Thank you Amos.
maximum_object_size_in_memory must be the special setting that I had missed. Memory hits now up to 60%
Cache information for squid:
Request Hit Ratios: 5min: 84.4%, 60min: 78.6%
Byte Hit Ratios: 5min: 80.6%, 60min: 67.9%
Request Memory Hit Ratios: 5min: 63.1%, 60min: 66.1%
Request Disk Hit Ratios: 5min: 8.7%, 60min: 10.2%
Storage Swap size: 13823916 KB
Storage Mem size: 488276 KB
Mean Object Size: 61.36 KB
Requests given to unlinkd: 0
And yes I'm very keen to get to squid 3.. hopefully soon!
thanks!
On Thu, Nov 13, 2014 at 12:33 PM, Amos Jeffries <squid3@xxxxxxxxxxxxx> wrote:
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On 13/11/2014 2:07 p.m., andrew williams wrote:
> Hi, I'm getting what I think is too low of MEM_HIT ratio.. I would
> like squid to use all of the cache_mem, thus increasing MEM_HIT?
You are running a 32-bit build of a Squid version deprecated more than
6 years ago.
Please upgrade to a current release. Today that would be 3.4.9
(stable) or 3.5.0.2 (beta).
<snip>
>
> Why is squid not using all 4096 MB allocated? it's only using
> 590MB according to mgr:info. Is there something extra I need to do?
> To me the HIT rate is reasonable... they hit's are just not coming
> from memory
Your average object size is almost 64KB yet squid-2.6 only stores up
to 8 KB objects in memory by default.
<http://www.squid-cache.org/Versions/v2/2.6/cfgman/maximum_object_size_in_memory.html>
One of the many benefits of upgrading is that the defaults are
occasionally updated to reflect modern web reality. Todays Squid store
objects up to 512KB by default in a default 256MB cache_mem.
PS. Todays Squid also properly store and manage objects with
Cache-Control:no-cache.
Amos
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