mysql proxy安装
ubuntu采用下载binary包方式
sudo tar -zvxf <proxy> -C /opt
sudo mv <proxy> mysql-proxy
export MYSQL_PROXY_BIN
LUA_PATH=/opt/mysql-proxy/share/doc/mysql-proxy/*.lua
tar
zxvf
mysql
-
proxy
-
0.8.3
-
linux
-
glibc2
.
3
-
x86
-
64bit.tar.gz
mv
mysql
-
proxy
-
0.8.3
-
linux
-
glibc2
.
3
-
x86
-
64bit
/
usr
/
local
/
mysql
-
proxy
cd
/
usr
/
local
/
mysql
-
proxy
mkdir
lua
#创建脚本存放目录
mkdir
logs
#创建日志目录
cp
share
/
doc
/
mysql
-
proxy
/
rw
-
splitting
.lua
.
/
lua
#复制读写分离配置文件
cp
share
/
doc
/
mysql
-
proxy
/
admin
-
sql
.lua
.
/
lua
#复制管理脚本
vi
/
etc
/
mysql
-
proxy
.cnf
#创建配置文件
[
mysql
-
proxy
]
user
=
root
#运行mysql-proxy用户
admin
-
username
=
proxy
#主从mysql共有的用户
admin
-
password
=
123.com
#用户的密码
proxy
-
address
=
192.168.0.204
:
4000
#mysql-proxy运行ip和端口,不加端口,默认4040
proxy
-
read
-
only
-
backend
-
addresses
=
192.168.0.203
#指定后端从slave读取数据
proxy
-
backend
-
addresses
=
192.168.0.202
#指定后端主master写入数据
proxy
-
lua
-
script
=
/
usr
/
local
/
mysql
-
proxy
/
lua
/
rw
-
splitting
.lua
#指定读写分离配置文件位置
admin
-
lua
-
script
=
/
usr
/
local
/
mysql
-
proxy
/
lua
/
admin
-
sql
.lua
#指定管理脚本
log
-
file
=
/
usr
/
local
/
mysql
-
proxy
/
logs
/
mysql
-
proxy
.log
#日志位置
log
-
level
=
info
#定义log日志级别,由高到低分别有(error|warning|info|message|debug)
daemon
=
true
#以守护进程方式运行
keepalive
=
true
#mysql-proxy崩溃时,尝试重启
保存退出!
chmod
660
/
etc
/
mysql
-
porxy
.cnf
vi /usr/local/mysql-proxy/lua/rw-splitting.lua
if
not
proxy
.global
.config
.rwsplit
then
proxy
.global
.config
.rwsplit
=
{
min_idle
_connections
=
1
,
#默认超过4个连接数时,才开始读写分离,改为1
max_idle
_connections
=
1
,
#默认8,改为1
is
_debug
=
false
}
end
/
usr
/
local
/
mysql
-
proxy
/
bin
/
mysql
-
proxy
--
defaults
-
file
=
/
etc
/
mysql
-
proxy
.cnf
netstat
-
tupln
|
grep
4000
#已经启动
tcp
0
0
192.168.0.204
:
4000
0.0.0.0
:
*
LISTEN
1264
/
mysql
-
proxy
关闭
mysql
-
proxy使用:
killall
-
9
mysql
-
proxy
--------------
create user msproxy;
grant all on *.* to 'msproxy'@'192.168.0.%' identified by '123456';
mysql -u proxy -h 192.168.0.204 -P 4000 -p123.com
mysql-proxy --defaults-file=/opt/mysql-proxy/mysql-proxy.cnf
sudo /opt/mysql-proxy/bin/mysql-proxy stop --defaults-file=/opt/mysql-proxy/mysql-proxy.cnf