The V4DB project - support platform for testing the algorithms used in real-time databases

  • Authors:
  • Václav Król;Jan Pokorný;Jindřich Černohorský

  • Affiliations:
  • Institute of Information Technologies, Silesian University in Opava, Faculty of Business Administration in Karvina, Karviná, Czech Republic;Department of Measurement and Control, VŠB Technical University Ostrava, Faculty of Electrical Engineering and Informatics, Ostrava, Czech Republic;Department of Measurement and Control, VŠB Technical University Ostrava, Faculty of Electrical Engineering and Informatics, Ostrava, Czech Republic

  • Venue:
  • ICCOMP'06 Proceedings of the 10th WSEAS international conference on Computers
  • Year:
  • 2006

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Abstract

Many applications supported by a database management system are characterized by the requirement of timely access to the underlying database today. It is very difficult to achieve guaranteed real time database services when putting a database into a real-time environment because various components can compete for system resources. Previous research in real-time databases has focused primarily on evolution and evaluation of transaction processing algorithms, priority assignment strategies and concurrency control techniques. But for the most part the research efforts are based only on simulation studies with many parameters defined. Our objective is to design and implement an experimental real-time database system suitable for study of real time transaction processing. The experimental system is implemented as an integrated set of the most important functional parts of a veritable real-time database system. It serves as a support platform for performance evaluation of known and new algorithms of the particular processing components, including CPU scheduling, concurrency control and conflict resolution strategies. Because of the strong interactions among the processed components, proposed system can help us to understand their effect on system performance and to identify the most influencing factors.