SEATS: smart energy-aware task scheduling in real-time cloud computing

被引:48
|
作者
Hosseinimotlagh, Seyedmehdi [1 ]
Khunjush, Farshad [1 ]
Samadzadeh, Rashidaldin [1 ]
机构
[1] Shiraz Univ, Dept Comp Sci Engn & IT, Sch Elect & Comp Engn, Shiraz, Iran
来源
JOURNAL OF SUPERCOMPUTING | 2015年 / 71卷 / 01期
关键词
Power awareness; VM scheduling; System level agreement; DVFS; Real-time tasks; Optimal utilization level; EFFICIENT; MANAGEMENT;
D O I
10.1007/s11227-014-1276-9
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
Mitigating energy consumption in Clouds reduces operational costs for providers. Power management policies which aim to reduce total energy consumed in data-centers pose challenges in both hardware technologies and resource management policies. We introduce an optimal utilization level of a host to execute a certain number of instructions to minimize energy consumption of the host. We also propose a virtual machine (VM) scheduling algorithm based on the unsurpassed utilization level to come up with optimal energy consumption while meeting a given QoS. In other words, our proposed algorithm regulates allocated computing resources of VMs on a host which results in reaching an optimal energy level in the host. The simulation results show that our proposed method not only reduces total energy consumption of a Cloud by 60 %, but also has a profound impact on turnaround times of real-time tasks by 94 %. It also increases the acceptance rate of arrival tasks by 96 %. Moreover, it takes a leading part in accepting lengthy tasks which have short deadlines.
引用
收藏
页码:45 / 66
页数:22
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