-<!-- $PostgreSQL: pgsql/doc/src/sgml/release-9.0.sgml,v 2.53 2010/08/25 00:47:57 tgl Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/release-9.0.sgml,v 2.54 2010/08/25 19:41:38 momjian Exp $ -->
<sect1 id="release-9-0">
<title>Release 9.0</title>
<para>
Version 9.0 contains a number of changes that selectively break backwards
compatibility in order to support new features and code quality
- improvements. Particularly, users who make extensive use of PL/pgSQL
- and/or PITR and Warm Standby should test their solutions for breakage.
+ improvements. Also, users who make extensive use of PL/pgSQL,
+ Point-In-Time Recovery (PITR), and Warm Standby should test their
+ solutions because of slight user-visible changes in these areas.
Observe the following incompatibilities:
</para>
<listitem>
<para>
- Replace server parameter <varname>archive_mode</> with
- <link linkend="guc-wal-level"><varname>wal_level</></link>
- (Heikki Linnakangas)
+ <link linkend="guc-archive-mode"><varname>archive_mode</></link>
+ now only affects <link
+ linkend="guc-archive-command"><varname>archive_command</></link>;
+ a new setting, <link
+ linkend="guc-wal-level"><varname>wal_level</></link>, affects
+ the contents of the write-ahead log (Heikki Linnakangas)
</para>
</listitem>