mycat实现MySQL读写分离
# mysql -h192.168.1.103 -ujiajie1 -pjiajie1 -P9066mysql> show @@datasource;
+----------+--------+-------+--------------+------+------+--------+------+------+---------+-----------+------------+
| DATANODE | NAME | TYPE| HOST | PORT | W/R| ACTIVE | IDLE | SIZE | EXECUTE | READ_LOAD | WRITE_LOAD |
+----------+--------+-------+--------------+------+------+--------+------+------+---------+-----------+------------+
| dn1 | hostM1 | mysql | 192.168.1.21 | 3306 | W | 0 | 1 | 2000 | 51 | 0 | |
| dn1 | hostS1 | mysql | 192.168.1.23 | 3306 | R | 0 | 1 | 2000 | 79 | | 0 |
+----------+--------+-------+--------------+------+------+--------+------+------+---------+-----------+------------+
2 rows in set (0.02 sec)
mysql> show @@datasource;
+----------+--------+-------+--------------+------+ ------+--------+------+------+---------+-----------+------------+
| DATANODE | NAME | TYPE| HOST | PORT | W/R| ACTIVE | IDLE | SIZE | EXECUTE | READ_LOAD | WRITE_LOAD |
+----------+--------+-------+--------------+------+------+--------+------+------+---------+-----------+------------+
| dn1 | hostM1 | mysql | 192.168.1.21 | 3306 | W | 0 | 2 | 2000 | 151 | 0 | |
| dn1 | hostS1 | mysql | 192.168.1.23 | 3306 | R | 0 | 2 | 2000 | 255 | | 0 |
+----------+--------+-------+--------------+-----+------+--------+------+------+---------+----------- +------------+
2 rows in set (0.01 sec)
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