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+$PostgreSQL: pgsql/doc/src/sgml/maintenance.sgml,v 1.36 2004/07/24 19:51:22 tgl Exp $
-->
<chapter id="maintenance">
The simplest production-grade approach to managing log output is to
send it all to <application>syslog</> and let
<application>syslog</> deal with file rotation. To do this, set the
- configurations parameter <literal>log_destination</> to 'syslog' (to log to
+ configuration parameter <literal>log_destination</> to 'syslog' (to log to
<application>syslog</> only) in <filename>postgresql.conf</>. Then
you can send a <literal>SIGHUP</literal> signal to the
<application>syslog</> daemon whenever you want to force it to
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-$PostgreSQL: pgsql/doc/src/sgml/runtime.sgml,v 1.269 2004/07/11 00:18:40 momjian Exp $
+$PostgreSQL: pgsql/doc/src/sgml/runtime.sgml,v 1.270 2004/07/24 19:51:22 tgl Exp $
-->
<Chapter Id="runtime">
<listitem>
<para>
<productname>PostgreSQL</productname> supports several methods
- for loggning, including <systemitem>stderr</systemitem> and
+ for logging server messages, including
+ <systemitem>stderr</systemitem> and
<systemitem>syslog</systemitem>. On Windows,
<systemitem>eventlog</systemitem> is also supported. Set this
- option to a list of desired log destinations separated by a
- comma. The default is to log to <systemitem>stderr</systemitem>
- only. This option must be set at server start.
+ option to a list of desired log destinations separated by
+ commas. The default is to log to <systemitem>stderr</systemitem>
+ only.
</para>
</listitem>
</varlistentry>
<term><varname>syslog_facility</varname> (<type>string</type>)</term>
<listitem>
<para>
- This option determines the <application>syslog</application>
- <quote>facility</quote> to be used when logging via
- <application>syslog</application> is enabled. You may choose
+ If logging to <application>syslog</> is enabled, this option
+ determines the <application>syslog</application>
+ <quote>facility</quote> to be used. You may choose
from <literal>LOCAL0</>, <literal>LOCAL1</>,
<literal>LOCAL2</>, <literal>LOCAL3</>, <literal>LOCAL4</>,
<literal>LOCAL5</>, <literal>LOCAL6</>, <literal>LOCAL7</>;
the default is <literal>LOCAL0</>. See also the
documentation of your system's
- <application>syslog</application>.
+ <application>syslog</application> daemon.
+ This option can only be set at server start.
</para>
</listitem>
</varlistentry>
If logging to <application>syslog</> is enabled, this option
determines the program name used to identify
<productname>PostgreSQL</productname> messages in
- <application>syslog</application> log messages. The default is
+ <application>syslog</application> logs. The default is
<literal>postgres</literal>.
+ This option can only be set at server start.
</para>
</listitem>
</varlistentry>
* Written by Peter Eisentraut <peter_e@gmx.net>.
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.223 2004/07/21 20:34:46 momjian Exp $
+ * $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.224 2004/07/24 19:51:23 tgl Exp $
*
*--------------------------------------------------------------------
*/
},
{
- {"log_destination", PGC_POSTMASTER, LOGGING_WHERE,
- gettext_noop("Sets the target for log output."),
+ {"log_destination", PGC_SIGHUP, LOGGING_WHERE,
+ gettext_noop("Sets the destination for server log output."),
gettext_noop("Valid values are combinations of stderr, syslog "
"and eventlog, depending on platform."),
GUC_LIST_INPUT
}
}
+ if (doit)
+ Log_destination = newlogdest;
+
pfree(rawstring);
list_free(elemlist);
- /* If we aren't going to do the assignment, just return OK indicator. */
- if (!doit)
- return value;
-
- Log_destination = newlogdest;
-
return value;
}