Session communication is used to exchange information between the dispatcher and a server in one cluster group. You can use this procedure to modify the default settings of the session communication.
We recommend that you do not modify the default session communication settings unless you are officially advised to do so by SAP support.
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1. Start the J2EE Engine Visual Administrator.
2. Choose Dispatcher/Server → Kernel → Cluster Manager → Properties tab.
3. Modify the value of the session.message.queue.size property.
This property defines the size of the session layer queue. It can be changed for optimization purposes.
4. Choose Save Properties to save your changes.