Computer Performance Engineering. 18th European Workshop, EPEW 2022 Santa Pola, Spain, September 21–23, 2022 Proceedings

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Preface Organization Contents Robustness Analysis Measuring Streaming System Robustness Using Non-parametric Goodness-of-Fit Tests 1 Introduction 2 Background and Motivation 3 Summary of Test Statistics 3.1 Kolmogorov-Smirnov 3.2 Cramér-von Mises 3.3 Anderson-Darling 3.4 Epps-Singleton 4 Methods 4.1 System 4.2 Workloads 5 Results 6 Conclusion References Effectiveness of Pre-computed Knowledge in Self-adaptation - A Robustness Study 1 Introduction 2 PMC-Supported Decision Making 2.1 Model-Based Offline Analysis 2.2 Runtime Decision Making 3 Robustness of PMC-Supported Decision Making 3.1 Experiment Setup 3.2 Evaluation of PMC-Based Strategies 3.3 Impact of Unexpected Workloads 3.4 Controllable Factors of the PMC-Supported Decision Making 3.5 Performance and Scalability of PMC-Based Decision Making 4 Conclusion References Applications Energy Consumption Estimation for Electric Vehicles Using Routing API Data 1 Introduction 2 Energy Consumption and Driving Cycles 3 Data Collection Process and Analysis 3.1 Traffic Data Exploration 3.2 Data Collection 4 Route Based Driving Cycle Construction 4.1 Applying Acceleration and Deceleration Between Route Segments 4.2 Adding Noise Function 4.3 Smoothing the Sharp Edges 5 Generating the Power Demand Using Electric Vehicle's Dynamics 5.1 Battery Model Dynamics and Energy Consumption Estimation 6 Results 7 Conclusion and Future Work References A Robust Approximation for Multiclass Multiserver Queues with Applications to Microservices Systems 1 Introduction 2 The Model and the Approximations 2.1 The Approximations for One Class 3 Class Aggregation 3.1 Evaluation Cases 4 The Approximation Error 4.1 Errors with  T