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Moving (copying) Admin User Guide CLI content to the Cloud Admin Guide as a part of the reorganization goal. This patch does not include any new or original content. This patch is Part 1 to create a new command- line client section for Admin Users in the Cloud Admin Guide, as disucssed in the User Guide Specialty team meetings. 1) Creating a new CLI section with cli.rst 2) Moving the non common files from user-guide-admin to admin-guide-cloud, along with their sub files. (Rename user-guide-admin files to user cli_ prefix in admin- guide-cloud.) manage_projects_users_and_roles.rst nova_cli_manage_projects_security.rst cli_manage_services.rst cli_manage_shares.rst cli_manage_flavors.rst cli_admin_manage_environment.rst cli_set_quotas.rst analyzing-log-files-with-swift-cli.rst cli_cinder_scheduling.rst 3) Attempt updates to several links. Change-Id: I97f4ced4f5033c7e0f3bf00c410288a75699d110 Implements: blueprint user-guides-reorganised
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Consider NUMA topology when booting instances
NUMA topology can exist on both the physical hardware of the host, and the virtual hardware of the instance. OpenStack Compute uses libvirt to tune instances to take advantage of NUMA topologies. The libvirt driver boot process looks at the NUMA topology field of both the instance and the host it is being booted on, and uses that information to generate an appropriate configuration.
If the host is NUMA capable, but the instance has not requested a NUMA topology, Compute attempts to pack the instance into a single cell. If this fails, though, Compute will not continue to try.
If the host is NUMA capable, and the instance has requested a specific NUMA topology, Compute will try to pin the vCPUs of different NUMA cells on the instance to the corresponding NUMA cells on the host. It will also expose the NUMA topology of the instance to the guest OS.
If you want Compute to pin a particular vCPU as part of this process,
set the vcpu_pin_set parameter in the
nova.conf configuration file. For more information about
the vcpu_pin_set parameter, see the Configuration Reference
Guide.