Patent ID: 7996844
Filing Date: 2011-08-09
Classification: G06F

Abstract:
1. A load distribution control system including a plurality of computers and distributing jobs to the computers to have them execute the jobs, the load distribution system comprising: a first storage unit to be accessed by the computers to execute the jobs; a second storage unit that stores data migrated from the first storage unit after expiration of a predetermined period of time from access by at least one of the computers; a first management device that exercises management for making a computer, from among the plurality of computers, that has a lower load than the other computers, execute the jobs; a second management device that accepts the jobs requested by a user, queues the accepted jobs, and stores them sequentially in a first job queue; a third management device that sequentially fetches the jobs in the first job queue and executes, on the first storage unit and the second storage unit, preparation processing for execution of the fetched jobs by the computer having the lower load; and a second job queue that sequentially stores the jobs for which the data preparation processing has been finished, as jobs that wait to be executed by the computer having the lower load; wherein the second management device sequentially fetches the jobs from the second job queue and sends the fetched jobs to the first management device, and the first management device has the computer having the lower load execute the fetched jobs, and in the preparation processing, the third management device: