A computer-readable recording medium storing a data processing program that causes a computer of a group of mutually communicable computers to execute, an acquisition procedure configured, when a processing request for an arbitrary data is inputted, to acquire the number of replicas set in the arbitrary data, a selection procedure configured to select computers, which serve as arrangement destinations of the arbitrary data and are as many as the number of replicas, from the computers of the computer group by using a predetermined algorithm, a transmission procedure of the number of replicas, configured to transmit the number of replicas of the arbitrary data, which number is acquired by the acquisition procedure, to all the computers of the computer group, and a processing request transmission procedure configured to transmit the processing request to each the computers that are selected by the selection procedure and as many as the number of replicas.