smartnewsdingli opened a new issue #19832: URL: https://github.com/apache/airflow/issues/19832
### Apache Airflow version 2.2.2 (latest released) ### Operating System ubuntu ### Versions of Apache Airflow Providers _No response_ ### Deployment Other ### Deployment details multi schedulers. Deployed with kubernetes, and worker pod run with LocalExecutor. ### What happened The worker pod error with log there is a similar pr but for scheduler deadlock https://github.com/apache/airflow/pull/18975/files `[2021-11-25 23:08:18,700] {dagbag.py:500} INFO - Filling up the DagBag from /usr/local/spaas-airflow/dags/algolift/algolift_load.py Running <TaskInstance: algo-lift.load.wait_for_data scheduled__2021-11-22T00:00:00+00:00 [running]> on host algoliftloadwaitfordata.2388e61b4fd84b6e815f9a0f4e123ad9 Traceback (most recent call last): File "/usr/local/lib/python3.7/dist-packages/sqlalchemy/engine/base.py", line 1277, in _execute_context cursor, statement, parameters, context File "/usr/local/lib/python3.7/dist-packages/sqlalchemy/engine/default.py", line 608, in do_execute cursor.execute(statement, parameters) File "/usr/local/lib/python3.7/dist-packages/MySQLdb/cursors.py", line 206, in execute res = self._query(query) File "/usr/local/lib/python3.7/dist-packages/MySQLdb/cursors.py", line 319, in _query db.query(q) File "/usr/local/lib/python3.7/dist-packages/MySQLdb/connections.py", line 259, in query _mysql.connection.query(self, query) MySQLdb._exceptions.OperationalError: (1213, 'Deadlock found when trying to get lock; try restarting transaction') The above exception was the direct cause of the following exception: Traceback (most recent call last): File "/usr/local/bin/airflow", line 8, in <module> sys.exit(main()) File "/usr/local/lib/python3.7/dist-packages/airflow/__main__.py", line 48, in main args.func(args) File "/usr/local/lib/python3.7/dist-packages/airflow/cli/cli_parser.py", line 48, in command return func(*args, **kwargs) File "/usr/local/lib/python3.7/dist-packages/airflow/utils/cli.py", line 92, in wrapper return f(*args, **kwargs) File "/usr/local/lib/python3.7/dist-packages/airflow/cli/commands/task_command.py", line 292, in task_run _run_task_by_selected_method(args, dag, ti) File "/usr/local/lib/python3.7/dist-packages/airflow/cli/commands/task_command.py", line 105, in _run_task_by_selected_method _run_task_by_local_task_job(args, ti) File "/usr/local/lib/python3.7/dist-packages/airflow/cli/commands/task_command.py", line 163, in _run_task_by_local_task_job run_job.run() File "/usr/local/lib/python3.7/dist-packages/airflow/jobs/base_job.py", line 245, in run self._execute() File "/usr/local/lib/python3.7/dist-packages/airflow/jobs/local_task_job.py", line 97, in _execute external_executor_id=self.external_executor_id, File "/usr/local/lib/python3.7/dist-packages/airflow/utils/session.py", line 70, in wrapper return func(*args, session=session, **kwargs) File "/usr/local/lib/python3.7/dist-packages/airflow/models/taskinstance.py", line 1176, in check_and_change_state_before_execution self.refresh_from_db(session=session, lock_for_update=True) File "/usr/local/lib/python3.7/dist-packages/airflow/utils/session.py", line 67, in wrapper return func(*args, **kwargs) File "/usr/local/lib/python3.7/dist-packages/airflow/models/taskinstance.py", line 729, in refresh_from_db ti: Optional[TaskInstance] = qry.with_for_update().first() File "/usr/local/lib/python3.7/dist-packages/sqlalchemy/orm/query.py", line 3429, in first ret = list(self[0:1]) File "/usr/local/lib/python3.7/dist-packages/sqlalchemy/orm/query.py", line 3203, in __getitem__ return list(res) File "/usr/local/lib/python3.7/dist-packages/sqlalchemy/orm/query.py", line 3535, in __iter__ return self._execute_and_instances(context) File "/usr/local/lib/python3.7/dist-packages/sqlalchemy/orm/query.py", line 3560, in _execute_and_instances result = conn.execute(querycontext.statement, self._params) File "/usr/local/lib/python3.7/dist-packages/sqlalchemy/engine/base.py", line 1011, in execute return meth(self, multiparams, params) File "/usr/local/lib/python3.7/dist-packages/sqlalchemy/sql/elements.py", line 298, in _execute_on_connection return connection._execute_clauseelement(self, multiparams, params) File "/usr/local/lib/python3.7/dist-packages/sqlalchemy/engine/base.py", line 1130, in _execute_clauseelement distilled_params, File "/usr/local/lib/python3.7/dist-packages/sqlalchemy/engine/base.py", line 1317, in _execute_context e, statement, parameters, cursor, context File "/usr/local/lib/python3.7/dist-packages/sqlalchemy/engine/base.py", line 1511, in _handle_dbapi_exception sqlalchemy_exception, with_traceback=exc_info[2], from_=e File "/usr/local/lib/python3.7/dist-packages/sqlalchemy/util/compat.py", line 182, in raise_ raise exception File "/usr/local/lib/python3.7/dist-packages/sqlalchemy/engine/base.py", line 1277, in _execute_context cursor, statement, parameters, context File "/usr/local/lib/python3.7/dist-packages/sqlalchemy/engine/default.py", line 608, in do_execute cursor.execute(statement, parameters) File "/usr/local/lib/python3.7/dist-packages/MySQLdb/cursors.py", line 206, in execute res = self._query(query) File "/usr/local/lib/python3.7/dist-packages/MySQLdb/cursors.py", line 319, in _query db.query(q) File "/usr/local/lib/python3.7/dist-packages/MySQLdb/connections.py", line 259, in query _mysql.connection.query(self, query) sqlalchemy.exc.OperationalError: (MySQLdb._exceptions.OperationalError) (1213, 'Deadlock found when trying to get lock; try restarting transaction') [SQL: SELECT task_instance.try_number AS task_instance_try_number, task_instance.task_id AS task_instance_task_id, task_instance.dag_id AS task_instance_dag_id, task_instance.run_id AS task_instance_run_id, task_instance.start_date AS task_instance_start_date, task_instance.end_date AS task_instance_end_date, task_instance.duration AS task_instance_duration, task_instance.state AS task_instance_state, task_instance.max_tries AS task_instance_max_tries, task_instance.hostname AS task_instance_hostname, task_instance.unixname AS task_instance_unixname, task_instance.job_id AS task_instance_job_id, task_instance.pool AS task_instance_pool, task_instance.pool_slots AS task_instance_pool_slots, task_instance.queue AS task_instance_queue, task_instance.priority_weight AS task_instance_priority_weight, task_instance.operator AS task_instance_operator, task_instance.queued_dttm AS task_instance_queued_dttm, task_instance.queued_by_job_id AS task_instance_queued_by_job_id, task_instance.pi d AS task_instance_pid, task_instance.executor_config AS task_instance_executor_config, task_instance.external_executor_id AS task_instance_external_executor_id, task_instance.trigger_id AS task_instance_trigger_id, task_instance.trigger_timeout AS task_instance_trigger_timeout, task_instance.next_method AS task_instance_next_method, task_instance.next_kwargs AS task_instance_next_kwargs, dag_run_1.state AS dag_run_1_state, dag_run_1.id AS dag_run_1_id, dag_run_1.dag_id AS dag_run_1_dag_id, dag_run_1.queued_at AS dag_run_1_queued_at, dag_run_1.execution_date AS dag_run_1_execution_date, dag_run_1.start_date AS dag_run_1_start_date, dag_run_1.end_date AS dag_run_1_end_date, dag_run_1.run_id AS dag_run_1_run_id, dag_run_1.creating_job_id AS dag_run_1_creating_job_id, dag_run_1.external_trigger AS dag_run_1_external_trigger, dag_run_1.run_type AS dag_run_1_run_type, dag_run_1.conf AS dag_run_1_conf, dag_run_1.data_interval_start AS dag_run_1_data_interval_start, dag_run_1.data_interval _end AS dag_run_1_data_interval_end, dag_run_1.last_scheduling_decision AS dag_run_1_last_scheduling_decision, dag_run_1.dag_hash AS dag_run_1_dag_hash FROM task_instance INNER JOIN dag_run AS dag_run_1 ON dag_run_1.dag_id = task_instance.dag_id AND dag_run_1.run_id = task_instance.run_id WHERE task_instance.dag_id = %s AND task_instance.task_id = %s AND task_instance.run_id = %s LIMIT %s FOR UPDATE] [parameters: ('algo-lift.load', 'wait_for_data', 'scheduled__2021-11-22T00:00:00+00:00', 1)] (Background on this error at: http://sqlalche.me/e/13/e3q8)` ### What you expected to happen Shouldn't have this error. ### How to reproduce _No response_ ### Anything else This issue happened sometimes not always. ### Are you willing to submit PR? - [X] Yes I am willing to submit a PR! ### Code of Conduct - [X] I agree to follow this project's [Code of Conduct](https://github.com/apache/airflow/blob/main/CODE_OF_CONDUCT.md) -- This is an automated message from the Apache Git Service. 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