Improving the SCC protocol for real-time transaction concurrency control

被引:0
|
作者
Haubert, J [1 ]
Sadeg, B [1 ]
Amanton, L [1 ]
机构
[1] UFR Sci & Tech Havre, LIH, F-76058 Le Havre, France
来源
PROCEEDINGS OF THE 3RD IEEE INTERNATIONAL SYMPOSIUM ON SIGNAL PROCESSING AND INFORMATION TECHNOLOGY | 2003年
关键词
distributed real-time transactions; shadow transactions; concurrency control;
D O I
暂无
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
For Real-Time DBMSs (RTDBMSs), both the integrity constraints of the database and the temporal constraints of the transactions must be respected. In this paper, we focus on the SCC real-time concurrency control protocol proposed by Bestavros et al. [1, 2, 3]. It is based on the duplication of the transactions and the use of the transaction timestamps to resolve the transaction conflicts. Despite its great performances in real-time distributed DBMSs [3], we propose an extension of the protocol to improve this performances in two ways: (1) the write-write conflicts are resolved with a particular method that is, to our mind, not applicable in real-time context and (2) for other conflicts, we propose an extended deadline-driven method combined with the transaction duplication. In this way, more transactions will respect their deadlines.
引用
收藏
页码:593 / 596
页数:4
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