Nginx 配置 webSocket 支持

1      # websocket
 2      map $http_upgrade $connection_upgrade {
 3             default upgrade;
 4             ''      close;
 5         }
 6 
 7      # 负载均衡配置
 8      upstream websocket {
 9                     server 127.0.0.1:8090;
10                     server 127.0.0.1:8091;
11                     server 127.0.0.1:8092;
12             }
13 
14 server {
15             listen       80;
16             location / {
17                 client_max_body_size 100m;
18                 root   html;
19                 index  index.html index.htm;
20                 proxy_pass http://tomcat_server;
21                 proxy_set_header Host $http_host;
22                 proxy_connect_timeout 18000;
23                 proxy_send_timeout 18000;
24                 proxy_read_timeout 18000;
25                 proxy_ignore_client_abort on;
26                 proxy_set_header X-Real-IP $remote_addr;
27                 proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
28                 proxy_set_header X-Forwarded-Host $server_name;
29                 # websocket 支持
30                 proxy_http_version 1.1;
31                 proxy_set_header Upgrade $http_upgrade;
32                 proxy_set_header Connection $connection_upgrade;
33             }
34 }

 客户端建立连接数量配置

1 events {
 2     worker_connections 40960;
 3     multi_accept on;
 4     use epoll;
 5 }
 6 
 7     sendfile            on;
 8     tcp_nopush          on;
 9     tcp_nodelay         on;
10     keepalive_timeout   65;
11     types_hash_max_size 2048;
12 
13     client_header_timeout 120s;        #调大点
14     client_body_timeout 120s;          #调大点
15     client_max_body_size 100m;         #主要是这个参数，限制了上传文件大大小
16     client_body_buffer_size 256k;