| 一种分布式元数据的动态管理系统 |
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| 引用本文： | 薛伟,朱明.一种分布式元数据的动态管理系统[J].计算机工程,2012,38(4):63-66. |
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| 作者姓名： | 薛伟 朱明 |
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| 作者单位： | 中国科学技术大学自动化系,合肥,230027 |
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| 基金项目： | 国家“863”计划基金资助项目“新一代业务运行管控协同支撑环境的开发”（2008AA01A317） |
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| 摘 要： | 为得到有效的元数据分布，获得多元数据服务器的负载均衡，提出一种分布式元数据的动态管理系统。利用负载均衡算法选择合适热度的子树，通过子树迁移策略将选定的子树迁移到合适的元数据服务器上进行管理，采用子树复制策略降低元数据服务器负载。实验结果证明，该系统能实现元数据的均匀分布。
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| 关 键 词： | 海量存储 元数据管理 动态子树划分 子树迁移 子树复制 目录子树 |
| 收稿时间： | 2011-08-18 |
Dynamic Management System of Distributed Metadata |
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| XUE Wei
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ZHU Ming.Dynamic Management System of Distributed Metadata[J].Computer Engineering,2012,38(4):63-66. |
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| Authors: | XUE Wei ZHU Ming |
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| Affiliation: | (Department of Automation, University of Science and Technology of China, Hefei 230027, China) |
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| Abstract: | To obtain the effective distribution of metadata and load balance of the multi metadata servers, this paper presents a dynamic management system of distributed metadata, which makes use of load balancing algorithms to select some appropriate subtrees, then uses migration strategy to migrate these subtrees to proper metadata servers, and utilizes replication strategy to reduce the load of the metadata server which is produced by reading metadata operation. Experimental results show that the system can obtain the effective distribution of metadata. |
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| Keywords: | mass storage metadata management dynamic subtree partition subtree migration snbtree replication directory subtree |
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