Nginx caching... but shouldn't be.

[Maxim Dounin]

Hello!

On Mon, Jul 23, 2012 at 12:44:36PM -0400, dgarstang wrote:

> We have nginx running, and for reasons I don't understand, it seems to
> be caching content to /var/lib/nginx/proxy. I can't even find this
> setting in the configuration anywhere, i.e. the following returns
> nothing:
> 
> root at lb01:/etc/nginx# find /etc/nginx | xargs grep "/var/lib/nginx"
> 
> We have the following set:
>     proxy_no_cache 1;
>     proxy_cache_bypass 1;
> 
> I have pasted our config to http://pastebin.com/w7E0trG6. If anyone has
> any ideas why nginx is caching, it would be appreciated.

I would rather suggest it's proxy temporary files, not cache.  If 
you don't want nginx to buffer responses to disk, use 
proxy_max_temp_file_size directive.  See here for details:

http://nginx.org/r/proxy_temp_path
http://nginx.org/r/proxy_max_temp_file_size

Maxim Dounin