MySQL 8.0.23中复制架构从节点自动故障转移

中障转复制+----------------------------+-------------+--------------+-------------+---------------------+  | now(6)                     | member_host | member_state | member_role | VIEW_ID             |  +----------------------------+-------------+--------------+-------------+---------------------+  | 2021-01-22 13:41:27.902251 | mysql-01    | ONLINE       | SECONDARY  | 16112906030396799:9 |  | 2021-01-22 13:41:27.902251 | mysql-02    | ONLINE       | PRIMARY     | 16112906030396799:9 |  | 2021-01-22 13:41:27.902251 | mysql-03    | ONLINE       | SECONDARY   | 16112906030396799:9 |  +----------------------------+-------------+--------------+-------------+---------------------+  1.2.3.4.5.6.7.