vardancse commented on a change in pull request #7476: [AIRFLOW-6856] Bulk
fetch paused_dag_ids
URL: https://github.com/apache/airflow/pull/7476#discussion_r386208633
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File path: airflow/jobs/scheduler_job.py
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@@ -816,7 +811,12 @@ def process_file(self, file_path, zombies,
pickle_dags=False, session=None):
# Save individual DAGs in the ORM and update
DagModel.last_scheduled_time
dagbag.sync_to_db()
- paused_dag_ids = {dag.dag_id for dag in dagbag.dags.values() if
dag.is_paused}
+ paused_dag_ids = (
+ session.query(DagModel.dag_id)
+ .filter(DagModel.is_paused.is_(True))
+ .filter(DagModel.dag_id.in_(dagbag.dag_ids))
Review comment:
Is IN query recommended here for use cases where we have 10 thousands of
paused dag? Shouldn't query be broken into smaller batches?
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