CACHE CONTROL METHOD, CACHE CONTROL DEVICE, AND PROGRAM FOR CACHE CONTROL

PROBLEM TO BE SOLVED: To provide a cache control method capable of suppressing deterioration of processing performance even if receiving a large amount of data, when processing the received data by writing it in a cache memory.SOLUTION: Area setting means 81 sets a writing area, to which a predetermined amount of received data is writable, to a cache memory. Area deletion means 82 deletes an area to which received data of an object of processing is written, for each processing to a part or all of the received data written in the writing area. The area setting means 81 newly sets an area of an amount which corresponds to the deleted area as an area to which received data is writable in a position to which received data to be received after having received the predetermined amount of received data is written, for each processing to the received data.