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https://zuul.opendev.org/t/openstack/build/2184aa539c704790857251f62fd2bad3 : SUCCESS in 10m 22s\n- openstack-tox-py311 https://zuul.opendev.org/t/openstack/build/a846762e72c04962ad2c4d6ba6914696 : SUCCESS in 15m 40s\n- openstack-tox-py313 https://zuul.opendev.org/t/openstack/build/9496c35a95024325bbb9cc3368a27b67 : SUCCESS in 12m 52s\n- openstack-tox-py314 https://zuul.opendev.org/t/openstack/build/7a7a7ad8bcfb4ca18fdc42dd171c2bfb : SUCCESS in 17m 39s (non-voting)\n- openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d3348646ffd043e78641cbf29f56bb10 : SUCCESS in 12m 55s\n- build-openstack-releasenotes https://zuul.opendev.org/t/openstack/build/921ef69a54da43238493c2dc0ca902a1 : SUCCESS in 8m 57s\n- ironic-tempest-bios-ipmi-autodetect https://zuul.opendev.org/t/openstack/build/c3a4f4546fbe46e6b781ac0438200559 : SUCCESS in 59m 53s (non-voting)\n- nova-ceph-multistore https://zuul.opendev.org/t/openstack/build/92f5243945fe49c3af691fa4abc11512 : SUCCESS in 1h 51m 08s\n- nova-live-migration https://zuul.opendev.org/t/openstack/build/44527218f20b46e09aff05f4db044c36 : SUCCESS in 57m 56s\n- nova-whitebox https://zuul.opendev.org/t/openstack/build/3b12d76995ef4adeb649b9229a6a2019 : SUCCESS in 44m 35s\n- nova-graceful-shutdown https://zuul.opendev.org/t/openstack/build/3ca296084e9a4dff98f37c267337a787 : SUCCESS in 1h 00m 20s\n- nova-live-migration-ceph https://zuul.opendev.org/t/openstack/build/6a8463a260d74b31a2ab37cc29a192dd : SUCCESS in 47m 12s\n- nova-multi-cell https://zuul.opendev.org/t/openstack/build/12a456c0caf847d586febab3957a7f77 : SUCCESS in 2h 11m 16s\n- nova-next https://zuul.opendev.org/t/openstack/build/54682d41502840cbbb48e3b02d2f0f82 : SUCCESS in 2h 43m 23s\n- nova-alt-configurations https://zuul.opendev.org/t/openstack/build/002c14fc8e16431ca97031adf64544e3 : SUCCESS in 54m 52s\n- nova-tox-validate-backport https://zuul.opendev.org/t/openstack/build/6b0aa1b9100340ffa12f48724bec90cf : SUCCESS in 6m 25s (non-voting)\n- nova-tox-functional-py311 https://zuul.opendev.org/t/openstack/build/ba3aae76851245e38122d89c6a80fd8c : SUCCESS in 27m 00s\n- nova-tox-functional-py313 https://zuul.opendev.org/t/openstack/build/4a4fc4fc42534cc3addcc97cca5cdc7c : SUCCESS in 25m 04s\n- nova-tox-functional-py313-threading https://zuul.opendev.org/t/openstack/build/dbc8989fa26c417ebb49608d50ef2d32 : TIMED_OUT in 2h 01m 26s (non-voting)\n- nova-grenade-multinode https://zuul.opendev.org/t/openstack/build/aee1b28766d84b468581ecda23f7d6d9 : SUCCESS in 1h 37m 18s\n- tempest-ipv6-only https://zuul.opendev.org/t/openstack/build/357e6239107a423d9748b15974e45de9 : SUCCESS in 55m 13s\n- cyborg-tempest https://zuul.opendev.org/t/openstack/build/ba79e7dbc54a4f5098c0426f47c10f96 : SUCCESS in 35m 26s (non-voting)\n- barbican-tempest-plugin-simple-crypto https://zuul.opendev.org/t/openstack/build/7c2498b4dbbf4fefa0a95e57165225d0 : SUCCESS in 35m 54s (non-voting)\n- nova-tox-py313-threading https://zuul.opendev.org/t/openstack/build/fa59d5bb3d27410eb11e882e7582ce61 : SUCCESS in 14m 11s","accounts_in_message":[],"_revision_number":3},{"id":"823c718c17c0bd2aa7f54bea5929e98cdd190d9d","tag":"autogenerated:jenkins-gerrit-trigger","author":{"_account_id":34420,"name":"openstack lightbits","display_name":"Lightbits CI","email":"openstack@lightbitslabs.com","username":"openstack_lightbits"},"date":"2026-07-06 15:56:38.000000000","message":"Patch Set 3:\n\nBuild succeeded. log path: ${LOG_PATH}\nLeave a comment with","accounts_in_message":[],"_revision_number":3},{"id":"fa7771204b9b03cc93c026758a6de5a8fb2be526","tag":"autogenerated:gerrit:newPatchSet","author":{"_account_id":11604,"name":"sean mooney","email":"smooney@redhat.com","username":"sean-k-mooney"},"date":"2026-07-13 20:08:28.000000000","message":"Patch Set 4: Patch Set 3 was rebased\n\nOutdated Votes:\n* Verified+1 (copy condition: 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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/408c712e980a4eae8585ce282e1e7e34\n\n- grenade-skip-level-always https://zuul.opendev.org/t/openstack/build/50e67b206eef4dc9817984506182185a : SUCCESS in 29m 17s\n- tempest-integrated-compute https://zuul.opendev.org/t/openstack/build/fddf281e81c9469c9f342f9a702a7f43 : SUCCESS in 1h 34m 11s\n- openstacksdk-functional-devstack https://zuul.opendev.org/t/openstack/build/79779c6f9c764cd1930b19398a7ad8f0 : SUCCESS in 1h 05m 14s\n- openstack-tox-cover https://zuul.opendev.org/t/openstack/build/2ede824d4b934359b4441461eeac742d : SUCCESS in 1h 14m 47s\n- openstack-tox-pep8 https://zuul.opendev.org/t/openstack/build/80cf0de5af1643779161b5af6ee6fe24 : SUCCESS in 8m 12s\n- openstack-tox-py311 https://zuul.opendev.org/t/openstack/build/6e13aded4c2c46e0ad198908025b4c09 : SUCCESS in 10m 47s\n- openstack-tox-py313 https://zuul.opendev.org/t/openstack/build/b421b1d7f70645f6aab2cd7e11550f44 : SUCCESS in 14m 38s\n- openstack-tox-py314 https://zuul.opendev.org/t/openstack/build/3d250e91c9da4339ab9d68812c567232 : SUCCESS in 18m 51s (non-voting)\n- openstack-tox-docs https://zuul.opendev.org/t/openstack/build/0d496f387b7b40f59419629d6c1eb668 : SUCCESS in 6m 34s\n- build-openstack-releasenotes https://zuul.opendev.org/t/openstack/build/9c59573ea3bf41a6a40ae1ccaa9334a2 : SUCCESS in 7m 48s\n- ironic-tempest-bios-ipmi-autodetect https://zuul.opendev.org/t/openstack/build/a0f8fd080b7549c98ddfa96439babd26 : SUCCESS in 1h 03m 54s (non-voting)\n- nova-ceph-multistore https://zuul.opendev.org/t/openstack/build/f6570dab7d47441f899b6c453eff9f0e : FAILURE in 10m 01s\n- nova-live-migration https://zuul.opendev.org/t/openstack/build/c471c541a517401194478f450de97c9d : SUCCESS in 48m 36s\n- nova-whitebox https://zuul.opendev.org/t/openstack/build/be1e3afe02384b4396e40c1e52cec7be : SUCCESS in 35m 25s\n- nova-graceful-shutdown https://zuul.opendev.org/t/openstack/build/1f2badd9b6054345bb9f9259574cde2a : SUCCESS in 59m 20s\n- nova-live-migration-ceph https://zuul.opendev.org/t/openstack/build/44ccc27c66ae470b8e4ae8ae49fc4aed : SUCCESS in 49m 11s\n- nova-multi-cell https://zuul.opendev.org/t/openstack/build/1a6fe324f5b24fe49911c79c365afd38 : SUCCESS in 1h 52m 55s\n- nova-next https://zuul.opendev.org/t/openstack/build/bce363bbc20f42c1832e9e64c5bed3aa : SUCCESS in 1h 52m 36s\n- nova-alt-configurations https://zuul.opendev.org/t/openstack/build/f031f62f05de4364a429745880b097f2 : POST_FAILURE in 30m 57s\n- nova-tox-validate-backport https://zuul.opendev.org/t/openstack/build/dd8bed48c34a4c3bbd794d1b8e194939 : SUCCESS in 3m 37s (non-voting)\n- nova-tox-functional-py311 https://zuul.opendev.org/t/openstack/build/6585cd11b08a41de9802a13a8a41c170 : SUCCESS in 24m 56s\n- nova-tox-functional-py313 https://zuul.opendev.org/t/openstack/build/2c1e11ae36f74b95b4cbaaf7e8dc315d : SUCCESS in 29m 54s\n- nova-tox-functional-py313-threading https://zuul.opendev.org/t/openstack/build/8ca12a58dd40436daf30924c4437c878 : SUCCESS in 27m 18s (non-voting)\n- nova-grenade-multinode https://zuul.opendev.org/t/openstack/build/97351e5c3d064e23b73182432e4dc92c : SUCCESS in 1h 24m 39s\n- tempest-ipv6-only https://zuul.opendev.org/t/openstack/build/8dbea5b446cc4e7bafd4a9a326da164e : SUCCESS in 56m 04s\n- cyborg-tempest-py3 https://zuul.opendev.org/t/openstack/build/932e15bc326f4eb6bd91b0a8c86ba200 : SUCCESS in 27m 54s (non-voting)\n- barbican-tempest-plugin-simple-crypto https://zuul.opendev.org/t/openstack/build/efe87f93e7a042c3979c77487ab293b3 : SUCCESS in 33m 41s (non-voting)\n- nova-tox-py313-threading https://zuul.opendev.org/t/openstack/build/ea0a3e15deed4dca9bac5148b0135e69 : SUCCESS in 13m 05s","accounts_in_message":[],"_revision_number":4},{"id":"d154ab05d1b2daa9cf55be8eaa7e586303402843","tag":"autogenerated:sap-openstack-ci~result","author":{"_account_id":36571,"name":"vmwareapi CI run by SAP","display_name":"vmwareapi CI run by SAP","email":"openstack-ci@sap.com","username":"sap-openstack-ci","status":"CI account for integration tests of the Nova vmwareapi driver","tags":["SERVICE_USER"]},"date":"2026-07-15 21:47:45.000000000","message":"Patch Set 4:\n\nIgnore for now: Test failed. 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https://zuul.opendev.org/t/openstack/build/74e366fe74614957b1a6184cc3ed8fca : SUCCESS in 20m 27s (non-voting)\n- openstack-tox-py314-arm64 https://zuul.opendev.org/t/openstack/build/51648e642593445bbd35557c9345467d : SUCCESS in 30m 59s (non-voting)","accounts_in_message":[],"_revision_number":4},{"id":"5da1380934df396aad5e06b7b973c8d37d62df08","tag":"autogenerated:zuul:check","author":{"_account_id":22348,"name":"Zuul","username":"zuul","tags":["SERVICE_USER"]},"date":"2026-07-20 23:52:06.000000000","message":"Patch Set 4: Verified+1\n\nBuild succeeded (check pipeline).\nhttps://zuul.opendev.org/t/openstack/buildset/2697f6c045bd4f6f88cc4f018b6013bb\n\n- grenade-skip-level-always https://zuul.opendev.org/t/openstack/build/98277e9a3b4f482aadbb36dac690833f : SUCCESS in 45m 22s\n- tempest-integrated-compute https://zuul.opendev.org/t/openstack/build/4cddd624f8df41da9d5d1bf6e8dc428e : SUCCESS in 1h 13m 24s\n- openstacksdk-functional-devstack https://zuul.opendev.org/t/openstack/build/a4ee3f23e5d243e6b7fae6ed8ee74026 : SUCCESS in 35m 35s\n- openstack-tox-cover https://zuul.opendev.org/t/openstack/build/1238e433b10742759fa31c8fa8572019 : SUCCESS in 1h 01m 51s\n- openstack-tox-pep8 https://zuul.opendev.org/t/openstack/build/550a8f76471847b4adcba27ab1d19b4a : SUCCESS in 5m 18s\n- openstack-tox-py311 https://zuul.opendev.org/t/openstack/build/0b5de10e99744bcf94be6c93210f0123 : SUCCESS in 10m 26s\n- openstack-tox-py313 https://zuul.opendev.org/t/openstack/build/f401684e952845a89ec8159c26c5b677 : SUCCESS in 10m 32s\n- openstack-tox-py314 https://zuul.opendev.org/t/openstack/build/57e46882e3764f31bbbb71cbc76d343e : SUCCESS in 12m 52s (non-voting)\n- openstack-tox-docs https://zuul.opendev.org/t/openstack/build/6a3b692ad8cd432085128660951c1c7f : SUCCESS in 10m 32s\n- build-openstack-releasenotes https://zuul.opendev.org/t/openstack/build/732b29ab4de2418f8713f54c559f527b : SUCCESS in 8m 33s\n- ironic-tempest-bios-ipmi-autodetect https://zuul.opendev.org/t/openstack/build/a2c561879ed64d50a864e26ddc5bc53a : SUCCESS in 45m 21s (non-voting)\n- nova-ceph-multistore https://zuul.opendev.org/t/openstack/build/e0f6b76c04b64f959ae4908d37515c69 : SUCCESS in 1h 08m 19s\n- nova-live-migration https://zuul.opendev.org/t/openstack/build/c2a57f9bb0c445909b89116af8900d91 : SUCCESS in 50m 18s\n- nova-whitebox https://zuul.opendev.org/t/openstack/build/827372449e6b4c78a1f0ec7bbe67bd71 : SUCCESS in 34m 43s\n- nova-graceful-shutdown https://zuul.opendev.org/t/openstack/build/43314668fbca489caa4f406dbb825acf : SUCCESS in 45m 14s\n- nova-live-migration-ceph https://zuul.opendev.org/t/openstack/build/2fe8134bf14a4568a1b66b40f68f9aef : SUCCESS in 48m 47s\n- nova-multi-cell https://zuul.opendev.org/t/openstack/build/01c6718caf564505b47647833dfd2317 : SUCCESS in 1h 49m 08s\n- nova-next https://zuul.opendev.org/t/openstack/build/dc6a3be856aa4e54838e7dcfe5ef70b4 : SUCCESS in 1h 10m 45s\n- nova-alt-configurations 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(non-voting)\n- barbican-tempest-plugin-simple-crypto https://zuul.opendev.org/t/openstack/build/913f2a88e59a42129335b4350546313a : SUCCESS in 14m 29s (non-voting)\n- nova-tox-py313-threading https://zuul.opendev.org/t/openstack/build/90ad98cb78a34b13828c514842fcf97d : SUCCESS in 8m 37s","accounts_in_message":[],"_revision_number":4},{"id":"7ad2cc2fc700eb318ba45d24791c80f0619c0329","tag":"autogenerated:jenkins-gerrit-trigger","author":{"_account_id":34420,"name":"openstack lightbits","display_name":"Lightbits CI","email":"openstack@lightbitslabs.com","username":"openstack_lightbits"},"date":"2026-07-21 00:02:36.000000000","message":"Patch Set 4:\n\nBuild succeeded. log path: ${LOG_PATH}\nLeave a comment with","accounts_in_message":[],"_revision_number":4}],"current_revision_number":4,"current_revision":"98f74e88a213ff7f0110b253b2286d3e2c740748","revisions":{"82a836f74430d217ca05df41795bceee86a8517a":{"kind":"REWORK","_number":1,"created":"2026-03-16 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GitWeb","url":"https://opendev.org/openstack/nova/commit/9aa6d98e2a480b82d8ea74a3d161bfb7c71b22b2"}]}],"author":{"name":"Sean Mooney","email":"work@seanmooney.info","date":"2026-03-16 00:19:10.000000000","tz":0},"committer":{"name":"Sean Mooney","email":"work@seanmooney.info","date":"2026-03-16 10:35:52.000000000","tz":0},"subject":"[WIP] perf(compute): parallelise per-node update_available_resource loop (B2)","message":"[WIP] perf(compute): parallelise per-node update_available_resource loop (B2)\n\nThe update_available_resource periodic task iterates all managed nodes\nserially.  For the Ironic driver with N\u003d1000 nodes and ~2 s per node\nthis takes ~33 minutes — nearly the entire periodic interval.\n\nAdd [compute] update_resources_max_workers (default 1) which creates a\nfuturist thread-pool executor and fans out per-node updates through\nnova.utils.spawn_on().  When the option is 1 (default) the original\nsequential loop runs unchanged, preserving existing behaviour for all\nsingle-node drivers.\n\nThread-safety analysis:\n  - Each node\u0027s update reads/writes only its own ResourceTracker key\n    in the shared compute_nodes dict — safe under the GIL.\n  - SchedulerReportClient._provider_tree is protected by a per-tree\n    lock; the subtree() / update_from_provider_tree(scope_rp_uuid\u003d)\n    pattern from commit B6 ensures per-node isolation.\n  - All DB writes in _update_available_resource_for_node operate on\n    per-node ComputeNode objects so concurrent writes to different\n    nodes are independent.\n\nFor an Ironic deployment with max_workers\u003d32 and N\u003d1000 nodes the\nexpected wall-clock time drops from ~33 min to ~1 min.\n\nUnit test: test_update_available_resource_parallel asserts all nodes\nare processed when max_workers \u003e 1.\n\nRelated-Bug: startup performance bottleneck B2 (startup.md)\nGenerated-By: Cursor sonnet 4.6\nChange-Id: I36163947a09b82cfc40ab4b522d82ffb503a0b84\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/82a836f74430d217ca05df41795bceee86a8517a"}],"resolve_conflicts_web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/nova/commit/82a836f74430d217ca05df41795bceee86a8517a"}]},"branch":"refs/heads/master"},"82427231e66fbb9c78d343486386cc0a1c0eaa4b":{"kind":"REWORK","_number":2,"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/79/980679/2","fetch":{"anonymous http":{"url":"https://review.opendev.org/openstack/nova","ref":"refs/changes/79/980679/2","commands":{"Checkout":"git fetch https://review.opendev.org/openstack/nova refs/changes/79/980679/2 \u0026\u0026 git checkout FETCH_HEAD","Cherry Pick":"git fetch https://review.opendev.org/openstack/nova refs/changes/79/980679/2 \u0026\u0026 git cherry-pick FETCH_HEAD","Format Patch":"git fetch https://review.opendev.org/openstack/nova refs/changes/79/980679/2 \u0026\u0026 git format-patch -1 --stdout FETCH_HEAD","Pull":"git pull https://review.opendev.org/openstack/nova refs/changes/79/980679/2"}}},"commit":{"parents":[{"commit":"de1fcccd967328064f51bc320e203cec6910f9e4","subject":"Reduce ProviderTree copy cost for Ironic","web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/nova/commit/de1fcccd967328064f51bc320e203cec6910f9e4"}]}],"author":{"name":"Sean Mooney","email":"work@seanmooney.info","date":"2026-03-16 00:19:10.000000000","tz":0},"committer":{"name":"Sean Mooney","email":"work@seanmooney.info","date":"2026-07-03 17:48:50.000000000","tz":60},"subject":"Parallelize per-node resource updates","message":"Parallelize per-node resource updates\n\nThe update_available_resource periodic task updates every node managed by a\ncompute service serially. This is acceptable for drivers that manage one or a\nsmall number of nodes, but it can make nova-compute startup and periodic\nresource reporting take many minutes for large Ironic deployments where a\nsingle compute service can manage hundreds or thousands of bare metal nodes.\n\nAdd [compute] update_resources_max_workers, defaulting to 1, to let operators\nfan out per-node updates through the compute service executor. The default\nkeeps the previous sequential behavior. Larger values allow Ironic deployments\nto trade additional nova-compute CPU usage and Placement API concurrency for\nlower wall-clock update latency.\n\nThe parallel path drains every scheduled future before returning. If one or\nmore per-node updates fail, the first exception is re-raised after all futures\nare drained so startup-fatal errors keep the same semantics as the sequential\npath.\n\nDocument the Ironic tuning guidance and add a release note that frames the\nstartup and resource-reporting improvements in this series as performance bug\nfixes for large Ironic deployments.\n\nGenerated-By: Cursor sonnet 4.6\nChange-Id: I36163947a09b82cfc40ab4b522d82ffb503a0b84\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/82427231e66fbb9c78d343486386cc0a1c0eaa4b"}],"resolve_conflicts_web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/nova/commit/82427231e66fbb9c78d343486386cc0a1c0eaa4b"}]},"branch":"refs/heads/master"},"c2806dd895846150edbd2d38363800be89d3f7a6":{"kind":"REWORK","_number":3,"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/79/980679/3","fetch":{"anonymous http":{"url":"https://review.opendev.org/openstack/nova","ref":"refs/changes/79/980679/3","commands":{"Checkout":"git fetch https://review.opendev.org/openstack/nova refs/changes/79/980679/3 \u0026\u0026 git checkout FETCH_HEAD","Cherry Pick":"git fetch https://review.opendev.org/openstack/nova refs/changes/79/980679/3 \u0026\u0026 git cherry-pick FETCH_HEAD","Format Patch":"git fetch https://review.opendev.org/openstack/nova refs/changes/79/980679/3 \u0026\u0026 git format-patch -1 --stdout FETCH_HEAD","Pull":"git pull https://review.opendev.org/openstack/nova refs/changes/79/980679/3"}}},"commit":{"parents":[{"commit":"de1fcccd967328064f51bc320e203cec6910f9e4","subject":"Reduce ProviderTree copy cost for Ironic","web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/nova/commit/de1fcccd967328064f51bc320e203cec6910f9e4"}]}],"author":{"name":"Sean Mooney","email":"work@seanmooney.info","date":"2026-03-16 00:19:10.000000000","tz":0},"committer":{"name":"Sean Mooney","email":"work@seanmooney.info","date":"2026-07-06 12:50:21.000000000","tz":60},"subject":"Parallelize per-node resource updates","message":"Parallelize per-node resource updates\n\nThe update_available_resource periodic task updates every node managed by a\ncompute service serially. This is acceptable for drivers that manage one or a\nsmall number of nodes, but it can make nova-compute startup and periodic\nresource reporting take many minutes for large Ironic deployments where a\nsingle compute service can manage hundreds or thousands of bare metal nodes.\n\nAdd [compute] update_resources_max_workers, defaulting to 1, to let operators\nfan out per-node updates through the compute service executor. The default\nkeeps the previous sequential behavior. Larger values allow Ironic deployments\nto trade additional nova-compute CPU usage and Placement API concurrency for\nlower wall-clock update latency.\n\nThe parallel path drains every scheduled future before returning. If one or\nmore per-node updates fail, the first exception is re-raised after all futures\nare drained so startup-fatal errors keep the same semantics as the sequential\npath.\n\nDocument the Ironic tuning guidance and add a release note that frames the\nstartup and resource-reporting improvements in this series as performance bug\nfixes for large Ironic deployments.\n\nGenerated-By: Cursor sonnet 4.6\nChange-Id: I36163947a09b82cfc40ab4b522d82ffb503a0b84\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/c2806dd895846150edbd2d38363800be89d3f7a6"}],"resolve_conflicts_web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/nova/commit/c2806dd895846150edbd2d38363800be89d3f7a6"}]},"branch":"refs/heads/master"},"98f74e88a213ff7f0110b253b2286d3e2c740748":{"kind":"TRIVIAL_REBASE","_number":4,"created":"2026-07-13 20:08:28.000000000","uploader":{"_account_id":11604,"name":"sean mooney","email":"smooney@redhat.com","username":"sean-k-mooney"},"ref":"refs/changes/79/980679/4","fetch":{"anonymous http":{"url":"https://review.opendev.org/openstack/nova","ref":"refs/changes/79/980679/4","commands":{"Checkout":"git fetch https://review.opendev.org/openstack/nova refs/changes/79/980679/4 \u0026\u0026 git checkout FETCH_HEAD","Cherry Pick":"git fetch https://review.opendev.org/openstack/nova refs/changes/79/980679/4 \u0026\u0026 git cherry-pick FETCH_HEAD","Format Patch":"git fetch https://review.opendev.org/openstack/nova refs/changes/79/980679/4 \u0026\u0026 git format-patch -1 --stdout FETCH_HEAD","Pull":"git pull https://review.opendev.org/openstack/nova refs/changes/79/980679/4"}}},"commit":{"parents":[{"commit":"88493bec306f09d61a02d61aa7247a13c0e19a11","subject":"Reduce ProviderTree copy cost for Ironic","web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/nova/commit/88493bec306f09d61a02d61aa7247a13c0e19a11"}]}],"author":{"name":"Sean Mooney","email":"work@seanmooney.info","date":"2026-03-16 00:19:10.000000000","tz":0},"committer":{"name":"sean mooney","email":"work@seanmooney.info","date":"2026-07-13 20:08:28.000000000","tz":0},"subject":"Parallelize per-node resource updates","message":"Parallelize per-node resource updates\n\nThe update_available_resource periodic task updates every node managed by a\ncompute service serially. This is acceptable for drivers that manage one or a\nsmall number of nodes, but it can make nova-compute startup and periodic\nresource reporting take many minutes for large Ironic deployments where a\nsingle compute service can manage hundreds or thousands of bare metal nodes.\n\nAdd [compute] update_resources_max_workers, defaulting to 1, to let operators\nfan out per-node updates through the compute service executor. The default\nkeeps the previous sequential behavior. Larger values allow Ironic deployments\nto trade additional nova-compute CPU usage and Placement API concurrency for\nlower wall-clock update latency.\n\nThe parallel path drains every scheduled future before returning. 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