| 摘要 |
<p>PROBLEM TO BE SOLVED: To smoothly execute data processing using a backup.SOLUTION: Provided is a data processing system including a node in which data used for supplying a service to a user group is held in units of one or more users constituting part of the user group, and a routing manager for executing, in response to a data access request from the one or more users, routing to a node in which data of the one or more users is stored. The node includes a first node for holding the master data of the one or more users, a second node for holding slave data replicated from the master data, and a third node. The routing manager further changes the slave data held in the second node to the master data, and replicates the slave data and have it held as new slave data in the third node.</p> |
