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| author | Bruce Momjian <bruce@momjian.us> | 2005-04-30 03:52:23 +0000 |
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| committer | Bruce Momjian <bruce@momjian.us> | 2005-04-30 03:52:23 +0000 |
| commit | ef1b4fbb568b783fbbe2800b66c70dafc94013fb (patch) | |
| tree | 5db0e82bda22f14f5e8f772ee3f9e039d29cabc5 /doc/src | |
| parent | 3a694bb0a16fea1662f1ffd31506a72effdd4a93 (diff) | |
| download | postgresql-ef1b4fbb568b783fbbe2800b66c70dafc94013fb.tar.gz postgresql-ef1b4fbb568b783fbbe2800b66c70dafc94013fb.zip | |
Update replication FAQ.
Christopher Browne
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/FAQ/FAQ.html | 30 |
1 files changed, 18 insertions, 12 deletions
diff --git a/doc/src/FAQ/FAQ.html b/doc/src/FAQ/FAQ.html index 7c5dcaacdf0..b88bc9cfd8d 100644 --- a/doc/src/FAQ/FAQ.html +++ b/doc/src/FAQ/FAQ.html @@ -10,7 +10,7 @@ alink="#0000ff"> <H1>Frequently Asked Questions (FAQ) for PostgreSQL</H1> - <P>Last updated: Sun Apr 24 08:01:19 EDT 2005</P> + <P>Last updated: Fri Apr 29 23:51:45 EDT 2005</P> <P>Current maintainer: Bruce Momjian (<A href= "mailto:pgman@candle.pha.pa.us">pgman@candle.pha.pa.us</A>) @@ -987,16 +987,22 @@ length</TD></TR> <H3><A name="4.21">4.21</A>) What replication solutions are available? </H3> - <P>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. <A href="http://pgfoundry.org/projects/pgcluster/"> - Pgcluster</A> 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/<SMALL>SELECT</SMALL> queries. - The most popular master-slave PostgreSQL replication solution is - <A href="http://gborg.postgresql.org/project/slony1/projdisplay.php"> - Slony</A>. There are also commercial and hardware-based replication - solutions available.</P> + <P>Though "replication" is a single term, there are several technologies + for doing replication, with advantages and disadvantages for each.</P> + + <P>Master/slave replication allows a single master to receive read/write + queries, while slaves can only accept read/<SMALL>SELECT</SMALL> queries. + The most popular freely available master-slave PostgreSQL replication + solution is <A href="http://gborg.postgresql.org/project/slony1/projdisplay.php"> + Slony-I</A>.</P> + + <P>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. <A href="http://pgfoundry.org/projects/pgcluster/">Pgcluster</a> + is the most popular such solution freely available for PostgreSQL.</P> + + <P>There are also commercial and hardware-based replication solutions + available supporting a variety of replication models.</P> </BODY> </HTML> |