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在原版jupyter notebook里运行双均线策略回测成功,做参数优化时出错停止:

2021-11-24 18:07:09.622986 开始执行穷举算法优化
2021-11-24 18:07:09.623958 参数优化空间:7182

/home/yinxiuqu/anaconda3/envs/vnpy2.7/lib/python3.7/site-packages/vnpy/trader/setting.py:32: PytzUsageWarning: The zone attribute is specific to pytz's interface; please migrate to a new time zone provider. For more details on how to do so, see https://pytz-deprecation-shim.readthedocs.io/en/latest/migration.html
"database.timezone": get_localzone().zone,
/home/yinxiuqu/anaconda3/envs/vnpy2.7/lib/python3.7/site-packages/arctic/store/_pandas_ndarray_store.py:8: FutureWarning: The Panel class is removed from pandas. Accessing it from the top-level namespace will also be removed in the next version
from pandas import Panel
Library created, but couldn't enable sharding: no such command: 'enablesharding', full error: {'ok': 0.0, 'errmsg': "no such command: 'enablesharding'", 'code': 59, 'codeName': 'CommandNotFound'}. This is OK if you're not 'admin'
Library created, but couldn't enable sharding: no such command: 'enablesharding', full error: {'ok': 0.0, 'errmsg': "no such command: 'enablesharding'", 'code': 59, 'codeName': 'CommandNotFound'}. This is OK if you're not 'admin'
Collection data_overview already exists
/home/yinxiuqu/anaconda3/envs/vnpy2.7/lib/python3.7/site-packages/vnpy/trader/setting.py:32: PytzUsageWarning: The zone attribute is specific to pytz's interface; please migrate to a new time zone provider. For more details on how to do so, see https://pytz-deprecation-shim.readthedocs.io/en/latest/migration.html
"database.timezone": get_localzone().zone,
/home/yinxiuqu/anaconda3/envs/vnpy2.7/lib/python3.7/site-packages/arctic/store/_pandas_ndarray_store.py:8: FutureWarning: The Panel class is removed from pandas. Accessing it from the top-level namespace will also be removed in the next version
from pandas import Panel
Library created, but couldn't enable sharding: no such command: 'enablesharding', full error: {'ok': 0.0, 'errmsg': "no such command: 'enablesharding'", 'code': 59, 'codeName': 'CommandNotFound'}. This is OK if you're not 'admin'
Library created, but couldn't enable sharding: no such command: 'enablesharding', full error: {'ok': 0.0, 'errmsg': "no such command: 'enablesharding'", 'code': 59, 'codeName': 'CommandNotFound'}. This is OK if you're not 'admin'
Collection data_overview already exists
/home/yinxiuqu/anaconda3/envs/vnpy2.7/lib/python3.7/site-packages/vnpy/trader/setting.py:32: PytzUsageWarning: The zone attribute is specific to pytz's interface; please migrate to a new time zone provider. For more details on how to do so, see https://pytz-deprecation-shim.readthedocs.io/en/latest/migration.html
"database.timezone": get_localzone().zone,
/home/yinxiuqu/anaconda3/envs/vnpy2.7/lib/python3.7/site-packages/arctic/store/_pandas_ndarray_store.py:8: FutureWarning: The Panel class is removed from pandas. Accessing it from the top-level namespace will also be removed in the next version
from pandas import Panel
Library created, but couldn't enable sharding: no such command: 'enablesharding', full error: {'ok': 0.0, 'errmsg': "no such command: 'enablesharding'", 'code': 59, 'codeName': 'CommandNotFound'}. This is OK if you're not 'admin'
Library created, but couldn't enable sharding: no such command: 'enablesharding', full error: {'ok': 0.0, 'errmsg': "no such command: 'enablesharding'", 'code': 59, 'codeName': 'CommandNotFound'}. This is OK if you're not 'admin'
Collection data_overview already exists
/home/yinxiuqu/anaconda3/envs/vnpy2.7/lib/python3.7/site-packages/vnpy/trader/setting.py:32: PytzUsageWarning: The zone attribute is specific to pytz's interface; please migrate to a new time zone provider. For more details on how to do so, see https://pytz-deprecation-shim.readthedocs.io/en/latest/migration.html
"database.timezone": get_localzone().zone,
/home/yinxiuqu/anaconda3/envs/vnpy2.7/lib/python3.7/site-packages/arctic/store/_pandas_ndarray_store.py:8: FutureWarning: The Panel class is removed from pandas. Accessing it from the top-level namespace will also be removed in the next version
from pandas import Panel
Library created, but couldn't enable sharding: no such command: 'enablesharding', full error: {'ok': 0.0, 'errmsg': "no such command: 'enablesharding'", 'code': 59, 'codeName': 'CommandNotFound'}. This is OK if you're not 'admin'
Library created, but couldn't enable sharding: no such command: 'enablesharding', full error: {'ok': 0.0, 'errmsg': "no such command: 'enablesharding'", 'code': 59, 'codeName': 'CommandNotFound'}. This is OK if you're not 'admin'
Collection data_overview already exists

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这个是由于你的MongoDB版本不对造成的问题,但应该不影响运行,以上更多是提示信息,不是报错

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