cell_V2数据库同步nova['use_tpool'] not supported

admin

su -s /bin/sh -c "nova-manage cell_v2 map_cell0" nova
5 C( u0 U# `1 t3 J) {/usr/lib/python2.7/site-packages/oslo_db/sqlalchemy/enginefacade.py:332: NotSupportedWarning: Configuration option(s) ['use_tpool'] not supported
2 ?, ]! n5 x5 u) a; c  exception.NotSupportedWarning

admin

[root@controller1 ~]# su -s /bin/sh -c "nova-manage db sync" nova
) j, }4 i% T! D; M/ u3 ]9 i; a7 d/usr/lib/python2.7/site-packages/oslo_db/sqlalchemy/enginefacade.py:332: NotSupportedWarning: Configuration option(s) ['use_tpool'] not supported
/ ]: Q& m' X! T  exception.NotSupportedWarning
/ T" l6 J8 f3 E5 v$ F5 l/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)
[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
2 v" q$ I7 a' T# r  exception.NotSupportedWarning
/ E( I* w! Q2 |. Y5 x# F1 J' G+-------+--------------------------------------+------------------------------------+-------------------------------------------------+
: u0 z! v+ K0 Y$ |& A: C( L2 t0 F|  Name |                 UUID                 |           Transport URL            |               Database Connection               |
+-------+--------------------------------------+------------------------------------+-------------------------------------------------+
| cell0 | 00000000-0000-0000-0000-000000000000 |               none:/               | mysql+pymysql://nova:****@controller/nova_cell0 |
| cell1 | 57f83da3-936c-4066-a951-f620a794250c | rabbit://openstack:****@controller |    mysql+pymysql://nova:****@controller/nova    |
+-------+--------------------------------------+------------------------------------+-------------------------------------------------+