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Subject: Re: OT: Operating systems and chips

Author: José Carlos

Date: 13:49:45 08/20/01

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On August 20, 2001 at 15:06:07, Scott Gasch wrote:

>On August 20, 2001 at 10:58:22, José Carlos wrote:
>
>>  Sorry for the off-topic, but I think this is interesting for people here, in
>>order to make decisions.
>>  I've recently bought a Athlon 1.3 (1Gb RAM). I want to create a huge book for
>>my program. I wanted to install Win2000 Server with SQL Server 2000, but some
>>friends have told me Win2000-Athlon don't work properly. It's a lot of money, so
>>I want to be sure. They say that if you run intensive cpu tasks, the system
>>don't respond for a long time.
>
>A few comments...
>
>First, why win2k server?  win2k pro is a lot less money and almost exactly the
>same.  Does SQL server not run on pro or something?

  We have 2k servers in my job, with 2k pro as clients. We're running SQL server
on a couple of servers and, as far as know (I might very well be wrong), it
needs 2k server (or NT Server) to run. But I'm not sure. I simply assumed it.

>Isn't there a version of
>MySQL that runs on windows?  You know how much money you are talking about for
>server and msql?!?

  Yeah, I know :( The only reason why I thought about it first is that I work
with it everyday, so I know how it works and feel comfortable with its
developement environment. But I must admit my view is too shallow, as I work in
a small company, and haven't even seen anything else.

>Next, I can say with some authority that NT works fine on Athlons.  We are
>running winxp on about 20 Athlons in the lab here (in my group at MS).  I think
>your friend is pro intel or anti ms or both.

  I prefer to believe they are simply wrong. They work in another company, and
they say they've had problems with athlons. Maybe they did something wrong.

>  Here is the only thing I will say
>against AMD: they do not give MS the technical errata for their chips and intel
>does.  I know a guy who actually "discovered" a bug in an Athlon running at a
>certain speed where it would randomly jump to a kernel mode address and bugcheck
>the system.  It turns out they knew about this already but hadn't bothered to
>tell anyone.  FYI: it's been fixed and it happened only at a "slow" clock speed
>by today's standards.
>
>Finally, win2k server and pro use a different scheduling algorithm for thread
>dispatching.  You will find server is less responsive under heavy stress than
>pro for a couple of reasons: the quantum is longer on server and there is no
>"interactive process boost" on server.  That means on pro the process owning the
>window that has user focus is getting scheduled with a longer quantum than
>others.  Since server is designed to be, well, a server, this is not done.
>Having tested NT under more stress than you can imagine, I'm pretty confident
>that it handles well under massive load.  I'm a bit biased but I'd be surprised
>if linux did as well.

  My friends told me they were runnung IIS 5 and, everytime a .asp page had a
problem, the whole system was "almost hang". They changed to NT 4 and the
problem dissapeared. But I haven't seen it with my eyes, so I don't know if they
made any mistake in 2k.

>>  I'd like to hear opinions and alternative suggestions. It could be worth to
>>try Linux (they say 'MySQL' is free and works fine), but I'm not used to Linux.
>>Maybe WinNT works better than Win2000?
>
>NT == Win2k == WinXp.  Its the same kernel.  I'd really really recommend against
>NT4.0.  There are literally tens of thousands of bugs that were corrected in
>win2k.  I'm not kidding.  The delta is not as great between 2k and XP... XP has
>some more efficient algorithms in the kernel for memory management and
>synchronization to look forward to though.  I'm surprised 4.0 was as stable as
>it was.  2k is a good choice I think.  Or get XP client when it releases later
>this fall.  Or get linux or freebsd or whatever... I've had a lot of good luck
>with both.  Plus you can't beat the price...

  I'd really like to learn about Linux, but I have so little time... and that
little free time I have is "used" by my girl (you know, "come on! let's go out!
don't wanna be at home watching tv while you waste your time with that evil
machine...").

  José C.

>Good luck,
>Scott
>
>>  This is not a commecial post at all. I just need advice.
>>  BTW, apart from this database task, I'll use the computer mostly for chess...
>>So not that OT ;)
>>
>>  José C.



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