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authorAlvaro Herrera2005-09-16 03:12:32 +0000
committerAlvaro Herrera2005-09-16 03:12:32 +0000
commit3e579cf3c09d98e7d78d8621520592a6c201b582 (patch)
tree18cfd2992a6cbb3a610f0bbe5f91c4581cc02c7a
parentdc06734a7272ab1a3be3f6b86921b0a35008526a (diff)
Add note about pg_autovacuum settings not being saved on a dump, per
Robert Treat.
-rw-r--r--doc/src/sgml/maintenance.sgml16
1 files changed, 13 insertions, 3 deletions
diff --git a/doc/src/sgml/maintenance.sgml b/doc/src/sgml/maintenance.sgml
index d4b3f51d557..4f7c4d78243 100644
--- a/doc/src/sgml/maintenance.sgml
+++ b/doc/src/sgml/maintenance.sgml
@@ -1,5 +1,5 @@
<!--
-$PostgreSQL: pgsql/doc/src/sgml/maintenance.sgml,v 1.46 2005/09/13 01:51:18 alvherre Exp $
+$PostgreSQL: pgsql/doc/src/sgml/maintenance.sgml,v 1.47 2005/09/16 03:12:32 alvherre Exp $
-->
<chapter id="maintenance">
@@ -542,10 +542,20 @@ vacuum threshold = vacuum base threshold + vacuum scale factor * number of tuple
values, the <varname>vacuum_cost_limit</varname> and
<varname>vacuum_cost_delay</varname> values will be used instead.
The other parameter, <structname>pg_autovacuum</>.<structfield>enabled</>,
- can be used to instruct the autovacuum daemon to skip any particular table
- by setting it to <literal>false</literal>.
+ can be used to instruct the autovacuum daemon to skip any particular table
+ by setting it to <literal>false</literal>.
</para>
+ <note>
+ <para>
+ The contents of the <structname>pg_autovacuum</structname> system
+ catalog are currently not saved in database dumps created by
+ the tools <command>pg_dump</command> and <command>pg_dumpall</command>.
+ If you need to preserve them across a dump/reload cycle, make sure you
+ dump the catalog manually.
+ </para>
+ </note>
+
</sect2>
</sect1>