Electrical computers and digital processing systems: support – Digital data processing system initialization or configuration
Reexamination Certificate
2005-02-28
2008-12-16
Connolly, Mark (Department: 2116)
Electrical computers and digital processing systems: support
Digital data processing system initialization or configuration
C713S100000
Reexamination Certificate
active
07467291
ABSTRACT:
A system and method for dynamically calculating margin for a set of computer resources (e.g., processors, disk storage, memory, communications). The headroom of a set of resources is equal to the total capacity of the resources minus a margin. Margin is a portion of the total capacity not to be used, so as to allow for acceptable response times. An initial margin may be selected using a graph plotting total resource utilization level percentage against response time. For a desired or acceptable response time factor, the initial margin is selected as 100% minus the utilization percentage that yields the selected response time factor. Then, as the workload is run, data are collected showing response times for different load levels. A modified curve is generated (e.g., using standard regression) and a new margin selected from that curve.
REFERENCES:
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patent: 2003/0115244 (2003-06-01), Molloy et al.
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Cockroft Adrian N.
Purcell Elizabeth
Vargas Enrique
Connolly Mark
Park Vaughan & Fleming LLP
Sun Microsystems Inc.
Yanchus, III Paul B
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