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The Multi-level Recovery of Main-memory Real-time Database Systems with ECBH

The Multi-level Recovery of Main-memory Real-time Database Systems with ECBH
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摘要 Storing the whole database in the main-memory is a common method to processreal-time transaction in real-time database systems. The recovery mechanism of Main-memory Real-timeDatabase Systems (MMRTDBS) should reflect the characteristics of the main-memory database andreal-time database because their structures are quite different from other conventional databasesystems. In this paper, therefore, we propose a multi-level recovery mechanism for main-memoryreal-time database systems with Extendable Chained Bucket Hashing (ECBH). Owing to the occurrence ofreal-time data in real-time systems, we should also consider it in our recovery mechanism .According to our performance test, this mechanism can improve the transaction concurrency, reducingtransactions ' deadline missing rate. Storing the whole database in the main-memory is a common method to processreal-time transaction in real-time database systems. The recovery mechanism of Main-memory Real-timeDatabase Systems (MMRTDBS) should reflect the characteristics of the main-memory database andreal-time database because their structures are quite different from other conventional databasesystems. In this paper, therefore, we propose a multi-level recovery mechanism for main-memoryreal-time database systems with Extendable Chained Bucket Hashing (ECBH). Owing to the occurrence ofreal-time data in real-time systems, we should also consider it in our recovery mechanism .According to our performance test, this mechanism can improve the transaction concurrency, reducingtransactions ' deadline missing rate.
作者 ZOU Yong-gui, GE Jun-wei (College of Computer Science and Technology, Chonqqing University of Posts and Telecommunications, Chongqing 400065, P.R. China)
出处 《The Journal of China Universities of Posts and Telecommunications》 EI CSCD 2003年第1期15-24,共10页 中国邮电高校学报（英文版）
关键词 DBMS multi-level recovery HASH main- memory database real-time DBMS multi-level recovery hash main- memory database real-time
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13

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The Journal of China Universities of Posts and Telecommunications
2003年 第1期

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