USAGE PREDICTION SYSTEM, USAGE PREDICTION METHOD AND USAGE PREDICTION PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide a usage prediction system, a usage prediction method and a usage prediction program for predicting the usage of a migration destination system after migration when the number of log-in of the migration source system is known even when the usage of the migration source system is unknown.

SOLUTION: A control part 51 of a load prediction server 50 specifies a peak time when the totaled number of log-in users is the largest by using the log data of log data storage parts 21 and 31. The control part 51 calculates scale coefficients by using the number of log-in users of the migration source system 20 at this peak time and the number of log-in users of a migration destination system 30 at the same time. The control part 51 calculates predicted usage by using fixed usage calculated by using fixed usage calculation formula and the scale coefficients and the whole memory usage of the extracted usage result data. The control part 51 records the calculated predicted usage in a load prediction value data storage part 53, and performs the output processing of the load prediction value.

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