apache负载均衡配置

1.安装 apache2

apt-get install apache2

2.加载代理模块：

a2enmod 
proxy 
proxy_ajp 
proxy_balancer 
proxy_connect 
proxy_ftp 
proxy_http

lbmethod_byrequests headers proxy_wstunnel

3.配置 000-default.conf

在<VirtualHost *:80>中添加一下代码

Header 
add 
Set-Cookie 
"ROUTEID=.%{BALANCER_WORKER_ROUTE}e; 
path=/" 
env=BALANCER_ROUTE_CHANGED

ServerName localhost

ProxyRequests Off

ProxyVia On

<Proxy balancer://proxy>

Order Deny,Allow

Allow from all

#负载均衡服务器配置

BalancerMember http://192.168.72.136:8000 loadfactor=1 route=server1

#热备份服务器

BalancerMember http://192.168.72.133:8000 status=+H

BalancerMember http://192.168.72.135:8000 loadfactor=1 route=server3

</Proxy>

Proxypass /api balancer://proxy stickysession=ROUTEID

ProxyPassReverse /api balancer://proxy

<Proxy balancer://proxy1>

Order Deny,Allow

Allow from all

BalancerMember ws://192.168.72.136:8000 loadfactor=1 route=server1

BalancerMember ws://192.168.72.133:8000 status=+H

BalancerMember ws://192.168.72.135:8000 loadfactor=1 route=server3

</Proxy>

Proxypass /ws balancer://proxy1 stickysession=ROUTEID

ProxyPassReverse /ws balancer://proxy1

4.重新启动 apache

service apache2 stop

service apache2 start

或者 service apache2 restart