A Model of Storage I/O Performance Interference in Virtualized Systems

  title={A Model of Storage I/O Performance Interference in Virtualized Systems},
  author={Giuliano Casale and Stephan Kraft and Diwakar Krishnamurthy},
  journal={2011 31st International Conference on Distributed Computing Systems Workshops},
In this paper, we propose simple performance models to predict the impact of consolidation on the storage I/O performance of virtualized applications. We use a measurement-based approach based on tools such as blktrace and tshark for storage workload characterization in a commercial virtualized solution, namely VMware ESX server. Our approach allows a distinct characterization of read/write performance attributes on a per request level and provides valuable information for parameterization of… CONTINUE READING
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