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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

Small additions to JkShmFile documentation.
Contributed by Gerhardus Geldenhuis.


Modified: tomcat/connectors/trunk/jk/xdocs/miscellaneous/changelog.xml
--- 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">
+      <update>
+        Documentation: Small additions to JkShmFile documentation.
+        Contributed by Gerhardus Geldenhuis. (rjung)
+      </update>
         AJP13: Ignore flush packets before we received the response headers. (rjung)

Modified: tomcat/connectors/trunk/jk/xdocs/reference/apache.xml
--- 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 @@
 <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.
 This directive is only allowed once. It must be put into
  the global part of the configuration.
 The default value is logs/jk-runtime-status.
+It is highly recommended that the shm file be placed on a local
+drive and not an NFS share.
+The shared memory contains configuration and runtime information for load balancer
+workers and their members. It is need in order that all apache children
+<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>
 <attribute name="JkShmSize" required="false"><p>
 Size of the shared memory file name.

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