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Document that autovacuum cannot vacuum or analyze temporary tables.

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This commit is contained in:
Bruce Momjian
2010-04-16 02:22:33 +00:00
parent b6c586a36c
commit b4fd1e246e
2 changed files with 17 additions and 2 deletions
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8
doc/src/sgml/maintenance.sgml
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@@ -1,4 +1,4 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/maintenance.sgml,v 1.102 2010/04/03 07:22:55 petere Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/maintenance.sgml,v 1.103 2010/04/16 02:22:33 momjian Exp $ -->
<chapter id="maintenance">
<title>Routine Database Maintenance Tasks</title>
@@ -642,6 +642,12 @@ analyze threshold = analyze base threshold + analyze scale factor * number of tu
since the last <command>ANALYZE</command>.
</para>
<para>
Temporary tables cannot be accessed by autovacuum. Therefore,
appropriate vacuum and analyze operations should be performed via
session SQL commands.
</para>
<para>
The default thresholds and scale factors are taken from
<filename>postgresql.conf</filename>, but it is possible to override them