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Since the first performance benchmarks proposed more than 25 years ago, the concept of comparing/ranking computer systems or components has proven to be a powerful instrument to promote the improvement of specific computer or software features. Following this path, many benchmarking studies have extended the benchmarking model initially proposed for performance to address the comparison of different...
The work on performance benchmarking has started long ago. Ranging from simple benchmarks that target a very specific system or component to very complex benchmarks for complex infrastructures, performance benchmarks have contributed to improve successive generations of systems. However, the fact that nowadays most systems need to guarantee high availability and reliability shows that it is necessary...
The increasing usage of third-party software and complexity of modern software systems makes dependability, in particular robustness against faulty code, an ever more important concern. To compare and quantitatively assess the dependability of different software systems, dependability benchmarks are needed. We present a configurable tool for dependability benchmarking, Hovac, which uses DLL API hooking...
This paper reports our experience in benchmarking a cloud-based web-service and investigates instability of its performance and the delays induced by the communication medium when measured from multiple client locations. We compare the performance of MS Azure, Go Grid and an in-house server running the same benchmark web service and analyze how the client and service implementation technologies affect...
In this paper we report our practical experience in benchmarking a System Biology Web Service, and investigate instability of its performance and the delays induced by the communication medium. We discuss the results of a statistical data analysis and discuss the causes affecting the Web Service performance. The uncertainty discovered in Web Services operations reduces the overall dependability of...
One of the primary tools for performance analysis of multi-tier systems are standardized benchmarks. They are used to evaluate system behavior under different circumstances to assess whether a system can handle real workloads in a production environment. Such benchmarks are also helpful to resolve situations when a system has an unacceptable performance or even crashes. System administrators and developers...
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