| 一种全分布式的数据迁移算法DBDS |
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| 引用本文： | 罗香玉,汪芸.一种全分布式的数据迁移算法DBDS[J].计算机应用与软件,2011,28(11). |
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| 作者姓名： | 罗香玉 汪芸 |
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| 作者单位： | 1. 东南大学计算机科学与工程学院 江苏南京211189
2. 教育部计算机网络和信息集成重点实验室 江苏南京211189 |
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| 基金项目： | 国家自然科学基金项目(60973122); 国家重点基础研究发展计划项目(2009CB320705) |
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| 摘 要： | 数据迁移是大规模存储系统实现负载平衡的重要手段,可有效提高数据访问的性能。然而,现有数据迁移机制大多依赖于集中式算法,存在扩展性方面的不足。提出一种全分布式的数据迁移算法DBDS(Dimension By Dimension Spreading)来解决系统扩展性方面的问题。仿真实验表明,该算法在保证负载全局均衡性的同时,可有效降低迁移过程的消耗,适用于大规模分布式存储系统。
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| 关 键 词： | 数据迁移 负载平衡 分布式存储系统 可扩展性 超立方体 |
DBDS:A FULLY DISTRIBUTED ALGORITHM FOR DATA MIGRATION |
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| Luo Xiangyu,Wang Yun.DBDS:A FULLY DISTRIBUTED ALGORITHM FOR DATA MIGRATION[J].Computer Applications and Software,2011,28(11). |
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| Authors: | Luo Xiangyu Wang Yun |
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| Affiliation: | Luo Xiangyu Wang Yun (School of Computer Science and Engineering,Southeast University,Nanjing 211189,Jiangsu,China) (Key Lab of CNII MOE,China) |
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| Abstract: | Data migration is a significant method for maintaining the load balance for large scale storage systems.It can greatly improve data access performance.However,most existing data migration mechanisms rely on a centralized algorithm,which seriously restricts the expandability of the system.The authors make efforts to devise a fully distributed solution called DBDS(Dimension by Dimension Spreading) to solve the data migration problem.Simulation results show DBDS enjoys both load global balance and consumption ... |
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| Keywords: | Data migration Load balance Distributed storage system Scalability Hypercube |
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