[AG-TECH] Gentner App CPU utilization

[Jay Beavers]

Yes, setting the priority lower won't reduce CPU utilization at idle
state, but it will allow other programs of higher priority to take away
CPU utilization as they need it.

It will cause APWare to suffer considerably as you near 100% CPU, but if
you normally would run less than 100% CPU in your stable state, APWare
should do OK.

 - jcb

-----Original Message-----
From: Allan Spale [mailto:aspale at evl.uic.edu] 
Sent: Tuesday, March 26, 2002 7:29 AM
To: Jay Beavers
Cc: Osland, CD (Chris) ; Goss-Walter Torsten; ag-tech at mcs.anl.gov
Subject: Re: [AG-TECH] Gentner App CPU utilization


Jay,

I apologize for being too quick with my sending of e-mail.  Further
review seems to indicate that when I have a lot of activity with another
program like Adobe Acrobat, the CPU usage for APWare falls and increases
for Acrobat (depending on usage activity).

I will try it next on the display machine and see how it performs.


Allan
EVL at UIC
node-op  

On Mon, 25 Mar 2002, Jay Beavers wrote:

> Has anyone tried adjusting the process priority of APWare and seeing 
> if that helps the situation?  The shorthand way to do this is to bring

> up task manager, select Processes, right click on the app name, and 
> choose Set Priority -> Low.
> 
> If someone tests this out and finds it of use, I'll produce a little 
> shell app that will autolaunch the Gentner exe in low priority as well

> as feed the source code of how to programmatically change the process 
> priority back to the Gentner folk for inclusion in a future update.
> 
>  - jcb
> 
> 
> -----Original Message-----
> From: Osland, CD (Chris) [mailto:C.D.Osland at rl.ac.uk]
> Sent: Monday, March 25, 2002 6:33 AM
> To: 'Goss-Walter Torsten'; ag-tech at mcs.anl.gov
> Subject: RE: [AG-TECH] Access Grid Installation
> 
> Torsten,
> 
> I don't know whether you've been looking at ag-tech recently, but here

> at RAL (and many locations have reported the same
> problem) there is a severe problem with the Gentner control software 
> (AP-ware) running in the same machine as anything else.  We have 
> fallen fowl of this, thinking that it was daft to use a whole machine 
> to control a 9600 baud serial line. We are now looking at trying to 
> squeeze the fourth machine back into our 
> racks-designed-for-3-computers!
> 
> For the rest, others have made most of the relevant comments, although

> I would also note that there are problems fitting all the required 
> cards into a single machine (if that was a direction you were thinking

> of going) as well as the problem of one failing application possibly 
> taking out another if it is in the same machine.
> 
> Cheers
> 
> Chris Osland
> 
> ____________________________________________________________________
> Chris Osland                         Office tel: +44 (0) 1235 446565
> Digital Media and Access Grid      Medialab tel: +44 (0) 1235 446459
> BIT Department             Access Grid room tel: +44 (0) 1235 445666
> e-mail:   C.D.Osland at rl.ac.uk               Fax: +44 (0) 1235 445597
> 
> CLRC Rutherford Appleton Laboratory (Bldg. R18)
> Chilton, DIDCOT, Oxon OX11 0QX, UK
> 
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> 
> 
> -----Original Message-----
> From: Goss-Walter Torsten [mailto:torsten.goss-walter at dwd.de]
> Sent: 22 March 2002 09:49
> To: ag-tech at mcs.anl.gov
> Subject: [AG-TECH] Access Grid Installation
> 
> 
> Hello,
> 
> we are planning to set up an Access Grid node and combine it with 
> another video conferencing system, i.e. VCON from Siemens. We try to 
> recycle as much
> hardware as possible, especially the beamer, the cameras and the
> microphones, which we want to use for both systems (shouldn't be a
> problem,
> I think).
> 
> According to the Access Grid hardware spec from Robert Olson, at least

> four computers are needed for display, video capture, audio capture 
> and control.
> 
> ... two questions:
> 
> 1. Is anyone of you already using a combined video conferencing 
> system, e.g. Access Grid and VCON, on the same hardware plattform?
> 2. Does anybody have any experiences with using less than four servers
> for
> Access Grid? Is it possible to combine some of the functions, e.g.
video
> capture + audio capture on one machine by using a faster server?
> 
> Thanks for your answers in advance,
> 
> Regards
> Torsten
> 
> --
> Torsten Goss-Walter
> Deutscher Wetterdienst 
> 
> E-Mail: Torsten.Goss-Walter at dwd.de
>