On Fri, 21 Feb 2003, fooler wrote:

> ----- Original Message -----
> From: <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Friday, February 21, 2003 5:46 AM
> Subject: Re: [plug] (no subject)
>
>
> > sir:
> >
> > would it make sense to create a big /var/squid/cache? or should i
> > make my /var/squid/logs bigger? im not sure how i could optimize
> > my proxy server. i alloted 27GB for /var/squid/logs and 4GB
> > for /var/squid/logs.
>
> starting squid version 2.4.x, the ratio is that, for every 1 GB allocated
> disk cache requires 32 mb of ram... meaning if you allocated 27 gb for your
> disk cache, you need 27*32 or 864 physical ram for squid *only*... you need
> more ram for squid's cache_mem (memory caching), disk buffering, network
> buffers for every tcp connection and other daemons running in it..
>
> squid is a single thread and single process therefore it cant take advantage
> on smp environment, its main bottleneck is on the disk i/o...  squid
> performs  very well if you spread your  cache on multiple disks or on a
> single cache under raid 0 environment...
>

Using diskd and asyncio squid can take advantage of SMP.  I've run squid
on a dual P3 with squid on aio, on reiserfs, mounted with notail/noatime
and it flies!



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