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. Regards, -- Fujii Masao NIPPON TELEGRAPH AND TELEPHONE CORPORATION NTT Open Source Software Center -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
