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Posted to cvs@httpd.apache.org by co...@apache.org on 2009/09/13 15:44:15 UTC
svn commit: r814313 - in /httpd/httpd/branches/2.2.x/docs/manual/mod:
mod_mem_cache.html.en mod_mem_cache.xml
Author: covener
Date: Sun Sep 13 13:44:15 2009
New Revision: 814313
URL: http://svn.apache.org/viewvc?rev=814313&view=rev
Log:
Provide a hint to those stuck with mod_mem_cache about coping with the per-process limitation.
Add detail about another deficiency relative to disk_cache [1 variant at a time].
PR 47783
Reported By: Stoehr Sukachevin
Modified:
httpd/httpd/branches/2.2.x/docs/manual/mod/mod_mem_cache.html.en
httpd/httpd/branches/2.2.x/docs/manual/mod/mod_mem_cache.xml
Modified: httpd/httpd/branches/2.2.x/docs/manual/mod/mod_mem_cache.html.en
URL: http://svn.apache.org/viewvc/httpd/httpd/branches/2.2.x/docs/manual/mod/mod_mem_cache.html.en?rev=814313&r1=814312&r2=814313&view=diff
==============================================================================
--- httpd/httpd/branches/2.2.x/docs/manual/mod/mod_mem_cache.html.en (original)
+++ httpd/httpd/branches/2.2.x/docs/manual/mod/mod_mem_cache.html.en Sun Sep 13 13:44:15 2009
@@ -42,7 +42,11 @@
<div class="note"><h3>Note</h3>In most cases <code class="module"><a href="../mod/mod_disk_cache.html">mod_disk_cache</a></code>
should be the preferred choice. This is explained further in the <a href="../caching.html#inmemory">Caching Guide</a>. In particular,
- this module's cache is <em>per-process</em>.</div>
+ this module's cache is <em>per-process</em>, which can be partially
+ mitigated by configuring threaded MPMS to use fewer child processes
+ via configuration of larger values for <code class="directive"><a href="../mod/mpm_common.html#threadsperchild">ThreadsPerChild</a></code>. This module's cache is
+ also limited to storing a single variant (see HTTP Vary: header) of each
+ resource in the cache.</div>
</div>
<div id="quickview"><h3 class="directives">Directives</h3>
<ul id="toc">
Modified: httpd/httpd/branches/2.2.x/docs/manual/mod/mod_mem_cache.xml
URL: http://svn.apache.org/viewvc/httpd/httpd/branches/2.2.x/docs/manual/mod/mod_mem_cache.xml?rev=814313&r1=814312&r2=814313&view=diff
==============================================================================
--- httpd/httpd/branches/2.2.x/docs/manual/mod/mod_mem_cache.xml (original)
+++ httpd/httpd/branches/2.2.x/docs/manual/mod/mod_mem_cache.xml Sun Sep 13 13:44:15 2009
@@ -45,7 +45,12 @@
<note><title>Note</title>In most cases <module>mod_disk_cache</module>
should be the preferred choice. This is explained further in the <a
href="../caching.html#inmemory">Caching Guide</a>. In particular,
- this module's cache is <em>per-process</em>.</note>
+ this module's cache is <em>per-process</em>, which can be partially
+ mitigated by configuring threaded MPMS to use fewer child processes
+ via configuration of larger values for <directive
+ module="mpm_common">ThreadsPerChild</directive>. This module's cache is
+ also limited to storing a single variant (see HTTP Vary: header) of each
+ resource in the cache.</note>
</summary>
<seealso><module>mod_cache</module></seealso>
<seealso><module>mod_disk_cache</module></seealso>