基本信息
0什麼是HAProxy
HAProxy提供高可用性、負載均衡以及基於TCP和HTTP應用的代 理,支持虛擬主機,它是免費、快速並且可靠的一種解決方案。HAProxy特別適用於那些負載特大的web站點,這些站點通常又需要會話保持或七層處理。HAProxy運行在當前的硬件上,完全可以支持數以萬計的併發連接。並且它的運行模式使得它可以很簡單安全的整合進您當前的架構中,
同時可以保護你的web服務器不被暴露到網絡上。
1安裝HAProxy
tar zxvf haproxy-1.4.8.tar.gz
cd haproxy-1.4.8
uname -a //查看linux內核版本
make TARGET=linux26 PREFIX=/usr/local/haproxy
make install PREFIX=/usr/local/haproxy
2配置HAProxy
vi /usr/local/haproxy/haproxy.cfg
global
maxconn 5120
chroot /usr/local/haproxy
uid 99
gid 99
daemon
quiet
nbproc 2
pidfile /usr/local/haproxy/haproxy.pid
defaults
log global
mode http
option httplog
option dontlognull
log 127.0.0.1local3
retries 3
option redispatch
maxconn 2000
contimeout 5000
clitimeout 50000
srvtimeout 50000
listen webinfo :1080
mode http
balance roundrobin
option httpclose
option forwardfor
server phpinfo1 192.168.18.2:10000 check weight 1 minconn 1 maxconn 3 check inter 40000
server phpinfo2 127.0.0.1:80 check weight 1 minconn 1 maxconn 3 check inter 40000
listen webmb :1081
mode http
balance roundrobin
option httpclose
option forwardfor
server webmb1 192.168.1.91:10000 weight 1 minconn 1 maxconn 3 check inter 40000
server webmb2 127.0.0.1:10000 weight 1 minconn 1 maxconn 3 check inter 40000
listen stats :8888
mode http
transparent
stats uri / haproxy-stats
stats realm Haproxy \ statistic
stats auth zhangy:xtajmd
3啓動HAProxy
#啓動haproxy
/usr/local/haproxy/haproxy -f /usr/local/haproxy/haproxy.cfg
#查看是否啓動
[zhangy@BlackGhost haproxy]$ ps -e|grep haproxy
4859 ? 00:00:00 haproxy
4860 ? 00:00:00 haproxy
[root@BlackGhost haproxy]# /usr/local/bin/webbench -c 100 -t 30 http://localhost:1080/phpinfo.php
HAProxy監聽的端口是1080,代理192.168.18.2:10000,127.0.0.1:10000
統計監聽的是8888端口 http://localhost:8888/haproxy-stats
轉載地址:http://blog.csdn.net/qiume/article/details/7274603