| Ubase数据库系统缓冲管理器的实现 |
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| 引用本文： | 冯向萍,张太红,王斌.Ubase数据库系统缓冲管理器的实现[J].计算机时代,2010(7):42-43. |
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| 作者姓名： | 冯向萍 张太红 王斌 |
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| 作者单位： | 新疆农业大学计算机与信息工程学院,新疆,乌鲁木齐,830052 |
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| 基金项目： | 新疆维吾尔自治区高校科研计划青年教师科研启动基金 |
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| 摘 要： | 缓冲区技术是减少系统对外存访问的重要方法之一。文章分析了Ubase数据库系统缓冲管理器的基本功能,对常用页面替换算法的性能进行了比较,最终选择Love/Hate算法代替LRU算法实现了Ubase数据库系统的缓冲管理,降低了系统的开销,提高了Ubase数据库系统的性能。
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| 关 键 词： | Ubase数据库系统 缓冲管理器 页面替换算法 爱憎算法（Love/Hate） |
Implementation of Buffer Manager in Ubase Database System |
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| FENG Xiang-ping,ZHANG Tai-hong,WANG Bin.Implementation of Buffer Manager in Ubase Database System[J].Computer Era,2010(7):42-43. |
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| Authors: | FENG Xiang-ping ZHANG Tai-hong WANG Bin |
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| Affiliation: | (College of Computer and Information Engineering,Xinjiang Agricultural University,Urumqi,Xinjiang 830052,China) |
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| Abstract: | Buffer technology is one of the important means to reduce the external memory access of system. The basic functions of the buffer manager in Ubase database system are analyzed,the performances of page replacement algorithms in common use are compared,Love/Hate algorithm is finally chosen instead of LRU algorithm to implement the buffer management of Ubase database system,which reduces the cost of system and improves the performance of Ubase database system. |
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| Keywords: | Ubase database system buffer manager page replacement algorithm Love/Hate algorithm |
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