Enabling and disabling the optimized large shopping cart order commands To improve the performance of large shopping carts, you can optimize the OrderItemAdd, OrderItemUpdate, OrderItemDisplay, and OrderCalculate commands. ProcedureTo enable the optimized code path: Edit the WebSphere Commerce configuration file. Add the following element in the <InstanceProperties> element: <OrderCommandOptimization com.ibm.commerce.orderitems.commands.OrderItemBaseCmdImpl="true" /> Propagate the changes to the WebSphere Commerce configuration file. Restart the WebSphere Commerce instance. To disable the optimized code path: Edit the WebSphere Commerce configuration file. Update the OrderCommandOptimization element for the OrderItemBaseCmdImpl such that its value is false: <OrderCommandOptimization com.ibm.commerce.orderitems.commands.OrderItemBaseCmdImpl="false" /> Propagate the changes to the WebSphere Commerce configuration file. Restart the WebSphere Commerce instance.