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-rw-r--r--doc/src/sgml/config.sgml20
1 files changed, 12 insertions, 8 deletions
diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml
index 069ab9a8fb..b3b65f5f0d 100644
--- a/doc/src/sgml/config.sgml
+++ b/doc/src/sgml/config.sgml
@@ -1,4 +1,4 @@
-<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.209 2009/02/22 23:50:30 tgl Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.210 2009/02/24 12:09:08 petere Exp $ -->
<chapter Id="runtime-config">
<title>Server Configuration</title>
@@ -2398,17 +2398,21 @@ local0.* /var/log/postgresql
so <literal>%</literal>-escapes can be used to specify time-varying
file names. (Note that if there are
any time-zone-dependent <literal>%</literal>-escapes, the computation
- is done in the zone specified by <xref linkend="guc-log-timezone">.)
- If no <literal>%</literal>-escapes are present,
- <productname>PostgreSQL</productname> will append the epoch of the new
- log file's creation time. For example, if
- <varname>log_filename</varname> were <literal>server_log</literal>,
- then the chosen file name would be <literal>server_log.1093827753</>
- for a log starting at Sun Aug 29 19:02:33 2004 MST.
+ is done in the zone specified
+ by <xref linkend="guc-log-timezone">.)
Note that the system's <systemitem>strftime</systemitem> is not used
directly, so platform-specific (nonstandard) extensions do not work.
</para>
<para>
+ If you specify a file name without escapes, you should plan to
+ use a log rotation utility to avoid eventually filling the
+ entire disk. In releases prior to 8.4, if
+ no <literal>%</literal> escapes were
+ present, <productname>PostgreSQL</productname> would append
+ the epoch of the new log file's creation time, but this is no
+ longer the case.
+ </para>
+ <para>
If CSV-format output is enabled in <varname>log_destination</>,
<literal>.csv</> will be appended to the timestamped
log file name to create the file name for CSV-format output.