huozhanfeng commented on a change in pull request #16768:
URL: https://github.com/apache/airflow/pull/16768#discussion_r664999838
##########
File path: airflow/dag_processing/processor.py
##########
@@ -568,14 +568,11 @@ def _execute_task_callbacks(self, dagbag: DagBag,
request: TaskCallbackRequest):
dag = dagbag.dags[simple_ti.dag_id]
if simple_ti.task_id in dag.task_ids:
task = dag.get_task(simple_ti.task_id)
- ti = TI(task, simple_ti.execution_date)
- # Get properties needed for failure handling from
SimpleTaskInstance.
- ti.start_date = simple_ti.start_date
- ti.end_date = simple_ti.end_date
- ti.try_number = simple_ti.try_number
- ti.state = simple_ti.state
- ti.test_mode = self.UNIT_TEST_MODE
if request.is_failure_callback:
+ ti = TI(task, simple_ti.execution_date)
+ #TODO use simple_ti to improve performance here in the
future
+ ti.refresh_from_db()
+ ti.test_mode = self.UNIT_TEST_MODE
Review comment:
Sure, I will improve it now.
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