From 487b757b7a0b560cbb612164a66888cd5421e124 Mon Sep 17 00:00:00 2001
From: Bruce Momjian <bruce@momjian.us>
Date: Tue, 9 Aug 2005 04:50:44 +0000
Subject: [PATCH] Clarify wal_sync_method options in documentation.
---
doc/src/sgml/runtime.sgml | 39 +++++++++++++++++++++++++------
src/interfaces/libpq/fe-connect.c | 4 ++--
2 files changed, 34 insertions(+), 9 deletions(-)
diff --git a/doc/src/sgml/runtime.sgml b/doc/src/sgml/runtime.sgml
index 91071ddc4ec..299fc28a7db 100644
--- a/doc/src/sgml/runtime.sgml
+++ b/doc/src/sgml/runtime.sgml
@@ -1,5 +1,5 @@
<!--
-$PostgreSQL: pgsql/doc/src/sgml/runtime.sgml,v 1.341 2005/07/30 17:15:35 momjian Exp $
+$PostgreSQL: pgsql/doc/src/sgml/runtime.sgml,v 1.342 2005/08/09 04:50:43 momjian Exp $
-->
<chapter Id="runtime">
@@ -1724,13 +1724,38 @@ SET ENABLE_SEQSCAN TO OFF;
<listitem>
<para>
Method used for forcing WAL updates out to disk. Possible
- values are
- <literal>fsync</> (call <function>fsync()</> at each commit),
- <literal>fdatasync</> (call <function>fdatasync()</> at each commit),
- <literal>fsync_writethrough</> (force write-through of any disk write cache),
- <literal>open_sync</> (write WAL files with <function>open()</> option <symbol>O_SYNC</>), and
- <literal>open_datasync</> (write WAL files with <function>open()</> option <symbol>O_DSYNC</>).
+ values are:
+ </para>
+ <itemizedlist>
+ <listitem>
+ <para>
+ <literal>open_datasync</> (write WAL files with <function>open()</> option <symbol>O_DSYNC</>)
+ </para>
+ </listitem>
+ <listitem>
+ <para>
+ <literal>fdatasync</> (call <function>fdatasync()</> at each commit),
+ </para>
+ </listitem>
+ <listitem>
+ <para>
+ <literal>fsync</> (call <function>fsync()</> at each commit)
+ </para>
+ </listitem>
+ <listitem>
+ <para>
+ <literal>open_sync</> (write WAL files with <function>open()</> option <symbol>O_SYNC</>)
+ </para>
+ </listitem>
+ <listitem>
+ <para>
+ <literal>fsync_writethrough</> (force write-through of any disk write cache)
+ </para>
+ </listitem>
+ </itemizedlist>
+ <para>
Not all of these choices are available on all platforms.
+ The top-most supported option is used as the default.
If <varname>fsync</varname> is off then this setting is irrelevant.
This option can only be set at server start or in the
<filename>postgresql.conf</filename> file.
diff --git a/src/interfaces/libpq/fe-connect.c b/src/interfaces/libpq/fe-connect.c
index 4da59226b78..869cad6c662 100644
--- a/src/interfaces/libpq/fe-connect.c
+++ b/src/interfaces/libpq/fe-connect.c
@@ -1,4 +1,4 @@
-/*-------------------------------------------------------------------------
+conninfo_parse/*-------------------------------------------------------------------------
*
* fe-connect.c
* functions related to setting up a connection to the backend
@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/interfaces/libpq/fe-connect.c,v 1.314 2005/07/13 15:25:55 tgl Exp $
+ * $PostgreSQL: pgsql/src/interfaces/libpq/fe-connect.c,v 1.315 2005/08/09 04:50:44 momjian Exp $
*
*-------------------------------------------------------------------------
*/
--
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