From 23cf3986cf25404edf7805e70054e986b4224d5c Mon Sep 17 00:00:00 2001
From: Bruce Momjian Last updated: Fri Apr 29 23:51:45 EDT 2005 Last updated: Fri Apr 29 23:53:16 EDT 2005 Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
@@ -987,20 +987,22 @@ length
Though "replication" is a single term, there are several technologies
for doing replication, with advantages and disadvantages for each. Master/slave replication allows a single master to receive read/write
- queries, while slaves can only accept read/SELECT queries.
- The most popular freely available master-slave PostgreSQL replication
- solution is
+ queries, while slaves can only accept read/SELECT
+ queries. The most popular freely available master-slave PostgreSQL
+ replication solution is
Slony-I. Multi-master replication allows read/write queries to be sent to
- multiple replicated computers. This capability also has a severe
- impact on performance due to the need to synchronize changes between
- servers. Pgcluster
- is the most popular such solution freely available for PostgreSQL.Frequently Asked Questions (FAQ) for PostgreSQL
- 4.21) What replication solutions are available?
+
There are also commercial and hardware-based replication solutions available supporting a variety of replication models.