A distributed processing device includes receiving unit receives a plurality of process requests to records stored on a database, an acquiring unit acquires execution frequency of each processes responsive to the plurality of process requests related to a record identified by an attribute name, on a per attribute name basis of a plurality of attribute names, each attribute name identifying each of the plurality of records, sorting unit sorts the plurality of process requests into a first set and a second set in accordance with the acquired execution frequency of each process on each of the plurality of attribute names, a determining unit determines a first node, serving as an allocation destination of the process request sorted in the first set, from among a plurality of nodes, each node having the database, and an allocating unit allocates the process request sorted in the first set to the first node.