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| author | Neil Conway <neilc@samurai.com> | 2007-05-15 15:35:46 +0000 |
|---|---|---|
| committer | Neil Conway <neilc@samurai.com> | 2007-05-15 15:35:46 +0000 |
| commit | 513836c7aa9346e58cc44b44b0bb79b8258c3df4 (patch) | |
| tree | 0c2eafe08d8a634b41c59bba88045c152d764c43 | |
| parent | 3288d5a989daf954365abe43be4c43c75d77e784 (diff) | |
| download | postgresql-513836c7aa9346e58cc44b44b0bb79b8258c3df4.tar.gz postgresql-513836c7aa9346e58cc44b44b0bb79b8258c3df4.zip | |
Add a note to the documentation to clarify that even when
"autovacuum = off", the system may still periodically start autovacuum
processes to prevent XID wraparound. Patch from David Fetter, with
editorializing.
| -rw-r--r-- | doc/src/sgml/config.sgml | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml index 4d4200eb360..4fd93f5a30c 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 1.122 2007/04/20 02:37:37 tgl Exp $ --> +<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.123 2007/05/15 15:35:46 neilc Exp $ --> <chapter Id="runtime-config"> <title>Server Configuration</title> @@ -3172,6 +3172,12 @@ SELECT * FROM parent WHERE key = 2400; This parameter can only be set in the <filename>postgresql.conf</> file or on the server command line. </para> + <para> + Note that even when this parameter is disabled, the system + will periodically launch autovacuum processes in order to + prevent transaction ID wraparound. See <xref + linkend="vacuum-for-wraparound"> for more information. + </para> </listitem> </varlistentry> |