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Document that wal_sync_method open_* methods use O_DIRECT, if available. 

Backpatch to 8.2.X.
This commit is contained in:
Bruce Momjian 2007-02-08 03:56:42 +00:00
parent 9e9e387ecf
commit d78f76896b
1 changed files with 2 additions and 1 deletions
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doc/src/sgml/config.sgml
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@ -1,4 +1,4 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.108 2007/02/01 00:28:16 momjian Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.109 2007/02/08 03:56:42 momjian Exp $ -->
<chapter Id="runtime-config">
<title>Server Configuration</title>
@ -1385,6 +1385,7 @@ SET ENABLE_SEQSCAN TO OFF;
Not all of these choices are available on all platforms.
The default is the first method in the above list that is supported
by the platform.
The <literal>open_</>* options also use <literal>O_DIRECT</> if available.
This parameter can only be set in the <filename>postgresql.conf</>
file or on the server command line.
</para>