mik-laj opened a new pull request #7510: [AIRFLOW-6887][WIP] Do not check the state of fresh DAGRun URL: https://github.com/apache/airflow/pull/7510 When I have following DAG File: ```python from datetime import timedelta from airflow.models import DAG from airflow.operators.dummy_operator import DummyOperator from airflow.utils.dates import days_ago args = { 'owner': 'airflow', 'start_date': days_ago(3), } def create_dag(dag_number): dag = DAG( dag_id=f'perf_50_dag_dummy_tasks_{dag_number}_of_50', default_args=args, schedule_interval=timedelta(minutes=30), # schedule_interval=None, dagrun_timeout=timedelta(minutes=60), is_paused_upon_creation=False, ) DummyOperator( task_id='task_1_of_5', dag=dag ) return dag for i in range(1, 200): globals()[f"dag_{i}"] = create_dag(i) ``` I ran following code ``` from airflow.jobs.scheduler_job import DagFileProcessor processor = DagFileProcessor([], log) processor.process_file(DAG_FILE, None, pickle_dags=False) ``` I got the following values: **Before:** Query count: 1800 Average time 6104.482 ms **After:** Query count: 1601 Average time 5541.349 ms **Diff** Query count: 199 (-11%) Average time 563 ms (-9%) --- Issue link: WILL BE INSERTED BY [boring-cyborg](https://github.com/kaxil/boring-cyborg) Make sure to mark the boxes below before creating PR: [x] - [ ] Description above provides context of the change - [ ] Commit message/PR title starts with `[AIRFLOW-NNNN]`. AIRFLOW-NNNN = JIRA ID<sup>*</sup> - [ ] Unit tests coverage for changes (not needed for documentation changes) - [ ] Commits follow "[How to write a good git commit message](http://chris.beams.io/posts/git-commit/)" - [ ] Relevant documentation is updated including usage instructions. - [ ] I will engage committers as explained in [Contribution Workflow Example](https://github.com/apache/airflow/blob/master/CONTRIBUTING.rst#contribution-workflow-example). <sup>*</sup> For document-only changes commit message can start with `[AIRFLOW-XXXX]`. --- In case of fundamental code change, Airflow Improvement Proposal ([AIP](https://cwiki.apache.org/confluence/display/AIRFLOW/Airflow+Improvements+Proposals)) is needed. In case of a new dependency, check compliance with the [ASF 3rd Party License Policy](https://www.apache.org/legal/resolved.html#category-x). In case of backwards incompatible changes please leave a note in [UPDATING.md](https://github.com/apache/airflow/blob/master/UPDATING.md). Read the [Pull Request Guidelines](https://github.com/apache/airflow/blob/master/CONTRIBUTING.rst#pull-request-guidelines) for more information.
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