Patent ID: 7284014
Filing Date: 2007-10-16
Classification: G06F,Y10S

Abstract:
1. A computer system comprising: a first computer connected to a client; a storage device which includes a cache memory and is connected to said first computer; and a second computer which is connected separately and directly to said first computer and said storage device, wherein said first computer executes a database management program, wherein said storage device stores a database, wherein said second computer instructs said storage device to prefetch data stored in the database based on information for use in accessing the database, said information being transmitted from said first computer when said first computer accesses the database stored in said storage device, and wherein said second computer predicts data to be accessed next by said first computer based on information on a database operation executed by said first computer, and information for use in accessing the database and instructs said storage device to perform the prefetch including an instruction of reading out the predicted data to said cache memory of said storage device.