[
https://issues.apache.org/jira/browse/AIRFLOW-2516?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17031064#comment-17031064
]
Chinmay Joshi commented on AIRFLOW-2516:
----------------------------------------
Any progress on this? We are also facing this issue with stacktrace as below.
{code:java}
Traceback (most recent call last):
File "/usr/local/lib/python3.6/dist-packages/airflow/models/taskinstance.py",
line 930, in _run_raw_task
result = task_copy.execute(context=context)
File
"/usr/local/lib/python3.6/dist-packages/airflow/operators/subdag_operator.py",
line 102, in execute
executor=self.executor)
File "/usr/local/lib/python3.6/dist-packages/airflow/models/dag.py", line
1284, in run
job.run()
File "/usr/local/lib/python3.6/dist-packages/airflow/jobs/base_job.py", line
222, in run
self._execute()
File "/usr/local/lib/python3.6/dist-packages/airflow/utils/db.py", line 74,
in wrapper
return func(*args, **kwargs)
File "/usr/local/lib/python3.6/dist-packages/airflow/jobs/backfill_job.py",
line 769, in _execute
session=session)
File "/usr/local/lib/python3.6/dist-packages/airflow/utils/db.py", line 70,
in wrapper
return func(*args, **kwargs)
File "/usr/local/lib/python3.6/dist-packages/airflow/jobs/backfill_job.py",
line 699, in _execute_for_run_dates
session=session)
File "/usr/local/lib/python3.6/dist-packages/airflow/utils/db.py", line 70,
in wrapper
return func(*args, **kwargs)
File "/usr/local/lib/python3.6/dist-packages/airflow/jobs/backfill_job.py",
line 586, in _process_backfill_task_instances
_per_task_process(task, key, ti)
File "/usr/local/lib/python3.6/dist-packages/airflow/utils/db.py", line 74,
in wrapper
return func(*args, **kwargs)
File "/usr/local/lib/python3.6/dist-packages/airflow/jobs/backfill_job.py",
line 508, in _per_task_process
session.commit()
File "/usr/local/lib/python3.6/dist-packages/sqlalchemy/orm/session.py", line
1036, in commit
self.transaction.commit()
File "/usr/local/lib/python3.6/dist-packages/sqlalchemy/orm/session.py", line
503, in commit
self._prepare_impl()
File "/usr/local/lib/python3.6/dist-packages/sqlalchemy/orm/session.py", line
482, in _prepare_impl
self.session.flush()
File "/usr/local/lib/python3.6/dist-packages/sqlalchemy/orm/session.py", line
2479, in flush
self._flush(objects)
File "/usr/local/lib/python3.6/dist-packages/sqlalchemy/orm/session.py", line
2617, in _flush
transaction.rollback(_capture_exception=True)
File "/usr/local/lib/python3.6/dist-packages/sqlalchemy/util/langhelpers.py",
line 68, in __exit__
compat.reraise(exc_type, exc_value, exc_tb)
File "/usr/local/lib/python3.6/dist-packages/sqlalchemy/util/compat.py", line
153, in reraise
raise value
File "/usr/local/lib/python3.6/dist-packages/sqlalchemy/orm/session.py", line
2577, in _flush
flush_context.execute()
File "/usr/local/lib/python3.6/dist-packages/sqlalchemy/orm/unitofwork.py",
line 422, in execute
rec.execute(self)
File "/usr/local/lib/python3.6/dist-packages/sqlalchemy/orm/unitofwork.py",
line 589, in execute
uow,
File "/usr/local/lib/python3.6/dist-packages/sqlalchemy/orm/persistence.py",
line 236, in save_obj
update,
File "/usr/local/lib/python3.6/dist-packages/sqlalchemy/orm/persistence.py",
line 996, in _emit_update_statements
statement, multiparams
File "/usr/local/lib/python3.6/dist-packages/sqlalchemy/engine/base.py", line
982, in execute
return meth(self, multiparams, params)
File "/usr/local/lib/python3.6/dist-packages/sqlalchemy/sql/elements.py",
line 287, in _execute_on_connection
return connection._execute_clauseelement(self, multiparams, params)
File "/usr/local/lib/python3.6/dist-packages/sqlalchemy/engine/base.py", line
1101, in _execute_clauseelement
distilled_params,
File "/usr/local/lib/python3.6/dist-packages/sqlalchemy/engine/base.py", line
1250, in _execute_context
e, statement, parameters, cursor, context
File "/usr/local/lib/python3.6/dist-packages/sqlalchemy/engine/base.py", line
1476, in _handle_dbapi_exception
util.raise_from_cause(sqlalchemy_exception, exc_info)
File "/usr/local/lib/python3.6/dist-packages/sqlalchemy/util/compat.py", line
398, in raise_from_cause
reraise(type(exception), exception, tb=exc_tb, cause=cause)
File "/usr/local/lib/python3.6/dist-packages/sqlalchemy/util/compat.py", line
152, in reraise
raise value.with_traceback(tb)
File "/usr/local/lib/python3.6/dist-packages/sqlalchemy/engine/base.py", line
1246, in _execute_context
cursor, statement, parameters, context
File "/usr/local/lib/python3.6/dist-packages/sqlalchemy/engine/default.py",
line 581, in do_execute
cursor.execute(statement, parameters)
File "/usr/local/lib/python3.6/dist-packages/MySQLdb/cursors.py", line 209,
in execute
res = self._query(query)
File "/usr/local/lib/python3.6/dist-packages/MySQLdb/cursors.py", line 315,
in _query
db.query(q)
File "/usr/local/lib/python3.6/dist-packages/MySQLdb/connections.py", line
239, 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: UPDATE task_instance SET state=%s, queued_dttm=%s WHERE
task_instance.task_id = %s AND task_instance.dag_id = %s AND
task_instance.execution_date = %s]
[parameters: ('queued', datetime.datetime(2020, 1, 14, 10, 51, 48, 301880,
tzinfo=<Timezone [UTC]>), 'SQL_W', 'RANDOM_DAG_ID.PhaseX.PhaseY.PhaseZ',
datetime.datetime(2020, 1, 14, 10, 28, 36, 123853, tzinfo=<Timezone [UTC]>))]
(Background on this error at: http://sqlalche.me/e/e3q8
{code}
It may not be related but there were some warnings as well.
{code:java}
[2020-01-14 10:51:43,217] {logging_mixin.py:112} INFO - [2020-01-14
10:51:43,217] {backfill_job.py:246}
WARNING - ('RANDOM_DAG_ID.PhaseX.PhaseY.PhaseZ', 'SQL_A',
datetime.datetime(2020, 1, 14, 10, 28, 36, 123853, tzinfo=<Timezone [UTC]>), 1)
state success not in running=dict_values(
[<TaskInstance: RANDOM_DAG_ID.PhaseX.PhaseY.PhaseZ.SQL_B 2020-01-14
10:28:36.123853+00:00 [running]>,
<TaskInstance: RANDOM_DAG_ID.PhaseX.PhaseY.PhaseZ.SQL_C 2020-01-14
10:28:36.123853+00:00 [running]>,
<TaskInstance: RANDOM_DAG_ID.PhaseX.PhaseY.PhaseZ.SQL_D 2020-01-14
10:28:36.123853+00:00 [running]>,
<TaskInstance: RANDOM_DAG_ID.PhaseX.PhaseY.PhaseZ.SQL_E 2020-01-14
10:28:36.123853+00:00 [running]>,
<TaskInstance: RANDOM_DAG_ID.PhaseX.PhaseY.PhaseZ.SQL_F 2020-01-14
10:28:36.123853+00:00 [running]>])
{code}
> Deadlock found when trying to update task_instance table
> --------------------------------------------------------
>
> Key: AIRFLOW-2516
> URL: https://issues.apache.org/jira/browse/AIRFLOW-2516
> Project: Apache Airflow
> Issue Type: Bug
> Components: DagRun
> Affects Versions: 1.8.0, 1.9.0, 1.10.0, 1.10.1, 1.10.2, 1.10.3, 1.10.4,
> 1.10.5, 1.10.6, 1.10.7
> Reporter: Jeff Liu
> Assignee: Jarek Potiuk
> Priority: Major
> Fix For: 1.10.8
>
> Attachments: Screenshot 2019-12-30 at 10.42.52.png,
> image-2019-12-30-10-48-41-313.png, image-2019-12-30-10-58-02-610.png,
> jobs.py, jobs_fixed_deadlock_possibly_1.9.py,
> scheduler_job_fixed_deadlock_possibly_1.10.6.py
>
>
>
>
> {code:java}
> [2018-05-23 17:59:57,218] {base_task_runner.py:98} INFO - Subtask:
> [2018-05-23 17:59:57,217] {base_executor.py:49} INFO - Adding to queue:
> airflow run production_wipeout_wipe_manager.Carat Carat_20180227
> 2018-05-23T17:41:18.815809 --local -sd DAGS_FOLDER/wipeout/wipeout.py
> [2018-05-23 17:59:57,231] {base_task_runner.py:98} INFO - Subtask: Traceback
> (most recent call last):
> [2018-05-23 17:59:57,232] {base_task_runner.py:98} INFO - Subtask: File
> "/usr/local/bin/airflow", line 27, in <module>
> [2018-05-23 17:59:57,232] {base_task_runner.py:98} INFO - Subtask:
> args.func(args)
> [2018-05-23 17:59:57,232] {base_task_runner.py:98} INFO - Subtask: File
> "/usr/local/lib/python2.7/site-packages/airflow/bin/cli.py", line 392, in run
> [2018-05-23 17:59:57,232] {base_task_runner.py:98} INFO - Subtask:
> pool=args.pool,
> [2018-05-23 17:59:57,233] {base_task_runner.py:98} INFO - Subtask: File
> "/usr/local/lib/python2.7/site-packages/airflow/utils/db.py", line 50, in
> wrapper
> [2018-05-23 17:59:57,233] {base_task_runner.py:98} INFO - Subtask: result =
> func(*args, **kwargs)
> [2018-05-23 17:59:57,233] {base_task_runner.py:98} INFO - Subtask: File
> "/usr/local/lib/python2.7/site-packages/airflow/models.py", line 1532, in
> _run_raw_task
> [2018-05-23 17:59:57,234] {base_task_runner.py:98} INFO - Subtask:
> self.handle_failure(e, test_mode, context)
> [2018-05-23 17:59:57,234] {base_task_runner.py:98} INFO - Subtask: File
> "/usr/local/lib/python2.7/site-packages/airflow/models.py", line 1641, in
> handle_failure
> [2018-05-23 17:59:57,234] {base_task_runner.py:98} INFO - Subtask:
> session.merge(self)
> [2018-05-23 17:59:57,235] {base_task_runner.py:98} INFO - Subtask: File
> "/usr/local/lib/python2.7/site-packages/sqlalchemy/orm/session.py", line
> 1920, in merge
> [2018-05-23 17:59:57,235] {base_task_runner.py:98} INFO - Subtask:
> _resolve_conflict_map=_resolve_conflict_map)
> [2018-05-23 17:59:57,235] {base_task_runner.py:98} INFO - Subtask: File
> "/usr/local/lib/python2.7/site-packages/sqlalchemy/orm/session.py", line
> 1974, in _merge
> [2018-05-23 17:59:57,236] {base_task_runner.py:98} INFO - Subtask: merged =
> self.query(mapper.class_).get(key[1])
> [2018-05-23 17:59:57,236] {base_task_runner.py:98} INFO - Subtask: File
> "/usr/local/lib/python2.7/site-packages/sqlalchemy/orm/query.py", line 882,
> in get
> [2018-05-23 17:59:57,236] {base_task_runner.py:98} INFO - Subtask: ident,
> loading.load_on_pk_identity)
> [2018-05-23 17:59:57,236] {base_task_runner.py:98} INFO - Subtask: File
> "/usr/local/lib/python2.7/site-packages/sqlalchemy/orm/query.py", line 952,
> in _get_impl
> [2018-05-23 17:59:57,237] {base_task_runner.py:98} INFO - Subtask: return
> db_load_fn(self, primary_key_identity)
> [2018-05-23 17:59:57,237] {base_task_runner.py:98} INFO - Subtask: File
> "/usr/local/lib/python2.7/site-packages/sqlalchemy/orm/loading.py", line 247,
> in load_on_pk_i
> dentity
> [2018-05-23 17:59:57,237] {base_task_runner.py:98} INFO - Subtask: return
> q.one()
> [2018-05-23 17:59:57,238] {base_task_runner.py:98} INFO - Subtask: File
> "/usr/local/lib/python2.7/site-packages/sqlalchemy/orm/query.py", line 2884,
> in one
> [2018-05-23 17:59:57,238] {base_task_runner.py:98} INFO - Subtask: ret =
> self.one_or_none()
> [2018-05-23 17:59:57,238] {base_task_runner.py:98} INFO - Subtask: File
> "/usr/local/lib/python2.7/site-packages/sqlalchemy/orm/query.py", line 2854,
> in one_or_none
> [2018-05-23 17:59:57,238] {base_task_runner.py:98} INFO - Subtask: ret =
> list(self)
> [2018-05-23 17:59:57,239] {base_task_runner.py:98} INFO - Subtask: File
> "/usr/local/lib/python2.7/site-packages/sqlalchemy/orm/query.py", line 2925,
> in __iter__
> [2018-05-23 17:59:57,239] {base_task_runner.py:98} INFO - Subtask: return
> self._execute_and_instances(context)
> [2018-05-23 17:59:57,239] {base_task_runner.py:98} INFO - Subtask: File
> "/usr/local/lib/python2.7/site-packages/sqlalchemy/orm/query.py", line 2946,
> in _execute_and_instances
> [2018-05-23 17:59:57,240] {base_task_runner.py:98} INFO - Subtask:
> close_with_result=True)
> [2018-05-23 17:59:57,240] {base_task_runner.py:98} INFO - Subtask: File
> "/usr/local/lib/python2.7/site-packages/sqlalchemy/orm/query.py", line 2955,
> in _get_bind_ar
> s
> [2018-05-23 17:59:57,240] {base_task_runner.py:98} INFO - Subtask: **kw
> [2018-05-23 17:59:57,240] {base_task_runner.py:98} INFO - Subtask: File
> "/usr/local/lib/python2.7/site-packages/sqlalchemy/orm/query.py", line 2937,
> in _connection_f
> rom_session
> [2018-05-23 17:59:57,241] {base_task_runner.py:98} INFO - Subtask: conn =
> self.session.connection(**kw)
> [2018-05-23 17:59:57,241] {base_task_runner.py:98} INFO - Subtask: File
> "/usr/local/lib/python2.7/site-packages/sqlalchemy/orm/session.py", line
> 1035, in connection
> [2018-05-23 17:59:57,241] {base_task_runner.py:98} INFO - Subtask:
> execution_options=execution_options)
> [2018-05-23 17:59:57,241] {base_task_runner.py:98} INFO - Subtask: File
> "/usr/local/lib/python2.7/site-packages/sqlalchemy/orm/session.py", line
> 1040, in _connection
> _for_bind
> [2018-05-23 17:59:57,242] {base_task_runner.py:98} INFO - Subtask: engine,
> execution_options)
> [2018-05-23 17:59:57,242] {base_task_runner.py:98} INFO - Subtask: File
> "/usr/local/lib/python2.7/site-packages/sqlalchemy/orm/session.py", line 388,
> in _connection_
> for_bind
> [2018-05-23 17:59:57,242] {base_task_runner.py:98} INFO - Subtask:
> self._assert_active()
> [2018-05-23 17:59:57,243] {base_task_runner.py:98} INFO - Subtask: File
> "/usr/local/lib/python2.7/site-packages/sqlalchemy/orm/session.py", line 276,
> in _assert_acti
> ve
> [2018-05-23 17:59:57,243] {base_task_runner.py:98} INFO - Subtask: %
> self._rollback_exception
> [2018-05-23 17:59:57,244] {base_task_runner.py:98} INFO - Subtask:
> sqlalchemy.exc.InvalidRequestError: This Session's transaction has been
> rolled back due to a previou
> s exception during flush. To begin a new transaction with this Session, first
> issue Session.rollback(). Original exception was:
> (_mysql_exceptions.OperationalError) (1
> 213, 'Deadlock found when trying to get lock; try restarting transaction')
> [SQL: u'UPDATE task_instance SET state=%s WHERE task_instance.task_id = %s
> AND task_instance
> .dag_id = %s AND task_instance.execution_date = %s'] [parameters: (u'queued',
> 'Carat_20180227', 'production_wipeout_wipe_manager.Carat',
> datetime.datetime(2018, 5, 23,
> 17, 41, 18, 815809))] (Background on this error at:
> http://sqlalche.me/e/e3q8){code}
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
