Communication performance analyzing program, communication performance analyzing apparatus and communication performance analyzing method

• US 20070271373A1
• Filed: 01/03/2007
• Published: 11/22/2007
• Est. Priority Date: 05/22/2006
• Status: Active Grant

• Current Assignee: Fujitsu Limited
• Original Assignee: Fujitsu Limited
• Inventors: Yamamura, Shuji, Kumon, Kouichi, Matsumoto, Kazuhiro, Ono, Miyuki
• Granted Patent: US 7,660,885 B2
• Time in Patent Office: Days
• US Class Current: 709/224
• CPC Class Codes: H04L 41/142 using statistical or mathematical methods

Abstract

A communication performance analyzing program, a communication performance analyzing apparatus and a communication performance analyzing method make it possible to highly reliably grasp the communication performance of a computer system by automatically analyzing the communication performance. The communication performance analyzing program that causes a computer to analyze a data tendency of communication performance of a plurality of execution periods of a computer system formed by connecting a plurality of computers by a network, the program comprises a communication time acquisition step S2 that acquires communication time data among the computers of the computer system and a statistical analysis step S3 that analyzes the tendency of communication performance data of each execution period of the computer system, using the communication time among the computers, by statistically analyzing the communication time data acquired by the communication time acquisition step.

Claims

1. A computer readable recording medium as a communication performance analyzing program that causes a computer to analyze a data tendency of communication performance of a plurality of execution periods of a computer system formed by connecting a plurality of computers by a network, the program comprising:

a communication time acquisition step that acquires communication time data among the computers of the computer system; and

a statistical analysis step that analyzes the tendency of communication performance data of each execution period of the computer system, using the communication time among the computers, by statistically analyzing the communication time data acquired by the communication time acquisition step.

2. The computer readable recording medium according to claim 1, wherein

the statistical analysis step conducts an analysis, using metrical multidimensional scaling.

3. The computer readable recording medium according to claim 1, wherein

the statistical analysis step conducts an analysis, using non-metrical multidimensional scaling.

4. The computer readable recording medium according to claim 1, wherein

the statistical analysis step conducts an analysis, using a sammon mapping algorithm.

5. The computer readable recording medium according to claim 1, wherein

the communication time acquisition step acquires communication time data among the computers of the computer system on a plurality of observation items;

and

includes a communication time combining step that permutes the communication time data on the plurality of observation items acquired by the communication time acquisition step to prepare communication time combination data, and

the statistical analysis step includes a clustering analysis step that conducts a statistical analysis by clustering, using the communication time combination data prepared by the communication time combining step, and a grouping operation for combinations of computers or observation items.

6. The computer readable recording medium according to claim 5, further comprising:

a principal component analysis step that conducts a statistical analysis on the communication time data by way of principal component analysis, using the communication time combination data prepared by the communication time combining step, and

the clustering analysis step groups the results of the statistical analysis conducted by the principal component analysis step and displays a scatter diagram based on predetermined principal components.

7. The computer readable recording medium according to claim 5, further comprising:

an independent component analysis step that conducts a statistical analysis by way of independent component analysis, using the communication time combination data prepared by the communication time combining step, and

the clustering analysis step groups the results of the statistical analysis conducted by the independent component analysis step and displays a scatter diagram based on predetermined independent components.

8. The computer readable recording medium according to claim 6, wherein

the principal component analysis step conducts an analysis on the similarity of the plurality of observation items, using the communication time combination data prepared by the communication time combining step, and generates principal component analysis/observation item data;

and

the clustering analysis step conducts a grouping operation for the similarity of the observation items, using the principal component analysis/observation item data generated by the principal component analysis step.

9. The computer readable recording medium according to claim 7, wherein

the independent component analysis step conducts an analysis on the similarity of the plurality of observation items, using the communication time combination data prepared by the communication time combining step, and generates independent component analysis/observation item data, and

the clustering analysis step conducts a grouping operation for the similarity of the observation items, using the independent component analysis/observation item data generated by the independent component analysis step.

10. The computer readable recording medium according to claim 5, wherein

the clustering analysis step includes a group display step that groups the plurality of computers on the basis of the similarity of communication time,

sets each of the computers on the vertical axis and the horizontal axis for each group of computers formed on the similarity of communication time obtained by the clustering analysis step and displays the results of the grouping conducted by the clustering analysis step.

11. The computer readable recording medium according to claim 5, further comprising:

a computer grouping step that groups the plurality of computers according to the communication time combination data acquired by the communication time combining step;

an observation item grouping step that groups the plurality of observation items according to the communication time combining data acquired by the communication time combining step; and

a display step that displays the computer groups obtained by the computer grouping step in association with the observation item groups obtained by the observation item grouping step.

12. The computer readable recording medium according to claim 5, further comprising:

a scoring analysis step that computes scores on the degree of normality or abnormality of the communication performance of each computer on the basis of the results of grouping the computers by the clustering analysis step.

13. The computer readable recording medium according to claim 11, wherein

the display step conducts a parallel coordinate plot of displaying the communication times between two computers on a plurality of polygonal lines by indicating the observation items on each of a plurality of axes and indicating computer groups on an axis.

14. The computer readable recording medium according to claim 5, wherein

the clustering analysis step includes a decision tree analysis step that indicates the relationship between the plurality of observation item groups and the plurality of computer groups by means of an algorithm of a decision tree and displays the computer groups as conclusion part on the condition of the range of each of the item groups.

15. A communication performance analyzing apparatus that analyzes a data tendency of communication performance of a plurality of execution periods of a computer system formed by connecting a plurality of computers by a network, the program comprising:

a communication time acquisition section that acquires communication time data among the computers of the computer system; and

a statistical analysis section that analyzes the tendency of communication performance data of each execution period of the computer system, using the communication time among the computers, by statistically analyzing the communication time data acquired by the communication time acquisition section.

16. The apparatus according to claim 15, wherein

the communication time acquisition section acquires communication time data among the computers of the computer system on a plurality of observation items;

and

includes a communication time combining section that permutes the communication time data on the plurality of observation items acquired by the communication time acquisition section to prepare communication time combination data; and

the statistical analysis section includes a clustering analysis section that conducts a statistical analysis by clustering, using the communication time combination data prepared by the communication time combining section, and a grouping operation for combinations of computers or observation items.

17. The apparatus according to claim 15, further comprising:

a principal component analysis section that conducts a statistical analysis on the communication time data by way of principal component analysis, using the communication time combination data prepared by the communication time combining section; and

the clustering analysis section groups the results of the statistical analysis conducted by the principal component analysis section and displays a scatter diagram based on predetermined principal components.

18. The apparatus according to claim 15, further comprising:

an independent component analysis section that conducts a statistical analysis by way of independent component analysis, using the communication time combination data prepared by the communication time combining section; and

the clustering analysis section groups the results of the statistical analysis conducted by the independent component analysis section and displays a scatter diagram based on predetermined independent components.

19. A communication performance analyzing method that causes a computer to analyze a data tendency of communication performance of a plurality of execution periods of a computer system formed by connecting a plurality of computers by a network, the program comprising:

a communication time acquisition step that acquires communication time data among the computers of the computer system; and

a statistical analysis step that analyzes the tendency of communication performance data of each execution period of the computer system, using the communication time among the computers, by statistically analyzing the communication time data acquired by the communication time acquisition step.

20. The method according to claim 19, wherein

the communication time acquisition step acquires communication time data among the computers of the computer system on a plurality of observation items;

and

includes a communication time combining step that permutes the communication time data on the plurality of observation items acquired by the communication time acquisition step to prepare communication time combination data; and

the statistical analysis step includes a clustering analysis step that conducts a statistical analysis by clustering, using the communication time combination data prepared by the communication time combining step, and a grouping operation for combinations of computers or observation items.