The power in Azure comes from running multiple instances of a single role and distributing the computational load. It is important to understand how to configure the size and number of instances of a role that should be initialized.
The following steps will explain how this can be done within the Visual Studio 2010:
1. Stop debugging the application and return to Visual Studio 2010.
2. Inside the Azure project Chapter3Exercise1, right-click on WebRole1, and select Properties.
The VM size has no effect on the compute emulator, as you are still constrained by the local development machine. The VM size setting is used when the package is deployed onto the Windows Azure servers. It defines the number of CPUs and amounts of RAM allocated to each instance. These settings determine the charges Microsoft will accrue...