[THIN] Re: Context Switching

  • From: "Tim Mangan" <tmangan@xxxxxxxxxxxx>
  • To: <thin@xxxxxxxxxxxxx>
  • Date: Tue, 13 Jun 2006 11:20:01 -0400

Theory A:  25,000

Theory B:  250,000 (if you aren't going to do anything about a red alert,
why have it?)

 

tim

 

  _____  

From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf
Of HBooGz
Sent: Tuesday, June 13, 2006 9:37 AM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: Context Switching

 

Hey Guys --

Thanks for the help on this.

The reason i bring this up is i am running Metaframe XPe FR3 and i have
configured Resource manager to alert me when certain thresholds are reached.
I left the default setting on Context switching and every so often i receive
a ton of messages indicating the alert status has moved from green to yellow
and green to red. 

I suppose i'd like to know what other Citrix admins have this setting set to
?

I'm currently running a Poweredge 2500

Dual PIII 1.4 with 2GB of RAM

RAID 1 holding the OS and RAID 5 holding the profiles and current Datastore.


Thanks,

On 6/13/06, Braebaum, Neil <Neil.Braebaum@xxxxxxxxxxxxxxxxx> wrote:

> -----Original Message-----
> From: thin-bounce@xxxxxxxxxxxxx
> [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf Of HBooGz 
> Sent: 12 June 2006 20:44
> To: thin@xxxxxxxxxxxxx
> Subject: [THIN] Context Switching
>
> Can someone provide a lucid explanation as to what context 
> switching is ? what's considered high ? and what to do to
> elimnate any issues related to high context switching ?
>
> Thanks,

Context switching is when execution switches between kernel mode and 
user mode, or vice versa.

As to what's high - well that can be subjective. A lot of the documents
that have been around for a while have some rather low and outdated
figures for this.

As to your last question, it very much depends on what it is that's 
causing it. It could be poorly written, or badly used apps or drivers.
It could be symptomatic of load, it could be due to insufficient
resources.

Neil



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-- 
HBooGz:\> 

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