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.')
; ^4 y* V9 Y) K1 v) J" [4 n7 f  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
/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.')
* J" H, J( `  ~/ d/ f0 b9 t' e! ]  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 {! v' M" M3 c) a  result = self._query(query)
[root@controller1 ~]#  nova-manage cell_v2 list_cells
! i# R* k) P( o3 K/usr/lib/python2.7/site-packages/oslo_db/sqlalchemy/enginefacade.py:332: NotSupportedWarning: Configuration option(s) ['use_tpool'] not supported
* L) I. t* U0 L! }: L! B& p  exception.NotSupportedWarning
+-------+--------------------------------------+------------------------------------+-------------------------------------------------+
|  Name |                 UUID                 |           Transport URL            |               Database Connection               |
+-------+--------------------------------------+------------------------------------+-------------------------------------------------+
6 K8 k: D; \) J0 H$ c' d| cell0 | 00000000-0000-0000-0000-000000000000 |               none:/               | mysql+pymysql://nova:****@controller/nova_cell0 |
+ k" l# l/ F- Y5 {' m$ ]+ H| cell1 | 57f83da3-936c-4066-a951-f620a794250c | rabbit://openstack:****@controller |    mysql+pymysql://nova:****@controller/nova    |
+-------+--------------------------------------+------------------------------------+-------------------------------------------------+