On Fri, Jun 14, 2013 at 2:51 PM, Benedikt Grundmann < bgrundm...@janestreet.com> wrote:
> > A alternative proposal (which will probably just reveal my lack of > understanding about what is or isn't possible with WAL). Provide a way to > restart the master so that it rolls back the WAL changes that the slave > hasn't seen. > WAL records in PostgreSQL can only be used for physical redo. They can not be used for undo. So what you're suggesting is not possible though I am sure a few other databases do that. Thanks, Pavan -- Pavan Deolasee http://www.linkedin.com/in/pavandeolasee
