[SQU] loadbalancing and intel instead of alpha?

At the moment I'm testing a new squidserver.
I need to replace our old HP-UX G50.
Squid 2.2STABLE5 seems to run great on a Personal Workstation 500 alpha
machine with RedHat 6.2 and 256 MB ram.

At the moment I have 10 users on it and when downloading big files (>
15MB) is at least twice as fast as the HP-box if not more.
I havent done any extensive testing but the alpha also seems a lot
faster when doing normal browsing. It makes sense given the age and the
SCSI-bus in the G50 :)

But I'm concerned what will will happen when I throw all 500 users at the
new machine. Will it be able to handle the load? Would it make sense to
have two squids that users connect through? I have one more pw500 lying
around :)
Will round-robin DNS work for this purpose? IE:

proxy1 IN A 1.2.3.4
proxy2 IN A 1.2.3.5

proxy IN CNAME proxy1
proxy IN CNAME proxy2

Another issue:
The latest ReiserFS-patches doesn't work on alphas, so I have to go with
ext2 :(
These alphas are quite fast, especially on i/o operations.
But would I increase performace, if go for a brand new Intel pIII and
ReiserFS instead?

Any ideas and thoughts appreciated.

/kristian

-- 
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  Kristian Vilmann                      kwv@kampsax.dk
   Linux - Because a PC is a terrible thing to waste
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