| 摘要 |
PROBLEM TO BE SOLVED: To provide a data management system which is easily adaptable to a change in data amounts while avoiding the duplicate management of data.SOLUTION: A computer system includes: a storage device for storing data; and a data management device for managing the data. When accepting a storage request for storing the data, the data management device generates first key information corresponding to the data, and stores the data in the storage device on the basis of the first key information, and generates second key information based on the data, and manages the first key information on the basis of the second key information, and when accepting the acquisition request of the data including the second key information, specifies the first key information on the basis of the second key information, and acquires the data from the storage device on the basis of the specified first key information. |
