I found interesting paper http://citeseer.nj.nec.com/330257.html
"Don't be lazy, be consistent: Postgres-R, A new way to implement Database Replication"
Abstract:
Database designers often point out that eager, update everywhere replication suffers
from
high deadlock rates, message overhead and
What is the current state-of-the-art WRT replication of any sort ? If anyone
has homebrew solutions that they can share, we would welcome tyring too.
There is some code in contrib/rserv for 7.1 which does table
replication. It has some restrictions, but does implement the basic
concept. I
