Performance evaluation and management of enterprise application systems

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Organizations have come to rely heavily on enterprise applications to support their customers. These applications are typically used to provide business-oriented services such as online retailing and customer relationship management. They are often deployed on complex, multi-tiered platforms, which integrate various components such as Web servers, application servers, and database servers. An important consideration in building such systems is the Quality of Service (QoS), e.g., fast request response times, that the users experience. Poor performance can frustrate end users and can cause economic losses to organizations operating these services. The proposed research program seeks to gain an in-depth understanding of how the workloads experienced by such applications as well as properties of the modern multi-core server and virtualization platforms used to host them influence performance. The overarching objective of the program is to leverage such insights to devise novel techniques for optimizing and managing the performance of enterprise application systems.