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Prediction-based underutilized and destination host selection approaches for energy-efficient dynamic VM consolidation in data centers - 2020

Prediction-based underutilized and destination host selection approaches for energy-efficient dynamic VM consolidation in data centers

Research Area:  Cloud Computing

Abstract:

Improving the energy efficiency while guaranteeing quality of services (QoS) is one of the main challenges of efficient resource management of large-scale data centers. Dynamic virtual machine (VM) consolidation is a promising approach that aims to reduce the energy consumption by reallocating VMs to hosts dynamically. Previous works mostly have considered only the current utilization of resources in the dynamic VM consolidation procedure, which imposes unnecessary migrations and host power mode transitions. Moreover, they select the destinations of VM migrations with conservative approaches to keep the service-level agreements , which is not in line with packing VMs on fewer physical hosts. In this paper, we propose a regression-based approach that predicts the resource utilization of the VMs and hosts based on their historical data and uses the predictions in different problems of the whole process. Predicting future utilization provides the opportunity of selecting the host with higher utilization for the destination of a VM migration, which leads to a better VMs placement from the viewpoint of VM consolidation. Results show that our proposed approach reduces the energy consumption of the modeled data center by up to 38% compared to other works in the area, guaranteeing the same QoS. Moreover, the results show a better scalability than all other approaches. Our proposed approach improves the energy efficiency even for the largest simulated benchmarks and takes less than 5% time overhead to execute for a data center with 7600 physical hosts.

Keywords:  

Author(s) Name:  Kawsar Haghshenas & Siamak Mohammad

Journal name:  The Journal of Supercomputing

Conferrence name:  

Publisher name:  Springer

DOI:  10.1007/s11227-020-03248-4

Volume Information:  volume 76, pages 10240–10257 (2020)