On 20 January 2012 21:53, Jerry Richards <jerry.richards@xxxxxxxxxxx> wrote: > I noticed there are several synchronous implementations (Postgre-XC, PGCluster, pgpool, rubyrep, built-in streaming, etc.). When you say, " you can dynamically change that right down to the transaction level...", are you referring specifically to one of these implementations? I refer specifically to the synchronous replication feature that was introduced into PostgreSQL itself, in the current 9.1 release: http://www.postgresql.org/docs/9.1/static/warm-standby.html#SYNCHRONOUS-REPLICATION -- Peter Geoghegan http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training and Services -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general