On Thu, 2010-12-30 at 22:08 +0100, Stefan Kaltenbrunner wrote: > On 12/30/2010 10:01 PM, Simon Riggs wrote: > > On Thu, 2010-12-30 at 15:51 -0500, Robert Treat wrote: > > > >> Still, one thing that has me concerned is that in the case of two > >> slaves, you don't know which one is the more up-to-date one if you > >> need to failover. It'd be nice if you could just guarantee they both > >> are... > > > > Regrettably, nobody can know that, without checking. > > how exactly would you check? - this seems like something that needs to > be done from the SQL and the CLI level and also very well documented > (which I cannot see in your proposal).
This is a proposal for sync rep, not multi-node failover. I'm definitely not going to widen the scope of this project. Functions already exist to check the thing you're asking. -- Simon Riggs http://www.2ndQuadrant.com/books/ PostgreSQL Development, 24x7 Support, Training and Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
