MySQL read-write separation mysql-proxy deployment

0x01 Introduction

mysql-proxy is the mysql middleware service officially provided by mysql. Several mysql-clients can be connected to the upstream, and several mysql-servers can be connected to the back-end.
It uses the mysql protocol, and any upstream using mysql-client can migrate to mysql-proxy without modifying any code.
The most basic usage of mysql-proxy is as an intermediate layer for request interception and request transfer:
mysql-proxy allows users to specify Lua scripts to intercept requests, analyze and modify requests, and it also allows users toSpecifies the result returned by the Lua script to the server.

0x02 Purpose

sql interception and modification
performance analysis and monitoring
read-write separation
request routing

0x03 Deployment Process

Binary package installation

wget https://downloads.mysql.com/archives/get/file/mysql-proxy-0.8.5-linux-el6-x86-64bit.tar.gz

tar zxf mysql-proxy-0.8.5-linux-el6-x86-64bit.tar.gz

mv mysql-proxy-0.8.5-linux-el6-x86-64bit /usr/local/mysql-proxy

cd /usr/local/mysql-proxy

mkdir log

mkdir conf

#Configuration file creation

cd conf

vim mysql-proxy.conf

[mysql-proxy]###If it is an ordinary user, this option is removeduser=rootdaemon=truekeepalive=trueplugins=proxy,admin###Log levellog-level=infolog-file=/usr/local/mysql-proxy/log/mysql-proxy.log###Local ip addressproxy-address=0.0.0.0:9196##backend master note addressesproxy-backend-addresses=192.168.1.11:3306##admin-address=104.137.27.4:9197proxy-read-only-backend-addresses=192.168.1.21:3306IP and port of #proxy management user admin###The following three parameters must be set, otherwise the mysql-proxy service cannot be startedadmin-username=mysql_proxy_useradmin-password=456123###admin's lua script address;admin-lua-script=/usr/local/mysql-proxy/lib/mysql-proxy/lua/admin.lua

0X04 start

/usr/local/mysql-proxy/bin/mysql-proxy --defaults-file=/usr/local/mysql-proxy/conf/mysql-proxy.conf