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Improved energy-efficiency in cloud datacenters with interference-aware virtual machine placement

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4 Author(s)
Moreno, Ismael Solis ; School of Computing University of Leeds Leeds, UK ; Yang, Renyu ; Xu, Jie ; Wo, Tianyu

Virtualization is one of the main technologies used for improving resource efficiency in datacenters; it allows the deployment of co-existing computing environments over the same hardware infrastructure. However, the co-existing of environments — along with management inefficiencies — often creates scenarios of high-competition for resources between running workloads, leading to performance degradation. This phenomenon is known as Performance Interference, and introduces a non-negligible overhead that affects both a datacenter's Quality of Service and its energy-efficiency. This paper introduces a novel approach to workload allocation that improves energy-efficiency in Cloud datacenters by taking into account their workload heterogeneity. We analyze the impact of performance interference on energy-efficiency using workload characteristics identified from a real Cloud environment, and develop a model that implements various decision-making techniques intelligently to select the best workload host according to its internal interference level. Our experimental results show reductions in interference by 27.5% and increased energy-efficiency up to 15% in contrast to current mechanisms for workload allocation.

Published in:

Autonomous Decentralized Systems (ISADS), 2013 IEEE Eleventh International Symposium on

Date of Conference:

6-8 March 2013