1. An apparatus for performance requirement estimation, the apparatus comprising: a memory; and a processor coupled to the memory and configured to execute a distribution processing that includes distributing a use amount per unit time with respect to resources in each of a plurality of first machines included in a system to each of processing classifications in accordance with use information and demand information, in which the system is configured to execute processes pertaining to each of the processing classifications, in which the use information indicates the use amount with respect to the resources in each of the plurality of first machines when each of the plurality of first machines is used in executing the processes pertaining to each of the processing classifications, and in which the demand information indicates the number of demands per unit time with respect to the processes pertaining to each of the processing classifications, execute a creation processing that includes creating a model corresponding to each of the processing classifications in accordance with both of system performance information and the use amount distributed to each of the processing classifications, in which the model is configured to output a performance value with respect to the processes pertaining to each of the processing classifications in accordance with an input indicating the amount of resources to be distributed for performing the processes, and in which the system performance information indicates a performance value per unit time with respect to the processes pertaining to each of the processing classifications in the system, execute a determination processing that includes acquiring system performance requirement information indicating requirements of a performance value with respect to the processes pertaining to each of the processing classifications, acquiring resource information indicating the amount of resources with respect to a plurality of second machines included in a new system to be configured to perform the processes pertaining to each of the processing classifications, and determining whether or not the new system satisfies the requirements of the performance value with respect to the processes pertaining to each of the processing classifications in accordance with the model, the system performance requirement information, and the resource information, and execute an output processing that includes outputting a determination result obtained by the determination processing.