北京邮电大学学报

  • EI核心期刊

北京邮电大学学报 ›› 2015, Vol. 38 ›› Issue (s1): 77-81,86.doi: 10.13190/j.jbupt.2015.s1.018

• 研究报告 • 上一篇    下一篇

CSFS:云存储服务支撑的文件系统设计与实现

肖达1, 苏丽裕2, 王俊龙3, 郑世慧1, 杨榆1   

  1. 1. 北京邮电大学 计算机学院, 北京 100876;
    2. 中国移动通信集团 广东有限公司, 广州 510100;
    3. 国家信息中心 公共技术服务部, 北京 100045
  • 收稿日期:2014-08-20 出版日期:2015-06-28 发布日期:2015-06-28
  • 作者简介:肖 达(1981—), 男, 讲师,E-mail:xiaoda99@bupt.edu.cn.
  • 基金资助:

    国家自然科学基金青年项目(61202082);中央高校基本科研业务费专项资金资助项目(BUPT2012RC0219,BUPT2013RC0311)

CSFS: Design and Implementation of Cloud Storage Service-Based File System

XIAO Da1, SU Li-yu2, WANG Jun-long3, ZHENG Shi-hui1, YANG Yu1   

  1. 1. School of Computer Science, Beijing University of Posts and Telecommunications, Beijing 100876, China;
    2. Guangdong Co., LTD, China Mobile Communications Group, Guangzhou 510100, China;
    3. Department of State Information Center, Public Technology Service, Beijing 100045, China
  • Received:2014-08-20 Online:2015-06-28 Published:2015-06-28

摘要:

云存储服务性能开发是云端数据技术的重要课题. 提出了一种基于云存储服务的文件系统数据存储架构,描述了一个基于该架构的云存储文件系统(CSFS)设计及实现. 通过利用免费邮件服务降低了开发和部署成本,通过数据与元数据分离管理、分布式存储、云端数据预取等技术提高了系统的高效性和可扩展性. 测试结果表明:相关优化技术有效提高了系统的读写性能.

关键词: 云存储, 文件系统, 元数据管理, 预取技术, 增量加密

Abstract:

The development of cloud storage service is one of the key elements to cloud data technology. New data storage architecture for cloud storage service based file systems was proposed. And the design and implementation of cloud storage-backed file system based on the architecture (CSFS) was described. The development and deployment costs are reduced by utilizing free email service. The efficiency and scalability are increased by separated management of metadata, data block, distributed storage and cloud data prefetching. Experiments show that the optimization method improves the read and write performance of the system effectively.

Key words: cloud storage, file system, metadata management, prefetching, incremental encryption

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