安装haproxy实现高负载均衡

根据架构选择适当的编译参数

$ mkdir /usr/local/haproxy

#如果是32位：
$ make TARGET=linux26 CPU=i686 USE_STATIC_PCRE=1 PREFIX=/usr/local/haproxy

#如果是64位：
$ make PREFIX=/usr/local/haproxy TARGET=linux26 ARCH=x86_64 USE_STATIC_PCRE=1
$ make install PREFIX=/usr/local/haproxy

创建用户haproxy

$ groupadd -g 501 haproxy
$ useradd -u 501 -g 501 haproxy
$ id haproxy
uid=98(haproxy) gid=98(haproxy) groups=98(haproxy)

常见配置目录

$ mkdir -p /usr/local/haproxy/conf/
$ mkdir -p /usr/local/haproxy/logs
$ mkdir -p /usr/local/haproxy/run

编辑配置文件

$ vi /usr/local/haproxy/conf/haproxy.cfg
global
log         127.0.0.1 local2
chroot      /usr/local/haproxy
pidfile     /usr/local/haproxy/run/haproxy.pid
maxconn     4000
user        haproxy
group       haproxy
daemon
stats socket /usr/local/haproxy/stats
defaults
mode                    http
log                     global
option                  httplog
option                  dontlognull
option http-server-close
option forwardfor       except 127.0.0.0/8
option                  redispatch
option                  abortonclose
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          *:8080
stats         enable
stats         hide-version
stats uri     /haproxyadmin?stats
stats realm   Haproxy\ Statistics
stats auth    admin:admin
stats admin if TRUE
frontend webservers
bind         *:80
mode         http
log          global
option       httpclose
option       logasap
option       dontlognull
#################HAProxy的日志记录内容设置###################
capture request  header Host len 20
capture request  header X-Forwarded-For len 15
capture request  header Referer len 60
################url_static配合if使用实现动静分#########################
acl url_static       path_beg       -i /static /images /javascript /stylesheets
acl url_static       path_end       -i .html .jpg .jpeg .gif .png .css .js
use_backend static_servs          if url_static
default_backend dynamic_servs

backend static_servs
balance roundrobin
server static1 192.168.121.213:80 check maxconn 6000
server static2 192.168.121.214:80 check maxconn 6000
backend dynamic_servs
balance source
hash-type consistent
server dynamic1 192.168.121.213:80 check maxconn 1000
server dynamic2 192.168.121.214:80 check maxconn 1000

配置启动文件

$ cp /usr/local/haproxy/sbin/haproxy /etc/init.d/haproxy
$ chmod 755 /etc/init.d/haproxy  
$ /etc/init.d/haproxy -f /usr/local/haproxy/conf/haproxy.cfg

分类：负载均衡

标签：haproxy高可用

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