nginx-rrd is a perl script to generate Nginx server usage graphs, written by Daniel Dominik Rudnicki.

  Nginx-rrd contains bash script, perl script and cron task to collect data from nginx webservers and present result as PNG images (also simple index.php included).
  Based at Monitoring nginx Server Statistics With rrdtool. Project is in development, but you can change whatever you want because this scripts are really easy :)

   The last version is nginx-rrd-0.1.4, md5sum (53c02c03cfcece0127206c0ef85a80a2)

     The sources are licensed under a BSD-like license.

   Requires:

•    crondaemon
•    perl-libwww    (perl-HTML-Parser, perl-HTML-Tagset, perl-URI)
•    perl-rrdtool
•    http server with php support (dynamic index)

IMPORTANT    ngnix must be compiled with flag --with-http_stub_status_module

       You need to add or uncomment in server section in file nginx.conf

 location /nginx_status {
   stub_status   on;
   access_log   off;
   allow   YOURS.MONITORING.IP.ADDRESS;
   deny   all;
 }

sample output images

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