第八步，查看现象

[root@serv01 ~]# /etc/init.d/mysql-proxy start
Starting mysql-proxy: 
[root@serv01 ~]# mysql -ularry -plarry -h 192.168.1.11

[connect_server] 192.168.1.11:51054
  [1].connected_clients = 0
  [1].pool.cur_idle     = 0
  [1].pool.max_idle     = 1
  [1].pool.min_idle     = 1
  [1].type = 1
  [1].state = 0
  [1] idle-conns below min-idle
Welcome to the MySQL monitor.  Commands end with ; or \g.
[read_query] 192.168.1.11:51054
  current backend   = 0
  client default db = 
  client username   = larry
  query             = select @@version_comment limit 1
  sending to backend : 192.168.1.19:3306
    is_slave         : false
    server default db: 
    server username  : larry
    in_trans        : false
    in_calc_found   : false
    COM_QUERY       : true
Your MySQL connection id is 10
Server version: 5.5.29-log Source distribution

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Oracle is a registered trademark of Oracle Corporation and/or its
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owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> 

mysql> use larrydb;
[read_query] 192.168.1.11:51054
  current backend   = 0
  client default db = 
  client username   = larry
  query             = SELECT DATABASE()
  sending to backend : 192.168.1.19:3306
    is_slave         : false
    server default db: 
    server username  : larry
    in_trans        : false
    in_calc_found   : false
    COM_QUERY       : true
[read_query] 192.168.1.11:51054
  current backend   = 0
  client default db = 
  client username   = larry
  sending to backend : 192.168.1.19:3306
    is_slave         : false
    server default db: 
    server username  : larry
    in_trans        : false
    in_calc_found   : false
    COM_QUERY       : false
Database changed
mysql> select * from user;
[read_query] 192.168.1.11:51054
  current backend   = 0
  client default db = larrydb
  client username   = larry
  query             = select * from user
  sending to backend : 192.168.1.19:3306
    is_slave         : false
    server default db: larrydb
    server username  : larry
    in_trans        : false
    in_calc_found   : false
    COM_QUERY       : true
+------+----------+
| id   | name     |
+------+----------+
|    1 | larrywen |
|    2 | wentasy  |
+------+----------+
2 rows in set (0.00 sec)

mysql> insert into user values(3,'jsutdb');
[read_query] 192.168.1.11:51644
  current backend   = 0
  client default db = larrydb
  client username   = larry
  query             = insert into user values(3,'jsutdb')
  sending to backend : 192.168.1.19:3306
    is_slave         : false
    server default db: larrydb
    server username  : larry
    in_trans        : false
    in_calc_found   : false
    COM_QUERY       : true
Query OK, 1 row affected (0.00 sec)


serv08
mysql> select * from user;
+------+----------+
| id   | name     |
+------+----------+
|    1 | larrywen |
|    2 | wentasy  |
+------+----------+
2 rows in set (0.00 sec)

serv09
mysql> select * from larrydb.user;
+------+----------+
| id   | name     |
+------+----------+
|    1 | larrywen |
|    2 | wentasy  |
|    3 | jsutdb   |
+------+----------+
3 rows in set (0.00 sec)