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Subject: Linux SMP

Author: Russell Reagan

Date: 17:38:23 08/31/03


In a unix system administration class today, the professor said that the SMP
support in Linux isn't very good. He said it's okay if you're doing 2x or maybe
4x, but he said that anything higher than that and you should use something like
Solaris, and gave the impression that Solaris was a very solid choice for an SMP
machine.

I was suprised that he said this, because (IIRC) Dr. Hyatt uses Redhat Linux,
and he doesn't seem to think very highly of Sun, and he obviously knows a
"little" about all things SMP ;-)

I have a few questions in regards to how different operating systems compare in
terms of SMP support.

Which operating systems are preferred?

Which operating systems should be avoided?

How is Windows?

How is FreeBSD? I heard Gian-Carlo saying something about FreeBSD not having
good multithreaded support.

If Linux has sub-par SMP support, will this be improved in kernel 2.6?



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