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基于内存云架构的带宽负载均衡算法 被引量:5

Bandwidth load balancing algorithm in RAMCloud
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摘要 为解决在线数据访问频率存在差异性造成的内存云服务器内存带宽负载不均衡问题,内存云数据中心采用段式日志结构文件系统,提出一种数据段交换(data-segments exchanging,DSE)算法,周期性地对内存带宽负载不均衡的服务器上数据段进行相互交换,使集群的带宽负载达到均衡。仿真结果表明,该算法可以使内存云集群的带宽负载达到均衡,时延降低了12.61%,有效提高了内存云集群的性能。 To solve the unbalanced bandwidth load problem occurred in the RAMCloud servers as a result of differences existed in the online data access frequency.The segment-log-structured file system was adopted in the RAMCloud data center,and a DSE(data-segments exchanging)algorithm was presented.The data segments on the bandwidth load of the unbalanced servers were exchanged periodically,so that the bandwidth load on the servers through the exchange reached equilibrium.Simulation results show that the algorithm can balance the memory bandwidth of the clusters and reduce the latency by 12.61%,and effectively improve the performance of the RAMCloud clusters.
出处 《计算机工程与设计》 北大核心 2015年第11期2886-2891,共6页 Computer Engineering and Design
基金 国家自然科学基金项目(61361083 61262088 61063042) 新疆维吾尔自治区自然科学基金项目(2013211A011 2011211A011)
关键词 内存云 在线数据访问频率 日志结构文件系统 数据段交换 负载均衡 RAMCloud online data access frequency log-structured file system segments exchanging load balancing
作者简介 刘建矿(1990-),男,河南商丘人,硕士研究生,研究方向为云计算、资源调度; 通讯作者:于炯(1964-),男,新疆乌鲁木齐人,博士,教授,CCF会员,研究方向为网络安全、网格与分布式计算; 英昌甜(1989-),女,新疆乌鲁木齐人,博士研究生,研究方向为网格调度算法、云计算; 鲁亮(1990-),男,湖南湘潭人,博士研究生,CCF会员,研究方向为云计算、分布式计算。E-mail:yujiong@xju.edu.cn
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参考文献14

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