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.')
  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.')
  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
* P1 M- D! X# B2 h  @/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.')
  C5 h3 w! M# S6 t$ K' S( B  result = self._query(query)
0 }, K5 j" n  W9 S7 z/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.')
) I* i- O  U2 E0 |3 e. d" S  result = self._query(query)
' B+ z# A3 V# y& Z[root@controller1 ~]#  nova-manage cell_v2 list_cells
/usr/lib/python2.7/site-packages/oslo_db/sqlalchemy/enginefacade.py:332: NotSupportedWarning: Configuration option(s) ['use_tpool'] not supported
7 k! a! l0 W3 l/ ^% S  exception.NotSupportedWarning
+-------+--------------------------------------+------------------------------------+-------------------------------------------------+
|  Name |                 UUID                 |           Transport URL            |               Database Connection               |
) l4 w( U! h! K$ W) \+-------+--------------------------------------+------------------------------------+-------------------------------------------------+
| cell0 | 00000000-0000-0000-0000-000000000000 |               none:/               | mysql+pymysql://nova:****@controller/nova_cell0 |
+ k& S& l5 H# P& u. M: W- R, q. j| cell1 | 57f83da3-936c-4066-a951-f620a794250c | rabbit://openstack:****@controller |    mysql+pymysql://nova:****@controller/nova    |
+-------+--------------------------------------+------------------------------------+-------------------------------------------------+