Update replication FAQ.

Christopher Browne

diff --git a/doc/FAQ b/doc/FAQ
index d84f56a4a160038793df565ab2aeea71a6b1d768..e0eaffd4204bfcff763369fb39825a9bb34889d9 100644 (file)
--- a/doc/FAQ
+++ b/doc/FAQ
@@ -1,7 +1,7 @@
 
                 Frequently Asked Questions (FAQ) for PostgreSQL
                                        
-   Last updated: Sun Apr 24 08:01:19 EDT 2005
+   Last updated: Fri Apr 29 23:51:45 EDT 2005
    
    Current maintainer: Bruce Momjian ([email protected])
    
@@ -761,12 +761,19 @@
        
   4.21) What replication solutions are available?
   
-   Though "replication" is a single term, there are two major replication
-   technologies. Multi-master replication allows read/write queries to be
-   sent to multiple replicated computers. Using this capability has a
-   serious performance impact. Pgcluster is the most popular such
-   solution available for PostgreSQL. Master-slave replication allows a
-   single master to receive read/write queries, with slaves able to
-   accept only read/SELECT queries. The most popular master-slave
-   PostgreSQL replication solution is Slony. There are also commercial
-   and hardware-based replication solutions available.
+   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 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.
+   
+   There are also commercial and hardware-based replication solutions
+   available supporting a variety of replication models.

diff --git a/doc/src/FAQ/FAQ.html b/doc/src/FAQ/FAQ.html
index 7c5dcaacdf046832cc8bddeca37c47b82b8da0cf..b88bc9cfd8dda67f92324caab20ce3c8b0910c67 100644 (file)
--- a/doc/src/FAQ/FAQ.html
+++ b/doc/src/FAQ/FAQ.html
@@ -10,7 +10,7 @@
   alink="#0000ff">
     Frequently Asked Questions (FAQ) for PostgreSQL
 
-    Last updated: Sun Apr 24 08:01:19 EDT 2005
+    Last updated: Fri Apr 29 23:51:45 EDT 2005
 
     Current maintainer: Bruce Momjian (
     "mailto:[email protected]">[email protected])
@@ -987,16 +987,22 @@ length
 
     4.21) What replication solutions are available?
     
-    Though "replication" is a single term, there are two major replication
-    technologies.  Multi-master replication allows read/write queries to be
-    sent to multiple replicated computers.  Using this capability has a
-    serious performance impact.  
-    Pgcluster is the most popular such solution available for PostgreSQL. 
-    Master-slave replication allows a single master to receive read/write
-    queries, with slaves able to accept only read/SELECT queries.
-    The most popular master-slave PostgreSQL replication solution is
-    
-    Slony.  There are also commercial and hardware-based replication
-    solutions available.
+    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 
+    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.
+
+    There are also commercial and hardware-based replication solutions
+    available supporting a variety of replication models.