INFORMATION PROCESSING SYSTEM, METHOD OF CONTROLLING INFORMATION PROCESSING SYSTEM, AND CONTROL PROGRAM FOR CONTROL DEVICE

摘要

PROBLEM TO BE SOLVED: To shorten a time for acquiring statistical information in an information processing system.SOLUTION: An information processing system 1 comprises: a plurality of servers 4; and a control node 2 that controls the plurality of servers 4. The control node 2 comprises a selection unit that selects any of the plurality of servers 4 as an aggregation server 4-2. Each of the plurality of servers 4 comprises: a retrieval unit that retrieves individual statistical information 32 from each of the plurality of servers 4 when selected as the aggregation server 4-2; and an aggregation unit that aggregates the individual statistical information 32 to generate aggregated statistical information 33.