配置nginx负载均衡

版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/shiheyingzhe/article/details/86549075

#user  nobody;
worker_processes  1; #设置为cpu core的个数 
#error_log  logs/error.log;
#error_log  logs/error.log  notice;
#error_log  logs/error.log  info;

#pid        logs/nginx.pid;


events {
    worker_connections  1024; #最大连接数
    #use epoll;
}


http {
    include       mime.types;
    default_type  application/octet-stream;

    #log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
    #                  '$status $body_bytes_sent "$http_referer" '
    #                  '"$http_user_agent" "$http_x_forwarded_for"';

    #access_log  logs/access.log  main;

    sendfile        on;
    #tcp_nopush     on;

    #keepalive_timeout  0;
    keepalive_timeout  60s;
    #tcp_nopush on;
    #tcp_nodelay on;
    client_max_body_size 500m;
    client_body_timeout 120s;
    proxy_buffer_size 256k;
    proxy_buffers 32 32k;
    proxy_busy_buffers_size 256k;

    #gzip  on;
    upstream favresin{
        #在max_fails次转发给对应服务器失败以后，等待fail_timeout秒的时间再次发送
        server 172.16.0.16:5000 max_fails=5 fail_timeout=30;
        server 172.16.0.19:5001 max_fails=5 fail_timeout=30;
        keepalive 256;  #保持http连接的数量，不在会话结束后立即结束连接
        #fair;
    }

    server {
        listen       80;
        server_name  172.16.0.255; #从外部接受请求并转发给其他服务器的ip地址
        client_max_body_size 500m; 
        client_body_timeout 120s; 
        keepalive_timeout  60s; 
        #tcp_nopush on;
        #sendfile on;
        #itcp_nodelay on;

        #charset koi8-r;

        #access_log  logs/host.access.log  main;

        location / {
            client_body_timeout 120s;
            client_max_body_size 500m;
            proxy_http_version 1.1; #http版本和keepalive对应
            proxy_set_header Connection "";
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header Host $http_host;
            proxy_pass http://favresin; #接受请求的机器地址
            root   html;
            keepalive_timeout  60s;
            #tcp_nopush on;
            #sendfile on;
            #tcp_nodelay on;
            proxy_read_timeout 190s;
            proxy_send_timeout 120s;
            #index  index.html index.htm;
            #client_body_buffer_size 256k;
           # proxy_connect_timeout 1s;
            proxy_buffer_size 256k;
            proxy_buffers 32 32k;
            proxy_busy_buffers_size 256k;
            #proxy_temp_file_write_size 256k;
            #proxy_next_upstream error timeout invalid_header http_500 http_503 http_404;
            #proxy_max_temp_file_size 128m;
        }
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }
    }
}

参考的内容：https://www.cnblogs.com/piscesLoveCc/p/5867900.html
                     http://www.cnblogs.com/wang-meng/p/5861174.html
                     https://blog.csdn.net/qq_33135813/article/details/82827720
                     https://www.cnblogs.com/wzjhoutai/p/6932007.html