Resource assignment manager and resource assignment method

摘要

In a system in which requests to an application are distributed to computers on which the application in question is executed, computers are managed so as to prevent lowering of the service level of each application. ;A resource assignment manager 1 manages specifications of server computers 3. Further, the resource assignment manager 1 manages, for each application, correspondence between specifications of a server computer 3 and the number of processed requests in the case where the application in question is executed on a server computer 3 having those specifications. For each application, the resource assignment manager 1 monitors the number of received requests and the number of processed requests on server computers 3 to which the application in question, to specify an application deficient in resources. Then, the resource assignment manager 1 determines server computers 3 that are assigned additionally to the specified application, based on the required resource amount for the specified application, specifications of each of pooled server computers 3, and the correspondence between specifications of a server computer 3 and the number of processed requests expected when the specified application is executed on a server computer 3 having those specifications.