Performance question regarding regex

[panni]

Thank you again for your quick answer.

Igor Sysoev Wrote:
-------------------------------------------------------
> On Thu, Jul 29, 2010 at 07:44:54PM -0400, panni
> wrote:
> 
> > Hey, thank you for your answer.
> > 
> > try_files only seems to hit when a root
> directive is set in the config.
> > try_files only works on /home/www$uri files, not
> on /www/html$uri
> > files.
> > Is this intended? How can I make it work when a
> file called
> > /www/html/asdf.php is requested by /asdf.php?
> 
>          root /;
>          try_files  home/www$uri www/html$uri 
> @ksphp;
> 
> but probably it's better to use:
> 
>   location = /asdf.php {
>         fastcgi_pass  ...
>         fastcgi_param  SCRIPT_FILENAME 
> /www/html$uri;
>         ....
>   }

Is try_files over three possible locations that slow or why are you
suggesting the directive for the literal string?

> 
> > location / {
> >             root /home/www;
> >             try_files $uri "/www/html$uri"
> @ksphp;
> > 
> >             if ($request_filename ~*
> \.(js|css)$) {
> >                 return 404;
> >             }
> > 
> >             index index.php;
> >             expires 30d;
> >         }
> 
> Do not use "if ($request_filename":
> 
> location / {
>     root /home/www;
>     try_files $uri  @ksphp;
> 
>     index index.php;
>     expires 30d;
> }
> 
> location ~* \.(js|css)$ {
>     return 404;
> }

Thank you. But why would you do this rather than an if clause? If its
faster, or my way a no-go, do you have some sort of compendium of do's
and don'ts in NGINX? 

> 
> 
> -- 
> Igor Sysoev
> http://sysoev.ru/en/
> 
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Posted at Nginx Forum: http://forum.nginx.org/read.php?2,109438,114822#msg-114822