On 20 June 2012 04:31, Kevin Grittner <kevin.gritt...@wicourts.gov> wrote:
> I've done a lot of MM replication, > and so far have not had to use a topology which allowed loops. The proposal is to use WAL to generate the logical change stream. That has been shown in testing to be around x4 faster than having a separate change stream, which must also be WAL logged (as Jan noted). If we use WAL in this way, multi-master implies that the data will *always* be in a loop. So in any configuration we must be able to tell difference between changes made by one node and another. -- Simon Riggs http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
