On Tue, Jul 19, 2011 at 8:45 PM, Bruce Momjian <br...@momjian.us> wrote:
> Gurjeet Singh wrote: > > [ CC to general removed --- emailing only hackers; cross-posting is > frowned upon. ] > I thought these questions were of interest to the general public too. > > > .) Is Streaming Replication supported across minor releases, in reverse > > direction; e.g. 9.0.3 to 9.0.1 > > > > I think the answer is "it depends", since it would depend upon > whether > > any SR related bug has been fixed in the 'greater' of the minor releases. > > > > I am assuming that smaller minor release to bigger minor release will > > always be supported (e.g. 9.0.1 to 9.0.3) > > Yes. I am assuming that's a "yes" to both the directions: older -> newer , and newer -> older minor releases. > We could mention in the minor release notes if we break streaming > replication for a minor release --- or someone will tell us when we do. > I am pretty sure the Postgres community would notify its user base via release notes. > > .) How reliable is `pg_upgrade -c` (dry run) currently; that is, how > > accurate is pg_upgrade at predicting any potential problem with the > eventual > > in-place upgrade. > > > > I'd say it is as reliable as it gets since this is the official tool > > supported by the project, and it should not contain any known bugs. One > has > > to use the latest and greatest 'minor' version of the tool for the major > > release they are upgrading to, though. > > Well, we make no guarantees about the software at all, so it is hard to > make any guarantee about pg_upgrade either. > :) Given the BSD-style license, that's a fair point. Thanks, -- Gurjeet Singh EnterpriseDB Corporation The Enterprise PostgreSQL Company