LogViewer
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2025-08-19 16:25:19 Tue	START TASK.01	future_1d  future_meta
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2025-08-19 16:25:21,614 - future_1d - INFO - save meta_TradingDay 2025-08-06 completed
2025-08-19 16:25:21,905 - future_1d - INFO - save meta_TradingDay 2025-08-07 completed
2025-08-19 16:25:22,252 - future_1d - INFO - save meta_TradingDay 2025-08-08 completed
2025-08-19 16:25:22,619 - future_1d - INFO - save meta_TradingDay 2025-08-11 completed
2025-08-19 16:25:22,910 - future_1d - INFO - save meta_TradingDay 2025-08-12 completed
2025-08-19 16:25:23,257 - future_1d - INFO - save meta_TradingDay 2025-08-13 completed
2025-08-19 16:25:23,571 - future_1d - INFO - save meta_TradingDay 2025-08-14 completed
2025-08-19 16:25:23,866 - future_1d - INFO - save meta_TradingDay 2025-08-15 completed
2025-08-19 16:25:24,208 - future_1d - INFO - save meta_TradingDay 2025-08-18 completed
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2025-08-19 17:11:11 Tue	START TASK.01	future_1d  future_meta
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2025-08-19 17:55:57 Tue	START TASK.01	future_1d  future_meta
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2025-08-19 18:25:37 Tue	START TASK.01	future_1d  future_meta
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2025-08-19 18:41:27 Tue	START TASK.01	future_1d  future_meta
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2025-08-19 19:11:07 Tue	START TASK.01	future_1d  future_meta
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2025-08-19 19:56:31 Tue	START TASK.01	future_1d  future_meta
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2025-08-19 20:41:36 Tue	START TASK.01	future_1d  future_meta
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2025-08-20 11:21:29,693 - future_1d - INFO - save meta_TradingDay 2025-08-06 completed
2025-08-20 11:21:29,694 - future_1d - INFO - save meta_TradingDay 2025-08-06 completed
2025-08-20 11:21:29,990 - future_1d - INFO - save meta_TradingDay 2025-08-07 completed
2025-08-20 11:21:29,997 - future_1d - INFO - save meta_TradingDay 2025-08-07 completed
2025-08-20 11:21:30,358 - future_1d - INFO - save meta_TradingDay 2025-08-08 completed
2025-08-20 11:21:30,361 - future_1d - INFO - save meta_TradingDay 2025-08-08 completed
2025-08-20 11:21:30,664 - future_1d - INFO - save meta_TradingDay 2025-08-11 completed
2025-08-20 11:21:30,666 - future_1d - INFO - save meta_TradingDay 2025-08-11 completed
2025-08-20 11:21:30,957 - future_1d - INFO - save meta_TradingDay 2025-08-12 completed
2025-08-20 11:21:30,960 - future_1d - INFO - save meta_TradingDay 2025-08-12 completed
2025-08-20 11:21:31,319 - future_1d - INFO - save meta_TradingDay 2025-08-13 completed
2025-08-20 11:21:31,324 - future_1d - INFO - save meta_TradingDay 2025-08-13 completed
2025-08-20 11:21:31,627 - future_1d - INFO - save meta_TradingDay 2025-08-14 completed
2025-08-20 11:21:31,648 - future_1d - INFO - save meta_TradingDay 2025-08-14 completed
2025-08-20 11:21:31,930 - future_1d - INFO - save meta_TradingDay 2025-08-15 completed
2025-08-20 11:21:32,086 - future_1d - INFO - save meta_TradingDay 2025-08-15 completed
2025-08-20 11:21:32,437 - future_1d - INFO - save meta_TradingDay 2025-08-18 completed
2025-08-20 11:21:32,651 - future_1d - INFO - save meta_TradingDay 2025-08-18 completed
2025-08-20 11:21:32,740 - future_1d - INFO - save meta_TradingDay 2025-08-19 completed
2025-08-20 11:21:32,952 - future_1d - INFO - save meta_TradingDay 2025-08-19 completed
Traceback (most recent call last):
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 736, in _read_bytes
    data = self._rfile.read(num_bytes)
  File "/usr/local/lib/python3.10/socket.py", line 705, in readinto
    return self._sock.recv_into(b)
ConnectionResetError: [Errno 104] Connection reset by peer

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 1145, in _commit_impl
    self.engine.dialect.do_commit(self.connection)
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/default.py", line 714, in do_commit
    dbapi_connection.commit()
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 472, in commit
    self._read_ok_packet()
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 442, in _read_ok_packet
    pkt = self._read_packet()
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 696, in _read_packet
    packet_header = self._read_bytes(4)
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 742, in _read_bytes
    raise err.OperationalError(
pymysql.err.OperationalError: (2013, 'Lost connection to MySQL server during query ([Errno 104] Connection reset by peer)')

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/root/project/future_1d/future_meta.py", line 7, in 
    client.save_meta(check=True, check_last=10)
  File "/root/project/future_1d/future1d_request.py", line 386, in save_meta
    self._save_meta_tradingday(check=check, check_last=check_last)
  File "/root/project/future_1d/future1d_request.py", line 421, in _save_meta_tradingday
    self.save_log(date=td, status='completed', category=tablebase.__tablename__)
  File "/root/project/future_1d/future1d_request.py", line 429, in save_log
    df_log.to_sql('future_log', self.engine, index=False, if_exists='append', chunksize=1000)
  File "/usr/local/lib/python3.10/site-packages/pandas/util/_decorators.py", line 333, in wrapper
    return func(*args, **kwargs)
  File "/usr/local/lib/python3.10/site-packages/pandas/core/generic.py", line 3106, in to_sql
    return sql.to_sql(
  File "/usr/local/lib/python3.10/site-packages/pandas/io/sql.py", line 843, in to_sql
    with pandasSQL_builder(con, schema=schema, need_transaction=True) as pandas_sql:
  File "/usr/local/lib/python3.10/site-packages/pandas/io/sql.py", line 1657, in __exit__
    self.exit_stack.close()
  File "/usr/local/lib/python3.10/contextlib.py", line 584, in close
    self.__exit__(None, None, None)
  File "/usr/local/lib/python3.10/contextlib.py", line 576, in __exit__
    raise exc_details[1]
  File "/usr/local/lib/python3.10/contextlib.py", line 561, in __exit__
    if cb(*exc_details):
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/util.py", line 147, in __exit__
    with util.safe_reraise():
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/util/langhelpers.py", line 224, in __exit__
    raise exc_value.with_traceback(exc_tb)
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/util.py", line 145, in __exit__
    self.commit()
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 2632, in commit
    self._do_commit()
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 2737, in _do_commit
    self._connection_commit_impl()
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 2708, in _connection_commit_impl
    self.connection._commit_impl()
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 1147, in _commit_impl
    self._handle_dbapi_exception(e, None, None, None, None)
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 2355, in _handle_dbapi_exception
    raise sqlalchemy_exception.with_traceback(exc_info[2]) from e
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 1145, in _commit_impl
    self.engine.dialect.do_commit(self.connection)
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/default.py", line 714, in do_commit
    dbapi_connection.commit()
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 472, in commit
    self._read_ok_packet()
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 442, in _read_ok_packet
    pkt = self._read_packet()
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 696, in _read_packet
    packet_header = self._read_bytes(4)
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 742, in _read_bytes
    raise err.OperationalError(
sqlalchemy.exc.OperationalError: (pymysql.err.OperationalError) (2013, 'Lost connection to MySQL server during query ([Errno 104] Connection reset by peer)')
(Background on this error at: https://sqlalche.me/e/20/e3q8)
Traceback (most recent call last):
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 736, in _read_bytes
    data = self._rfile.read(num_bytes)
  File "/usr/local/lib/python3.10/socket.py", line 705, in readinto
    return self._sock.recv_into(b)
ConnectionResetError: [Errno 104] Connection reset by peer

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 1145, in _commit_impl
    self.engine.dialect.do_commit(self.connection)
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/default.py", line 714, in do_commit
    dbapi_connection.commit()
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 472, in commit
    self._read_ok_packet()
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 442, in _read_ok_packet
    pkt = self._read_packet()
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 696, in _read_packet
    packet_header = self._read_bytes(4)
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 742, in _read_bytes
    raise err.OperationalError(
pymysql.err.OperationalError: (2013, 'Lost connection to MySQL server during query ([Errno 104] Connection reset by peer)')

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/root/project/future_1d/future_meta.py", line 7, in 
    client.save_meta(check=True, check_last=10)
  File "/root/project/future_1d/future1d_request.py", line 386, in save_meta
    self._save_meta_tradingday(check=check, check_last=check_last)
  File "/root/project/future_1d/future1d_request.py", line 421, in _save_meta_tradingday
    self.save_log(date=td, status='completed', category=tablebase.__tablename__)
  File "/root/project/future_1d/future1d_request.py", line 429, in save_log
    df_log.to_sql('future_log', self.engine, index=False, if_exists='append', chunksize=1000)
  File "/usr/local/lib/python3.10/site-packages/pandas/util/_decorators.py", line 333, in wrapper
    return func(*args, **kwargs)
  File "/usr/local/lib/python3.10/site-packages/pandas/core/generic.py", line 3106, in to_sql
    return sql.to_sql(
  File "/usr/local/lib/python3.10/site-packages/pandas/io/sql.py", line 843, in to_sql
    with pandasSQL_builder(con, schema=schema, need_transaction=True) as pandas_sql:
  File "/usr/local/lib/python3.10/site-packages/pandas/io/sql.py", line 1657, in __exit__
    self.exit_stack.close()
  File "/usr/local/lib/python3.10/contextlib.py", line 584, in close
    self.__exit__(None, None, None)
  File "/usr/local/lib/python3.10/contextlib.py", line 576, in __exit__
    raise exc_details[1]
  File "/usr/local/lib/python3.10/contextlib.py", line 561, in __exit__
    if cb(*exc_details):
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/util.py", line 147, in __exit__
    with util.safe_reraise():
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/util/langhelpers.py", line 224, in __exit__
    raise exc_value.with_traceback(exc_tb)
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/util.py", line 145, in __exit__
    self.commit()
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 2632, in commit
    self._do_commit()
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 2737, in _do_commit
    self._connection_commit_impl()
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 2708, in _connection_commit_impl
    self.connection._commit_impl()
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 1147, in _commit_impl
    self._handle_dbapi_exception(e, None, None, None, None)
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 2355, in _handle_dbapi_exception
    raise sqlalchemy_exception.with_traceback(exc_info[2]) from e
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 1145, in _commit_impl
    self.engine.dialect.do_commit(self.connection)
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/default.py", line 714, in do_commit
    dbapi_connection.commit()
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 472, in commit
    self._read_ok_packet()
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 442, in _read_ok_packet
    pkt = self._read_packet()
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 696, in _read_packet
    packet_header = self._read_bytes(4)
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 742, in _read_bytes
    raise err.OperationalError(
sqlalchemy.exc.OperationalError: (pymysql.err.OperationalError) (2013, 'Lost connection to MySQL server during query ([Errno 104] Connection reset by peer)')
(Background on this error at: https://sqlalche.me/e/20/e3q8)
Traceback (most recent call last):
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 736, in _read_bytes
    data = self._rfile.read(num_bytes)
  File "/usr/local/lib/python3.10/socket.py", line 705, in readinto
    return self._sock.recv_into(b)
ConnectionResetError: [Errno 104] Connection reset by peer

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 1145, in _commit_impl
    self.engine.dialect.do_commit(self.connection)
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/default.py", line 714, in do_commit
    dbapi_connection.commit()
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 472, in commit
    self._read_ok_packet()
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 442, in _read_ok_packet
    pkt = self._read_packet()
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 696, in _read_packet
    packet_header = self._read_bytes(4)
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 742, in _read_bytes
    raise err.OperationalError(
pymysql.err.OperationalError: (2013, 'Lost connection to MySQL server during query ([Errno 104] Connection reset by peer)')

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/root/project/future_1d/future_meta.py", line 7, in 
    client.save_meta(check=True, check_last=10)
  File "/root/project/future_1d/future1d_request.py", line 386, in save_meta
    self._save_meta_tradingday(check=check, check_last=check_last)
  File "/root/project/future_1d/future1d_request.py", line 417, in _save_meta_tradingday
    data_add.to_sql(tablebase.__tablename__, self.engine, index=False, if_exists='append', chunksize=1000)
  File "/usr/local/lib/python3.10/site-packages/pandas/util/_decorators.py", line 333, in wrapper
    return func(*args, **kwargs)
  File "/usr/local/lib/python3.10/site-packages/pandas/core/generic.py", line 3106, in to_sql
    return sql.to_sql(
  File "/usr/local/lib/python3.10/site-packages/pandas/io/sql.py", line 843, in to_sql
    with pandasSQL_builder(con, schema=schema, need_transaction=True) as pandas_sql:
  File "/usr/local/lib/python3.10/site-packages/pandas/io/sql.py", line 1657, in __exit__
    self.exit_stack.close()
  File "/usr/local/lib/python3.10/contextlib.py", line 584, in close
    self.__exit__(None, None, None)
  File "/usr/local/lib/python3.10/contextlib.py", line 576, in __exit__
    raise exc_details[1]
  File "/usr/local/lib/python3.10/contextlib.py", line 561, in __exit__
    if cb(*exc_details):
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/util.py", line 147, in __exit__
    with util.safe_reraise():
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/util/langhelpers.py", line 224, in __exit__
    raise exc_value.with_traceback(exc_tb)
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/util.py", line 145, in __exit__
    self.commit()
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 2632, in commit
    self._do_commit()
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 2737, in _do_commit
    self._connection_commit_impl()
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 2708, in _connection_commit_impl
    self.connection._commit_impl()
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 1147, in _commit_impl
    self._handle_dbapi_exception(e, None, None, None, None)
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 2355, in _handle_dbapi_exception
    raise sqlalchemy_exception.with_traceback(exc_info[2]) from e
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 1145, in _commit_impl
    self.engine.dialect.do_commit(self.connection)
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/default.py", line 714, in do_commit
    dbapi_connection.commit()
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 472, in commit
    self._read_ok_packet()
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 442, in _read_ok_packet
    pkt = self._read_packet()
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 696, in _read_packet
    packet_header = self._read_bytes(4)
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 742, in _read_bytes
    raise err.OperationalError(
sqlalchemy.exc.OperationalError: (pymysql.err.OperationalError) (2013, 'Lost connection to MySQL server during query ([Errno 104] Connection reset by peer)')
(Background on this error at: https://sqlalche.me/e/20/e3q8)
Traceback (most recent call last):
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 736, in _read_bytes
    data = self._rfile.read(num_bytes)
  File "/usr/local/lib/python3.10/socket.py", line 705, in readinto
    return self._sock.recv_into(b)
ConnectionResetError: [Errno 104] Connection reset by peer

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 1145, in _commit_impl
    self.engine.dialect.do_commit(self.connection)
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/default.py", line 714, in do_commit
    dbapi_connection.commit()
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 472, in commit
    self._read_ok_packet()
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 442, in _read_ok_packet
    pkt = self._read_packet()
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 696, in _read_packet
    packet_header = self._read_bytes(4)
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 742, in _read_bytes
    raise err.OperationalError(
pymysql.err.OperationalError: (2013, 'Lost connection to MySQL server during query ([Errno 104] Connection reset by peer)')

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/root/project/future_1d/future_meta.py", line 7, in 
    client.save_meta(check=True, check_last=10)
  File "/root/project/future_1d/future1d_request.py", line 386, in save_meta
    self._save_meta_tradingday(check=check, check_last=check_last)
  File "/root/project/future_1d/future1d_request.py", line 421, in _save_meta_tradingday
    self.save_log(date=td, status='completed', category=tablebase.__tablename__)
  File "/root/project/future_1d/future1d_request.py", line 429, in save_log
    df_log.to_sql('future_log', self.engine, index=False, if_exists='append', chunksize=1000)
  File "/usr/local/lib/python3.10/site-packages/pandas/util/_decorators.py", line 333, in wrapper
    return func(*args, **kwargs)
  File "/usr/local/lib/python3.10/site-packages/pandas/core/generic.py", line 3106, in to_sql
    return sql.to_sql(
  File "/usr/local/lib/python3.10/site-packages/pandas/io/sql.py", line 843, in to_sql
    with pandasSQL_builder(con, schema=schema, need_transaction=True) as pandas_sql:
  File "/usr/local/lib/python3.10/site-packages/pandas/io/sql.py", line 1657, in __exit__
    self.exit_stack.close()
  File "/usr/local/lib/python3.10/contextlib.py", line 584, in close
    self.__exit__(None, None, None)
  File "/usr/local/lib/python3.10/contextlib.py", line 576, in __exit__
    raise exc_details[1]
  File "/usr/local/lib/python3.10/contextlib.py", line 561, in __exit__
    if cb(*exc_details):
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/util.py", line 147, in __exit__
    with util.safe_reraise():
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/util/langhelpers.py", line 224, in __exit__
    raise exc_value.with_traceback(exc_tb)
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/util.py", line 145, in __exit__
    self.commit()
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 2632, in commit
    self._do_commit()
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 2737, in _do_commit
    self._connection_commit_impl()
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 2708, in _connection_commit_impl
    self.connection._commit_impl()
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 1147, in _commit_impl
    self._handle_dbapi_exception(e, None, None, None, None)
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 2355, in _handle_dbapi_exception
    raise sqlalchemy_exception.with_traceback(exc_info[2]) from e
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 1145, in _commit_impl
    self.engine.dialect.do_commit(self.connection)
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/default.py", line 714, in do_commit
    dbapi_connection.commit()
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 472, in commit
    self._read_ok_packet()
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 442, in _read_ok_packet
    pkt = self._read_packet()
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 696, in _read_packet
    packet_header = self._read_bytes(4)
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 742, in _read_bytes
    raise err.OperationalError(
sqlalchemy.exc.OperationalError: (pymysql.err.OperationalError) (2013, 'Lost connection to MySQL server during query ([Errno 104] Connection reset by peer)')
(Background on this error at: https://sqlalche.me/e/20/e3q8)
Traceback (most recent call last):
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 736, in _read_bytes
Traceback (most recent call last):
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 736, in _read_bytes
    data = self._rfile.read(num_bytes)
  File "/usr/local/lib/python3.10/socket.py", line 705, in readinto
    data = self._rfile.read(num_bytes)
    return self._sock.recv_into(b)
  File "/usr/local/lib/python3.10/socket.py", line 705, in readinto
ConnectionResetError: [Errno 104] Connection reset by peer

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 1145, in _commit_impl
    self.engine.dialect.do_commit(self.connection)
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/default.py", line 714, in do_commit
    return self._sock.recv_into(b)
ConnectionResetError: [Errno 104] Connection reset by peer

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 1145, in _commit_impl
    dbapi_connection.commit()
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 472, in commit
    self._read_ok_packet()
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 442, in _read_ok_packet
    pkt = self._read_packet()
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 696, in _read_packet
    self.engine.dialect.do_commit(self.connection)
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/default.py", line 714, in do_commit
    packet_header = self._read_bytes(4)
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 742, in _read_bytes
    dbapi_connection.commit()
    raise err.OperationalError(
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 472, in commit
pymysql.err.OperationalError: (2013, 'Lost connection to MySQL server during query ([Errno 104] Connection reset by peer)')

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/root/project/future_1d/future_meta.py", line 7, in 
    client.save_meta(check=True, check_last=10)
  File "/root/project/future_1d/future1d_request.py", line 386, in save_meta
    self._read_ok_packet()
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 442, in _read_ok_packet
    self._save_meta_tradingday(check=check, check_last=check_last)
  File "/root/project/future_1d/future1d_request.py", line 421, in _save_meta_tradingday
    pkt = self._read_packet()
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 696, in _read_packet
    self.save_log(date=td, status='completed', category=tablebase.__tablename__)
  File "/root/project/future_1d/future1d_request.py", line 429, in save_log
    packet_header = self._read_bytes(4)
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 742, in _read_bytes
    df_log.to_sql('future_log', self.engine, index=False, if_exists='append', chunksize=1000)
  File "/usr/local/lib/python3.10/site-packages/pandas/util/_decorators.py", line 333, in wrapper
    return func(*args, **kwargs)
  File "/usr/local/lib/python3.10/site-packages/pandas/core/generic.py", line 3106, in to_sql
    raise err.OperationalError(
pymysql.err.OperationalError: (2013, 'Lost connection to MySQL server during query ([Errno 104] Connection reset by peer)')

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/root/project/future_1d/future_meta.py", line 7, in 
    client.save_meta(check=True, check_last=10)
  File "/root/project/future_1d/future1d_request.py", line 386, in save_meta
    return sql.to_sql(
    self._save_meta_tradingday(check=check, check_last=check_last)
  File "/usr/local/lib/python3.10/site-packages/pandas/io/sql.py", line 843, in to_sql
  File "/root/project/future_1d/future1d_request.py", line 421, in _save_meta_tradingday
    with pandasSQL_builder(con, schema=schema, need_transaction=True) as pandas_sql:
  File "/usr/local/lib/python3.10/site-packages/pandas/io/sql.py", line 1657, in __exit__
    self.save_log(date=td, status='completed', category=tablebase.__tablename__)
  File "/root/project/future_1d/future1d_request.py", line 429, in save_log
    self.exit_stack.close()
  File "/usr/local/lib/python3.10/contextlib.py", line 584, in close
    df_log.to_sql('future_log', self.engine, index=False, if_exists='append', chunksize=1000)
  File "/usr/local/lib/python3.10/site-packages/pandas/util/_decorators.py", line 333, in wrapper
    self.__exit__(None, None, None)
  File "/usr/local/lib/python3.10/contextlib.py", line 576, in __exit__
    return func(*args, **kwargs)
    raise exc_details[1]
  File "/usr/local/lib/python3.10/site-packages/pandas/core/generic.py", line 3106, in to_sql
  File "/usr/local/lib/python3.10/contextlib.py", line 561, in __exit__
    if cb(*exc_details):
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/util.py", line 147, in __exit__
    with util.safe_reraise():
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/util/langhelpers.py", line 224, in __exit__
    raise exc_value.with_traceback(exc_tb)
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/util.py", line 145, in __exit__
    self.commit()
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 2632, in commit
    self._do_commit()
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 2737, in _do_commit
    return sql.to_sql(
  File "/usr/local/lib/python3.10/site-packages/pandas/io/sql.py", line 843, in to_sql
    self._connection_commit_impl()
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 2708, in _connection_commit_impl
    with pandasSQL_builder(con, schema=schema, need_transaction=True) as pandas_sql:
  File "/usr/local/lib/python3.10/site-packages/pandas/io/sql.py", line 1657, in __exit__
    self.connection._commit_impl()
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 1147, in _commit_impl
    self.exit_stack.close()
  File "/usr/local/lib/python3.10/contextlib.py", line 584, in close
    self._handle_dbapi_exception(e, None, None, None, None)
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 2355, in _handle_dbapi_exception
    self.__exit__(None, None, None)
  File "/usr/local/lib/python3.10/contextlib.py", line 576, in __exit__
    raise exc_details[1]
  File "/usr/local/lib/python3.10/contextlib.py", line 561, in __exit__
    raise sqlalchemy_exception.with_traceback(exc_info[2]) from e
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 1145, in _commit_impl
    if cb(*exc_details):
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/util.py", line 147, in __exit__
    self.engine.dialect.do_commit(self.connection)
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/default.py", line 714, in do_commit
    with util.safe_reraise():
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/util/langhelpers.py", line 224, in __exit__
    dbapi_connection.commit()
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 472, in commit
    raise exc_value.with_traceback(exc_tb)
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/util.py", line 145, in __exit__
    self._read_ok_packet()
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 442, in _read_ok_packet
    self.commit()
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 2632, in commit
    pkt = self._read_packet()
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 696, in _read_packet
    packet_header = self._read_bytes(4)
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 742, in _read_bytes
    raise err.OperationalError(
sqlalchemy.exc.OperationalError: (pymysql.err.OperationalError) (2013, 'Lost connection to MySQL server during query ([Errno 104] Connection reset by peer)')
(Background on this error at: https://sqlalche.me/e/20/e3q8)
    self._do_commit()
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 2737, in _do_commit
    self._connection_commit_impl()
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 2708, in _connection_commit_impl
    self.connection._commit_impl()
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 1147, in _commit_impl
    self._handle_dbapi_exception(e, None, None, None, None)
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 2355, in _handle_dbapi_exception
    raise sqlalchemy_exception.with_traceback(exc_info[2]) from e
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 1145, in _commit_impl
    self.engine.dialect.do_commit(self.connection)
  File "/usr/local/lib/python3.10/site-packages/sqlalchemy/engine/default.py", line 714, in do_commit
    dbapi_connection.commit()
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 472, in commit
    self._read_ok_packet()
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 442, in _read_ok_packet
    pkt = self._read_packet()
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 696, in _read_packet
    packet_header = self._read_bytes(4)
  File "/usr/local/lib/python3.10/site-packages/pymysql/connections.py", line 742, in _read_bytes
    raise err.OperationalError(
sqlalchemy.exc.OperationalError: (pymysql.err.OperationalError) (2013, 'Lost connection to MySQL server during query ([Errno 104] Connection reset by peer)')
(Background on this error at: https://sqlalche.me/e/20/e3q8)