zhongjiajie commented on a change in pull request #8259: [AIRFLOW-XXX] Optimize
airflow scheduler
URL: https://github.com/apache/airflow/pull/8259#discussion_r407321360
##########
File path: airflow/jobs.py
##########
@@ -1644,26 +1738,31 @@ def _execute_helper(self, processor_manager):
# If a task instance is up for retry but the corresponding DAG
run
# isn't running, mark the task instance as FAILED so we don't
try
# to re-run it.
- self._change_state_for_tis_without_dagrun(simple_dag_bag,
- [State.UP_FOR_RETRY],
- State.FAILED)
+ ret = self._change_state_for_tis_without_dagrun(simple_dag_bag,
+
[State.UP_FOR_RETRY],
+ State.FAILED)
+ if not ret:
+ continue
# If a task instance is scheduled or queued, but the
corresponding
# DAG run isn't running, set the state to NONE so we don't try
to
# re-run it.
- self._change_state_for_tis_without_dagrun(simple_dag_bag,
- [State.QUEUED,
- State.SCHEDULED],
- State.NONE)
-
+ ret = self._change_state_for_tis_without_dagrun(simple_dag_bag,
+ [State.QUEUED,
+
State.SCHEDULED],
+ State.NONE)
+ if not ret:
+ continue
self._execute_task_instances(simple_dag_bag,
(State.SCHEDULED,))
# Call heartbeats
self.log.info("Heartbeating the executor")
self.executor.heartbeat()
- # Process events from the executor
- self._process_executor_events(simple_dag_bag)
+ # Process all events from the executor
+ full_simple_dag_bag = SimpleDagBag(self.full_simple_dags.values())
+ self.executor_events =
self._process_executor_events(full_simple_dag_bag)
Review comment:
BTW, I don't know Baidu use Airflow before, do you mind to add your company
and your team members in https://github.com/apache/airflow/blob/master/README.md
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