On Fri, 2010-10-08 at 23:55 +0900, Fujii Masao wrote: > On Fri, Oct 8, 2010 at 6:00 PM, Simon Riggs <si...@2ndquadrant.com> wrote: > > >From the perspective of an observer, randomly selecting a standby for > > load balancing purposes: No, they are not guaranteed to see the "latest" > > answer, nor even can they find out whether what they are seeing is the > > latest answer. > > To guarantee that each standby returns the same result, we would need to > use the cluster-wide snapshot to run queries. IIRC, Postgres-XC provides > that feature. Though I'm not sure if it can be applied in HS/SR.
That is my understanding. -- Simon Riggs www.2ndQuadrant.com 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
