Author: markt
Date: Wed Jul 21 10:58:56 2010
New Revision: 966177
URL: http://svn.apache.org/viewvc?rev=966177&view=rev
Log:
Add note about message processing order.
Modified:
tomcat/trunk/webapps/docs/config/cluster-manager.xml
tomcat/trunk/webapps/docs/config/cluster.xml
Modified: tomcat/trunk/webapps/docs/config/cluster-manager.xml
URL:
http://svn.apache.org/viewvc/tomcat/trunk/webapps/docs/config/cluster-manager.xml?rev=966177&r1=966176&r2=966177&view=diff
==============================================================================
--- tomcat/trunk/webapps/docs/config/cluster-manager.xml (original)
+++ tomcat/trunk/webapps/docs/config/cluster-manager.xml Wed Jul 21 10:58:56
2010
@@ -110,8 +110,12 @@
<subsection name="org.apache.catalina.ha.session.BackupManager Attributes">
<attributes>
<attribute name="mapSendOptions" required="false">
- The backup manager uses a replicated map, this map is sending and
receiving messages.
- You can setup the flag for how this map is sending messages, the
default value is <code>6</code>(asynchronous).
+ The backup manager uses a replicated map, this map is sending and
+ receiving messages. You can setup the flag for how this map is sending
+ messages, the default value is <code>6</code>(asynchronous).<br/>
+ Note that if you use asynchronous messaging it is possible for update
+ messages for a session to be processed by the receiving node in a
+ different order to the order in which they were sent.
</attribute>
</attributes>
</subsection>
Modified: tomcat/trunk/webapps/docs/config/cluster.xml
URL:
http://svn.apache.org/viewvc/tomcat/trunk/webapps/docs/config/cluster.xml?rev=966177&r1=966176&r2=966177&view=diff
==============================================================================
--- tomcat/trunk/webapps/docs/config/cluster.xml (original)
+++ tomcat/trunk/webapps/docs/config/cluster.xml Wed Jul 21 10:58:56 2010
@@ -125,6 +125,9 @@
<code>Channel.SEND_OPTIONS_ASYNCHRONOUS = 0x0008</code><br/>
<code>Channel.SEND_OPTIONS_USE_ACK = 0x0002</code><br/>
So to use ACK and ASYNC messaging, the flag would be <code>10 (8+2) or
0x000B</code><br/>
+ Note that if you use ASYNC messaging it is possible for update messages
+ for a session to be processed by the receiving nodes in a different order
+ to the order in which they were sent.
</p>
</attribute>
<attribute name="channelStartOptions" required="false">
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