Performance Models of Storage Contention in Cloud Environments

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Provided by: Sap Interface
Topic: Cloud
Format: PDF
The authors propose simple models to predict the performance degradation of disk requests due to storage device contention in consolidated virtualized environments. Model parameters can be deduced from measurements obtained inside Virtual Machines (VMs) from a system where a single VM accesses a remote storage server. The parameterized model can then be used to predict the effect of storage contention when multiple VMs are consolidated on the same server. They first propose a trace-driven approach that evaluates a queuing network with fair share scheduling using simulation.
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