nginx与php-fpm的负载均衡

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Nginx反向代理负载均衡架构图(三台服务器为例)

Nginx负载均衡(图示:192.168.1.1:80服务器配置)

upstream示例配置

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upstream icontact_pool {  
    server  192.168.1.1:9000    weight=5    max_fails=3 fail_timeout=20s;  
    server  192.168.1.2:9000    weight=3    max_fails=3 fail_timeout=20s;  
    server  192.168.1.3:9000    weight=2    max_fails=3 fail_timeout=20s;  
}

ngxin虚拟主机负载均衡配置

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server {  
    listen  192.168.1.1:80;  
    server_name 192.168.1.1;  
  
    access_log  /var/log/nginx/balance/loadbalance.access.log;    
    error_log   /var/log/nginx/balance/loadbalance.error.log;  
  
    #允许列目录  
    location / {  
        root    /balance/;  
        autoindex   on;  
        autoindex_exact_size    off;  
        autoindex_localtime on;  
        allow allow;  
    }  
  
    #proxy the php scripts to fpm_pool_upstream  
    location ~ \.php$ {  
        root    /balance;  
        include /etc/nginx/fastcgi_params;  
        #将webserver接收的客户端请求通过fastcgi负载均衡到php5-fpm的池  
        fastcgi_pass    icontact_pool;  
    }  
}

负载均衡服务器处理php请求

192.168.1.1:9000、192.168.1.2:9000、192.168.1.3:9000为后端的三台负载均衡服务器监听的fpm地址和端口号，负载均衡服务器通过fastcgi将http请求和上下文参数发送给这个fpm池，然后fpm负责解析php程序

https://blog.csdn.net/wzy_1988/article/details/8230562