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Posted to cvs@httpd.apache.org by co...@apache.org on 2022/11/09 21:12:59 UTC
svn commit: r1905209 - /httpd/httpd/trunk/docs/manual/programs/rotatelogs.xml
Author: covener
Date: Wed Nov 9 21:12:59 2022
New Revision: 1905209
URL: http://svn.apache.org/viewvc?rev=1905209&view=rev
Log:
add an example where the filename doesnt change
also expand on conditions that authors of post-rotation programs might need to know
Modified:
httpd/httpd/trunk/docs/manual/programs/rotatelogs.xml
Modified: httpd/httpd/trunk/docs/manual/programs/rotatelogs.xml
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/docs/manual/programs/rotatelogs.xml?rev=1905209&r1=1905208&r2=1905209&view=diff
==============================================================================
--- httpd/httpd/trunk/docs/manual/programs/rotatelogs.xml (original)
+++ httpd/httpd/trunk/docs/manual/programs/rotatelogs.xml Wed Nov 9 21:12:59 2022
@@ -72,15 +72,22 @@ which is the <directive module="core">Se
<dt><code>-p</code> <var>program</var></dt>
-<dd>If given, <code>rotatelogs</code> will execute the specified
+<dd><p>If given, <code>rotatelogs</code> will execute the specified
program every time a new log file is opened. The filename of the
newly opened file is passed as the first argument to the program. If
executing after a rotation, the old log file is passed as the second
-argument. <code>rotatelogs</code> does not wait for the specified
+argument.</p>
+<p> <code>rotatelogs</code> does not wait for the specified
program to terminate before continuing to operate, and will not log
-any error code returned on termination. The spawned program uses the
+any error code returned on termination.</p>
+<p>The spawned program uses the
same stdin, stdout, and stderr as rotatelogs itself, and also inherits
-the environment.</dd>
+the environment.</p>
+<p>When two parameters are provided, under some conditions the parameters
+will have the same value. For example, if rotation is triggerd but the
+portions of the time and date incorporated into the log filename do not change
+across the rotation.</p>
+</dd>
<dt><code>-f</code></dt>
<dd>Causes the logfile to be opened immediately, as soon as
@@ -211,6 +218,20 @@ an offset.</dd>
<p>This creates the files /var/log/logfile.yyyy.mm.dd where
yyyy is the year, mm is the month, and dd is the day of the month.
Logging will switch to a new file every day at midnight, local time.</p>
+
+ <example>
+<highlight language="config">
+ CustomLog "|bin/rotatelogs -l /var/log/logfile.%Y.%m 86400" common
+</highlight>
+</example>
+
+ <p>This creates the files /var/log/logfile.yyyy.mm where
+ yyyy is the year and mm is the month. Every day at midnight, rotation
+ will occur, including running programs specified with <code>-p</code>.
+ Despite rotation ocurring, the filename will only change on the first
+ rotation of the month. Rotation on other days will continue to output file
+ and append to it.
+ </p>
<example>
<highlight language="config">