<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).<br/>
+ messages, the default value is <code>6</code>(synchronous).<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.