安装haproxy
yum install -y haproxy
chkconfig haproxy on
vim /etc/sysconfig/rsyslog
SYSLOGD_OPTIONS="-c 2 -r"
vim /etc/rsyslog.conf
local2.* /var/log/haproxy.log
service rsyslog restart
service rsyslog start
vim /etc/haproxy/haproxy.cfg
global
log 127.0.0.1 local2
chroot /var/lib/haproxy
pidfile /var/run/haproxy.pid
maxconn 4000
user haproxy
group haproxy
daemon
defaults
mode http
log global
option httplog
option dontlognull
option http-server-close
option forwardfor except 127.0.0.0/8
option redispatch
retries 3
timeout http-request 10s
timeout queue 1m
timeout connect 10s
timeout client 1m
timeout server 1m
timeout http-keep-alive 10s
timeout check 10s
maxconn 3000
listen stats
mode http
bind 0.0.0.0:1080
stats enable
stats hide-version
stats uri /haproxyadmin?stats
stats realm Haproxy\ Statistics
stats auth admin:admin
stats admin if TRUE
frontend http-in
bind *:80
mode http
log global
option httpclose
option logasap
option dontlognull
capture request header Host len 20
capture request header Referer len 60
default_backend servers
frontend healthcheck
bind :1099
mode http
option httpclose
option forwardfor
default_backend servers
backend servers
balance roundrobin
server websrv1 192.168.100.161:80 check maxconn 2000
server websrv2 192.168.100.162:80 check maxconn 2000
注意：访问haproxy的状态地址为http://ip/1080/haproxyadmin?stats