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 03:57:52 +00:00
parent d015e14880
commit 76f46f5cf6

View File

@ -1,4 +1,4 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.98.2.2 2007/01/20 21:30:35 momjian Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.98.2.3 2007/02/08 03:57:52 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>