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For information on how to proceed, see\nhttps://docs.opendev.org/opendev/infra-manual/latest/developers.html#automated-testing\nand https://docs.openstack.org/project-team-guide/testing.html#how-to-handle-test-failures\n\nhttps://zuul.opendev.org/t/openstack/buildset/5bd5f73a791748afbfd0bf978c0b9ab7\n\n- build-openstack-api-guide https://zuul.opendev.org/t/openstack/build/381c09525dc44f528100873b092d5070 : SUCCESS in 5m 23s\n- build-openstack-api-ref https://zuul.opendev.org/t/openstack/build/a98a565cd8364330a99a1e106bf624b1 : SUCCESS in 6m 19s\n- openstack-tox-cover https://zuul.opendev.org/t/openstack/build/58d855ac21e043cbab512e45ead5572a : SUCCESS in 59m 41s\n- openstack-tox-pep8 https://zuul.opendev.org/t/openstack/build/90457048f2964108a4780cbd45202cb2 : FAILURE in 4m 18s\n- openstack-tox-py311 https://zuul.opendev.org/t/openstack/build/48ecc4692b1949e8b41beb2060a13256 : SUCCESS in 12m 39s\n- openstack-tox-py313 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https://zuul.opendev.org/t/openstack/build/7a1362af4a0c42d9be33e1a3337bcfd7 : SUCCESS in 22m 45s (non-voting)","accounts_in_message":[],"_revision_number":4},{"id":"b2d310bec0cb856be4e00fe04d34accfa89808d8","tag":"autogenerated:gerrit:newPatchSet","author":{"_account_id":11604,"name":"sean mooney","email":"smooney@redhat.com","username":"sean-k-mooney"},"date":"2026-07-06 12:50:55.000000000","message":"Uploaded patch set 5: Patch Set 4 was rebased.\n\nOutdated Votes:\n* Verified-1 (copy condition: \"NEVER\")\n* Workflow-1 (copy condition: \"NEVER\")\n","accounts_in_message":[],"_revision_number":5},{"id":"f7f492c5db10a1734f92e351fda8478b082a085f","author":{"_account_id":14384,"name":"Quobyte CI","email":"openstack-ci-external@quobyte.com","username":"quobyteci","tags":["SERVICE_USER"]},"date":"2026-07-06 13:51:48.000000000","message":"Patch Set 5:\n\nBuild Successful \n\n* quobyteci:  nova_quobyteci : SUCCESS, logs at: 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nova-tox-functional-py313-threading https://zuul.opendev.org/t/openstack/build/352f6dd308ad4bb7a582c1cbf7884800 : SUCCESS in 32m 17s (non-voting)\n- nova-tox-py313-threading https://zuul.opendev.org/t/openstack/build/fe9a7e9d4b924c7f8df4bb9534507b75 : SUCCESS in 10m 24s","accounts_in_message":[],"_revision_number":6},{"id":"95d20ca2fde080e10024a1bdccb5095d977f8e23","author":{"_account_id":14384,"name":"Quobyte CI","email":"openstack-ci-external@quobyte.com","username":"quobyteci","tags":["SERVICE_USER"]},"date":"2026-07-13 21:08:33.000000000","message":"Patch Set 6:\n\nBuild Successful \n\n* quobyteci:  nova_quobyteci : SUCCESS, logs at: https://oscilogs.quobyte.com/logs/I5d12d55f7581dc625b1631dd419e9ffe82522340 .","accounts_in_message":[],"_revision_number":6},{"id":"266e57a61732e2bbfe5c42cde389ab7c312d6db5","tag":"autogenerated:zuul:check-arm64","author":{"_account_id":22348,"name":"Zuul","username":"zuul","tags":["SERVICE_USER"]},"date":"2026-07-13 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Logs on \u003chttp://openstack-ci-logs.global.cloud.sap/openstack-nova-980641-6sc28/index.html\u003e","accounts_in_message":[],"_revision_number":6}],"current_revision_number":6,"current_revision":"6afab66061f68d5a3e50a2f07e4395c867f3011d","revisions":{"f11b48db74c794f2c1b07909f12bcde1f1e72e09":{"kind":"REWORK","_number":1,"created":"2026-03-15 23:14:35.000000000","uploader":{"_account_id":11604,"name":"sean mooney","email":"smooney@redhat.com","username":"sean-k-mooney"},"ref":"refs/changes/41/980641/1","fetch":{"anonymous http":{"url":"https://review.opendev.org/openstack/nova","ref":"refs/changes/41/980641/1","commands":{"Checkout":"git fetch https://review.opendev.org/openstack/nova refs/changes/41/980641/1 \u0026\u0026 git checkout FETCH_HEAD","Cherry Pick":"git fetch https://review.opendev.org/openstack/nova refs/changes/41/980641/1 \u0026\u0026 git cherry-pick FETCH_HEAD","Format Patch":"git fetch https://review.opendev.org/openstack/nova refs/changes/41/980641/1 \u0026\u0026 git format-patch -1 --stdout FETCH_HEAD","Pull":"git pull https://review.opendev.org/openstack/nova refs/changes/41/980641/1"}}},"commit":{"parents":[{"commit":"a804b01b698a2fc4c0d40ffae8e3b46d96010aa3","subject":"Merge \"api: Remove unnecessary action method prefix\"","web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/nova/commit/a804b01b698a2fc4c0d40ffae8e3b46d96010aa3"}]}],"author":{"name":"Sean Mooney","email":"work@seanmooney.info","date":"2026-03-15 21:07:20.000000000","tz":0},"committer":{"name":"Sean Mooney","email":"work@seanmooney.info","date":"2026-03-15 23:14:17.000000000","tz":0},"subject":"[WIP] perf: add ironic startup perf simulator and analysis","message":"[WIP] perf: add ironic startup perf simulator and analysis\n\nAdd a standalone startup performance simulator and accompanying\nanalysis tools for profiling nova-compute startup with the Ironic\n(baremetal) virt driver at scale.\n\nComponents added:\n\n* tools/startup-perf/startup_perf_simulator.py\n  Standalone script that bootstraps a full in-process Nova control\n  plane (conductor + scheduler + API + Placement) and drives\n  compute startup at configurable node counts. Supports\n  pyinstrument flame charts and osprofiler cross-service traces.\n  CLI allows topology YAML files or inline --nodes flags; all\n  topology attributes can be overridden from the CLI.\n\n* tools/startup-perf/topologies/\n  YAML topology files for small (N\u003d20), medium (N\u003d200), large\n  (N\u003d1000) and multi-service ironic scenarios.\n\n* nova/tests/fixtures/ironic.py\n  FakeIronicConnection: in-memory OpenStack SDK baremetal proxy\n  with configurable latency, call logging, and conductor_group/\n  shard filtering. IronicFixture wires it into IronicDriver via\n  MonkeyPatch without touching production code.\n\n* nova/tests/functional/compute/test_startup_performance.py\n  CI regression tests asserting O(N) call-count scaling for\n  driver methods, Placement state correctness, and loose\n  wall-clock time bounds (N\u003c\u003d50).\n\n* startup.md\n  Deep-dive analysis of the startup sequence, six identified\n  bottlenecks (B1-B7), and profile-guided findings from\n  pyinstrument runs at N\u003d20, N\u003d200, N\u003d1000. Key findings:\n  - B2 (serial per-node loop) dominates at all scales: 96% of\n    startup time at N\u003d1000\n  - B6 (ProviderTree deepcopy) confirmed O(N^2) above N\u003d200:\n    per-call cost grows from 25ms to 77ms between N\u003d20 and N\u003d1000\n  - B7 (jsonschema response validation) dominates CPU: \u003e100% of\n    wall-clock when summed across iterations at N\u003d1000, with\n    per-call cost growing 7x due to response payload size growth\n\nGenerated-By: Cursor multiple models\nChange-Id: I5d12d55f7581dc625b1631dd419e9ffe82522340\nSigned-off-by: Sean Mooney \u003cwork@seanmooney.info\u003e\n","web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/nova/commit/f11b48db74c794f2c1b07909f12bcde1f1e72e09"}],"resolve_conflicts_web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/nova/commit/f11b48db74c794f2c1b07909f12bcde1f1e72e09"}]},"branch":"refs/heads/master"},"c1387e611857d8c801734dc321ef5bfadd41e45d":{"kind":"REWORK","_number":2,"created":"2026-03-15 23:30:33.000000000","uploader":{"_account_id":11604,"name":"sean mooney","email":"smooney@redhat.com","username":"sean-k-mooney"},"ref":"refs/changes/41/980641/2","fetch":{"anonymous http":{"url":"https://review.opendev.org/openstack/nova","ref":"refs/changes/41/980641/2","commands":{"Checkout":"git fetch https://review.opendev.org/openstack/nova refs/changes/41/980641/2 \u0026\u0026 git checkout FETCH_HEAD","Cherry Pick":"git fetch https://review.opendev.org/openstack/nova refs/changes/41/980641/2 \u0026\u0026 git cherry-pick FETCH_HEAD","Format Patch":"git fetch https://review.opendev.org/openstack/nova refs/changes/41/980641/2 \u0026\u0026 git format-patch -1 --stdout FETCH_HEAD","Pull":"git pull https://review.opendev.org/openstack/nova refs/changes/41/980641/2"}}},"commit":{"parents":[{"commit":"a804b01b698a2fc4c0d40ffae8e3b46d96010aa3","subject":"Merge \"api: Remove unnecessary action method prefix\"","web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/nova/commit/a804b01b698a2fc4c0d40ffae8e3b46d96010aa3"}]}],"author":{"name":"Sean Mooney","email":"work@seanmooney.info","date":"2026-03-15 21:07:20.000000000","tz":0},"committer":{"name":"Sean Mooney","email":"work@seanmooney.info","date":"2026-03-15 23:30:12.000000000","tz":0},"subject":"[WIP] perf: add ironic startup perf simulator and analysis","message":"[WIP] perf: add ironic startup perf simulator and analysis\n\nAdd a standalone startup performance simulator and accompanying\nanalysis tools for profiling nova-compute startup with the Ironic\n(baremetal) virt driver at scale.\n\nComponents added:\n\n* tools/startup-perf/startup_perf_simulator.py\n  Standalone script that bootstraps a full in-process Nova control\n  plane (conductor + scheduler + API + Placement) and drives\n  compute startup at configurable node counts. Supports\n  pyinstrument flame charts and osprofiler cross-service traces.\n  CLI allows topology YAML files or inline --nodes flags; all\n  topology attributes can be overridden from the CLI.\n\n* tools/startup-perf/topologies/\n  YAML topology files for small (N\u003d20), medium (N\u003d200), large\n  (N\u003d1000) and multi-service ironic scenarios.\n\n* nova/tests/fixtures/ironic.py\n  FakeIronicConnection: in-memory OpenStack SDK baremetal proxy\n  with configurable latency, call logging, and conductor_group/\n  shard filtering. IronicFixture wires it into IronicDriver via\n  MonkeyPatch without touching production code.\n\n* nova/tests/functional/compute/test_startup_performance.py\n  CI regression tests asserting O(N) call-count scaling for\n  driver methods, Placement state correctness, and loose\n  wall-clock time bounds (N\u003c\u003d50).\n\n* startup.md\n  Deep-dive analysis of the startup sequence, six identified\n  bottlenecks (B1-B7), and profile-guided findings from\n  pyinstrument runs at N\u003d20, N\u003d200, N\u003d1000. Key findings:\n  - B2 (serial per-node loop) dominates at all scales: 96% of\n    startup time at N\u003d1000\n  - B6 (ProviderTree deepcopy) confirmed O(N^2) above N\u003d200:\n    per-call cost grows from 25ms to 77ms between N\u003d20 and N\u003d1000\n  - B7 (jsonschema response validation) dominates CPU: \u003e100% of\n    wall-clock when summed across iterations at N\u003d1000, with\n    per-call cost growing 7x due to response payload size growth\n\nGenerated-By: Cursor multiple models\nChange-Id: I5d12d55f7581dc625b1631dd419e9ffe82522340\nSigned-off-by: Sean Mooney \u003cwork@seanmooney.info\u003e\nMade-with: Cursor\n","web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/nova/commit/c1387e611857d8c801734dc321ef5bfadd41e45d"}],"resolve_conflicts_web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/nova/commit/c1387e611857d8c801734dc321ef5bfadd41e45d"}]},"branch":"refs/heads/master"},"3b0a05d7625710fd13857c2f6eb082ca67e92b60":{"kind":"NO_CODE_CHANGE","_number":3,"created":"2026-03-16 10:37:08.000000000","uploader":{"_account_id":11604,"name":"sean mooney","email":"smooney@redhat.com","username":"sean-k-mooney"},"ref":"refs/changes/41/980641/3","fetch":{"anonymous http":{"url":"https://review.opendev.org/openstack/nova","ref":"refs/changes/41/980641/3","commands":{"Checkout":"git fetch https://review.opendev.org/openstack/nova refs/changes/41/980641/3 \u0026\u0026 git checkout FETCH_HEAD","Cherry Pick":"git fetch https://review.opendev.org/openstack/nova refs/changes/41/980641/3 \u0026\u0026 git cherry-pick FETCH_HEAD","Format Patch":"git fetch https://review.opendev.org/openstack/nova refs/changes/41/980641/3 \u0026\u0026 git format-patch -1 --stdout FETCH_HEAD","Pull":"git pull https://review.opendev.org/openstack/nova refs/changes/41/980641/3"}}},"commit":{"parents":[{"commit":"a804b01b698a2fc4c0d40ffae8e3b46d96010aa3","subject":"Merge \"api: Remove unnecessary action method prefix\"","web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/nova/commit/a804b01b698a2fc4c0d40ffae8e3b46d96010aa3"}]}],"author":{"name":"Sean Mooney","email":"work@seanmooney.info","date":"2026-03-15 21:07:20.000000000","tz":0},"committer":{"name":"Sean Mooney","email":"work@seanmooney.info","date":"2026-03-16 10:33:10.000000000","tz":0},"subject":"[WIP] perf: add ironic startup perf simulator and analysis","message":"[WIP] perf: add ironic startup perf simulator and analysis\n\nAdd a standalone startup performance simulator and accompanying\nanalysis tools for profiling nova-compute startup with the Ironic\n(baremetal) virt driver at scale.\n\nComponents added:\n\n* tools/startup-perf/startup_perf_simulator.py\n  Standalone script that bootstraps a full in-process Nova control\n  plane (conductor + scheduler + API + Placement) and drives\n  compute startup at configurable node counts. Supports\n  pyinstrument flame charts and osprofiler cross-service traces.\n  CLI allows topology YAML files or inline --nodes flags; all\n  topology attributes can be overridden from the CLI.\n\n* tools/startup-perf/topologies/\n  YAML topology files for small (N\u003d20), medium (N\u003d200), large\n  (N\u003d1000) and multi-service ironic scenarios.\n\n* nova/tests/fixtures/ironic.py\n  FakeIronicConnection: in-memory OpenStack SDK baremetal proxy\n  with configurable latency, call logging, and conductor_group/\n  shard filtering. IronicFixture wires it into IronicDriver via\n  MonkeyPatch without touching production code.\n\n* nova/tests/functional/compute/test_startup_performance.py\n  CI regression tests asserting O(N) call-count scaling for\n  driver methods, Placement state correctness, and loose\n  wall-clock time bounds (N\u003c\u003d50).\n\n* startup.md\n  Deep-dive analysis of the startup sequence, six identified\n  bottlenecks (B1-B7), and profile-guided findings from\n  pyinstrument runs at N\u003d20, N\u003d200, N\u003d1000. Key findings:\n  - B2 (serial per-node loop) dominates at all scales: 96% of\n    startup time at N\u003d1000\n  - B6 (ProviderTree deepcopy) confirmed O(N^2) above N\u003d200:\n    per-call cost grows from 25ms to 77ms between N\u003d20 and N\u003d1000\n  - B7 (jsonschema response validation) dominates CPU: \u003e100% of\n    wall-clock when summed across iterations at N\u003d1000, with\n    per-call cost growing 7x due to response payload size growth\n\nGenerated-By: Cursor multiple models\nChange-Id: I5d12d55f7581dc625b1631dd419e9ffe82522340\nSigned-off-by: Sean Mooney \u003cwork@seanmooney.info\u003e\n","web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/nova/commit/3b0a05d7625710fd13857c2f6eb082ca67e92b60"}],"resolve_conflicts_web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/nova/commit/3b0a05d7625710fd13857c2f6eb082ca67e92b60"}]},"branch":"refs/heads/master"},"4581575457439b72801dba3196ce4c6cb6b0d9b5":{"kind":"REWORK","_number":4,"created":"2026-07-06 09:32:43.000000000","uploader":{"_account_id":11604,"name":"sean mooney","email":"smooney@redhat.com","username":"sean-k-mooney"},"ref":"refs/changes/41/980641/4","fetch":{"anonymous http":{"url":"https://review.opendev.org/openstack/nova","ref":"refs/changes/41/980641/4","commands":{"Checkout":"git fetch https://review.opendev.org/openstack/nova refs/changes/41/980641/4 \u0026\u0026 git checkout FETCH_HEAD","Cherry Pick":"git fetch https://review.opendev.org/openstack/nova refs/changes/41/980641/4 \u0026\u0026 git cherry-pick FETCH_HEAD","Format Patch":"git fetch https://review.opendev.org/openstack/nova refs/changes/41/980641/4 \u0026\u0026 git format-patch -1 --stdout FETCH_HEAD","Pull":"git pull https://review.opendev.org/openstack/nova refs/changes/41/980641/4"}}},"commit":{"parents":[{"commit":"82427231e66fbb9c78d343486386cc0a1c0eaa4b","subject":"Parallelize per-node resource updates","web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/nova/commit/82427231e66fbb9c78d343486386cc0a1c0eaa4b"}]}],"author":{"name":"Sean Mooney","email":"work@seanmooney.info","date":"2026-03-15 21:07:20.000000000","tz":0},"committer":{"name":"Sean Mooney","email":"work@seanmooney.info","date":"2026-07-06 09:30:46.000000000","tz":60},"subject":"perf: add ironic startup performance simulator","message":"perf: add ironic startup performance simulator\n\nAdd a standalone startup performance simulator and accompanying test\ninfrastructure for profiling nova-compute startup with the Ironic\n(baremetal) virt driver at scale.\n\nThe simulator bootstraps an in-process Nova control plane with conductor,\nscheduler, API and Placement services, then starts compute services with\nconfigurable node counts. It supports inline node-count scenarios,\nYAML-defined topologies, configurable fake Ironic API latency, optional\nprofiling backends, and JSON or table output for follow-up analysis.\n\nThe simulator can also override\n[compute]update_resources_max_workers so resource-update behavior can be\nmeasured without editing nova.conf.\n\nAdd FakeIronicConnection and IronicFixture test helpers for wiring a\nconfigurable in-memory OpenStack SDK baremetal proxy into IronicDriver.\nThese fixtures support latency injection, call logging, and conductor-group\nor shard filtering without touching production code.\n\nAdd functional tests that exercise small simulator scenarios, assert\nPlacement state correctness, and verify the simulator keeps driver method\ncall counts linear with the configured node count.\n\nGenerated-By: Cursor multiple models\nChange-Id: I5d12d55f7581dc625b1631dd419e9ffe82522340\nSigned-off-by: Sean Mooney \u003cwork@seanmooney.info\u003e\n","web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/nova/commit/4581575457439b72801dba3196ce4c6cb6b0d9b5"}],"resolve_conflicts_web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/nova/commit/4581575457439b72801dba3196ce4c6cb6b0d9b5"}]},"branch":"refs/heads/master"},"112d0395a0b65b4e760c7a51da3640dcf5cfaca7":{"kind":"TRIVIAL_REBASE","_number":5,"created":"2026-07-06 12:50:55.000000000","uploader":{"_account_id":11604,"name":"sean mooney","email":"smooney@redhat.com","username":"sean-k-mooney"},"ref":"refs/changes/41/980641/5","fetch":{"anonymous http":{"url":"https://review.opendev.org/openstack/nova","ref":"refs/changes/41/980641/5","commands":{"Checkout":"git fetch https://review.opendev.org/openstack/nova refs/changes/41/980641/5 \u0026\u0026 git checkout FETCH_HEAD","Cherry Pick":"git fetch https://review.opendev.org/openstack/nova refs/changes/41/980641/5 \u0026\u0026 git cherry-pick FETCH_HEAD","Format Patch":"git fetch https://review.opendev.org/openstack/nova refs/changes/41/980641/5 \u0026\u0026 git format-patch -1 --stdout FETCH_HEAD","Pull":"git pull https://review.opendev.org/openstack/nova refs/changes/41/980641/5"}}},"commit":{"parents":[{"commit":"c2806dd895846150edbd2d38363800be89d3f7a6","subject":"Parallelize per-node resource updates","web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/nova/commit/c2806dd895846150edbd2d38363800be89d3f7a6"}]}],"author":{"name":"Sean Mooney","email":"work@seanmooney.info","date":"2026-03-15 21:07:20.000000000","tz":0},"committer":{"name":"Sean Mooney","email":"work@seanmooney.info","date":"2026-07-06 12:50:21.000000000","tz":60},"subject":"perf: add ironic startup performance simulator","message":"perf: add ironic startup performance simulator\n\nAdd a standalone startup performance simulator and accompanying test\ninfrastructure for profiling nova-compute startup with the Ironic\n(baremetal) virt driver at scale.\n\nThe simulator bootstraps an in-process Nova control plane with conductor,\nscheduler, API and Placement services, then starts compute services with\nconfigurable node counts. It supports inline node-count scenarios,\nYAML-defined topologies, configurable fake Ironic API latency, optional\nprofiling backends, and JSON or table output for follow-up analysis.\n\nThe simulator can also override\n[compute]update_resources_max_workers so resource-update behavior can be\nmeasured without editing nova.conf.\n\nAdd FakeIronicConnection and IronicFixture test helpers for wiring a\nconfigurable in-memory OpenStack SDK baremetal proxy into IronicDriver.\nThese fixtures support latency injection, call logging, and conductor-group\nor shard filtering without touching production code.\n\nAdd functional tests that exercise small simulator scenarios, assert\nPlacement state correctness, and verify the simulator keeps driver method\ncall counts linear with the configured node count.\n\nGenerated-By: Cursor multiple models\nChange-Id: I5d12d55f7581dc625b1631dd419e9ffe82522340\nSigned-off-by: Sean Mooney \u003cwork@seanmooney.info\u003e\n","web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/nova/commit/112d0395a0b65b4e760c7a51da3640dcf5cfaca7"}],"resolve_conflicts_web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/nova/commit/112d0395a0b65b4e760c7a51da3640dcf5cfaca7"}]},"branch":"refs/heads/master"},"6afab66061f68d5a3e50a2f07e4395c867f3011d":{"kind":"TRIVIAL_REBASE","_number":6,"created":"2026-07-13 20:08:39.000000000","uploader":{"_account_id":11604,"name":"sean mooney","email":"smooney@redhat.com","username":"sean-k-mooney"},"ref":"refs/changes/41/980641/6","fetch":{"anonymous http":{"url":"https://review.opendev.org/openstack/nova","ref":"refs/changes/41/980641/6","commands":{"Checkout":"git fetch https://review.opendev.org/openstack/nova refs/changes/41/980641/6 \u0026\u0026 git checkout FETCH_HEAD","Cherry Pick":"git fetch https://review.opendev.org/openstack/nova refs/changes/41/980641/6 \u0026\u0026 git cherry-pick FETCH_HEAD","Format Patch":"git fetch https://review.opendev.org/openstack/nova refs/changes/41/980641/6 \u0026\u0026 git format-patch -1 --stdout FETCH_HEAD","Pull":"git pull https://review.opendev.org/openstack/nova refs/changes/41/980641/6"}}},"commit":{"parents":[{"commit":"98f74e88a213ff7f0110b253b2286d3e2c740748","subject":"Parallelize per-node resource updates","web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/nova/commit/98f74e88a213ff7f0110b253b2286d3e2c740748"}]}],"author":{"name":"Sean Mooney","email":"work@seanmooney.info","date":"2026-03-15 21:07:20.000000000","tz":0},"committer":{"name":"sean mooney","email":"work@seanmooney.info","date":"2026-07-13 20:08:39.000000000","tz":0},"subject":"perf: add ironic startup performance simulator","message":"perf: add ironic startup performance simulator\n\nAdd a standalone startup performance simulator and accompanying test\ninfrastructure for profiling nova-compute startup with the Ironic\n(baremetal) virt driver at scale.\n\nThe simulator bootstraps an in-process Nova control plane with conductor,\nscheduler, API and Placement services, then starts compute services with\nconfigurable node counts. It supports inline node-count scenarios,\nYAML-defined topologies, configurable fake Ironic API latency, optional\nprofiling backends, and JSON or table output for follow-up analysis.\n\nThe simulator can also override\n[compute]update_resources_max_workers so resource-update behavior can be\nmeasured without editing nova.conf.\n\nAdd FakeIronicConnection and IronicFixture test helpers for wiring a\nconfigurable in-memory OpenStack SDK baremetal proxy into IronicDriver.\nThese fixtures support latency injection, call logging, and conductor-group\nor shard filtering without touching production code.\n\nAdd functional tests that exercise small simulator scenarios, assert\nPlacement state correctness, and verify the simulator keeps driver method\ncall counts linear with the configured node count.\n\nGenerated-By: Cursor multiple models\nChange-Id: I5d12d55f7581dc625b1631dd419e9ffe82522340\nSigned-off-by: Sean Mooney \u003cwork@seanmooney.info\u003e\n","web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/nova/commit/6afab66061f68d5a3e50a2f07e4395c867f3011d"}],"resolve_conflicts_web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/nova/commit/6afab66061f68d5a3e50a2f07e4395c867f3011d"}]},"branch":"refs/heads/master","description":"Rebase","conflicts":{"base":"c2806dd895846150edbd2d38363800be89d3f7a6","ours":"112d0395a0b65b4e760c7a51da3640dcf5cfaca7","theirs":"98f74e88a213ff7f0110b253b2286d3e2c740748","merge_strategy":"recursive","contains_conflicts":false}}},"requirements":[],"submit_records":[{"rule_name":"gerrit~DefaultSubmitRule","status":"OK","labels":[{"label":"Verified","status":"MAY","applied_by":{"_account_id":22348,"name":"Zuul","username":"zuul","tags":["SERVICE_USER"]}},{"label":"Code-Review","status":"MAY"},{"label":"Workflow","status":"MAY"},{"label":"Review-Priority","status":"MAY"}]}],"submit_requirements":[{"name":"Verified","description":"Verified in gate by CI","status":"UNSATISFIED","is_legacy":false,"submittability_expression_result":{"expression":"label:Verified\u003dMAX AND -label:Verified\u003dMIN","fulfilled":false,"status":"FAIL","passing_atoms":[],"failing_atoms":["label:Verified\u003dMAX","label:Verified\u003dMIN"],"atom_explanations":{"label:Verified\u003dMAX":"","label:Verified\u003dMIN":""}}},{"name":"Code-Review","description":"Code reviewed by core reviewer","status":"UNSATISFIED","is_legacy":false,"submittability_expression_result":{"expression":"label:Code-Review\u003dMAX AND -label:Code-Review\u003dMIN","fulfilled":false,"status":"FAIL","passing_atoms":[],"failing_atoms":["label:Code-Review\u003dMAX","label:Code-Review\u003dMIN"],"atom_explanations":{"label:Code-Review\u003dMAX":"","label:Code-Review\u003dMIN":""}}},{"name":"Review-Priority","description":"Review Priority","status":"NOT_APPLICABLE","is_legacy":false,"applicability_expression_result":{"fulfilled":false,"status":"FAIL"},"submittability_expression_result":{"expression":"is:true","fulfilled":true,"status":"NOT_EVALUATED","passing_atoms":[],"failing_atoms":[],"atom_explanations":{}}},{"name":"Workflow","description":"Approved for gate by core reviewer","status":"UNSATISFIED","is_legacy":false,"submittability_expression_result":{"expression":"label:Workflow\u003dMAX AND -label:Workflow\u003dMIN","fulfilled":false,"status":"FAIL","passing_atoms":[],"failing_atoms":["label:Workflow\u003dMAX","label:Workflow\u003dMIN"],"atom_explanations":{"label:Workflow\u003dMAX":"","label:Workflow\u003dMIN":""}}}]}