[THIN] Re: High processor usage at logon
- From: "Ron Oglesby" <roglesby@xxxxxxxxxxxx>
- To: <thin@xxxxxxxxxxxxx>
- Date: Fri, 16 Jul 2004 08:05:49 -0500
Processor usage while users are on will very greatly depending on the
apps they are running. If you are running a simple term em app or
notepad, then very little processor is sued. If you are using a CAD
program that constantly does huge amounts of calculations you will eat a
bunch of proc.
As for logons this sounds pretty normal. As long as it's a SPIKE. A
spike of a few seconds is totally ok, I mean think about what is going
on and even look at a normal workstation at logon, session starts, in TS
printers and drives are connected, logon scripts are running, if you
have a roaming profile that has to get copied and loaded, etc etc.
Don't sweat it.
Ron Oglesby
Senior Technical Architect
Microsoft MVP, Windows Server
RapidApp, Chicago
Office 312.372.7188
Mobile 815.325.7618
email roglesby@xxxxxxxxxxxx
-----Original Message-----
From: Nick Smith [mailto:nick@xxxxxxxxxxxxxxx]
Sent: Friday, July 16, 2004 7:28 AM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] High processor usage at logon
I have a TS 2003 Server (No Citrix) running with currently a max of 13
users - so far. This is a production server, but it's not high-powered
as it's our first.
I'm using perfmon to monitor, and am very pleased so far with what it's
telling me. Max memory usage is 34% (Only 1 GB of RAM), which goes up
from 13% when idle - so each user is using about 1.5% of my not large
RAM.
The bit that puzzles me - and worries me a little - is my processor
usage. This averages around 2% almost all the time - which surprises me
as I was expecting TS to start eating cycles. However, when people log
on, it shoots up to 60% usage very briefly(I presume while creating the
session and printers) before reverting immediately to it's usual 2%.
Now, 60% usage doesn't worry me very much in and of itself. What does
worry me is that as my users mount up, presumably I will get more
processor usage in the 'background'. Then the surge of +58% may start
getting me close to limits and start causing slowdowns.
SO, questions; (A) Is this low processor usage reasonably normal? (B) At
what point can I expect it to start ramping up?, and (C) and most
important: Am I right to be worried about the logon 'surge'? And if so,
is there anything I can do about it.
BTW, I know I should test this with more clients, and will when I have
the time and resources; I also know all environements are unique (FWIW
I'm simply publishing a desktop with standard Office Apps available).
What I'm hoping for is any generalised thoughts.
Many thanks,
Nick
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expertise, proprietary software and best practices, EOL provides
custom-tailored solutions for each client?s mission and specific goals.
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