如何增加 nginx 连接数

Question

我面临 nginx 最大连接数问题。我无法增加 nginx 的最大活动连接数（520）。有时它会使用整个写入（516）操作连接。因此，其他请求都处于待处理状态。

有人知道如何增加 nginx 活动最大连接数吗？

使用 CentOS 版本 5.8（最终版）

NGINX 状态：

活动连接：519
服务器接受处理的请求
4693 4693 1276317
读取：2 写入：1 等待：516

NGINX 配置文件：

user nginx root;
worker_processes  16;
worker_rlimit_nofile 200000;
#worker_connections  10240;


error_log   /var/log/nginx/error.log;
#error_log  /var/log/nginx/error.log  notice;
#error_log  /var/log/nginx/error.log  info;

pid        /var/run/nginx.pid;


events {
    worker_connections  10240;
    use epoll;
}


http {
    include       /etc/nginx/mime.types;
    default_type  application/octet-stream;
      index index.php index.htm index.html;
    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;
    access_log off;

    sendfile        on;
    tcp_nopush      on;
    tcp_nodelay     on;
    server_tokens   off;
    gzip            on;
    gzip_static     on;
    gzip_comp_level 5;
    gzip_min_length 10240;
    keepalive_timeout  30;
    keepalive_requests 100000;
    limit_conn_zone   $binary_remote_addr  zone=addr:10m;

    # Load config files from the /etc/nginx/conf.d directory
    include /etc/nginx/conf.d/*.conf;

    server {
        limit_conn addr 20000;
        listen       7007;
        server_name  _;

        #charset koi8-r;

        #access_log  logs/host.access.log  main;
            root   /usr/share/nginx/html;
        location / {
#            root   /usr/share/nginx/html;
#            index  index.html index.htm;
        }

        error_page  404              /404.html;

        location = /404.html {
#            root   /usr/share/nginx/html;
        }
      location /favicon.ico {
          empty_gif;
      }
        # redirect server error pages to the static page /50x.html
        #
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
#            root   /usr/share/nginx/html;
        }

        # proxy the PHP scripts to Apache listening on 127.0.0.1:80
        #
        #location ~ \.php$ {
        #    proxy_pass   http://127.0.0.1;
        #}

        # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
        #
        location ~ \.php$ {
#            root           /usr/share/nginx/html;
            #fastcgi_pass   localhost:9000;
            fastcgi_pass   unix:/tmp/php.sock;
            fastcgi_index  index.php;
            #fastcgi_param  SCRIPT_FILENAME  /scripts$fastcgi_script_name;
            #include        fastcgi_params;
          fastcgi_send_timeout  8m;
          fastcgi_read_timeout 8m;
          fastcgi_connect_timeout 8m;
          #uwsgi_pass_request_body off;
          include /etc/nginx/fastcgi.conf;
        }

      location /status {
            stub_status on;
              access_log   off;
         }
   }
}

我也设置了这些信息以增加最大连接数

cat  /proc/sys/net/ipv4/ip_local_port_range
9000    65535

cat /proc/sys/net/ipv4/netfilter/ip_conntrack_tcp_timeout_time_wait 
1

但这些设置不起作用。

如果您需要任何其他信息，请通知我。

谢谢