With the Google Fusion Tables PHP SDK by Google, developers can interact with the API via Api Key and OAuth 2.0. Resources explain how to build the client object, build the service object, call the API, and handle the result. Includes Google App Engine support.
Throwing hardware at performance issues is a time honored tradition among developers. In most recent times, the type of hardware being thrown at those problems is Flash memory that comes in a wide variety of formats. The challenge, of course, is that most existing applications were written for magnetic storage. To take advantage of Flash storage developers frequently have to rework their applications.