语法说明设置跟踪,需要先设置UDAL SET TRACE = 1;示例mysql> UDAL SET TRACE = 1; Query OK, 0 rows affected (0.01 sec) mysql> UDAL SET TRACE MAXSIZE = 2024; Query OK, 0 rows affected (0.01 sec)UDAL SET CLUSTER STATUS 'status'语法说明设置群集状态开/关示例mysql> UDAL SET CLUSTER STATUS