Data relocation system, data relocation apparatus, and data relocation method

摘要

PROBLEM TO BE SOLVED: To automatically perform optimal data rearrangement of data held in a distributed manner.SOLUTION: An accommodation device 10a includes a rearrangement destination determination unit 12 and a data rearrangement unit 13. The rearrangement destination determination unit 12 determines that, among a plurality of accommodation devices, an accommodation device about which the total value of communication costs from a plurality of opposite devices connected with any of the plurality of accommodation devices is the smallest is an accommodation device to be a rearrangement destination of data held by any accommodation device. The data rearrangement unit 13 rearranges the data to the accommodation device determined by the rearrangement destination determination unit 12.SELECTED DRAWING: Figure 2