In response to Bo Lorentsen <bl@xxxxxxxxxxx>: > Hi ... > > I have been trying to find a replication to a payment system at the > company I work, and Slony-I is of cause the first thing that game into > my attention. But when reading chapter 23.3 in the PG manual, there is > this comment of PITR used as a replication tool. > > I also saw the "pgpitrha" project, and this sounds really nice too, but > is this a good way to go ? Will PITR be more replication friendly > in the future or even form the basis for a future buildin async > replication form ? > > I may be naive, but to me it sound like we/I only need some kind of > protocol (or API in postgres) to move PITR data from one server to > another, and we could end up with a nice async replication system. > > pros : > - DDL replications > - low overhead > - no trickers > > Cons: > - binary alike master slave - No reliability. On slow days, WAL logs could take a long time to rotate, so small but important transactions might not be replicated for a long time. -- Bill Moran Collaborative Fusion Inc.