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Subject: svn commit: r1657854 - /httpd/httpd/trunk/docs/manual/logs.xml
Date: Fri, 06 Feb 2015 15:08:43 -0000
To: cvs@httpd.apache.org
From: covener@apache.org
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Message-Id: <20150206150843.6BF30AC01DA@hades.apache.org>
Author: covener
Date: Fri Feb 6 15:08:43 2015
New Revision: 1657854
URL: http://svn.apache.org/r1657854
Log:
PR57094: Provide some hints about Windows problems
with more than a few dozen piped loggers.
Submitted by: Edward Lu
Modified:
httpd/httpd/trunk/docs/manual/logs.xml
Modified: httpd/httpd/trunk/docs/manual/logs.xml
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/docs/manual/logs.xml?rev=1657854&r1=1657853&r2=1657854&view=diff
==============================================================================
--- httpd/httpd/trunk/docs/manual/logs.xml (original)
+++ httpd/httpd/trunk/docs/manual/logs.xml Fri Feb 6 15:08:43 2015
@@ -594,10 +594,6 @@ LogFormat "%!200,304,302{Referer}i" refe
for the access log, the same technique can be used for the
error log.
- A similar but much more flexible log rotation program
- called cronolog
- is available at an external site.
-
As with conditional logging, piped logs are a very powerful
tool, but they should not be used where a simpler solution like
off-line post-processing is available.
@@ -618,6 +614,18 @@ CustomLog "|$/usr/local/apache/bin/rotat
For compatibility reasons with Apache 2.2 the notation
"||
" is also supported and equivalent to using
"|
".
+
+ Windows note
+ Note that on Windows, you may run into problems when running many piped
+ logger processes, especially when HTTPD is running as a service. This is
+ caused by running out of desktop heap space. The desktop heap space given
+ to each service is specified by the third argument to the
+ SharedSection
parameter in the
+ HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\SessionManager\SubSystems\Windows
+ registry value. Change this value with care; the normal
+ caveats for changing the Windows registry apply, but you might also exhaust
+ the desktop heap pool if the number is adjusted too high.
+