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From rpl...@apache.org
Subject svn commit: r453630 - /httpd/httpd/trunk/docs/manual/mod/mod_proxy_balancer.xml
Date Fri, 06 Oct 2006 15:03:08 GMT
Author: rpluem
Date: Fri Oct  6 08:03:08 2006
New Revision: 453630

URL: http://svn.apache.org/viewvc?view=rev&rev=453630
Log:
* mod_proxy_balancer: Document BALANCER_ROUTE_CHANGED environment variable.

Submitted by: Brian Rectanus <brectanu gmail.com>
Reviewed by: rpluem

Modified:
    httpd/httpd/trunk/docs/manual/mod/mod_proxy_balancer.xml

Modified: httpd/httpd/trunk/docs/manual/mod/mod_proxy_balancer.xml
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/docs/manual/mod/mod_proxy_balancer.xml?view=diff&rev=453630&r1=453629&r2=453630
==============================================================================
--- httpd/httpd/trunk/docs/manual/mod/mod_proxy_balancer.xml (original)
+++ httpd/httpd/trunk/docs/manual/mod/mod_proxy_balancer.xml Fri Oct  6 08:03:08 2006
@@ -273,10 +273,10 @@
 
 <section id="environment">
     <title>Exported Environment Variables</title>
-    <p>At present there are 5 environment variables exported:</p>
-    
-    <!-- ============= BALANCER_SESSION_STICKY =============== -->
+    <p>At present there are 6 environment variables exported:</p>
+
     <dl>
+    <!-- ============= BALANCER_SESSION_STICKY =============== -->
     <dt><var><a name="balancer_session_sticky" id="balancer_session_sticky">BALANCER_SESSION_STICKY</a></var></dt>
     <dd>
     <p>This is assigned the <var>stickysession</var> value used in the
current
@@ -309,6 +309,16 @@
     <dd>
     <p>This is assigned the <var>route</var> of the worker that will be

     used for the current request.</p>
+    </dd>
+
+    <!-- ============= BALANCER_ROUTE_CHANGED ================= -->
+    <dt><var><a name="balancer_route_changed" id="balancer_route_changed">BALANCER_ROUTE_CHANGED</a></var></dt>
+    <dd>
+    <p>This is set to 1 if the session route does not match the
+    worker route (BALANCER_SESSION_ROUTE != BALANCER_WORKER_ROUTE) or the
+    session does not yet have an established route.  This can be used to
+    determine when/if the client needs to be sent an updated route
+    when sticky sessions are used.</p>
     </dd>
     </dl>
 



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