在同步nova数据时，报这个warning，不知道会不会影响

admin

/usr/lib/python2.7/site-packages/pymysql/cursors.py:166: Warning: (1831, u'Duplicate index `block_device_mapping_instance_uuid_virtual_name_device_name_idx`. This is deprecated and will be disallowed in a future release.')
+ D) O- X; L! B9 W  result = self._query(query)
/usr/lib/python2.7/site-packages/pymysql/cursors.py:166: Warning: (1831, u'Duplicate index `uniq_instances0uuid`. This is deprecated and will be disallowed in a future release.')
' D9 z7 m! b8 B  result = self._query(query)

admin

[root@controller1 ~]# su -s /bin/sh -c "nova-manage db sync" nova
/usr/lib/python2.7/site-packages/oslo_db/sqlalchemy/enginefacade.py:332: NotSupportedWarning: Configuration option(s) ['use_tpool'] not supported
  exception.NotSupportedWarning
$ G+ I! N5 F; b. g/usr/lib/python2.7/site-packages/pymysql/cursors.py:166: Warning: (1831, u'Duplicate index `block_device_mapping_instance_uuid_virtual_name_device_name_idx`. This is deprecated and will be disallowed in a future release.')
  result = self._query(query)
/usr/lib/python2.7/site-packages/pymysql/cursors.py:166: Warning: (1831, u'Duplicate index `uniq_instances0uuid`. This is deprecated and will be disallowed in a future release.')
6 b4 L2 w$ P0 r- Z  result = self._query(query)
[root@controller1 ~]#  nova-manage cell_v2 list_cells
- A, D6 W) T7 ], v; D4 I* z& ^9 y9 l/usr/lib/python2.7/site-packages/oslo_db/sqlalchemy/enginefacade.py:332: NotSupportedWarning: Configuration option(s) ['use_tpool'] not supported
  exception.NotSupportedWarning
+-------+--------------------------------------+------------------------------------+-------------------------------------------------+
|  Name |                 UUID                 |           Transport URL            |               Database Connection               |
+-------+--------------------------------------+------------------------------------+-------------------------------------------------+
| cell0 | 00000000-0000-0000-0000-000000000000 |               none:/               | mysql+pymysql://nova:****@controller/nova_cell0 |
- Z4 S8 }8 t5 ]1 Q+ L/ ?: ^| cell1 | 57f83da3-936c-4066-a951-f620a794250c | rabbit://openstack:****@controller |    mysql+pymysql://nova:****@controller/nova    |
+-------+--------------------------------------+------------------------------------+-------------------------------------------------+