RE: [squid-users] Memory Considerations when you are running multiple instances of squid on the same server.

Thank you for explaining well
 
regards,

Bilal

----------------------------------------
> From: henrik_at_henriknordstrom.net
> To: gigoz_at_msn.com
> CC: squid-users_at_squid-cache.org
> Date: Fri, 21 May 2010 09:53:06 +0200
> Subject: Re: [squid-users] Memory Considerations when you are running multiple instances of squid on the same server.
>
> fre 2010-05-21 klockan 06:38 +0000 skrev GIGO .:
>
>> can it be said as a generalization that one can allocate/fix 1/4 of
>> physical ram for cache mem objects. Will it holds true even when you
>> are running multiple instances???
>
> I would not generalize a rule like that. It is a reasonable
> recommendation when sizing the system, but also depends on how your
> Squid is being used. A reverse proxy benefits much more from cache_mem
> than a normal forward proxy, and in a forward proxy you may want to give
> priority to on-disk cache instead.
>
> memory usage per Squid = cache size (in GB) * 10 MB + cache_mem + 10MB.
>
> memory usage by OS: Leave at least 25%. In smaller configurations up to
> 50%.
>
> system memory requirement = sum(squid instances) + system memory =
> sum(squid instances) / 0.75.
>
>
> If you inverse the above calculation then you'll notice that cache size
> is a function of cache_mem. If one is increased then the other need to
> be decreased.
>
> Note: if you also log in on the sever using graphical desktop (not
> recommended) then reserve about 1GB for that.
>
>> please guide that how memory handling will be occuring in multiple
>> instances setup???cache_mem will influencing per instance and not the
>> program as whole. right?
>
> Right.
>
> Regards
> Henrik
>
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Received on Fri May 21 2010 - 11:52:25 MDT