1 instance is running
| {"nova_object.version": "1.2", "nova_object.changes": ["cells"], "nova_object.name": "NUMATopology", "nova_object.data": {"cells": [{"nova_object.version": "1.2", "nova_object.changes": ["cpu_usage", "memory_usage", "cpuset", "pinned_cpus", "siblings", "memory", "mempages", "id"], "nova_object.name": "NUMACell", "nova_object.data": {"cpu_usage": 8, "memory_usage": 16384, "cpuset": [4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15], "pinned_cpus": [4, 5, 6, 7, 8, 9, 10, 11], "siblings": [], "memory": 130965, "mempages": [{"nova_object.version": "1.0", "nova_object.changes": ["total", "size_kb", "used"], "nova_object.name": "NUMAPagesTopology", "nova_object.data": {"total": 33527192, "used": 0, "size_kb": 4}, "nova_object.namespace": "nova"}, {"nova_object.version": "1.0", "nova_object.changes": ["total", "size_kb", "used"], "nova_object.name": "NUMAPagesTopology", "nova_object.data": {"total": 0, "used": 0, "size_kb": 2048}, "nova_object.namespace": "nova"}, {"nova_object.version": "1.0", "nova_object.changes": ["total", "size_kb", "used"], "nova_object.name": "NUMAPagesTopology", "nova_object.data": {"total": 8, "used": 0, "size_kb": 1048576}, "nova_object.namespace": "nova"}], "id": 0}, "nova_object.namespace": "nova"}, {"nova_object.version": "1.2", "nova_object.changes": ["cpu_usage", "memory_usage", "cpuset", "pinned_cpus", "siblings", "memory", "mempages", "id"], "nova_object.name": "NUMACell", "nova_object.data": {"cpu_usage": 0, "memory_usage": 0, "cpuset": [20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31], "pinned_cpus": [], "siblings": [], "memory": 131072, "mempages": [{"nova_object.version": "1.0", "nova_object.changes": ["total", "size_kb", "used"], "nova_object.name": "NUMAPagesTopology", "nova_object.data": {"total": 33554432, "used": 0, "size_kb": 4}, "nova_object.namespace": "nova"}, {"nova_object.version": "1.0", "nova_object.changes": ["total", "size_kb", "used"], "nova_object.name": "NUMAPagesTopology", "nova_object.data": {"total": 0, "used": 0, "size_kb": 2048}, "nova_object.namespace": "nova"}, {"nova_object.version": "1.0", "nova_object.changes": ["total", "size_kb", "used"], "nova_object.name": "NUMAPagesTopology", "nova_object.data": {"total": 8, "used": 0, "size_kb": 1048576}, "nova_object.namespace": "nova"}], "id": 1}, "nova_object.namespace": "nova"}]}, "nova_object.namespace": "nova"} |

2 instances
| {"nova_object.version": "1.2", "nova_object.changes": ["cells"], "nova_object.name": "NUMATopology", "nova_object.data": {"cells": [{"nova_object.version": "1.2", "nova_object.changes": ["cpu_usage", "memory_usage", "cpuset", "pinned_cpus", "siblings", "memory", "mempages", "id"], "nova_object.name": "NUMACell", "nova_object.data": {"cpu_usage": 12, "memory_usage": 32768, "cpuset": [4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15], "pinned_cpus": [4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15], "siblings": [], "memory": 130965, "mempages": [{"nova_object.version": "1.0", "nova_object.changes": ["total", "size_kb", "used"], "nova_object.name": "NUMAPagesTopology", "nova_object.data": {"total": 33527192, "used": 0, "size_kb": 4}, "nova_object.namespace": "nova"}, {"nova_object.version": "1.0", "nova_object.changes": ["total", "size_kb", "used"], "nova_object.name": "NUMAPagesTopology", "nova_object.data": {"total": 0, "used": 0, "size_kb": 2048}, "nova_object.namespace": "nova"}, {"nova_object.version": "1.0", "nova_object.changes": ["total", "size_kb", "used"], "nova_object.name": "NUMAPagesTopology", "nova_object.data": {"total": 8, "used": 0, "size_kb": 1048576}, "nova_object.namespace": "nova"}], "id": 0}, "nova_object.namespace": "nova"}, {"nova_object.version": "1.2", "nova_object.changes": ["cpu_usage", "memory_usage", "cpuset", "pinned_cpus", "siblings", "memory", "mempages", "id"], "nova_object.name": "NUMACell", "nova_object.data": {"cpu_usage": 0, "memory_usage": 0, "cpuset": [20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31], "pinned_cpus": [], "siblings": [], "memory": 131072, "mempages": [{"nova_object.version": "1.0", "nova_object.changes": ["total", "size_kb", "used"], "nova_object.name": "NUMAPagesTopology", "nova_object.data": {"total": 33554432, "used": 0, "size_kb": 4}, "nova_object.namespace": "nova"}, {"nova_object.version": "1.0", "nova_object.changes": ["total", "size_kb", "used"], "nova_object.name": "NUMAPagesTopology", "nova_object.data": {"total": 0, "used": 0, "size_kb": 2048}, "nova_object.namespace": "nova"}, {"nova_object.version": "1.0", "nova_object.changes": ["total", "size_kb", "used"], "nova_object.name": "NUMAPagesTopology", "nova_object.data": {"total": 8, "used": 0, "size_kb": 1048576}, "nova_object.namespace": "nova"}], "id": 1}, "nova_object.namespace": "nova"}]}, "nova_object.namespace": "nova"} |

3 instances
| {"nova_object.version": "1.2", "nova_object.changes": ["cells"], "nova_object.name": "NUMATopology", "nova_object.data": {"cells": [{"nova_object.version": "1.2", "nova_object.changes": ["cpu_usage", "memory_usage", "cpuset", "pinned_cpus", "siblings", "memory", "mempages", "id"], "nova_object.name": "NUMACell", "nova_object.data": {"cpu_usage": 12, "memory_usage": 32768, "cpuset": [4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15], "pinned_cpus": [4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15], "siblings": [], "memory": 130965, "mempages": [{"nova_object.version": "1.0", "nova_object.changes": ["total", "size_kb", "used"], "nova_object.name": "NUMAPagesTopology", "nova_object.data": {"total": 33527192, "used": 0, "size_kb": 4}, "nova_object.namespace": "nova"}, {"nova_object.version": "1.0", "nova_object.changes": ["total", "size_kb", "used"], "nova_object.name": "NUMAPagesTopology", "nova_object.data": {"total": 0, "used": 0, "size_kb": 2048}, "nova_object.namespace": "nova"}, {"nova_object.version": "1.0", "nova_object.changes": ["total", "size_kb", "used"], "nova_object.name": "NUMAPagesTopology", "nova_object.data": {"total": 8, "used": 0, "size_kb": 1048576}, "nova_object.namespace": "nova"}], "id": 0}, "nova_object.namespace": "nova"}, {"nova_object.version": "1.2", "nova_object.changes": ["cpu_usage", "memory_usage", "cpuset", "pinned_cpus", "siblings", "memory", "mempages", "id"], "nova_object.name": "NUMACell", "nova_object.data": {"cpu_usage": 4, "memory_usage": 4096, "cpuset": [20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31], "pinned_cpus": [20, 21, 22, 23], "siblings": [], "memory": 131072, "mempages": [{"nova_object.version": "1.0", "nova_object.changes": ["total", "size_kb", "used"], "nova_object.name": "NUMAPagesTopology", "nova_object.data": {"total": 33554432, "used": 0, "size_kb": 4}, "nova_object.namespace": "nova"}, {"nova_object.version": "1.0", "nova_object.changes": ["total", "size_kb", "used"], "nova_object.name": "NUMAPagesTopology", "nova_object.data": {"total": 0, "used": 0, "size_kb": 2048}, "nova_object.namespace": "nova"}, {"nova_object.version": "1.0", "nova_object.changes": ["total", "size_kb", "used"], "nova_object.name": "NUMAPagesTopology", "nova_object.data": {"total": 8, "used": 0, "size_kb": 1048576}, "nova_object.namespace": "nova"}], "id": 1}, "nova_object.namespace": "nova"}]}, "nova_object.namespace": "nova"} |

After failure of 4th instance
| {"nova_object.version": "1.2", "nova_object.changes": ["cells"], "nova_object.name": "NUMATopology", "nova_object.data": {"cells": [{"nova_object.version": "1.2", "nova_object.changes": ["cpu_usage", "memory_usage", "cpuset", "pinned_cpus", "siblings", "memory", "mempages", "id"], "nova_object.name": "NUMACell", "nova_object.data": {"cpu_usage": 12, "memory_usage": 32768, "cpuset": [4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15], "pinned_cpus": [4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15], "siblings": [], "memory": 130965, "mempages": [{"nova_object.version": "1.0", "nova_object.changes": ["total", "size_kb", "used"], "nova_object.name": "NUMAPagesTopology", "nova_object.data": {"total": 33527192, "used": 0, "size_kb": 4}, "nova_object.namespace": "nova"}, {"nova_object.version": "1.0", "nova_object.changes": ["total", "size_kb", "used"], "nova_object.name": "NUMAPagesTopology", "nova_object.data": {"total": 0, "used": 0, "size_kb": 2048}, "nova_object.namespace": "nova"}, {"nova_object.version": "1.0", "nova_object.changes": ["total", "size_kb", "used"], "nova_object.name": "NUMAPagesTopology", "nova_object.data": {"total": 8, "used": 0, "size_kb": 1048576}, "nova_object.namespace": "nova"}], "id": 0}, "nova_object.namespace": "nova"}, {"nova_object.version": "1.2", "nova_object.changes": ["cpu_usage", "memory_usage", "cpuset", "pinned_cpus", "siblings", "memory", "mempages", "id"], "nova_object.name": "NUMACell", "nova_object.data": {"cpu_usage": 4, "memory_usage": 4096, "cpuset": [20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31], "pinned_cpus": [20, 21, 22, 23], "siblings": [], "memory": 131072, "mempages": [{"nova_object.version": "1.0", "nova_object.changes": ["total", "size_kb", "used"], "nova_object.name": "NUMAPagesTopology", "nova_object.data": {"total": 33554432, "used": 0, "size_kb": 4}, "nova_object.namespace": "nova"}, {"nova_object.version": "1.0", "nova_object.changes": ["total", "size_kb", "used"], "nova_object.name": "NUMAPagesTopology", "nova_object.data": {"total": 0, "used": 0, "size_kb": 2048}, "nova_object.namespace": "nova"}, {"nova_object.version": "1.0", "nova_object.changes": ["total", "size_kb", "used"], "nova_object.name": "NUMAPagesTopology", "nova_object.data": {"total": 8, "used": 0, "size_kb": 1048576}, "nova_object.namespace": "nova"}], "id": 1}, "nova_object.namespace": "nova"}]}, "nova_object.namespace": "nova"} |

Failed instance was requesting these:

nova flavor-show c49e427b-1163-486b-b8d7-b819d2436a42
+----------------------------+------------------------------------------------------------------------------------------------------------+
| Property                   | Value                                                                                                      |
+----------------------------+------------------------------------------------------------------------------------------------------------+
| OS-FLV-DISABLED:disabled   | False                                                                                                      |
| OS-FLV-EXT-DATA:ephemeral  | 0                                                                                                          |
| disk                       | 20                                                                                                         |
| extra_specs                | {"hw:numa_cpus.0": "0,1,2,3", "hw:cpu_policy": "dedicated", "hw:numa_nodes": "1", "hw:numa_mem.0": "4096"} |
| id                         | c49e427b-1163-486b-b8d7-b819d2436a42                                                                       |
| name                       | srv-4G_1xpCPU_4xvCPU                                                                                       |
| os-flavor-access:is_public | True                                                                                                       |
| ram                        | 4096                                                                                                       |
| rxtx_factor                | 1.0                                                                                                        |
| swap                       |                                                                                                            |
| vcpus                      | 4                                                                                                          |
+----------------------------+------------------------------------------------------------------------------------------------------------+