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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
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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
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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
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/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
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mysql> grant all on *.* to
'proxy'
@
'192.168.0.204'
identified by
'123.com'
;
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mysql -u proxy -h 192.168.0.204 -P 4000 -p123.com
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mysql> create table user (number INT(10),name VARCHAR(255));
mysql> insert into
test
values(01,
'zhangsan'
);
mysql> insert into user values(02,
'lisi'
);
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mysql> use
test
;
Database changed
mysql>
select
* from user;
+--------+----------+
| number | name |
+--------+----------+
| 1 | zhangsan |
| 2 | lisi |
+--------+----------+
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mysql -u proxy -h 192.168.0.204 -P 4000 -p123.com
mysql> use
test
;
mysql>
select
* from user;
+--------+----------+
| number | name |
+--------+----------+
| 1 | zhangsan |
| 2 | lisi |
+--------+----------+
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slave stop；
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mysql> use
test
;
Database changed
mysql> show tables;
+----------------+
| Tables_in_test |
+----------------+
| user |
+----------------+
mysql>
select
* from user;
ERROR 1146 (42S02): Table
'test.user'
doesn't exist
|
