Linux KVM Virtualization Performance
The hardware requirements to use KVM is an x86/x86_64 processor with AMD or Intel virtualization extensions and at least one Gigabyte of system memory to allow for enough RAM for the guest operating system. For our purposes, we had used two dual-core Intel Xeon LV processors with the Linux 2.6.20-rc3 kernel, which was released on January 1, 2007. Below is the rundown of system components used.
The benchmarks we had used for comparing the performance was Gzip compression, LAME compilation, LAME encoding, and RAMspeed. The virtualization environments we had used were QEMU 0.8.2 with the kqemu accelerator module, Xen 3.0.3, and finally KVM. We had also compared these virtualized environments against running Fedora Core 6 Zod without any form of virtualization. During the Xen 3.0.3 testing, we had used full virtualization and not para-virtualization. The image size was set to 10GB during the testing process. The operating system used throughout the entire testing process was Fedora Core 6 Zod.
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