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E-RTDB的恢复子系统的设计与实现

Design and implementation of recovery subsystem of E-RTDB
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摘要 嵌入式实时环境下,内存和CPU资源比较少,并且数据容易受到各种意外情况的破坏。根据这些特点为E-RTDB设计了一个高效的恢复子系统,包含日志管理器、检查点过程、恢复过程等,提出了一种动态自适应的检查点算法,综合考虑系统性能和恢复功能,解决了各种情况下的故障恢复问题。性能测试表明该子系统性能较高。 There are little resources such as memory and CPU in embedded real time environment, and data is often destroyed by unexpected failures and disasters, An effective recovery subsystem is designed for E-RTDB based on the specialty of the embedded real time environment, including log manager, checkpoint, recovery, etc, and a dynamic adaptive checkpoint algorithm taking system performance and recovery functionality into account is proposed, the disaster recovery problem is successfully solved, Tests show that it has a good performance.
作者 李坤 李春晖 王永炎 王宏安
机构地区 中国科学院软件研究所人机交互技术与智能信息处理实验室 中国石油兰州石化公司自动化研究院
出处 《计算机工程与设计》 CSCD 北大核心 2008年第1期119-122,共4页 Computer Engineering and Design
关键词 嵌入式 主内存数据库 日志管理 动态自适应检查点 恢复 embedded main memory database log management dynamic adaptive checkpoint recovery
分类号 TP131.132 [自动化与计算机技术—控制理论与控制工程]
  • 相关文献

参考文献7

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二级参考文献7

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共引文献5

计算机工程与设计
2008年 第1期

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