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Virtual machine (VM) consolidation is very popular in cloud computing systems for numerous reasons including improvement of resource utilization, saving of infrastructure costs and ease of management. However, consolidation also causes contention in virtualized environments such as causing to degradation of VM performance. In this paper, we present an effective consolidation system which is able to...
This research describes a general model for estimating performance of collocated virtual machines (VMs) on physical machines (PMs). This prediction is measured based on resource contention between several VMs. Using a Fuzzy model, we predict how VMs and PMs would be affected in different work scenarios. Base on the Model, the level of contention on the resource usage is quantified and can be used...
A central goal of cloud computing is high resource utilization through hardware sharing; however, utilization often remains modest in practice due to the challenges in predicting consolidated application performance accurately. We present a thorough experimental study of consolidated n-tier application performance at high utilization to address this issue through reproducible measurements. Our experimental...
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