1. A method comprising: receiving, into a capacity planning tool executed in a computer system, configuration information for at least one streaming media server, wherein the configuration information comprises a single file benchmark and a unique file benchmark for the at least one streaming media server, wherein the single file benchmark measures a streaming media server capacity when all clients in a test workload are accessing a single file, and wherein the unique file benchmark measures the streaming media server capacity when each client in the test workload is accessing a different file; receiving, into said capacity planning tool, workload information for a workload of client accesses of streaming media files from a server; and said capacity planning tool evaluating, based on said configuration information, a capacity of the at least one streaming media server for supporting the workload.