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23.11. Resource Partitioning

Hypervisors may allow for virtual machines to be placed into resource partitions, potentially with nesting of said partitions. The <resource> element groups together configurations related to resource partitioning. It currently supports a child element partition whose content defines the path of the resource partition in which to place the domain. If no partition is listed, then the domain will be placed in a default partition. The partition must be created prior to starting the guest virtual machine. Only the (hypervisor-specific) default partition can be assumed to exist by default.

Figure 23.13. Resource partitioning

Resource partitions are currently supported by the KVM and LXC drivers, which map partition paths to cgroups directories in all mounted controllers.