-<!-- $PostgreSQL: pgsql/doc/src/sgml/maintenance.sgml,v 1.94 2009/05/16 22:51:24 tgl Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/maintenance.sgml,v 1.95 2009/06/17 13:59:28 petere Exp $ -->
<chapter id="maintenance">
<title>Routine Database Maintenance Tasks</title>
<para>
Tables whose <structfield>relfrozenxid</> value is more than
- <varname>autovacuum_freeze_max_age</> transactions old are always
+ <xref linkend="guc-autovacuum-freeze-max-age"> transactions old are always
vacuumed (this also applies to those tables whose freeze max age has
been modified via storage parameters; see below). Otherwise, if the
number of tuples obsoleted since the last