| 摘要 |
PROBLEM TO BE SOLVED: To provide a technique of improving the efficiency of utilizing blocks that have been read out in data access that uses processing for reading a requested block together with a block in the vicinity thereof.SOLUTION: An access control program causes a computer to read continuous blocks containing a first block containing first data from a first storage unit in which storage area is managed in units of blocks in response to an access request for the first data, load the continuous blocks into a memory area in which storage area is managed in units of pages, nullify the continuous blocks of the first storage unit, and execute processing for writing in a continuous free space of the first storage unit a page pushed out from the memory area due to the loading of the continuous blocks in the memory area according to the access state of the page in the memory area.SELECTED DRAWING: Figure 4 |
