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-rw-r--r--doc/src/sgml/config.sgml7
1 files changed, 6 insertions, 1 deletions
diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml
index 253cf8ee03e..50cb5edb081 100644
--- a/doc/src/sgml/config.sgml
+++ b/doc/src/sgml/config.sgml
@@ -1,4 +1,4 @@
-<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.164.2.5 2008/07/18 17:33:40 momjian Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.164.2.6 2008/12/08 15:11:42 mha Exp $ -->
<chapter Id="runtime-config">
<title>Server Configuration</title>
@@ -860,6 +860,11 @@ SET ENABLE_SEQSCAN TO OFF;
than <varname>work_mem</varname>. Larger settings might improve
performance for vacuuming and for restoring database dumps.
</para>
+ <para>
+ Note that when autovacuum runs, up to
+ <xref linkend="guc-autovacuum-max-workers"> times this memory may be
+ allocated, so be careful not to set the default value too high.
+ </para>
</listitem>
</varlistentry>