An Energy-Efficient Task Scheduling Mechanism with Switching On/Sleep Mode of Servers in Virtualized Cloud Data Centers

Yin Chunxia; Liu Jian; Jin Shunfu

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An Energy-Efficient Task Scheduling Mechanism with Switching On/Sleep Mode of Servers in Virtualized Cloud Data Centers

机译：An Energy-Efficient Task Scheduling Mechanism with Switching On/Sleep Mode of Servers in Virtualized Cloud Data Centers

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摘要

In recent years, the energy consumption of cloud data centers has continued to increase. A large number of servers run at a low utilization rate, which results in a great waste of power. To save more energy in a cloud data center, we propose an energy-efficient task-scheduling mechanism with switching on/sleep mode of servers in the virtualized cloud data center. The key idea is that when the number of idle VMs reaches a specified threshold, the server with the most idle VMs will be switched to sleep mode after migrating all the running tasks to other servers. From the perspective of the total number of tasks and the number of servers in sleep mode in the system, we establish a two-dimensional Markov chain to analyse the proposed energy-efficient mechanism. By using the method of the matrix-geometric solution, we mathematically estimate the energy consumption and the response performance. Both numerical and simulated experiments show that our proposed energy-efficient mechanism can effectively reduce the energy consumption and guarantee the response performance. Finally, by constructing a cost function, the number of VMs hosted on each server is optimized.

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《Mathematical Problems in Engineering: Theory, Methods and Applications》 |2020年第4期|4176308.1-4176308.11|共11页
作者
Yin Chunxia; Liu Jian; Jin Shunfu;
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作者单位

Yanshan Univ, Coll Informat Sci & Engn, Qinhuangdao 066004, Hebei, Peoples R China|Yanshan Univ, Key Lab Comp Virtual Technol & Syst Integrat Hebe, Qinhuangdao 066004, Hebei, Peoples R China|Hebei Agr Univ, Ocean Coll, Qinhuangdao 066003, Hebei, Peoples R;

Chinese Acad Sci, Inst Comp Technol, Beijing 100090, Peoples R China;

Yanshan Univ, Coll Informat Sci & Engn, Qinhuangdao 066004, Hebei, Peoples R China|Yanshan Univ, Key Lab Comp Virtual Technol & Syst Integrat Hebe, Qinhuangdao 066004, Hebei, Peoples R China;

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An Energy-Efficient Task Scheduling Mechanism with Switching On/Sleep Mode of Servers in Virtualized Cloud Data Centers

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