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

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Provided by: University of Calcutta
Topic: Storage
Format: WORD
In this paper, the authors propose simple performance models to predict the impact of consolidation on the storage I/O performance of virtualized applications. They 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. Their approach allows a distinct characterization of read/write performance attributes on a per request level and provides valuable information for parameterization of storage I/O performance models.
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