kaxil commented on a change in pull request #7489: [AIRFLOW-6869][WIP] Bulk
fetch DAGRuns for _process_task_instances
URL: https://github.com/apache/airflow/pull/7489#discussion_r382940926
##########
File path: airflow/jobs/scheduler_job.py
##########
@@ -699,23 +727,30 @@ def _process_dags(self, dagbag, dags, tis_out):
self.log.info("Not processing DAG %s since it's paused",
dag.dag_id)
continue
- self.log.info("Processing %s", dag.dag_id)
+ dag_id = dag.dag_id
+ self.log.info("Processing %s", dag_id)
+ dag_runs_for_dag = dag_runs_by_dag_id[dag_id] if dag_id in
dag_runs_by_dag_id else []
# Only creates DagRun for DAGs that are not subdag since
# DagRun of subdags are created when SubDagOperator executes.
if not dag.is_subdag:
dag_run = self.create_dag_run(dag)
if dag_run:
+ dag_runs_for_dag.append(dag_run)
expected_start_date =
dag.following_schedule(dag_run.execution_date)
if expected_start_date:
schedule_delay = dag_run.start_date -
expected_start_date
Stats.timing(
'dagrun.schedule_delay.{dag_id}'.format(dag_id=dag.dag_id),
schedule_delay)
- self.log.info("Created %s", dag_run)
- self._process_task_instances(dag, tis_out)
- if check_slas:
- self.manage_slas(dag)
+ self.log.info("Created %s", dag_run)
+
+ if dag_runs_for_dag:
+ tis_out.extend(self._process_task_instances(dag,
dag_runs_for_dag))
+ if check_slas:
+ self.manage_slas(dag)
Review comment:
Should the `check_slas` be outside `if dag_runs_for_dag:`?
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