Henning Schulz

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Instrumentation and monitoring plays an important role in measurement-based performance evaluation of software systems. To this end, a large body of instrumentation and monitoring tools exist which, however, depend on proprietary and programming-language-specific instrumentation languages. Due to the lack of a common instrumentation language, it is(More)
Instrumentation and monitoring plays an important role in measurement-based performance analysis of software systems. However, in practice the performance overhead of extensive instrumentation is not negligible. Experiment-based performance analysis overcomes this problem through a series of experiments on selectively instrumented code, but requires(More)
Description In order to define non-functional requirements, interested parties usually sign service level agreement. The main problem is that there is no universal standard for defining SLAs. Another problem is the fact that these SLAs are not human readable, so they are hard to maintain. The next challenge arises when the fulfilment of SLA has to be(More)
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