dimberman commented on a change in pull request #6732: [AIRFLOW-6175] fixes
scheduler queue bug
URL: https://github.com/apache/airflow/pull/6732#discussion_r354476049
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File path: tests/jobs/test_scheduler_job.py
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@@ -188,6 +188,55 @@ def test_process_executor_events(self, mock_stats_incr):
mock_stats_incr.assert_called_once_with('scheduler.tasks.killed_externally')
+ def test_scheduler_executor_overflow(self):
+ """
+ Test that tasks that tasks that are set back to scheduled after
+ """
+ executor = TestExecutor(do_update=True, parallelism=3)
+ session = settings.Session()
+ dag = self.create_test_dag()
+ task = DummyOperator(
+ task_id='dummy',
+ dag=dag,
+ owner='airflow')
+ from datetime import timedelta
+ tis = []
+ for i in range(1,10):
+ ti = TI(task, DEFAULT_DATE + timedelta(days=i))
+ ti.state = State.SCHEDULED
+ tis.append(ti)
+ session.merge(ti)
+ session.commit()
+
+ simple_dag_bag = self._make_simple_dag_bag([dag])
+ scheduler = SchedulerJob(num_runs=1,
+ executor=executor,
+ subdir=os.path.join(settings.DAGS_FOLDER,
+ "no_dags.py"))
+ mock.patch.object(scheduler,
'_change_state_for_tis_without_dagrun').start()
Review comment:
Yes. Otherwise the tasks won't run because they don't have an associated
DagRun.
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