From 10afaf472a89f46ca0ac570bd88bdf4e40f42bed Mon Sep 17 00:00:00 2001
From: Bruce Momjian <bruce@momjian.us>
Date: Mon, 15 Mar 2004 14:15:45 +0000
Subject: Mention Linux syslog will sync lines to disk, and describe how to
 disable it.

---
 doc/src/sgml/maintenance.sgml | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

(limited to 'doc/src')

diff --git a/doc/src/sgml/maintenance.sgml b/doc/src/sgml/maintenance.sgml
index f8372b4f294..e1af27c6ee2 100644
--- a/doc/src/sgml/maintenance.sgml
+++ b/doc/src/sgml/maintenance.sgml
@@ -1,5 +1,5 @@
 <!--
-$PostgreSQL: pgsql/doc/src/sgml/maintenance.sgml,v 1.30 2003/12/14 00:10:32 neilc Exp $
+$PostgreSQL: pgsql/doc/src/sgml/maintenance.sgml,v 1.31 2004/03/15 14:15:45 momjian Exp $
 -->
 
 <chapter id="maintenance">
@@ -464,13 +464,19 @@ VACUUM
    rotation, the <application>logrotate</application> program can be
    configured to work with log files from
    <application>syslog</application>.
+  </para>
 
+  <para>
+   On many systems, however, <application>syslog</> is not very reliable,
+   particularly with large log messages; it may truncate or drop messages
+   just when you need them the most.  Also, on <productname>linux</>,
+   <appication>syslog</> will sync each message to disk, yielding poor
+   performance.  Use a <literal>-</> at the start of the file name
+   in the <application>syslog</> config file to disable this behavior.
   </para>
 
   <para>
-   On many systems, however, <application>syslog</> is not very reliable, particularly
-   with large log messages; it may truncate or drop messages just when
-   you need them the most. You may find it more useful to pipe the
+   You may find it more useful to pipe the
    <systemitem>stderr</> of the <command>postmaster</> to some type of
    log rotation program. If you start the server with
    <command>pg_ctl</>, then the <systemitem>stderr</> of the <command>postmaster</command>
-- 
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