面向云数据中心的虚拟机部署与迁移优化机制

被引:5
作者
张磊
王莉
机构
[1] 天津中德应用技术大学软件与通信学院
基金
国家重点研发计划;
关键词
云数据中心; 虚拟机部署; 虚拟机迁移; 能效优化; 服务等级协议;
D O I
10.16208/j.issn1000-7024.2019.08.019
中图分类号
TP302 [设计与性能分析]; TP308 [机房];
学科分类号
081201 ; 0812 ;
摘要
传统虚拟机部署侧重降低主机能耗,忽略了全局能效。针对这一问题,提出一种自适应多重阈值的虚拟机部署与迁移优化算法。基于主机CPU利用率的历史数据集,设计两种基于K-均值聚簇的自适应多重阈值决策方法,依据多重阈值对主机进行分类;为对重载主机进行虚拟机迁移,设计3种虚拟机迁移选择方法,以能效最高的方式对迁移虚拟机进行重新部署。通过实际负载数据对算法进行仿真测试,测试结果表明,该算法可以有效降低能耗,SLA违例也较低,具有更高的能效。
引用
收藏
页码:2216 / 2223
页数:8
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