RE: [squid-users] Cache_dir size considerations

The total amount of Ram on the server is 4 GB with cache_mem parameter set to 1 GB.

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> Date: Wed, 17 Mar 2010 08:18:03 +0100
> From: mromani_at_ottotecnica.com
> CC: squid-users_at_squid-cache.org
> Subject: Re: [squid-users] Cache_dir size considerations
>
> GIGO . ha scritto:
>> Dear All,
>>
>> Relevant info:
>>
>> On IBM Server 3650 x series with physical RAID 1 .
>> Disk space comprises of 70 Gb
>> Intended is caching of windows update.
>> intended is caching of youtube contents.
>> Single is dedicated to running squid on Ubuntu 8.04
>>
>> Current Settings : cache_dir aufs /usr/local/squid/var/cache 50000 16 256
>> However i beleived that it should be changed to something like this: cache_dir aufs /usr/local/squid/var/cache 50gb 48 768
>>
>> or
>>
>> cache_dir aufs /usr/local/squid/var/cache 20000 32 512..... etc etc.
>>
>> so that not more file lies in L2.
>>
>> The confusion is that isnt it correct to allocating this large 50gb hard-disk space to caching? Does such large cache will result in some issues? Does this large size has to do with some latency issue etc?
>>
>>
>> I am looking forward for your guidance.
>>
>> regards_at_all
>>
>
> 50gb cache is handled by squid just fine.
> I'm not an expert, but I'm using 16 256 for a 40gb cache and I don't see
> any issues. IME before changing values without a deep understanding of
> the technicalities involved, it's safer to stick with the defaults.
>
> Also, you don't specify the amount of RAM of the server nor the value of
> cache_mem parameter.
>
>>
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>
> --
> Marcello Romani
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Received on Wed Mar 17 2010 - 07:30:34 MDT