1. A method of managing a grid computing environment including steps of: performing portions of a data processing request using respective resources of said grid computing environment; periodically storing data records from respective resources performing said portions of said data processing request, said data records corresponding to performance of respective ones of said respective resources and characteristics of said job portions; retrieving selected data records in accordance with data stored in said data records; and processing data retrieved in said retrieving step to produce processed performance data as historical performance statistics.