小编给大家分享一下MySQL中如何搭建oneproxy，相信大部分人都还不怎么了解，因此分享这篇文章给大家参考一下，希望大家阅读完这篇文章后大有收获，下面让我们一起去了解一下吧！

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1 下载
官网：http://www.onexsoft.cn/software/step_into_oneproxy.pdf

2 安装
机器有限，oneproxy就安装在192.168.1.6上
192.168.1.6--主---oneproxy
192.168.1.56---从

3 简单读写分离

1. 插入数据：[chenliang@hostnfsd oneproxy]$ mysql -utestuser -ptestuser -h292.168.1.6 --port=3308 -e "insert into  test2(id) values(4)" testbak; 
   Warning: Using a password on the command line interface can be insecure.
   [chenliang@hostnfsd oneproxy]$ mysql -utestuser -ptestuser -h292.168.1.6 --port=3308 -e "select * from test2" testbak;             
   Warning: Using a password on the command line interface can be insecure.
   +------+------+
   | id   | name |
   +------+------+
   |    1 | NULL |
   |    2 | NULL |
   |    3 | 4    |
   +------+------+
   

2. 成功插入主库

读负载均衡测试：

1. [chenliang@hostnfsd oneproxy]$ mysql -utestuser -ptestuser -h292.168.1.6 --port=3308 -e "select * from test2" group1;
   Warning: Using a password on the command line interface can be insecure.
   +------+------+
   | id   | name |
   +------+------+
   |    1 | NULL |
   |    2 | NULL |
   |    3 | 4    |
   +------+------+
   [chenliang@hostnfsd oneproxy]$ mysql -utestuser -ptestuser -h292.168.1.6 --port=3308 -e "select * from test2" group1;
   Warning: Using a password on the command line interface can be insecure.
   +------+
   | id   |
   +------+
   |    1 |
   |    2 |
   +------+
   [chenliang@hostnfsd oneproxy]$ mysql -utestuser -ptestuser -h292.168.1.6 --port=3308 -e "select * from test2" group1;
   Warning: Using a password on the command line interface can be insecure.
   +------+------+
   | id   | name |
   +------+------+
   |    1 | NULL |
   |    2 | NULL |
   |    3 | 4    |
   +------+------+
   [chenliang@hostnfsd oneproxy]$ mysql -utestuser -ptestuser -h292.168.1.6 --port=3308 -e "select * from test2" group1;
   Warning: Using a password on the command line interface can be insecure.
   +------+
   | id   |
   +------+
   |    1 |
   |    2 |
   +------+

3. 读负载均衡，均衡分发至每个库

多用户：

1. [root@hostnfsd :/usr/local/oneproxy]$ vi demo.sh 
   #/bin/bash
   #
   export ONEPROXY_HOME=/usr/local/oneproxy
   
   
   # valgrind --leak-check=full \
   
   
   ${ONEPROXY_HOME}/bin/oneproxy --keepalive \
   --proxy-address=192.168.1.6:3308 \
   --admin-address=192.168.1.6:4041  \
   --proxy-master-addresses=192.168.1.6:3307@group1 \
   --proxy-slave-addresses=192.168.1.56:3307@group1  \
   --proxy-user-list=testuser/950434F7872CB57A600E1B2B7237766FA7E95460@testbak \
   --proxy-user-list=jonn/950434F7872CB57A600E1B2B7237766FA7E95460@testbak2 \   ---就这不同，用户指定默认数据库不一样罢了
   --proxy-group-policy=group1:Read-balance \
   --proxy-charset=utf8_chinese_ci \
   --log-file=${ONEPROXY_HOME}/oneproxy.log \
   --pid-file=${ONEPROXY_HOME}/oneproxy.pid

测试：
[root@hostnfsd :/root]$ mysql -ujonn -ptestuser -h292.168.1.6 --port=3308 -e "select * from test2" group1                         ---读写分离
Warning: Using a password on the command line interface can be insecure.
+------+
| id   |
+------+
|  106 |
+------+
[root@hostnfsd :/root]$ mysql -ujonn -ptestuser -h292.168.1.6 --port=3308 -e "select * from test2" group1
Warning: Using a password on the command line interface can be insecure.
+------+
| id   |
+------+
|   56 |
+------+
[root@hostnfsd :/root]$ mysql -ujonn -ptestuser -h292.168.1.6 --port=3308 -e "select * from test2" group1
Warning: Using a password on the command line interface can be insecure.
+------+
| id   |
+------+
|  106 |
+------+


[root@hostnfsd :/root]$ mysql -ujonn -ptestuser -h292.168.1.6 --port=3308 -e "insert into  test2 values(111)" group1              ---插入主库
Warning: Using a password on the command line interface can be insecure.
[root@hostnfsd :/root]$ mysql -ujonn -ptestuser -h292.168.1.6 --port=3308 -e "select * from test2" group1           
Warning: Using a password on the command line interface can be insecure.
+------+
| id   |
+------+
|   56 |
+------+
[root@hostnfsd :/root]$ mysql -ujonn -ptestuser -h292.168.1.6 --port=3308 -e "select * from test2" group1
Warning: Using a password on the command line interface can be insecure.
+------+
| id   |
+------+
|  106 |
|  111 |
+------+
[root@hostnfsd :/root]$ mysql -ujonn -ptestuser -h292.168.1.6 --port=3308 -e "select * from test2" group1
Warning: Using a password on the command line interface can be insecure.
+------+
| id   |
+------+
|   56 |
+------+
[root@hostnfsd :/root]$ mysql -ujonn -ptestuser -h292.168.1.6 --port=3308 -e "select * from test2" group1
Warning: Using a password on the command line interface can be insecure.
+------+
| id   |
+------+
|  106 |
|  111 |

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