EC2 Performance Analysis for Resource Provisioning of Service-Oriented Applications

D. Jiang, G.E.O. Pierre, C.-H. Chi

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review


Cloud computing is receiving increasingly attention as it provides infinite resource capacity and "pay-as-you-go" resource usage pattern to hosted applications. To maintain its SLA targets, resource provisioning of service-oriented applications in the cloud requires reliable performance from the cloud resources. In this paper, we study performance behavior of small instances in Amazon EC2. We demonstrate that the performance of virtual instances is relatively stable over time with fluctuations of mean response time within at most 8% of the long-term average. Moreover, we also show that different supposedly identical instances often have very different performance, up to a ratio 4 from each other. We consider this as an important issue that must be addressed, but also as an opportunity as it allows one to assign each instance with a task that matches its own performance profile.
Original languageEnglish
Title of host publicationProceedings of the 3rd Workshop on Non-Functional Properties and SLA Management in Service-Oriented Computing
Place of PublicationStockholm, Sweden
Publication statusPublished - 2009


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