云计算数据中心活跃服务器最优配置算法
发布时间：2018-08-15 14:57
【摘要】：云计算数据中心由通过高速网络连接的大量服务器构成,一种有效的节能措施是维持与系统负载成比例的活跃服务器数量同时切换剩余服务器到空闲模式,由此分别产生了操作能耗和切换能耗.研究在不同服务时隙内负载已知情况下,如何配置活跃服务器数量以最小化数据中心能耗的问题.首先,建立了问题的NP数学模型;然后分析了无切换能耗情况下最优解的特性;最终通过消除整数动态规划的递推过程,得到具有多项式复杂度的最优算法.数值结果表明,最优算法在不同负载变化趋势下保证能耗达到最小的同时保证计算过程平稳.
[Abstract]:Cloud computing data centers are made up of a large number of servers connected by high-speed networks. An effective energy saving measure is to maintain the number of active servers in proportion to the system load and switch the remaining servers to idle mode. Thus, the operation energy consumption and the switching energy consumption are generated respectively. In this paper, the problem of how to configure the number of active servers to minimize the energy consumption of data centers under the condition that the load in different service slots is known is studied. First, the NP mathematical model of the problem is established, then the characteristics of the optimal solution without switching energy consumption are analyzed. Finally, by eliminating the recursive process of integer dynamic programming, the optimal algorithm with polynomial complexity is obtained. The numerical results show that the optimal algorithm can ensure the minimum energy consumption and the smooth calculation process under different load trends.
【作者单位】： 合肥工业大学计算机与信息学院;安全关键工业测控技术教育部工程研究中心;
【基金】：国家自然科学基金项目(61370088)资助 国家国际科技合作专项项目(2014DFB10060)资助 中央高校基本科研业务费专项资金项目(2011HGBZ1321;2012HGQC0012)资助
【分类号】：TP368.5;TP308
[Abstract]:Cloud computing data centers are made up of a large number of servers connected by high-speed networks. An effective energy saving measure is to maintain the number of active servers in proportion to the system load and switch the remaining servers to idle mode. Thus, the operation energy consumption and the switching energy consumption are generated respectively. In this paper, the problem of how to configure the number of active servers to minimize the energy consumption of data centers under the condition that the load in different service slots is known is studied. First, the NP mathematical model of the problem is established, then the characteristics of the optimal solution without switching energy consumption are analyzed. Finally, by eliminating the recursive process of integer dynamic programming, the optimal algorithm with polynomial complexity is obtained. The numerical results show that the optimal algorithm can ensure the minimum energy consumption and the smooth calculation process under different load trends.
【作者单位】： 合肥工业大学计算机与信息学院;安全关键工业测控技术教育部工程研究中心;
【基金】：国家自然科学基金项目(61370088)资助 国家国际科技合作专项项目(2014DFB10060)资助 中央高校基本科研业务费专项资金项目(2011HGBZ1321;2012HGQC0012)资助
【分类号】：TP368.5;TP308
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