Modelling exogenous variability in cloud deployments
ACM SIGMETRICS Performance Evaluation Review
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We introduce OF Bench, a new research benchmark for enterprise applications. OF Bench is a load generator for the demo e-commerce component of the Apache OF Biz enterprise resource planning (ERP) framework. ERP applications are increasingly important in the cloud market due to the growing popularity of Software-as-a-Service (SaaS) solutions, hence OF Bench is useful to explore the resource consumption patterns arising in these applications. On client-side, OF Bench features randomized customer surfing patterns, workload generation based on automation of real web browsers, reproducible burstiness in inter-request and inter-session think times, non-stationary workload generation. On server-side, it features JMX performance monitoring, business logic instrumentation, and synchronization with client-side monitoring via TCP sockets. We illustrate the execution of the benchmark in example runs and use them to investigate the overheads of JMX-based monitoring.