Hi guys,

I have a minor question, so I have an nginx box using proxy_cache, it has a key 
zone of 40 gigabyte (so it can cache 320 million files), a max_size of 1500 
gigabyte for the cache and the inactive set to 30 days.


However we experience that nginx goes well above the defined limit - in our 
case the max size is 1500 gigabyte, but the cache directory takes goes well 
above 1700 gigabyte.

There's a total of 42.000.000 files currently on the system, meaning the 
average filesize is about 43 kilobyte.


Normally I know that nginx can go slightly above the limit, until the cache 
manager purges the files, but it stays at about 1700 gigabyte constantly unless 
we manually clear out the size.


I see there's a change in 1.13.1 that ignores long locked cache entries, is it 
possible that this bugfix actually fixes above issue?

Upgrading is rather time consuming and we have to ensure nginx versions across 
the platform, so I wonder if anyone has some pointers if the above bugfix would 
maybe solve our issue. (currently the custom nginx version is based on nginx 
1.10.3).


Best Regards,
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