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{"doc/source/admin/cpu-topologies.rst":[{"author":{"_account_id":6167,"name":"Ken\u0027ichi Ohmichi","email":"ken1ohmichi@gmail.com","username":"oomichi"},"change_message_id":"08d8c7b28e70336673a58f98384dc8e6bd612514","unresolved":false,"context_lines":[{"line_number":98,"context_line":""},{"line_number":99,"context_line":"NUMA topology can exist on both the physical hardware of the host, and the"},{"line_number":100,"context_line":"virtual hardware of the instance. In OpenStack, when booting a process, the"},{"line_number":101,"context_line":"hypervisor drivers looks at the NUMA topology field of both the instance and"},{"line_number":102,"context_line":"the host it is being booted on, and uses that information to generate an"},{"line_number":103,"context_line":"appropriate configuration."},{"line_number":104,"context_line":""}],"source_content_type":"text/x-rst","patch_set":1,"id":"3fa0c359_f934a24c","line":101,"range":{"start_line":101,"start_character":11,"end_line":101,"end_character":24},"updated":"2018-02-06 18:42:47.000000000","message":"s/drivers looks/driver looks/\n\nor \n\ns/drivers looks/drivers look/\n\nmaybe the first is better from the context.","commit_id":"d6cfc6a79f2d0def49842479da9fba86696c1a92"},{"author":{"_account_id":6167,"name":"Ken\u0027ichi Ohmichi","email":"ken1ohmichi@gmail.com","username":"oomichi"},"change_message_id":"08d8c7b28e70336673a58f98384dc8e6bd612514","unresolved":false,"context_lines":[{"line_number":104,"context_line":""},{"line_number":105,"context_line":"By default, an instance floats across all NUMA nodes on a host. NUMA awareness"},{"line_number":106,"context_line":"can be enabled implicitly through the use of huge pages or pinned CPUs or"},{"line_number":107,"context_line":"explicitly through the use of flavor extra specs or image metadata. If the the"},{"line_number":108,"context_line":"instance has requested a specific NUMA topology, compute will try to pin the"},{"line_number":109,"context_line":"vCPUs of different NUMA cells on the instance to the corresponding NUMA cells"},{"line_number":110,"context_line":"on the host. It will also expose the NUMA topology of the instance to the"}],"source_content_type":"text/x-rst","patch_set":1,"id":"3fa0c359_598fd629","line":107,"range":{"start_line":107,"start_character":71,"end_line":107,"end_character":78},"updated":"2018-02-06 18:42:47.000000000","message":"s/the the/the/ because of double the.","commit_id":"d6cfc6a79f2d0def49842479da9fba86696c1a92"},{"author":{"_account_id":6167,"name":"Ken\u0027ichi Ohmichi","email":"ken1ohmichi@gmail.com","username":"oomichi"},"change_message_id":"08d8c7b28e70336673a58f98384dc8e6bd612514","unresolved":false,"context_lines":[{"line_number":110,"context_line":"on the host. It will also expose the NUMA topology of the instance to the"},{"line_number":111,"context_line":"guest OS."},{"line_number":112,"context_line":""},{"line_number":113,"context_line":"If you want Compute to pin a particular vCPU as part of this process,"},{"line_number":114,"context_line":"set the ``vcpu_pin_set`` parameter in the ``nova.conf`` configuration"},{"line_number":115,"context_line":"file. For more information about the ``vcpu_pin_set`` parameter, see the"},{"line_number":116,"context_line":":doc:`/configuration/config`."}],"source_content_type":"text/x-rst","patch_set":1,"id":"3fa0c359_79c5f23b","line":113,"range":{"start_line":113,"start_character":12,"end_line":113,"end_character":19},"updated":"2018-02-06 18:42:47.000000000","message":"nit: s/Compute/compute/","commit_id":"d6cfc6a79f2d0def49842479da9fba86696c1a92"},{"author":{"_account_id":15334,"name":"Stephen Finucane","display_name":"stephenfin","email":"stephenfin@redhat.com","username":"sfinucan"},"change_message_id":"a18482c2b959941752d176a8bcb56c71e7241cc5","unresolved":false,"context_lines":[{"line_number":96,"context_line":"specific NUMA nodes for the purposes of DMA. Instances that use PCI or SR-IOV"},{"line_number":97,"context_line":"devices should be placed on the NUMA node associated with these devices."},{"line_number":98,"context_line":""},{"line_number":99,"context_line":"NUMA topology can exist on both the physical hardware of the host, and the"},{"line_number":100,"context_line":"virtual hardware of the instance. In OpenStack, when booting a process, the"},{"line_number":101,"context_line":"hypervisor driver looks at the NUMA topology field of both the instance and"},{"line_number":102,"context_line":"the host it is being booted on, and uses that information to generate an"}],"source_content_type":"text/x-rst","patch_set":2,"id":"3fa0c359_3b161eaa","line":99,"range":{"start_line":99,"start_character":65,"end_line":99,"end_character":66},"updated":"2018-02-09 15:21:47.000000000","message":"drop this","commit_id":"3546afefe5a377a22b683e324c67c305ad30f5e8"},{"author":{"_account_id":25625,"name":"Tetsuro Nakamura","email":"tetsuro.nakamura.bc@hco.ntt.co.jp","username":"tetsuro0907"},"change_message_id":"e98c0a46042fd8b4aafca15a9849b3aaf1ef7892","unresolved":false,"context_lines":[{"line_number":96,"context_line":"specific NUMA nodes for the purposes of DMA. Instances that use PCI or SR-IOV"},{"line_number":97,"context_line":"devices should be placed on the NUMA node associated with these devices."},{"line_number":98,"context_line":""},{"line_number":99,"context_line":"NUMA topology can exist on both the physical hardware of the host, and the"},{"line_number":100,"context_line":"virtual hardware of the instance. In OpenStack, when booting a process, the"},{"line_number":101,"context_line":"hypervisor driver looks at the NUMA topology field of both the instance and"},{"line_number":102,"context_line":"the host it is being booted on, and uses that information to generate an"}],"source_content_type":"text/x-rst","patch_set":2,"id":"3fa0c359_4afd4b6c","line":99,"range":{"start_line":99,"start_character":65,"end_line":99,"end_character":66},"in_reply_to":"3fa0c359_3b161eaa","updated":"2018-02-13 00:56:21.000000000","message":"Done","commit_id":"3546afefe5a377a22b683e324c67c305ad30f5e8"},{"author":{"_account_id":15334,"name":"Stephen Finucane","display_name":"stephenfin","email":"stephenfin@redhat.com","username":"sfinucan"},"change_message_id":"a18482c2b959941752d176a8bcb56c71e7241cc5","unresolved":false,"context_lines":[{"line_number":117,"context_line":""},{"line_number":118,"context_line":"In all cases where NUMA awareness is used, the ``NUMATopologyFilter``"},{"line_number":119,"context_line":"filter must be enabled. Details on this filter are provided in"},{"line_number":120,"context_line":":doc:`/admin/configuration/schedulers` in Nova configuration guide."},{"line_number":121,"context_line":""},{"line_number":122,"context_line":".. caution::"},{"line_number":123,"context_line":""}],"source_content_type":"text/x-rst","patch_set":2,"id":"3fa0c359_3b7b7ef5","line":120,"range":{"start_line":120,"start_character":38,"end_line":120,"end_character":67},"updated":"2018-02-09 15:21:47.000000000","message":"not related, but you can drop this.","commit_id":"3546afefe5a377a22b683e324c67c305ad30f5e8"},{"author":{"_account_id":25625,"name":"Tetsuro Nakamura","email":"tetsuro.nakamura.bc@hco.ntt.co.jp","username":"tetsuro0907"},"change_message_id":"e98c0a46042fd8b4aafca15a9849b3aaf1ef7892","unresolved":false,"context_lines":[{"line_number":117,"context_line":""},{"line_number":118,"context_line":"In all cases where NUMA awareness is used, the ``NUMATopologyFilter``"},{"line_number":119,"context_line":"filter must be enabled. Details on this filter are provided in"},{"line_number":120,"context_line":":doc:`/admin/configuration/schedulers` in Nova configuration guide."},{"line_number":121,"context_line":""},{"line_number":122,"context_line":".. caution::"},{"line_number":123,"context_line":""}],"source_content_type":"text/x-rst","patch_set":2,"id":"3fa0c359_6a028771","line":120,"range":{"start_line":120,"start_character":38,"end_line":120,"end_character":67},"in_reply_to":"3fa0c359_3b7b7ef5","updated":"2018-02-13 00:56:21.000000000","message":"Done","commit_id":"3546afefe5a377a22b683e324c67c305ad30f5e8"}]}