nginx-0.7.44

[Igor Sysoev]

On Tue, Mar 24, 2009 at 05:07:23PM +0100, J?r?me Loyet wrote:

> 2009/3/23 Igor Sysoev <is at rambler-co.ru>:
> > On Mon, Mar 23, 2009 at 10:42:45PM +0800, Delta Yeh wrote:
> >
> >> How to use the cache feature?
> >> What kind of cache does it support?
> >
> > Here is configuraiton example:
> >
> > http {
> >     proxy_cache_path   /path/to/cache  levels=1:2
> >                        keys_zone=NAME:10m
> >                        inactive=5m     clean_time=2h00m;
> >
> >     server {
> >         location / {
> >             proxy_pass    http://127.0.0.1;
> >
> >             proxy_cache   NAME;
> >
> >             proxy_cache_valid   200 302  1h;
> >             proxy_cache_valid   301      1d;
> >             proxy_cache_valid   any      1m;
> >
> >             proxy_cache_min_uses  1;
> >
> >             proxy_cache_use_stale   error  timeout invalid_header http_500;
> >         }
> >     }
> >
> > The cache currently ignores backend's Cache-Control, Expires, etc.
> 
> hi Igor,
> 
> Do I understand correctly the proxy_cache_use_stale directive:
> 
> proxy_cache_use_stale   error  timeout invalid_header http_500;
> 
> If cache is still valid {
>   serve content from cache
> } else {
>   Ask fresh data to the backend
>   if connection status IS IN  (proxy_cache_use_stale parameters) {
>       serve content from cache
>   } else {
>       act as normal
>   }
> }

Yes.


-- 
Igor Sysoev
http://sysoev.ru/en/