[GRLUG] large systems performance

Tim Schmidt timschmidt at gmail.com
Fri Nov 16 00:57:29 EST 2007


On Nov 16, 2007 12:45 AM, Bob Kline <bob.kline at gmail.com> wrote:
> If running Linux,  which  version?

I've just tossed Ubuntu 7.10 server on it.

> Does the performance seem to result
> more from all the processors or all the
> memory, or is it hard to tell?

Depends entirely on what sort of load you put on it...  of course, all
that ram doesn't hurt.

>  I'd think swapping could be pretty fast in an
> out of memory, but the instant it involves
> a hard drive it's over.

?  Swapping always involves block storage of some type.  How much it
hurts again, depends on memory access patterns of your load, as well
as what percentage of the working set is swapped, and so on.

--tim


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