| DDBMS的两阶段提交协议中阻塞问题的解决方案 |
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| 引用本文： | 熊燕群,白似雪.DDBMS的两阶段提交协议中阻塞问题的解决方案[J].计算机应用与软件,2006,23(5):72-73,107. |
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| 作者姓名： | 熊燕群 白似雪 |
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| 作者单位： | 南昌大学计算机应用技术系,江西,南昌,330029 |
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| 摘 要： | 传统的两阶段提交协议在分布式数据库管理系统的事务处理中得到广泛运用，较好地保证了分布事务的一致性和数据的一致性。然而,这个协议会出现阻塞问题，严重影响系统资源的利用率。针对这个弱点从事务的分类处理、快照技术、通信结构、终结协议等方面进行探讨，提出五种解决方案，并且分析了这些方案的适用场合。
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| 关 键 词： | 两阶段提交 分布式数据库管理系统 事务 阻塞 快照 |
| 收稿时间： | 2005-07-15 |
| 修稿时间： | 2005-07-15 |
SOLUTIONS TO THE BLOCKING PROBLEM IN TWO-PHASE COMMITMENT OF DISTRIBUTED DATABASE MANAGEMENT SYSTEM |
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| Xiong Yanqun,Bai Sixue.SOLUTIONS TO THE BLOCKING PROBLEM IN TWO-PHASE COMMITMENT OF DISTRIBUTED DATABASE MANAGEMENT SYSTEM[J].Computer Applications and Software,2006,23(5):72-73,107. |
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| Authors: | Xiong Yanqun Bai Sixue |
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| Affiliation: | Department of Computer Application Technology, Nanchang University, Nanchang Jiangxi 330029, China |
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| Abstract: | The traditional two-phase commitment protocol is widely applied in the transaction disposal of Distributed Database Management System.It assures the consistency of distributed transactions and data.However,this protocol may cause blocking problem.It will badly influence the using efficiency of system resources.This paper aims at that weakness and discusses on these aspects,such as transaction's sorting disposal,snapshot technology,communication structure,finality protocol and so on.It puts forward five solutions to the problem and analyses their own applied occasions. |
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| Keywords: | Two-phase commitment Distributed database management system Transaction Blocking Snapshot |
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