Towards more effective utilization of computer systems

Authors:
Niklas Carlsson;Martin Arlitt
Affiliations:
Linköping University;Hewlett-Packard Laboratories
Venue:
Proceedings of the 2nd ACM/SPEC International Conference on Performance engineering
Year:
2011

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Abstract

Globally, vast infrastructures of Information Technology (IT) equipment are deployed. Much of this infrastructure is under utilized to ensure acceptable response times. This results in less than ideal use of the capital investment used to purchase the IT equipment. To improve the sustainability of IT, we focus on increasing the effective utilization of computer systems. Our results show that computer systems running delay-sensitive (e.g., Web) workloads can be more effectively utilized while still maintaining adequate (e.g., mean or upper percentile) response times. In particular, these computer systems can simultaneously support delay-tolerant workloads, to increase the value of work done by a computer system over time.