fastcgi cache path keys zone=name:size

Maxim Dounin mdounin at mdounin.ru
Tue May 13 11:50:55 UTC 2014


Hello!

On Tue, May 13, 2014 at 04:48:56AM -0400, beatnut wrote:

> I found similar information about :
> 
> limit_req_zone $binary_remote_addr   zone=one:1m  "One megabyte zone can
> keep about 16 thousand 64-byte states. "
> 
> or 
> 
> ssl_session_cache  shared:SSL:1m; " The cache size is specified in bytes;
> one megabyte can store about 4000 sessions."
> 
> but there is no info about   fastcgi_cache_path keys_zone shared memory.
> 
> I was searching any tip in the source code of fastcgi module with no
> success.
> 
> I'm trying to adjust my setup. There will be about 30k of cached files. How
> big should be size of shared memory ?

Each cache node currently takes about 128 bytes of memory.
So for 30k cached files you'll need about 4 megabytes.

-- 
Maxim Dounin
http://nginx.org/



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