SUSE Linux Enterprise Server 15 SP7 Virtualization Best Practices

This guide provides best practices for virtualization using SUSE Linux Enterprise Server 15 SP7. It outlines various virtualization scenarios and emphasizes the importance of proper configuration and resource allocation for VM Host Servers and VM Guests. The document begins by recommending the use of the libvirt framework for managing virtualization, detailing its advantages over hypervisor-specific tools. It also discusses the significance of testing workloads and making informed decisions based on hardware and resource capacity. The guide includes specific recommendations for memory management, such as the use of huge pages to enhance performance and reduce memory consumption. Additionally, it covers the implications of using Kernel Samepage Merging (KSM) for memory efficiency and the management of domain-0 memory in Xen environments. Overall, the document serves as a comprehensive resource for optimizing virtualization practices in a production environment.