摘要
将云计算技术应用于数据备份领域,设计并实现了基于分布式文件系统(HDFS)的云数据备份系统.该系统利用云存储技术,应用已有的廉价计算机设备构建数据备份集群,解决了用户数据备份/恢复业务的需要,通过用户分群管理、小文件合并上传、恢复优先等策略进一步提高了系统性能.实验结果表明,云备份系统在安全性、可扩展性、经济性及可靠性上均具有一定的优势.
The authors introduced cloud computing into data backup area,designed and implemented a hadoop distributed file system（HDFS） based data backup system,which meets users＇ needs of data backup/restore by applying existed cheap computers to setting up a data backup cluster.By means of the strategies of deviding users into groups,of packaging and uploading small files and of restoring first,the system＇s performance is enhanced.HDFS based data backup system designed in this paper has the strengths in security,expansibility,economy,and reliability.
出处
《吉林大学学报（理学版）》
CAS
CSCD
北大核心
2012年第1期101-105,共5页
Journal of Jilin University:Science Edition
基金
国家自然科学基金(批准号:61073009
60703024
61170265)
吉林大学基本科研业务费项目(批准号:201103253
201003035)
关键词
云计算
云存储
数据备份系统
cloud computing
cloud storage
backup system
