To distribute loads.

A load distribution system of an embodiment comprises a plurality of database servers and database access devices. Each of the plurality of database servers includes association storage means. The association storage means stores identification information and associated information associating with each other. The plurality of association storage means store the same identification information. The database access devices each include selection means, update request means, identification information storage means, and readout request means. The selection means selects a database server. The update request means requests the update of associated information having been associated with identification information and association storage means, to the selected database server. The identification information storage means stores identification information and database identification information associating with each other. The readout request means reads out the associated information that has been associated with the identification information by the association storage means from the database server identified with the database identification information that has been associated with the identification information by the identification information storage means.