Monitoring of metrics to identify abnormalities in a large...

Details Monitoring of metrics to identify abnormalities in a large... Monitoring of metrics to identify abnormalities in a large...

2009-08-17

2011-12-06

Lazaro, David (Department: 2455)

Electrical computers and digital processing systems: multicomput

Computer network managing

Computer network monitoring

C370S229000

Reexamination Certificate

active

08073946

ABSTRACT:
Methods and apparatus, including computer program products, implementing and using techniques for finding application latency degradation causes in an application on a distributed computing system. Variables associated with the application and the computing system are identified, including variables that are candidates for being responsible for latency degradation. A total latency is divided into latency components, that each corresponds to an aspect of the total application latency. Each latency component is divided into study classes, that each includes a subset of the candidate variables. For each study class, combinations are generated for the subset of the variables; a latency distribution is determined for each variable combination; the determined latency distributions for the combinations are compared with corresponding latency benchmark values for the same combinations to determine whether a degradation in latency distributions has occurred for particular combinations among the one or more combinations, and a result is provided to a user.

REFERENCES:
patent: 2006/0176824 (2006-08-01), Laver et al.
Conover, W.J., “Practical Nonparametric Statistics,” 1971, New York: John Wiley & Sons, Title page, Publication page, and pp. 295-314.
Freedman et al., “Statistics 2nd ed.,” 1991, New York: W.W. Norton & Company, Title page, Publication page, and pp. 442-449.

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