Method and apparatus for data processing, and computer product

摘要

A data processing apparatus includes a receiving unit that receives a plurality of pieces of data, each of which having a different destination specified; a classifying unit that classifies the plurality of pieces of data into a predetermined number of groups; a sorting unit that extracts data from the groups in a parallel manner, and that sorts the data extracted according to a destination; and an output unit that outputs a set of the data sorted to a corresponding destination.