Operations management apparatus, operations management system, data processing method, and operations management program

• US 8,190,949 B2
• Filed: 05/23/2011
• Issued: 05/29/2012
• Est. Priority Date: 02/25/2008
• Status: Active Grant

• Current Assignee: NEC Corporation
• Original Assignee: NEC Corporation
• Inventors: Kato, Kiyoshi
• Primary Examiner(s): LE, DIEU MINH T
• Application Number:
  US13/113,228
• Publication Number:
  US 20110225462A1
• Time in Patent Office: 372 Days
• Field of Search: 714/47.1, 714/47.2, 714/47, 714/3, 714/45, 714/46, 714/48
• US Class Current: 714/47.1
• CPC Class Codes: G06F 11/3409 for performance assessment
• CPC Class Codes: G06F 11/3447 Performance evaluation by modeling
• CPC Class Codes: G06F 2201/81 Threshold

Abstract

An operations management apparatus which acquires performance information for each of a plurality of performance items from a plurality of controlled units and manages operation of the controlled units includes a correlation model generation unit which derives a correlation function between a first series of performance information that indicates time series variation about a first element and a second series of performance information that indicates time series variation about a second element, generates a correlation model between the first element and the second element based on the correlation function, and obtains the correlation model for each element pair of the performance information, and a correlation change analysis unit which analyzes a change in the correlation model based on the performance information acquired newly which has not been used for generation of the correlation model.

Claims

1. An operation management apparatus which acquires performance information for each of a plurality of performance items from a controlled device, comprising:

a correlation model generation unit which generates a correlation model including a correlation function for a pair of series of performance information indicating time series variation of the performance information; and

a correlation change analysis unit which analyzes whether correlation indicated by the correlation function is kept by applying the performance information acquired newly to the correlation function and outputs information on an analysis result.

2. The operations management apparatus according to claim 1, wherein

the correlation model generation unit generates the correlation model by calculating a coefficient of the correlation function between one and another of the pair of series of performance information for every the pair of the series of performance information.

3. The operations management apparatus according to claim 2, wherein

the correlation change analysis unit calculates a predicted performance information by applying the performance information acquired newly to the correlation function related thereto, and calculates a prediction error by comparing the predicted performance information with the performance information actually detected for the predicted performance information.

4. The operations management apparatus according to claim 3, wherein

the correlation change analysis unit determines that the correlation indicated by the correlation function is kept if the prediction error is within a predetermined error range.

5. The operations management apparatus according to claim 4, wherein

the correlation change analysis unit determines whether the correlation indicated by the correlation function is kept or not for every the correlation function related to the performance information acquired newly in the correlation model.

6. The operations management apparatus according to claim 5, wherein

the correlation model generation unit calculates a weight for the correlation function based on a difference between a predicted value calculated by applying a value of one of the pair of the series of performance information to the correlation function and a value of another of the pair of the series of performance information, and generates the correlation model including the correlation function and the weight for every the pair of the series of performance information.

7. The operations management apparatus according to claim 6, wherein

the correlation change analysis unit determines whether the correlation indicated by the correlation function is kept or not for every the correlation function having the weight being equal to or grater than a predetermined threshold in the correlation model.

8. An operation management system comprising:

a controlled device; and

an operations management apparatus which acquires performance information for each of a plurality of performance items from the controlled device, wherein

the operations management apparatus includes;

a correlation model generation unit which generates a correlation model including a correlation function for a pair of series of performance information indicating time series variation of the performance information; and

a correlation change analysis unit which analyzes whether correlation indicated by the correlation function is kept by applying the performance information acquired newly to the correlation function and outputs information on an analysis result.

9. A data processing method of an operations management apparatus which acquires performance information for each of a plurality of performance items from a controlled device, comprising:

generating a correlation model including a correlation function for a pair of series of performance information indicating time series variation of the performance information;

analyzing whether correlation indicated by the correlation function is kept by applying the performance information acquired newly to the correlation function; and

outputting information on an analysis result.

10. The data processing method according to claim 9, wherein

the generating generates the correlation model by calculating a coefficient of the correlation function between one and another of the pair of series of performance information for every the pair of the series of performance information.

11. The data processing method according to claim 10, wherein

the analyzing calculates a predicted performance information by applying the performance information acquired newly to the correlation function related thereto, and calculates a prediction error by comparing the predicted performance information with the performance information actually detected for the predicted performance information.

12. The data processing method according to claim 11, wherein

the analyzing determines that the correlation indicated by the correlation function is kept if the prediction error is within a predetermined error range.

13. The data processing method according to claim 12, wherein

the analyzing determines whether the correlation indicated by the correlation function is kept or not for every the correlation function related to the performance information acquired newly in the correlation model.

14. The data processing method according to claim 13, wherein

the generating calculates a weight for the correlation function based on a difference between a predicted value calculated by applying a value of one of the pair of the series of performance information to the correlation function and a value of another of the pair of the series of performance information, and generates the correlation model including the correlation function and the weight for every the pair of the series of performance information.

15. The data processing method according to claim 14, wherein

the analyzing determines whether the correlation indicated by the correlation function is kept or not for every the correlation function having the weight being equal to or grater than a predetermined threshold in the correlation model.

16. A non-transitory computer readable data storage medium recording thereon an operation management program, the program causing an operations management apparatus which acquires performance information for each of a plurality of performance items from a controlled device, to perform a method comprising:

generating a correlation model including a correlation function for a pair of series of performance information indicating time series variation of the performance information; and

analyzing whether correlation indicated by the correlation function is kept by applying the performance information acquired newly to the correlation function and outputs information on an analysis result.

17. An operation management apparatus which acquires performance information for each of a plurality of performance items from a controlled device, comprising:

correlation model generation means for generating a correlation model including a correlation function for a pair of series of performance information indicating time series variation of the performance information; and

correlation change analysis means for analyzing whether correlation indicated by the correlation function is kept by applying the performance information acquired newly to the correlation function and outputting information on an analysis result.