GARBAGE COLLECTION EXECUTION DEVICE, GARBAGE COLLECTION EXECUTION METHOD AND GARBAGE COLLECTION EXECUTION PROGRAM

摘要

PROBLEM TO BE SOLVED: To distribute a resource load by distributing occurrence of garbage collection.SOLUTION: A garbage collection determination unit determines an execution period in each area so that garbage collection processing to records including Key and Value which are distributed and managed in a plurality of areas formed with a prescribed capacity in each of a plurality of servers which are included in a distributed Key-Value store is time-sequentially distributed and executed in each area in each of the servers. A garbage collection execution unit executes the garbage collection processing to a target area at the execution period which is determined by the garbage collection determination unit.