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- W2321466224 abstract "Workload characterization is an important feature in a cloud environment. Using a fast and accurate characterization cloud providers can allocate virtual machines in physical hosts that best fit a specific workload and improve the overall performance without new investments. Current strategies of workload characterization are based on complex algorithms that are difficult to apply in a cloud environment with thousands of virtual machines running. Other strategies to characterize virtual machines rely on several changes in a hypervisor, or virtual machine layer, and are hypervisordependent. This paper presents a hypervisor agnostic characterization methodology that uses standard metrics of Processor and Memory utilization, available in SNMP. Collected data are normalized and applied to a low computational cost decision tree, that is able to characterize a virtual machine in a customizable time window. As evaluation, some tests were performed in different hypervisors (KVM, Xen and VMWare) running spec benchmark and in real workloads, such as Hadoop Cluster in Rackspace and a production Web Server running in a VMWare Farm. Results showed that our methodology is able to infer a very accurate characterization." @default.
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- W2321466224 date "2012-01-01" @default.
- W2321466224 modified "2023-10-08" @default.
- W2321466224 title "Hypervisor Agnostic Workload Characterization of Virtual Machines" @default.
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- W2321466224 doi "https://doi.org/10.2316/p.2012.789-046" @default.
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