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| 基于NAND Flash的嵌入式数据库索引机制的改进 | |
| 引用本文： | 康亮,顾峰磊,戚正伟. 基于NAND Flash的嵌入式数据库索引机制的改进[J]. 计算机应用与软件, 2008, 25(7) |
| 作者姓名： | 康亮 顾峰磊 戚正伟 |
| 作者单位： | 1. 上海交通大学软件学院,上海,200240 2. 上海交通大学软件学院,上海,200240;上海计算机软件技术开发中心,上海,201112 |
| 摘 要： | 目前嵌入式系统设计中, NAND Flash和数据库的使用越来越频繁.在实际系统中,NAND Flash存储设备品种繁多,此外,数据库的存储效率还取决于应用环境中的工作负载.以Berkeley DB为原型进行改进,加入了BFTL层和动态调整机制以适应不同的设备环境和工作负载.在两种工作负载和三种设备环境中,根据改进后的数据库性能分析,得出该改进能适应各种工作负载和设备环境. |
| 关 键 词： | NAND Flash 嵌入式数据库 B -树 BFTL 动态调整策略 |
THE IMPROVEMENT OF EMBEDDED DATABASE INDEXING SYSTEM BASED ON NAND FLASH |
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| Kang Liang,Gu Fenglei,Qi Zhengwei. THE IMPROVEMENT OF EMBEDDED DATABASE INDEXING SYSTEM BASED ON NAND FLASH[J]. Computer Applications and Software, 2008, 25(7) | |
| Authors: | Kang Liang Gu Fenglei Qi Zhengwei |
| Affiliation: | Kang Liang1 Gu Fenglei1 Qi Zhengwei1,21(Shanghai Jiao Tong University Software School,Shanghai 200240,China)2(Shanghai Development Center of Computer Software Technology,Shanghai 201112,China) |
| Abstract: | NAND flash and database are used more and more widely in existing embedded system design.In the practice system,NAND Flash consists of wide variety such as on-broad flash,secure digital cards,compact flash cards and related formats.Besides,the performance of database storage is also determined by the application workloads.Based on Berkeley DB,this article adds the BFTL layer and dynamic method to fit the all kinds of devices and workloads.It is shown by the performance analysis that compared with the origin... |
| Keywords: | NAND Flash Embedded database B -tree BFTL Dynamic method |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |