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嵌入式数据库中实时事务管理器的设计与实现 被引量:1

Design and implementation of real-time transaction manager in embedded database
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摘要 为解决传统嵌入式数据库系统只支持基本的事务操作,使得系统无法满足实时性应用需求的问题,分析了实时系统的特点和要求,并综合嵌入式数据库系统事务管理机制,提出了实时事务管理器作为嵌入式数据库系统的实时性解决方案,该管理器的核心算法包括事务截止期分析、事务优先级动态分配策略、事务调度策略和事务接纳策略几个部分。通过应用于嵌入式数据库管理系统Tyche_DB可知,该系统具备了实时系统的特点,满足实时性应用的需求。 Based on the analysis of real-time data processing requirements and transaction management mechanism,the real-time tran-saction manager is added for the embedded database system to enable real-time transaction management.The essential algorithm for the real-time transaction manager involves transaction deadline analysis,transaction priority-based dynamic assignment,transaction schedu-ling,and transaction admission.By implementing the real-time transaction manager in the Tyche_DB,it is verified that the Tyche_DB can process data in real time.
出处 《计算机工程与设计》 CSCD 北大核心 2011年第9期3008-3013,共6页 Computer Engineering and Design
关键词 嵌入式数据库 实时性 事务调度策略 事务接纳策略 事务管理 embedded database real-time transaction scheduling transaction admission policy transaction management
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