nginx+tomcat搭建负载均衡-Linux-运维笔记-技术文档

安装tomcat和nginx的方法就不说了

这里主要介绍一下负载均衡的配置文件

我把整个nginx的配置文件都给粘贴下来，需要修改的地方我给加个注释

[root@fuzaijunheng ~]# cat /etc/nginx/nginx.conf
# For more information on configuration, see:
#   * Official English Documentation: http://nginx.org/en/docs/
#   * Official Russian Documentation: http://nginx.org/ru/docs/

user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log;
pid /run/nginx.pid;

# Load dynamic modules. See /usr/share/doc/nginx/README.dynamic.
include /usr/share/nginx/modules/*.conf;

events {
    worker_connections 1024;
}

http {
    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 /var/log/nginx/access.log main;

    sendfile            on;
    tcp_nopush          on;
    tcp_nodelay         on;
    keepalive_timeout   65;
    types_hash_max_size 2048;
    gzip on;

    include             /etc/nginx/mime.types;
    default_type        application/octet-stream;

    # Load modular configuration files from the /etc/nginx/conf.d directory.
    # See http://nginx.org/en/docs/ngx_core_module.html#include
    # for more information.
    include /etc/nginx/conf.d/*.conf;

   upstream 192.168.70.132 {                        #开启upstream，后面跟的可以是IP也可以是域名；默认的模式是轮询；
   server 192.168.70.130:8080 weight=1;      #添加服务器，可以是IP，如果端口不是80；要设置成你的web服务器端口；这里我的模式设置的是权重

    server 192.168.70.131:8080 weight=2;      #第二个服务器，权重我设置的是2；就代表我通过192.168.70.132这个IP访问这两个server，每三次就有两次访问server2
   }
    server {
        listen       80 default_server;
        listen       [::]:80 default_server;
        server_name _;
        root         /usr/share/nginx/html;

        # Load configuration files for the default server block.
        include /etc/nginx/default.d/*.conf;

        location / {                                              #这个模块本来就有，我们只要在里面添加参数就行
   root html;

    proxy_pass http://192.168.70.132;
   index index.html index.php index.php;

   proxy_connect_timeout 3;        #nginx跟后端服务器连接超时时间(代理连接超时)

proxy_send_timeout 30; #后端服务器数据回传时间(代理发送超时)

proxy_read_timeout 30; #连接成功后，后端服务器响应时间(代理接收超时)

        }

        error_page 404 /404.html;
            location = /40x.html {
        }

        error_page 500 502 503 504 /50x.html;
            location = /50x.html {
        }
    }

# Settings for a TLS enabled server.
#
#    server {
#        listen       443 ssl http2 default_server;
#        listen       [::]:443 ssl http2 default_server;
#        server_name _;
#        root         /usr/share/nginx/html;
#
#        ssl_certificate "/etc/pki/nginx/server.crt";
#        ssl_certificate_key "/etc/pki/nginx/private/server.key";
#        ssl_session_cache shared:SSL:1m;
#        ssl_session_timeout 10m;
#        ssl_ciphers PROFILE=SYSTEM;
#        ssl_prefer_server_ciphers on;
#
#        # Load configuration files for the default server block.
#        include /etc/nginx/default.d/*.conf;
#
#        location / {
#        }
#
#        error_page 404 /404.html;
#            location = /40x.html {
#        }
#
#        error_page 500 502 503 504 /50x.html;
#            location = /50x.html {
#        }
#    }

}