Especificação e Validação de Benchmarks de Confiabilidade para Sistemas Transaccionais (How to Specify and Validate Dependability Benchmarks for Transactional Systems)

Marco Vieira (mvieira@isec.pt)1, João Durães (jduraes@isec.pt)1, Henrique Madeira (henrique@dei.uc.pt)2


1ISEC/CISUC, Departamento de Engenharia Informática e de Sistemas, Instituto Superior de Engenharia de Coimbra, Portugal
2DEI/CISUC, Departamento de Engenharia Informática, Universidade de Coimbra, Portugal

This paper appears in: Revista IEEE América Latina

Publication Date: March 2005
Volume: 3,   Issue: 1 
ISSN: 1548-0992


Abstract:
Dependability benchmarking has been subject of intense research in recent years, having already led to the proposal of dependability benchmarks for database systems. However, the methodology to define dependability benchmarks is not clear yet. Furthermore, and more important, the validation of the proposed benchmarks has been disregarded so far. This question is particularly acute, as the ultimate goal of a dependability benchmark is to allow the comparison of different systems/components, which means that without proper validation of the benchmark one may draw wrong conclusions. This paper proposes a set of general guidelines for the definition and validation of dependability benchmarks for database centric On-Line Transaction Processing (OLTP) systems. The close relationship between the definition of a dependability benchmark and the validation aspects is also addressed.

Index Terms:
Databases, benchmarking, dependability, transactional systems.   


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