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At\nN\u003d1000 with a 5 ms Placement RTT this is ~5 s of dead time on the\nstartup critical path.\n\nAdd a driver capability flag supports_async_error_out_interrupted\n(default False) and set it to True in IronicDriver.  When the flag is\nset, _init_instance_info() fires the function in a background thread\nvia nova.utils.spawn() so the per-node update loop can proceed\nconcurrently.  Drivers that do not set the flag retain the existing\nsynchronous behaviour.\n\nFix test_init_host_no_instances to set capabilities on the driver mock\nso the synchronous branch is exercised as before.\n\nRelated-Bug: startup performance bottleneck B4 (startup.md)\nGenerated-By: Cursor sonnet 4.6\nChange-Id: I5a412930a61cc53ed3774129da7132a8ce90c2b4\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/9aa6d98e2a480b82d8ea74a3d161bfb7c71b22b2"}],"resolve_conflicts_web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/nova/commit/9aa6d98e2a480b82d8ea74a3d161bfb7c71b22b2"}]},"branch":"refs/heads/master"}},"requirements":[],"submit_records":[],"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":["label:Workflow\u003dMIN"],"failing_atoms":["label:Workflow\u003dMAX"],"atom_explanations":{"label:Workflow\u003dMAX":"","label:Workflow\u003dMIN":""}}}]}