NGINX cache. Real meaning of zone_size
Simone Fumagalli
simone.fumagalli at contactlab.com
Fri Nov 4 14:04:01 UTC 2011
Hello, I read from the list
"zone_size" is a size of keys_zone, i.e. shared memory zone used to store cache keys (some minimal metadata about cached pages, about 64 bytes on 32-bit platforms).
but what does this practically mean ?
Let say a new request arrive and the request has to be cached. What does NGINX do if the "space" in the shared memory is over ? It delete the oldest file in the cache (and the key too) ?
Is there a rule to size this parameter ?
Thanks
--
Simone
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