| 基于多版本的内存数据库系统并发控制机制的设计与实现 |
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| 引用本文： | 赵艳梅,季璐,徐立臻,刘星洋.基于多版本的内存数据库系统并发控制机制的设计与实现[J].计算机与数字工程,2011(10):19-21,55. |
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| 作者姓名： | 赵艳梅 季璐 徐立臻 刘星洋 |
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| 作者单位： | 1. 国家自然科学基金委员会信息中心 北京 100085
2. 东南大学计算机科学与工程学院 南京 210096 |
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| 基金项目： | 国家自然科学基金项目(编号:M1021003)资助 |
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| 摘 要： | 该文针对内存数据库系统的特点,提出了一种结合行级锁的多版本并发控制机制,通过维护历史数据来避免数据读写的冲突,并通过行级锁减少写写冲突发生的概率,从而提高事务执行的并发度。
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| 关 键 词： | 内存数据库 多版本并发控制 行级锁 事务 |
Design and Implementation of Multi-Version Concurrency Control Mechanism in Main Memory Database System |
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| Zhao Yanmei,Ji Lu,Xu Lizhen,Liu Xingyang.Design and Implementation of Multi-Version Concurrency Control Mechanism in Main Memory Database System[J].Computer and Digital Engineering,2011(10):19-21,55. |
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| Authors: | Zhao Yanmei Ji Lu Xu Lizhen Liu Xingyang |
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| Affiliation: | 2)(Information Center of the National Natural Science Foundation Committee of China1),Beijing 100085)(School of Computer Science and Technology,Southeast University2),Nanjing 210096) |
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| Abstract: | Based on the features of MMDB,a multi-version concurrency control mechanism combined with row lock is presented in this paper.It maintains history data to avoid the conflict between readers and writers,combined with row lock to minimize the probability of conflict between writers.As a result,the concurrency level of transactions is boosted greatly. |
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| Keywords: | main memory database multi-version concurrency control row lock transaction |
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