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doc: Suggest logical replication more prominently for upgrading

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The previous wording suggested only Slony, and there are more options
available.
This commit is contained in:
Peter Eisentraut 2018-06-11 21:34:32 -04:00
parent bdc643e5e4
commit 8f6c94272c
1 changed files with 10 additions and 3 deletions
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13
doc/src/sgml/runtime.sgml
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@ -1946,9 +1946,9 @@ pg_dumpall -p 5432 | psql -d postgres -p 5433
<title>Upgrading Data via Replication</title> <title>Upgrading Data via Replication</title>
<para> <para>
It is also possible to use certain replication methods, such as It is also possible to use logical replication methods to create a standby
<productname>Slony</productname>, to create a standby server with the updated version of server with the updated version of <productname>PostgreSQL</productname>.
<productname>PostgreSQL</productname>. This is possible because Slony supports This is possible because logical replication supports
replication between different major versions of replication between different major versions of
<productname>PostgreSQL</productname>. The standby can be on the same computer or <productname>PostgreSQL</productname>. The standby can be on the same computer or
a different computer. Once it has synced up with the master server a different computer. Once it has synced up with the master server
@ -1958,6 +1958,13 @@ pg_dumpall -p 5432 | psql -d postgres -p 5433
of downtime for an upgrade. of downtime for an upgrade.
</para> </para>
<para>
This method of upgrading can be performed using the built-in logical
replication facilities as well as using external logical replication
systems such as <productname>pglogical</productname>,
<productname>Slony</productname>, <productname>Londiste</productname>, and
<productname>Bucardo</productname>.
</para>
</sect2> </sect2>
</sect1> </sect1>