting any HOT tuples until the index > > > became valid. The goal of having an xid on the index was so we would know > > > when > > > we could start doing HOT updates again. That seems like a much lesser cost > > > than not being able to use the index until all live transactions exit. > > > > > > What I am proposing is to keep index unusable for existing transactions. > > The index is available for all new transactions even if there are unfinished > > existing transactions. Is that a big problem ? Well, I still need buy-in and > > review from Tom and others on the design, but it seems workable to me. > > Yes, that seems totally acceptable to me. As I remember, the index is > usable by the transaction that created it, and new transactions. Hard > to see how someone would have a problem with that.
Agreed. -- Simon Riggs EnterpriseDB http://www.enterprisedb.com ---------------------------(end of broadcast)--------------------------- TIP 5: don't forget to increase your free space map settings