| 改进的两阶段提交协议 |
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| 引用本文： | 于红,高艳萍,郭连喜.改进的两阶段提交协议[J].大连水产学院学报,2005,20(4):335-339. |
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| 作者姓名： | 于红 高艳萍 郭连喜 |
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| 作者单位： | 大连水产学院,信息工程学院,辽宁大连,116023;大连水产学院,信息工程学院,辽宁大连,116023;大连水产学院,信息工程学院,辽宁大连,116023 |
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| 摘 要： | 提出了一种改进的两阶段提交协议，该协议通过增加本地写LOG的次数来减少信息交换量和阻塞次数，增加成功提交的次数和事务的成功率，提高了提交协议的性能。并对该协议中算法的正确性和性能进行了分析。
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| 关 键 词： | 事务处理 两阶段提交协议 故障恢复 信息交换 |
| 文章编号： | 1000-9957（2005）04-0335-05 |
| 收稿时间： | 2004-11-15 |
| 修稿时间： | 2004-11-15 |
Improved two-phase commit protocol |
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| YU Hong,GAO Yan-ping,GUO Lian-xi.Improved two-phase commit protocol[J].Journal of Dalian Fisheries University,2005,20(4):335-339. |
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| Authors: | YU Hong GAO Yan-ping GUO Lian-xi |
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| Institution: | School of Information Engineering, Dalian Fisheries Univ. , Dalian 116023, China |
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| Abstract: | To improve the performance of the commit protocol, the information exchange, the times of blocking, the times of the system restart and the times of log writing must be decreased and the unnecessary abort must be avoided. Because the system restart and log writing affects local sites, while information exchange and blocking concems multiple sites, the latter has much more effect on the performance of the system than the former. In this paper, an improved two - phase commit protocol is presented. This protocol can decrease the times of information exchange and the time of blocking, and increase the times of successful commit, though the time of log writing will increase. In the last section of this paper, the performance of the protocol is analyzed. |
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| Keywords: | transaction processing two - phase commit protocol failure recovery information exchange |
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