At 11:46 AM 11/7/01 +0500, Ahsan Ali wrote:
>Hello guys,
>
>I'm building a Squid proxy to handle approximately 8Mbit/sec of bandwidth.
>I've decided to use the following:
>
>3 x 36GB SCSI hard drives
>1 x 18GB (OS + logging etc - logging only when needed)
>2 GB RAM [may use 3]
>GBIT Ethernet (may end up using Fast Ethernet only)
I am not running a that big a site but I have noticed that HD performance
is the bottleneck in Squid. My Sparc Ultra1-140MHz can easily cope but my 4
4GB 10krpm SCSI disks introduce some delays once in a while. Dual CPU seems
unnecessary for Squid alone. It might help a bit to keep some other
processes from interfering with Squid's CPU time.
I tend to suggest that 6 UW SCSI disks of 18GB is a better choice and I
would not worry to much about the CPU. Tests showed that my 140MHz Ultra1
can sustain about 50-60Mbps (ATM OC3) if the disk seeks are kept to a
fairly low level. (Keep in mind though that a RISC with RISC-optimized OS
does not compare directly with a CISC + CISC-optimized OS.)
Marc
---------------------------------------------------------
Marc van Selm
NATO C3 Agency, CIS/CaN
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Received on Thu Nov 08 2001 - 01:33:44 MST
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