mysql读写分离

MySQL proxy(lua)
连接路由,query分析,查找过滤和修改,负载均衡,HA

amoeba(java)
查询路由,查询分析,查询过滤,读写分析,负载均衡,HA

cobar(java)

MySQL proxy:172.16.100.201

首先要安装lua包

useradd -r mysql-porxy
tar -zxvf mysql-proxy -C /usr/local
cd mysql-proxy

vim /etc/profile.d/mysql-proxy.sh
export PATH=$PATH:/usr/local/mysql-proxy/bin

source /etc/profile.d/mysql-proxy.sh

mysql-proxy --daemon --log-level=debug --log-file=/var/log/mysql-proxy.log --plugins="proxy" --proxy-backend-address="172.16.100.106:3306" --proxy-read-only-backend-addresses="172.16.100.107:3306"

另一种方式:
mysql-proxy --daemon --log-level=debug --log-file=/var/log/mysql-proxy.log --plugins="proxy" --proxy-backend-address="172.16.100.106:3306" --proxy-read-only-backend-addresses="172.16.100.107:3306" --proxy-lua-script="/usr/local/mysql-proxy/share/doc/mysql-proxy/rw-splitting.lua"

在172.16.100.106上(master)
mysql>grant all on . to [email protected].%.% identifild by redhat;
mysql>show global viriables like "%name%";
mysql>set @@global.skip_name_resolve=on;

mysql -uroot -h -predhat -h172.16.100.201 --port=4040

mysql>create database hellodb;

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