haproxy动静分离
一 Haproxy简介Haproxy提供高可用性，负载均衡以及基于TCP和HTTP应用代理，支持虚拟机，它是免费的，快速并且可靠的一种解决方案。Haproxy特别适用负载大的web站点，这些站点通常有需要会话保持或七层处理。Haproxy运行在当前的硬件上，完全可以支持数以万计的并发连接。并且它的运行模式使得它可以很简单安全的整合进你当前的架构中，同时保护你的WEB服务器不被暴露到网上。
实验
iP 规划
Haproxy 172.16.31.30
静态服务器172.16.31.31
动态服务器172.16.31.32
1 安装Haproxy并且启动配置文件选项
# yum installhaproxy -y
#vi /etc/rsyslog.conf
启用一下两行$ModLoad imudp$UDPServerRun 514添加以下一行local2.* /var/log/haproxy.log
2 配置动静分离
#———————————————————————# Example configuration for a possible web application.See the# full configuration options online.## http://haproxy.1wt.eu/download/1.4/doc/configuration.txt##———————————————————————#———————————————————————# Global settings#———————————————————————global # to have these messages end up in /var/log/haproxy.log you will # need to: # # 1) configure syslog to accept network log events.This is done # by adding the '-r' option to the SYSLOGD_OPTIONS in # /etc/sysconfig/syslog # # 2) configure local2 events to go to the /var/log/haproxy.log # file. A line like the following can be added to # /etc/sysconfig/syslog # # local2.* /var/log/haproxy.log # log 127.0.0.1 local2 chroot /var/lib/haproxy pidfile /var/run/haproxy.pid maxconn 4000 user haproxy group haproxy daemon # turn on stats unix socket stats socket /var/lib/haproxy/stats#———————————————————————# common defaults that all the 'listen' and 'backend' sections will# use if not designated in their block#———————————————————————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#———————————————————————# main frontend which proxys to the backends#———————————————————————frontendmain *:80 acl url_static path_beg -i /static /images /javascript /stylesheets acl url_static path_end -i .jpg .gif .png .css .js .html acl host_statichdr_beg(host)-i img. video. download. ftp. imgs. use_backend static if url_static default_backend app#———————————————————————# static backend for serving up images, stylesheets and such#———————————————————————backend static balance roundrobin server static 172.16.31.31:80 check maxconn 2000#———————————————————————# round robin balancing between the various backends#———————————————————————backend app balance roundrobin serverapp1 172.16.31.32:80 check maxconn 2003准备静态和动态页面
在31主机上准备静态页面
# vi /var/www/html/index.html
hello在32主机上准备动态页面
# vi index.php
页:
[1]