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20.10. 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 configuration 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. It is the responsibility of the app/admin to ensure that the partition exists prior to starting the guest virtual machine. Only the (hypervisor specific) default partition can be assumed to exist by default.

Figure 20.12. Resource partitioning

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