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To: Dan3 who wrote (160647)2/28/2002 11:41:06 AM
From: wanna_bmw  Respond to of 186894
 
Dan, Re: "Or, if you really believe that to be true, then there is absolutely no reason whatsoever, of any kind, to ever purchase a web server with more than a Celeron or Duron 900, a bunch of spindles, and a really fast trio of load balanced NICs, is there?"

I think you are twisting his words. He did not say that the test was completely I/O based; rather, he said that as the number of users grow, the I/O becomes more of a bottleneck. That's why this particular test runs with a many different configurations of users.

Also, Tench had another point, which you have tended to gloss over. He was saying that your observation about Hyperthreading getting less of an improvement in that test as the number of users increase is not a function of the Hyperthreading algorithm, but rather something that can happen to any and all CPUs running that test - including the Athlon.

wbmw



To: Dan3 who wrote (160647)2/28/2002 11:41:57 AM
From: Tenchusatsu  Respond to of 186894
 
Dan, <Or, if you really believe that to be true, then there is absolutely no reason whatsoever, of any kind, to ever purchase a web server with more than a Celeron or Duron 900, a bunch of spindles, and a really fast trio of load balanced NICs, is there?>

The problem is that the Celeron will limit performance for ANY load, not just heavy or light. And then you'll still see a steady degradation of performance as you go up in users.

The solution is to either add another 2-way server, or make the jump to 4-way or 8-way (where it can handle more users before degradation). Depending on your server needs, there are advantages and drawbacks to each solution.

Tenchusatsu