On Wed, May 25, 2011 at 6:16 AM, Heikki Linnakangas <[email protected]> wrote:
>> To achieve that, I'm thinking to change walsender so that, when the >> standby >> has caught up with the master, it sends back the message indicating that >> to >> the standby. And I'm thinking to add new function (or view like >> pg_stat_replication) >> available on the standby, which shows that info. > > By the time the standby has received that message, it might not be caught-up > anymore because new WAL might've been generated in the master already. AFAICS, this is an exact case of the Byzantine General's problem. -- Simon Riggs http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list ([email protected]) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
