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From rj...@apache.org
Subject svn commit: r580808 - in /tomcat/connectors/trunk/jk/xdocs: miscellaneous/changelog.xml reference/apache.xml
Date Sun, 30 Sep 2007 23:12:01 GMT
Author: rjung
Date: Sun Sep 30 16:11:59 2007
New Revision: 580808

URL: http://svn.apache.org/viewvc?rev=580808&view=rev
Log:
Small additions to JkShmFile documentation.
Contributed by Gerhardus Geldenhuis.

Modified:
    tomcat/connectors/trunk/jk/xdocs/miscellaneous/changelog.xml
    tomcat/connectors/trunk/jk/xdocs/reference/apache.xml

Modified: tomcat/connectors/trunk/jk/xdocs/miscellaneous/changelog.xml
URL: http://svn.apache.org/viewvc/tomcat/connectors/trunk/jk/xdocs/miscellaneous/changelog.xml?rev=580808&r1=580807&r2=580808&view=diff
==============================================================================
--- tomcat/connectors/trunk/jk/xdocs/miscellaneous/changelog.xml (original)
+++ tomcat/connectors/trunk/jk/xdocs/miscellaneous/changelog.xml Sun Sep 30 16:11:59 2007
@@ -43,6 +43,10 @@
   <br />
   <subsection name="Native">
     <changelog>
+      <update>
+        Documentation: Small additions to JkShmFile documentation.
+        Contributed by Gerhardus Geldenhuis. (rjung)
+      </update>
       <fix>
         AJP13: Ignore flush packets before we received the response headers. (rjung)
       </fix>

Modified: tomcat/connectors/trunk/jk/xdocs/reference/apache.xml
URL: http://svn.apache.org/viewvc/tomcat/connectors/trunk/jk/xdocs/reference/apache.xml?rev=580808&r1=580807&r2=580808&view=diff
==============================================================================
--- tomcat/connectors/trunk/jk/xdocs/reference/apache.xml (original)
+++ tomcat/connectors/trunk/jk/xdocs/reference/apache.xml Sun Sep 30 16:11:59 2007
@@ -80,12 +80,26 @@
 </p></attribute>
 <attribute name="JkShmFile" required="false"><p>
 Shared memory file name. Used only on unix platforms.
+The shm file is used by balancer and status workers.
 <br/>
 This directive is only allowed once. It must be put into
  the global part of the configuration.
 <br/>
 The default value is logs/jk-runtime-status.
-</p></attribute>
+It is highly recommended that the shm file be placed on a local
+drive and not an NFS share.
+</p>
+<p>
+The shared memory contains configuration and runtime information for load balancer
+workers and their members. It is need in order that all apache children
+<ul>
+<li>share the same status information for load balancing members (OK, ERROR, ...),</li>
+<li>share the information about load taken by the individual workers,</li>
+<li>share the information for the parts of the configuration, which are changeable
+during runtime by status workers.</li>
+</ul>
+</p>
+</attribute>
 <attribute name="JkShmSize" required="false"><p>
 Size of the shared memory file name.
 <br/>



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