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结合事务处理的思想,提出了一个可并行的多层事务备份恢复模型,该模型具有备份速度快、容错能力强、对在线系统影响小等特点.通过在一个实际的、由多个数据库节点组成的大规模数据库系统平台上对该备份恢复模型的实现和应用,证明了该模型的合理性和可用性.
Abstract：A multi-layered transaction backup and recovery model which can run side by side with the thought of transaction processing is proposed.The model has characteristics such as fast backup,good fault-tolerance,small influence on the online system and so on.Finally,the backup and recovery model for a reality multi-node very large database(VLDB) system is realized and the rationality and usability of this model are proved.
[1]郑宇.数字图书馆面临关键问题之我见[J].上海高校图书情报工作研究,2004,14(1):12-14.
[2]何平,杨树强,贾焰,等.基于Oracle 10g的VLDB备份与恢复技术[J].计算机工程,2006,32(10):79-81.
[3]Oracle Corporation.Oracle Documentation[EB/OL].[2005-04-20].http:∥www.oracle.com/technology/index.html.
[4]Smith K,Haisley S.Oracle Backup&Recovery 101[M].New York:McGraw-Hill,2002.
基本信息:
中图分类号:TP309.3
引用信息:
[1]夏斌,王乐,杨树强,等.基于大规模数据库的备份恢复模型[J].郑州大学学报(理学版),2007(04):40-44.
基金信息:
国家“八六三”项目,编号2006AA01Z451;; 国防预研基金项目
2007-12-15
2007-12-15