一种识时的嵌入式实时数据库恢复机制
被引量:2
A Time-Cognizant Recovery Mechanism for Embedded Real-Time Databases
摘要
嵌入式实时数据库除需恢复数据库的内部一致性外,还需恢复时间一致性及复原物理世界(外部环境)的状态.在分析嵌入式实时数据库中数据和事务特征的基础上,讨论了嵌入式实时数据和事务的分类及其一致性约束.基于这些约束,给出了"识时"的恢复准则及策略.通过与传统恢复方法比较,所给出的策略在降低超截止期事务比率和减少系统拒绝服务时间等方面都具有较好的性能.
出处
《计算机研究与发展》
EI
CSCD
北大核心
2006年第z3期251-256,共6页
Journal of Computer Research and Development
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