Nginx TCP Delays

[Brian Henson]

What are the specs of this machine?  What is your load during this time?

 

From: owner-nginx at sysoev.ru [mailto:owner-nginx at sysoev.ru] On Behalf Of
Khalid Shaikh
Sent: Sunday, September 20, 2009 11:47 PM
To: nginx at sysoev.ru
Subject: Nginx TCP Delays

 

We are using Nginx on this web server.  Look at the # of reading & writing
requests.  a curl http://localhost/test.html can take up to 45 seconds.

 

Can anyone help?

 

Using telnet I can see that basically the Nginx server is taking time to get
to the TCP connection that I initiated.

 

This happens only during peak times of the web site.

 

Active connections: 8467

server accepts handled requests

 380771 380771 835836

Reading: 75 Writing: 1497 Waiting: 6895

 <http://67.159.60.59/status> http://67.159.60.59/status      45.03 seconds

 

I've attached the nginx.conf

 

user www-data www-data;

worker_processes 32;

 

error_log  /var/www/log/nginx_error.log;

pid        /var/run/nginx.pid;

 

events {

  worker_connections  10024;

}

 

http {

  include       /etc/nginx/mime.types;

  default_type  application/octet-stream;

 

  sendfile         on;

  tcp_nopush       on;

  tcp_nodelay      on;

 

  server {

    listen       80;

    server_name  xs.to;

    root   /var/www/xs;

    error_page  404 index.php;

    error_page   500 502 503 504  index.php;

    access_log off;

 

    location / {

      root   /var/www/xs;

      index  index.php default.php;

      rewrite  ^/albums/(.*)$  /albums/showalbum.php?$1?  last;

      rewrite  ^/community/(.*)$  /community.php?$1?  last;

      error_page  404 index.php;

      error_page   500 502 503 504  index.php;

    }

 

    location /status {

      stub_status on;

      access_log off;

    }

 

    location ~ .php$ {

      fastcgi_pass 127.0.0.1:8888;

      fastcgi_index index.php;

      fastcgi_intercept_errors on;

      error_page  404 index.php;

      error_page   500 502 503 504  index.php;

      fastcgi_param  SCRIPT_FILENAME    /var/www/xs/$fastcgi_script_name;

      include /etc/nginx/fastcgi_params;

    }

 

    location ~* ^.+.(jpg|jpeg|gif|tiff|png|bmp|ico|fav|html)$ {

      access_log        off;

      expires           30d;

    }

  }

 

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