Patent ID: 7167914

Claim:
A method of migrating data items, each of said data items being associated with an identifier, said method comprising the acts of: storing an adjustable throttle value; for a first of said data items, computing a first index value based on an identifier associated with said first data item; determining that the relationship between said first index value and said throttle value meets pre-determined criteria; and copying said first data item to a data store, wherein each of said data items comprises customization information for a web page, each of said data items being stored on a computing device to which the customization relates, said method further comprising the acts of: providing a web page to a first one of the computing device based at least in part on information copied to said data store; adjusting said throttle value downward; determining that said the relationship between said first index value and the downward-adjusted throttle value does not meet said pre-determined criteria; and providing a web page to one of the computing devices without using the information copied to said data store.