计算机科学 ›› 2017, Vol. 44 ›› Issue (10): 19-25.doi: 10.11896/j.issn.1002-137X.2017.10.004
朱德剑,白光伟,蔡炎伟,任栋,沈航
ZHU De-jian, BAI Guang-wei, CAI Yan-wei, REN Dong and SHEN Hang
摘要： 大规模数据中心需要消耗大量的电能,由此带来了高额的运营成本以及环境污染等问题。为了降低数据中心的能耗,在构造了数据中心管理模型的基础上,提出了虚拟机静态安置算法与动态调整算法。虚拟机的动态迁移技术能够有效地降低数据中心能耗,提升资源利用率。然而,过度地迁移虚拟机,会影响应用的运行质量,造成SLA违背。动态调整阶段,采用了动态阈值的方法来控制虚拟机的迁移,降低能耗。最后,利用CloudSim平台进行了大量的模拟实验。实验结果表明,所提出的数据中心虚拟机节能管理机制(EAMVM)能够降低能源消耗,减少虚拟机的迁移次数。
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