> What currently can be used for such a use case is "inactive=" 
> parameter of the proxy_cache_path directive (see 
> http://nginx.org/r/proxy_cache_path).  It ensures that items not 
> recently requested are removed from the cache, including ones 
> created with proxy_cache_min_uses.  Have you tried tuning it?

Hi Maxim

Thank you for your response.
Yes, that is what I do - try to keep balance between inactive time (which I
obviously want to keep as high as possible) and the keys zone size. But this
is constant/never-ending effort if the traffic pattern is changing (and it
unfortunately is for me...). It would be great if nginx used keys size as an
additional trigger to forced_expire resources - to auto-adjust the removal
aggression when the traffic profile changes.

Regards,
Kuba

Posted at Nginx Forum: 
http://forum.nginx.org/read.php?2,237829,248946#msg-248946

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