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14.7.2. Setting NUMA Parameters
The
virsh numatune can either set or retrieve the NUMA parameters for a specified domain. Within the Domain XML file these parameters are nested within the <numatune> element. Without using options, only the current settings are displayed. The numatune domain command requires a specified domain and can take the following options:
--mode- The mode can be set to eitherstrict,interleave, orpreferred. Running domains cannot have their mode changed while live unless the domain was started withinstrictmode.--nodesetcontains a list of NUMA nodes that are used by the host physical machine for running the domain. The list contains nodes, each separated by a comma, with a dash-used for node ranges and a caret^used for excluding a node.- Only one of the following three options can be used per instance:
--configwill take effect on the next boot of a persistent guest virtual machine.--livewill set the scheduler information of a running guest virtual machine.--currentwill affect the current state of the guest virtual machine.
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