Document that pgpool can be used with master/slave servers to avoid

problems with non-deterministic functions.

diff --git a/doc/src/sgml/high-availability.sgml b/doc/src/sgml/high-availability.sgml
index 766d223bd2bd0cc018a3a99f0f24f082d0c9276f..463bac1f4808881394bf7503d3c3f29d40759a4a 100644 (file)
--- a/doc/src/sgml/high-availability.sgml
+++ b/doc/src/sgml/high-availability.sgml
@@ -1,4 +1,4 @@
-
+
 
 
  High Availability, Load Balancing, and Replication
@@ -199,7 +199,11 @@ protocol to make nodes agree on a serializable transactional order.
      SQL queries are broadcast (and not actual modified rows).  If
      this is unacceptable, either the middleware or the application
      must query such values from a single server and then use those
-     values in write queries.  Also, care must be taken that all
+     values in write queries.  Another option is to use this replication
+     option with a traditional master-slave setup, i.e. data modification
+     queries are sent only to the master and are propogated to the
+     slaves via master-slave replication, not by the replication
+     middleware.  Care must also be taken that all
      transactions either commit or abort on all servers, perhaps
      using two-phase commit (
      and .