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Re: how much RAM for squid proxy

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On Tue, Jul 28, 2009 at 10:49 AM, Chris Robertson<crobertson@xxxxxxx> wrote:
> Angela Williams wrote:
>>
>> Hi!
>> On Tuesday 28 July 2009, qwertyjjj wrote:
>>
>>>
>>> How much RAM would be required to run Squid Proxy for a number of users?
>>> I realise there is no exact answer but a rough guide?
>>> For example, I have a linux proxy server with 100Mbit mainly
>>> retransmitting
>>> and caching running video (I assume about 512kbps).
>>> I'm guessing this could support up to 100 users or so but would 1GB RAM
>>> be
>>> enough?
>>> Server would be something like:
>>> # CPU: Athlon 3800+
>>> # CPU Details: 2 x 2.0 GHz
>>> # RAM: 1 GB RAM
>>> # Hard Disks: 2 x 160 GB (RAID 1 Software
>>>
>>
>> More ram the better! I would go for atleast 2G.
>>
>
> Seconded.
>
> The stats you gave would likely do fine for a group of 100 (I've done more
> with less), but any "extra" memory you can supply will be given to caching
> disk accesses and providing the kernel with buffer space.

Thirded - we run our (currently 3.0.15 going to 3.0.17 rsn) servers
with 4 GB RAM - the Squid process as we have it tuned and compiled
never needs the extra 2 GB, but the system performance including disk
caches is noticeably higher with 4 G than with 2.


-- 
-george william herbert
george.herbert@xxxxxxxxx

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