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[Bug 2017114] [NEW] Set cpu_allocation_ratio by placement cli , lead to compute_nodes table keep old cpu_allocation_ratio

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: rune32bit <2017114@xxxxxxxxxxxxxxxxxx>
Date: Thu, 20 Apr 2023 09:24:45 -0000
Reply-to: Bug 2017114 <2017114@xxxxxxxxxxxxxxxxxx>
Sender: noreply@xxxxxxxxxxxxx
Public bug reported:

Hello, I encountered some problems when using the cpu_allocation_ratio
and I hope to get help from the community.

old nova.conf
cpu_allocation_ratio=10.0

new nova.conf:
initial_cpu_allocation_ratio=4.0

I restart nova-compute service, and execute placement cli:
openstack resource provider inventory set 959339b3-6d23-4780-8052-a51067c00659 --resource VCPU:allocation_ratio=5 --amend

()[root@nova-maintenance-7f9cc4b8b8-mbpsq /]# openstack resource provider inventory set 959339b3-6d23-4780-8052-a51067c00659 --resource VCPU:allocation_ratio=5 --amend
+----------------+------------------+----------+----------+----------+-----------+-------+
| resource_class | allocation_ratio | min_unit | max_unit | reserved | step_size | total |
+----------------+------------------+----------+----------+----------+-----------+-------+
| VCPU           |              5.0 |        1 |        6 |        0 |         1 |     6 |
| MEMORY_MB      |              1.0 |        1 |    64116 |    52224 |         1 | 64116 |
| DISK_GB        |              1.0 |        1 |     1637 |        0 |         1 |  1637 |
+----------------+------------------+----------+----------+----------+-----------+-------+

compute_nodes table record: this is old value
MariaDB [nova]> select host,cpu_allocation_ratio,uuid from compute_nodes;
+-------------------+----------------------+--------------------------------------+
| host              | cpu_allocation_ratio | uuid                                 |
+-------------------+----------------------+--------------------------------------+
| node-2.domain.tld |                   10 | 959339b3-6d23-4780-8052-a51067c00659 |
+-------------------+----------------------+--------------------------------------+

NUMATopologyFilter will use compute.cpu_allocation_ratio to host_passes
numa vm, not inventory VCPU allocation_ratio. This will result in
scheduling errors.

scheduler log:
2023-04-20 16:31:46.878 14 INFO nova.scheduler.manager [req-dce98e42-b992-4787-a1e1-7e7bfc3b2df7 68bf65903042427ba614d71ae1202221 54ebca1a767a4b7bbf2ef98c91cdf4e0 - default default] Starting to schedule for instances: ['042f39ce-6887-418f-869b-80cac9987ab9']
2023-04-20 16:31:46.988 14 WARNING nova.scheduler.utils [req-dce98e42-b992-4787-a1e1-7e7bfc3b2df7 68bf65903042427ba614d71ae1202221 54ebca1a767a4b7bbf2ef98c91cdf4e0 - default default] Info cache for instance 042f39ce-6887-418f-869b-80cac9987ab9 could not be found.: nova.exception.InstanceInfoCacheNotFound: Info cache for instance 042f39ce-6887-418f-869b-80cac9987ab9 could not be found.
2023-04-20 16:31:46.998 14 INFO nova.scheduler.host_manager [req-dce98e42-b992-4787-a1e1-7e7bfc3b2df7 68bf65903042427ba614d71ae1202221 54ebca1a767a4b7bbf2ef98c91cdf4e0 - default default] Update host state from compute node: ComputeNode(cpu_allocation_ratio=10.0,cpu_info='{"arch": "x86_64", "model": "Broadwell-IBRS", "vendor": "Intel", "topology": {"cells": 1, "sockets": 16, "cores": 1, "threads": 1}, "features": ["pat", "pclmuldq", "avx2", "ibrs-all", "rtm", "arat", "lahf_lm", "arch-capabilities", "avx512vbmi", "wbnoinvd", "ssbd", "sse4.1", "abm", "md-clear", "sse4.2", "avx512vnni", "umip", "rdseed", "fma", "mtrr", "stibp", "avx512bw", "xsaves", "lm", "rdtscp", "sha-ni", "clflushopt", "hypervisor", "movbe", "vpclmulqdq", "bmi1", "fpu", "avx512vbmi2", "erms", "f16c", "vme", "sep", "vmx", "clflush", "ss", "tsx-ctrl", "smap", "pcid", "3dnowprefetch", "tsc", "skip-l1dfl-vmentry", "pni", "mce", "avx512vl", "tsc-deadline", "cx16", "avx512dq", "pge", "smep", "avx512-vpopcntdq", "syscall", "avx512f", "apic", "xsavec", "avx", "fsgsbase", "avx512cd", "mds-no", "nx", "avx512ifma", "xsave", "aes", "msr", "vaes", "pku", "spec-ctrl", "cmov", "de", "ssse3", "la57", "pae", "adx", "fxsr", "rdctl-no", "pse36", "clwb", "tsc_adjust", "cx8", "mca", "sse", "bmi2", "rdrand", "hle", "pse", "sse2", "gfni", "xgetbv1", "taa-no", "xsaveopt", "avx512bitalg", "pdpe1gb", "x2apic", "invpcid", "mmx", "pschange-mc-no", "popcnt"]}',created_at=2022-12-07T03:30:37Z,current_workload=0,deleted=False,deleted_at=None,disk_allocation_ratio=1.0,disk_available_least=103,free_disk_gb=1637,free_ram_mb=10868,host='node-3.domain.tld',host_ip=192.168.10.5,hypervisor_hostname='node-3.domain.tld',hypervisor_type='QEMU',hypervisor_version=4002000,id=8,local_gb=1637,local_gb_used=0,mapped=1,memory_mb=64116,memory_mb_used=53248,metrics='[]',numa_topology='{"nova_object.name": "NUMATopology", "nova_object.namespace": "nova", "nova_object.version": "1.2", "nova_object.data": {"cells": [{"nova_object.name": "NUMACell", "nova_object.namespace": "nova", "nova_object.version": "1.5", "nova_object.data": {"id": 0, "cpuset": [10, 11, 12, 13, 14, 15], "pcpuset": [10, 11, 12, 13, 14, 15], "memory": 64116, "cpu_usage": 0, "memory_usage": 0, "pinned_cpus": [], "siblings": [[15], [10], [11], [12], [13], [14]], "mempages": [{"nova_object.name": "NUMAPagesTopology", "nova_object.namespace": "nova", "nova_object.version": "1.1", "nova_object.data": {"size_kb": 4, "total": 14316589, "used": 0, "reserved": 0}, "nova_object.changes": ["size_kb", "reserved", "total", "used"]}, {"nova_object.name": "NUMAPagesTopology", "nova_object.namespace": "nova", "nova_object.version": "1.1", "nova_object.data": {"size_kb": 2048, "total": 4096, "used": 0, "reserved": 0}, "nova_object.changes": ["size_kb", "reserved", "total", "used"]}, {"nova_object.name": "NUMAPagesTopology", "nova_object.namespace": "nova", "nova_object.version": "1.1", "nova_object.data": {"size_kb": 1048576, "total": 0, "used": 0, "reserved": 0}, "nova_object.changes": ["size_kb", "reserved", "total", "used"]}], "network_metadata": {"nova_object.name": "NetworkMetadata", "nova_object.namespace": "nova", "nova_object.version": "1.0", "nova_object.data": {"physnets": [], "tunneled": false}, "nova_object.changes": ["tunneled", "physnets"]}, "socket": null}, "nova_object.changes": ["socket", "cpu_usage", "pinned_cpus", "id", "network_metadata", "pcpuset", "memory_usage", "mempages", "siblings", "cpuset", "memory"]}]}, "nova_object.changes": ["cells"]}',pci_device_pools=PciDevicePoolList,ram_allocation_ratio=1.0,running_vms=1,service_id=None,stats={failed_builds='0',io_workload='0',num_instances='1',num_os_type_None='1',num_proj_54ebca1a767a4b7bbf2ef98c91cdf4e0='1',num_task_None='1',num_vm_active='1'},supported_hv_specs=[HVSpec,HVSpec,HVSpec,HVSpec],updated_at=2023-04-20T08:28:33Z,uuid=53907eb2-1d14-447d-87da-c23c16f7df7a,vcpus=6,vcpus_used=2)
2023-04-20 16:31:47.000 14 INFO nova.scheduler.host_manager [req-dce98e42-b992-4787-a1e1-7e7bfc3b2df7 68bf65903042427ba614d71ae1202221 54ebca1a767a4b7bbf2ef98c91cdf4e0 - default default] Update host state from compute node: ComputeNode(cpu_allocation_ratio=10.0,cpu_info='{"arch": "x86_64", "model": "Broadwell-IBRS", "vendor": "Intel", "topology": {"cells": 1, "sockets": 16, "cores": 1, "threads": 1}, "features": ["arch-capabilities", "avx512vnni", "smep", "3dnowprefetch", "umip", "md-clear", "pat", "avx2", "hle", "taa-no", "pdpe1gb", "pse36", "ss", "pschange-mc-no", "avx512vl", "sse4.1", "fxsr", "avx512bw", "gfni", "vme", "avx512f", "avx512bitalg", "aes", "msr", "sse4.2", "fsgsbase", "movbe", "mds-no", "clflushopt", "smap", "clwb", "xsaves", "fpu", "apic", "avx512cd", "sha-ni", "abm", "ssbd", "bmi1", "avx", "mmx", "spec-ctrl", "avx512dq", "mce", "lahf_lm", "pni", "xsave", "rdseed", "ibrs-all", "rdrand", "vpclmulqdq", "avx512vbmi2", "pge", "mtrr", "tsc-deadline", "ssse3", "nx", "arat", "cmov", "tsc_adjust", "vaes", "sse2", "tsc", "wbnoinvd", "x2apic", "cx8", "rdtscp", "lm", "clflush", "fma", "avx512ifma", "vmx", "mca", "xsaveopt", "rdctl-no", "avx512vbmi", "xsavec", "de", "tsx-ctrl", "popcnt", "syscall", "f16c", "invpcid", "hypervisor", "erms", "pae", "pse", "pku", "sse", "rtm", "pcid", "adx", "cx16", "stibp", "pclmuldq", "skip-l1dfl-vmentry", "bmi2", "la57", "xgetbv1", "sep", "avx512-vpopcntdq"]}',created_at=2022-12-07T03:30:39Z,current_workload=0,deleted=False,deleted_at=None,disk_allocation_ratio=1.0,disk_available_least=103,free_disk_gb=1637,free_ram_mb=11892,host='node-2.domain.tld',host_ip=192.168.10.4,hypervisor_hostname='node-2.domain.tld',hypervisor_type='QEMU',hypervisor_version=4002000,id=11,local_gb=1637,local_gb_used=0,mapped=1,memory_mb=64116,memory_mb_used=52224,metrics='[]',numa_topology='{"nova_object.name": "NUMATopology", "nova_object.namespace": "nova", "nova_object.version": "1.2", "nova_object.data": {"cells": [{"nova_object.name": "NUMACell", "nova_object.namespace": "nova", "nova_object.version": "1.5", "nova_object.data": {"id": 0, "cpuset": [10, 11, 12, 13, 14, 15], "pcpuset": [10, 11, 12, 13, 14, 15], "memory": 64116, "cpu_usage": 0, "memory_usage": 0, "pinned_cpus": [], "siblings": [[15], [10], [11], [12], [13], [14]], "mempages": [{"nova_object.name": "NUMAPagesTopology", "nova_object.namespace": "nova", "nova_object.version": "1.1", "nova_object.data": {"size_kb": 4, "total": 13792305, "used": 0, "reserved": 0}, "nova_object.changes": ["size_kb", "used", "total", "reserved"]}, {"nova_object.name": "NUMAPagesTopology", "nova_object.namespace": "nova", "nova_object.version": "1.1", "nova_object.data": {"size_kb": 2048, "total": 5120, "used": 0, "reserved": 0}, "nova_object.changes": ["size_kb", "used", "total", "reserved"]}, {"nova_object.name": "NUMAPagesTopology", "nova_object.namespace": "nova", "nova_object.version": "1.1", "nova_object.data": {"size_kb": 1048576, "total": 0, "used": 0, "reserved": 0}, "nova_object.changes": ["size_kb", "used", "total", "reserved"]}], "network_metadata": {"nova_object.name": "NetworkMetadata", "nova_object.namespace": "nova", "nova_object.version": "1.0", "nova_object.data": {"physnets": [], "tunneled": false}, "nova_object.changes": ["tunneled", "physnets"]}, "socket": null}, "nova_object.changes": ["socket", "cpu_usage", "mempages", "memory", "memory_usage", "pcpuset", "id", "siblings", "cpuset", "pinned_cpus", "network_metadata"]}]}, "nova_object.changes": ["cells"]}',pci_device_pools=PciDevicePoolList,ram_allocation_ratio=1.0,running_vms=0,service_id=None,stats={failed_builds='0'},supported_hv_specs=[HVSpec,HVSpec,HVSpec,HVSpec],updated_at=2023-04-20T08:00:04Z,uuid=959339b3-6d23-4780-8052-a51067c00659,vcpus=6,vcpus_used=0)
2023-04-20 16:31:47.001 14 INFO nova.filters [req-dce98e42-b992-4787-a1e1-7e7bfc3b2df7 68bf65903042427ba614d71ae1202221 54ebca1a767a4b7bbf2ef98c91cdf4e0 - default default] Starting with 2 host(s)
2023-04-20 16:31:47.001 14 INFO nova.filters [req-dce98e42-b992-4787-a1e1-7e7bfc3b2df7 68bf65903042427ba614d71ae1202221 54ebca1a767a4b7bbf2ef98c91cdf4e0 - default default] Filter AvailabilityZoneFilter returned 2 host(s)

** Affects: nova
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/2017114

Title:
  Set cpu_allocation_ratio by  placement cli , lead to compute_nodes
  table keep old cpu_allocation_ratio

Status in OpenStack Compute (nova):
  New

Bug description:
  Hello, I encountered some problems when using the cpu_allocation_ratio
  and I hope to get help from the community.

  old nova.conf
  cpu_allocation_ratio=10.0

  new nova.conf:
  initial_cpu_allocation_ratio=4.0

  I restart nova-compute service, and execute placement cli:
  openstack resource provider inventory set 959339b3-6d23-4780-8052-a51067c00659 --resource VCPU:allocation_ratio=5 --amend

  ()[root@nova-maintenance-7f9cc4b8b8-mbpsq /]# openstack resource provider inventory set 959339b3-6d23-4780-8052-a51067c00659 --resource VCPU:allocation_ratio=5 --amend
  +----------------+------------------+----------+----------+----------+-----------+-------+
  | resource_class | allocation_ratio | min_unit | max_unit | reserved | step_size | total |
  +----------------+------------------+----------+----------+----------+-----------+-------+
  | VCPU           |              5.0 |        1 |        6 |        0 |         1 |     6 |
  | MEMORY_MB      |              1.0 |        1 |    64116 |    52224 |         1 | 64116 |
  | DISK_GB        |              1.0 |        1 |     1637 |        0 |         1 |  1637 |
  +----------------+------------------+----------+----------+----------+-----------+-------+

  compute_nodes table record: this is old value
  MariaDB [nova]> select host,cpu_allocation_ratio,uuid from compute_nodes;
  +-------------------+----------------------+--------------------------------------+
  | host              | cpu_allocation_ratio | uuid                                 |
  +-------------------+----------------------+--------------------------------------+
  | node-2.domain.tld |                   10 | 959339b3-6d23-4780-8052-a51067c00659 |
  +-------------------+----------------------+--------------------------------------+

  NUMATopologyFilter will use compute.cpu_allocation_ratio to
  host_passes numa vm, not inventory VCPU allocation_ratio. This will
  result in scheduling errors.

  scheduler log:
  2023-04-20 16:31:46.878 14 INFO nova.scheduler.manager [req-dce98e42-b992-4787-a1e1-7e7bfc3b2df7 68bf65903042427ba614d71ae1202221 54ebca1a767a4b7bbf2ef98c91cdf4e0 - default default] Starting to schedule for instances: ['042f39ce-6887-418f-869b-80cac9987ab9']
  2023-04-20 16:31:46.988 14 WARNING nova.scheduler.utils [req-dce98e42-b992-4787-a1e1-7e7bfc3b2df7 68bf65903042427ba614d71ae1202221 54ebca1a767a4b7bbf2ef98c91cdf4e0 - default default] Info cache for instance 042f39ce-6887-418f-869b-80cac9987ab9 could not be found.: nova.exception.InstanceInfoCacheNotFound: Info cache for instance 042f39ce-6887-418f-869b-80cac9987ab9 could not be found.
  2023-04-20 16:31:46.998 14 INFO nova.scheduler.host_manager [req-dce98e42-b992-4787-a1e1-7e7bfc3b2df7 68bf65903042427ba614d71ae1202221 54ebca1a767a4b7bbf2ef98c91cdf4e0 - default default] Update host state from compute node: ComputeNode(cpu_allocation_ratio=10.0,cpu_info='{"arch": "x86_64", "model": "Broadwell-IBRS", "vendor": "Intel", "topology": {"cells": 1, "sockets": 16, "cores": 1, "threads": 1}, "features": ["pat", "pclmuldq", "avx2", "ibrs-all", "rtm", "arat", "lahf_lm", "arch-capabilities", "avx512vbmi", "wbnoinvd", "ssbd", "sse4.1", "abm", "md-clear", "sse4.2", "avx512vnni", "umip", "rdseed", "fma", "mtrr", "stibp", "avx512bw", "xsaves", "lm", "rdtscp", "sha-ni", "clflushopt", "hypervisor", "movbe", "vpclmulqdq", "bmi1", "fpu", "avx512vbmi2", "erms", "f16c", "vme", "sep", "vmx", "clflush", "ss", "tsx-ctrl", "smap", "pcid", "3dnowprefetch", "tsc", "skip-l1dfl-vmentry", "pni", "mce", "avx512vl", "tsc-deadline", "cx16", "avx512dq", "pge", "smep", "avx512-vpopcntdq", "syscall", "avx512f", "apic", "xsavec", "avx", "fsgsbase", "avx512cd", "mds-no", "nx", "avx512ifma", "xsave", "aes", "msr", "vaes", "pku", "spec-ctrl", "cmov", "de", "ssse3", "la57", "pae", "adx", "fxsr", "rdctl-no", "pse36", "clwb", "tsc_adjust", "cx8", "mca", "sse", "bmi2", "rdrand", "hle", "pse", "sse2", "gfni", "xgetbv1", "taa-no", "xsaveopt", "avx512bitalg", "pdpe1gb", "x2apic", "invpcid", "mmx", "pschange-mc-no", "popcnt"]}',created_at=2022-12-07T03:30:37Z,current_workload=0,deleted=False,deleted_at=None,disk_allocation_ratio=1.0,disk_available_least=103,free_disk_gb=1637,free_ram_mb=10868,host='node-3.domain.tld',host_ip=192.168.10.5,hypervisor_hostname='node-3.domain.tld',hypervisor_type='QEMU',hypervisor_version=4002000,id=8,local_gb=1637,local_gb_used=0,mapped=1,memory_mb=64116,memory_mb_used=53248,metrics='[]',numa_topology='{"nova_object.name": "NUMATopology", "nova_object.namespace": "nova", "nova_object.version": "1.2", "nova_object.data": {"cells": [{"nova_object.name": "NUMACell", "nova_object.namespace": "nova", "nova_object.version": "1.5", "nova_object.data": {"id": 0, "cpuset": [10, 11, 12, 13, 14, 15], "pcpuset": [10, 11, 12, 13, 14, 15], "memory": 64116, "cpu_usage": 0, "memory_usage": 0, "pinned_cpus": [], "siblings": [[15], [10], [11], [12], [13], [14]], "mempages": [{"nova_object.name": "NUMAPagesTopology", "nova_object.namespace": "nova", "nova_object.version": "1.1", "nova_object.data": {"size_kb": 4, "total": 14316589, "used": 0, "reserved": 0}, "nova_object.changes": ["size_kb", "reserved", "total", "used"]}, {"nova_object.name": "NUMAPagesTopology", "nova_object.namespace": "nova", "nova_object.version": "1.1", "nova_object.data": {"size_kb": 2048, "total": 4096, "used": 0, "reserved": 0}, "nova_object.changes": ["size_kb", "reserved", "total", "used"]}, {"nova_object.name": "NUMAPagesTopology", "nova_object.namespace": "nova", "nova_object.version": "1.1", "nova_object.data": {"size_kb": 1048576, "total": 0, "used": 0, "reserved": 0}, "nova_object.changes": ["size_kb", "reserved", "total", "used"]}], "network_metadata": {"nova_object.name": "NetworkMetadata", "nova_object.namespace": "nova", "nova_object.version": "1.0", "nova_object.data": {"physnets": [], "tunneled": false}, "nova_object.changes": ["tunneled", "physnets"]}, "socket": null}, "nova_object.changes": ["socket", "cpu_usage", "pinned_cpus", "id", "network_metadata", "pcpuset", "memory_usage", "mempages", "siblings", "cpuset", "memory"]}]}, "nova_object.changes": ["cells"]}',pci_device_pools=PciDevicePoolList,ram_allocation_ratio=1.0,running_vms=1,service_id=None,stats={failed_builds='0',io_workload='0',num_instances='1',num_os_type_None='1',num_proj_54ebca1a767a4b7bbf2ef98c91cdf4e0='1',num_task_None='1',num_vm_active='1'},supported_hv_specs=[HVSpec,HVSpec,HVSpec,HVSpec],updated_at=2023-04-20T08:28:33Z,uuid=53907eb2-1d14-447d-87da-c23c16f7df7a,vcpus=6,vcpus_used=2)
  2023-04-20 16:31:47.000 14 INFO nova.scheduler.host_manager [req-dce98e42-b992-4787-a1e1-7e7bfc3b2df7 68bf65903042427ba614d71ae1202221 54ebca1a767a4b7bbf2ef98c91cdf4e0 - default default] Update host state from compute node: ComputeNode(cpu_allocation_ratio=10.0,cpu_info='{"arch": "x86_64", "model": "Broadwell-IBRS", "vendor": "Intel", "topology": {"cells": 1, "sockets": 16, "cores": 1, "threads": 1}, "features": ["arch-capabilities", "avx512vnni", "smep", "3dnowprefetch", "umip", "md-clear", "pat", "avx2", "hle", "taa-no", "pdpe1gb", "pse36", "ss", "pschange-mc-no", "avx512vl", "sse4.1", "fxsr", "avx512bw", "gfni", "vme", "avx512f", "avx512bitalg", "aes", "msr", "sse4.2", "fsgsbase", "movbe", "mds-no", "clflushopt", "smap", "clwb", "xsaves", "fpu", "apic", "avx512cd", "sha-ni", "abm", "ssbd", "bmi1", "avx", "mmx", "spec-ctrl", "avx512dq", "mce", "lahf_lm", "pni", "xsave", "rdseed", "ibrs-all", "rdrand", "vpclmulqdq", "avx512vbmi2", "pge", "mtrr", "tsc-deadline", "ssse3", "nx", "arat", "cmov", "tsc_adjust", "vaes", "sse2", "tsc", "wbnoinvd", "x2apic", "cx8", "rdtscp", "lm", "clflush", "fma", "avx512ifma", "vmx", "mca", "xsaveopt", "rdctl-no", "avx512vbmi", "xsavec", "de", "tsx-ctrl", "popcnt", "syscall", "f16c", "invpcid", "hypervisor", "erms", "pae", "pse", "pku", "sse", "rtm", "pcid", "adx", "cx16", "stibp", "pclmuldq", "skip-l1dfl-vmentry", "bmi2", "la57", "xgetbv1", "sep", "avx512-vpopcntdq"]}',created_at=2022-12-07T03:30:39Z,current_workload=0,deleted=False,deleted_at=None,disk_allocation_ratio=1.0,disk_available_least=103,free_disk_gb=1637,free_ram_mb=11892,host='node-2.domain.tld',host_ip=192.168.10.4,hypervisor_hostname='node-2.domain.tld',hypervisor_type='QEMU',hypervisor_version=4002000,id=11,local_gb=1637,local_gb_used=0,mapped=1,memory_mb=64116,memory_mb_used=52224,metrics='[]',numa_topology='{"nova_object.name": "NUMATopology", "nova_object.namespace": "nova", "nova_object.version": "1.2", "nova_object.data": {"cells": [{"nova_object.name": "NUMACell", "nova_object.namespace": "nova", "nova_object.version": "1.5", "nova_object.data": {"id": 0, "cpuset": [10, 11, 12, 13, 14, 15], "pcpuset": [10, 11, 12, 13, 14, 15], "memory": 64116, "cpu_usage": 0, "memory_usage": 0, "pinned_cpus": [], "siblings": [[15], [10], [11], [12], [13], [14]], "mempages": [{"nova_object.name": "NUMAPagesTopology", "nova_object.namespace": "nova", "nova_object.version": "1.1", "nova_object.data": {"size_kb": 4, "total": 13792305, "used": 0, "reserved": 0}, "nova_object.changes": ["size_kb", "used", "total", "reserved"]}, {"nova_object.name": "NUMAPagesTopology", "nova_object.namespace": "nova", "nova_object.version": "1.1", "nova_object.data": {"size_kb": 2048, "total": 5120, "used": 0, "reserved": 0}, "nova_object.changes": ["size_kb", "used", "total", "reserved"]}, {"nova_object.name": "NUMAPagesTopology", "nova_object.namespace": "nova", "nova_object.version": "1.1", "nova_object.data": {"size_kb": 1048576, "total": 0, "used": 0, "reserved": 0}, "nova_object.changes": ["size_kb", "used", "total", "reserved"]}], "network_metadata": {"nova_object.name": "NetworkMetadata", "nova_object.namespace": "nova", "nova_object.version": "1.0", "nova_object.data": {"physnets": [], "tunneled": false}, "nova_object.changes": ["tunneled", "physnets"]}, "socket": null}, "nova_object.changes": ["socket", "cpu_usage", "mempages", "memory", "memory_usage", "pcpuset", "id", "siblings", "cpuset", "pinned_cpus", "network_metadata"]}]}, "nova_object.changes": ["cells"]}',pci_device_pools=PciDevicePoolList,ram_allocation_ratio=1.0,running_vms=0,service_id=None,stats={failed_builds='0'},supported_hv_specs=[HVSpec,HVSpec,HVSpec,HVSpec],updated_at=2023-04-20T08:00:04Z,uuid=959339b3-6d23-4780-8052-a51067c00659,vcpus=6,vcpus_used=0)
  2023-04-20 16:31:47.001 14 INFO nova.filters [req-dce98e42-b992-4787-a1e1-7e7bfc3b2df7 68bf65903042427ba614d71ae1202221 54ebca1a767a4b7bbf2ef98c91cdf4e0 - default default] Starting with 2 host(s)
  2023-04-20 16:31:47.001 14 INFO nova.filters [req-dce98e42-b992-4787-a1e1-7e7bfc3b2df7 68bf65903042427ba614d71ae1202221 54ebca1a767a4b7bbf2ef98c91cdf4e0 - default default] Filter AvailabilityZoneFilter returned 2 host(s)

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Follow ups

[Bug 2017114] Re: Set cpu_allocation_ratio by placement cli , lead to compute_nodes table keep old cpu_allocation_ratio
From: Launchpad Bug Tracker, 2023-07-09