haproxy给mysql做负载均衡
jopen
9年前
一、首先安装haproxy
wget http://haproxy.1wt.eu/download/1.4/src/haproxy-1.4.24.tar.gz
tar zcvf haproxy-1.4.24.tar.gz
cd haproxy-1.4.24
make TARGET=linux26 PREFIX=/usr/local/haproxy #将haproxy安装到/usr/local/haproxy
make install PREFIX=/usr/local/haproxy
#PREFIX必须用大写,否则无法安装到指定目录/usr/local/haproxy中
二、配置
在/usr/local/haproxy/etc/下新建haproxy.cfg配置文件。内容为:
global
log 127.0.0.1 local0 info #日志相关
log 127.0.0.1 local1 notice
maxconn 4096
chroot /usr/local/haproxy
uid root
gid root
daemon
#debug
#quiet
pidfile /usr/local/haproxy/haproxy.pid
defaults
log global
mode http
#option httplog
option dontlognull
retries 3
option redispatch
maxconn 2000
contimeout 5000
clitimeout 50000
srvtimeout 50000
listen mysql
bind 0.0.0.0:23306 #代理端口
mode tcp #模式 TCP
option mysql-check user root #mysql健康检查 root为mysql登录用户名
balance roundrobin #调度算法
server mysql1 192.168.153.128:3306 weight 1 check inter 1s rise 2 fall 2 #健康检查加上check
server mysql2 192.168.153.134:3306 weight 1 check inter 1s rise 2 fall 2
listen stats #监控
mode http
bind 0.0.0.0:8888
stats enable
stats uri /dbs
stats realm Global\ statistics
stats auth admin:admin
</div> #option mysql-check user root #mysql健康检查 root为mysql登录用户名 注释掉
两个用户都要开启mysql服务
三、启动
[root@web2 etc]# /usr/local/haproxy/sbin/haproxy -f /usr/local/haproxy/etc/haproxy.cfg 四、访问
ip:8888/dbs
输入admin admin登录