[THIN] Re: Full desktop for 900 users
- From: "Bernd Harzog" <Bernd.Harzog@xxxxxxxxxxx>
- To: <thin@xxxxxxxxxxxxx>
- Date: Wed, 27 Nov 2002 10:56:41 -0500
Neil,
You are obviously interested and capable of having this conversation at
a level that I am not. So, you are going to get the pleasure of an email
exchange with Kevin Goodman, the inventor and developer of TScale (and
the founder of our company). I will hook Kevin up with you either later
today, or early next week.
Cheers,
Bernd Harzog
CEO
RTO Software
678-455-5506 x701
bernd@xxxxxxxxxxx
www.rtosoft.com
-----Original Message-----
From: Braebaum, Neil [mailto:neil.braebaum@xxxxxxxxxxxxxxxxxxxxxxxx]=20
Sent: Wednesday, November 27, 2002 10:44 AM
To: 'thin@xxxxxxxxxxxxx'
Subject: [THIN] Re: Full desktop for 900 users
Comments inline...
> -----Original Message-----
> From: Bernd Harzog [mailto:Bernd.Harzog@xxxxxxxxxxx]=20
> Sent: 27 November 2002 15:24
> To: thin@xxxxxxxxxxxxx
> Subject: [THIN] Re: Full desktop for 900 users
>=20
> The second quirk extends not just to Task Manager but to many=20
> of the underlying Perfmon metrics as well. This quirk is that=20
> the CPU utilization numbers that are reported (in for example=20
> the CPU column in Task Manager) do not include the time that=20
> the OS spends on Kernel Mode operations.
Not that we've had this discussion before... ;-) *but* - they *do* if
you
ask for it.
> This is why you can=20
> sometimes have an unresponsive computer (a desktop or a=20
> terminal server) and see low CPU utilization numbers. What is=20
> happening in this case is that the OS is off in Kernel Mode=20
> (doing something like reading and writing the page file), and=20
> that since Kernel Model operations block user mode=20
> operations, nothing else can happen while the computer is in=20
> this state.
Timeslices and rings? ;-)
Neil
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