cache static content in memory

[nfn]

Thank you Igor. I already know that.

I was think about something like this just to proxy_cache & fastcgi_cache:

location / {
  proxy_cache zone;
  ...
  proxy_match ^~ /products/;
  proxy_match ^~ /catalog/;
  ...
}

Posted at Nginx Forum: http://forum.nginx.org/read.php?2,2465,2505#msg-2505