File System Performance Comparison with KVM and Xen as Type-1 Linux-Based Hypervisors

Keywords:
Hypervisor, KVM, Xen, CentOS 9, Virtual Machine - VM, Filebench

Abstract:
This study compares FS (file systen performance between bare-metal hypervisors built on the Linux architecture, focusing on KVM and Xen. While both divide Linux-based and QEMU-based architectures, detailed analysis reveals important differences. Filebench was chosen as the benchmarking tool for its adaptability in emulating real-world applications within authentic server environments. CentOS 9, a representative Linux distribution, served as the guest OS. Performance was assessed while running one, two, and three VM (virtual machine) concurrently, highlighting scalability under varying loads. The study introduces a mathematical model of the bare-metal virtualized environment to establish a theoretical framework for performance analysis. Empirical experiments complement the model, serving as specific case studies. By combining theoretical modeling with practical experimentation, the research provides a deeper understanding of the factors influencing FS performance in virtualized environments.

CITATION:

IEEE format

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B. Đorđević, K. Janjić, N. Kraljević, “File System Performance Comparison with KVM and Xen as Type-1 Linux-Based Hypervisors,” in Sinteza 2025 - International Scientific Conference on Information Technology, Computer Science, and Data Science, Belgrade, Singidunum University, Serbia, 2025, pp. 97-104. doi:10.15308/Sinteza-2025-97-104

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Đorđević, B., Janjić, K., Kraljević, N. (2025). File System Performance Comparison with KVM and Xen as Type-1 Linux-Based Hypervisors. Paper presented at Sinteza 2025 - International Scientific Conference on Information Technology, Computer Science, and Data Science. doi:10.15308/Sinteza-2025-97-104

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