王怡伟77

负载配置实例

[root@lb01 conf]# cat nginx.conf
worker_processes 1;
events {

worker_connections  1024;

}
http {

include       mime.types;
default_type  application/octet-stream;
sendfile        on;
keepalive_timeout  65;
upstream backend {
server 172.16.1.7:80  weight=1;
server 172.16.1.8:80  weight=1;

}

server {
    listen       80;
    server_name  blog.etiantian.org;
    location / {
        index  index.html index.htm;
        proxy_pass http://backend;
        include proxy.conf;
    }
}

}

[root@lb01 conf]# cat proxy.conf

    proxy_set_header Host  $host;
    proxy_set_header X-Forwarded-For $remote_addr;
    proxy_connect_timeout 60; 
    proxy_send_timeout 60; 
    proxy_read_timeout 60; 
    proxy_buffer_size 4k; 
    proxy_buffers 4 32k;
    proxy_busy_buffers_size 64k; 
    proxy_temp_file_write_size 64k;
    

动静分离配置

worker_processes  1;
    events {
        worker_connections  1024;
    }
    http {
        include       mime.types;
        default_type  application/octet-stream;
        sendfile        on;
        keepalive_timeout  65;
            upstream static_pools {
                   server 10.0.0.9:80  weight=1;
            }
            upstream upload_pools {
                   server 10.0.0.10:80  weight=1;
            }
            upstream default_pools {
                   server 10.0.0.11:80  weight=1;
            }

        server {
           listen       80;
           server_name  www.etiantian.org;
            location / { 
                    proxy_pass http://default_pools;
                    include proxy.conf;
            }
            location /static/ { 
                    proxy_pass http://static_pools;
                    include proxy.conf;
            }
            location /upload/ { 
                    proxy_pass http://upload_pools;
                    include proxy.conf;
            }
        }
    }
    基于URI的调度 LVS是不支持的
    

配置信息参考

[root@lb01 conf]# cat nginx.conf
    worker_processes  1;
    events {
        worker_connections  1024;
    }
    http {
        include       mime.types;
        default_type  application/octet-stream;
        sendfile        on;
        keepalive_timeout  65;
    upstream upload_pools {
             server 10.0.0.8:80  weight=1;
        }
    upstream default_pools {
             server 10.0.0.8:8080  weight=1;
       }
    upstream static_pools {
             server 10.0.0.7:80  weight=1;
    }
        server {
            listen       80;
            server_name  www.etiantian.org;
    location / { 
            proxy_pass http://default_pools;
            include proxy.conf;
    }
    location /static/ { 
            proxy_pass http://static_pools;
            include proxy.conf;
    }
    location /upload/ { 
            proxy_pass http://upload_pools;
            include proxy.conf;
    }
        }
    }

方案2：以if语句实现

    if ($request_uri   ~*   "^/static/(.*)$")
    {
            proxy_pass http://static_pools/$1;
    }
    if ($request_uri   ~*   "^/upload/(.*)$")
    {
            proxy_pass http://upload_pools/$1;
    }
    location / { 
        proxy_pass http://default_pools;
        include proxy.conf;
    }

基于user-agent配置文件

    
worker_processes  1;
    events {
        worker_connections  1024;
    }
    http {
        include       mime.types;
        default_type  application/octet-stream;
        sendfile        on;
        keepalive_timeout  65;
    #upload server
    upstream android_pools {
             server 10.0.0.8:80  weight=1;
        }
    upstream pc_pools {
             server 10.0.0.8:8080  weight=1;
       }
    #static
    upstream iphone_pools {
             server 10.0.0.7:80  weight=1;
    }
        server {
            listen       80;
            server_name  www.etiantian.org;
            location / {
            if ($http_user_agent ~* "android")
              {
                proxy_pass http://android_pools;
              }
            if ($http_user_agent ~* "iphone")
              {
                proxy_pass http://iphone_pools;
                }
            proxy_pass http://pc_pools;
            include proxy.conf;
           }
        }
    }

实践配置

[root@lb01 conf]# cat nginx.conf
    worker_processes  1;
    events {
        worker_connections  1024;
    }
    http {
        include       mime.types;
        default_type  application/octet-stream;
        sendfile        on;
        keepalive_timeout  65;
            upstream static_pools {
                   server 10.0.0.9:80  weight=1;
            }
            upstream upload_pools {
                   server 10.0.0.10:80  weight=1;
            }
            upstream default_pools {
                   server 10.0.0.11:80  weight=1;
            }

        server {
           listen       80;
           server_name  www.etiantian.org;
           location / {
             if ($http_user_agent ~* "MSIE")
              {
                proxy_pass http://static_pools;
              }
              if ($http_user_agent ~* "Chrome")
    #if ($http_user_agent ~* "Firefox")
              {
                proxy_pass http://upload_pools;
              }
            proxy_pass http://default_pools;
            include proxy.conf;
           }
            access_log off;
         }
    }

    

http故障服务器自动请求下一台。

proxy_next_upstream error timeout invalid_header http_500 http_502 http_503 http_504;