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移动事务并发控制技术的研究 被引量：1

Research of concurrency control technology for mobile transaction
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摘要 为有效降低移动计算环境下事务处理的重启动率、提高事务的吞吐量,在研究传统并发控制协议的基础上,提出了一种数据锁乐观并发控制协议DLOCC。DLOCC协议结合了锁并发控制协议与乐观并发控制协议的优点,利用数据项的更新次数和访问概率将服务器上的海量数据进行分类,依据不同的数据类型采用相应的并发控制协议。模拟实验结果表明,DLOCC协议性能优于OCC-TI协议,有效地提高了系统资源利用率。 To reduce effectively the restart rate of transactions processing,increase throughout of transactions in mobile computing environment.A new data lock optimistic concurrent control protocol（DLOCC） is proposed based on researching the traditional concurrent control protocol.The protocol combines the advantages of lock concurrent control protocol and optimistic concurrent control protocol.It is used to update frequency and access probabilities of data items and classify large amounts of data on the server.Based on different data types using the appropriate concurrency control protocol.The protocol presented is compared with OCC-TI by simulation experiments,the results of experimental show that the protocol performs better than OCC-TI and increases effectively operation rate of system resource.
作者 徐彩云 邵雄凯 康瑞华
机构地区 湖北工业大学计算机学院
出处 《计算机工程与设计》 CSCD 北大核心 2010年第20期4396-4399,共4页 Computer Engineering and Design
基金 湖北省自然科学基金项目(2006ABA029)
关键词 移动计算 并发控制 数据项 更新次数 访问概率 mobile computing concurrent control data item update frequency access probability
分类号 TP311.13 [自动化与计算机技术—计算机软件与理论]
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参考文献9

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共引文献5

同被引文献13

  • 1宋静,刘心松,赖周建,牟力.一种改进的2pc协议及其性能[J].微计算机信息,2006,22(04X):232-234. 被引量：6
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计算机工程与设计
2010年 第20期

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