[THIN] Re: Citrix Load Evaluator / Total Sessions per Server & Application
- From: <TBarnhart@xxxxxxxx>
- To: <thin@xxxxxxxxxxxxx>
- Date: Mon, 23 Feb 2009 16:33:54 -0700
Eric,
We disabled session-sharing, due the amount of memory per session that our
application used. In some places of the application our users have 4-6
child-windows open to get to their work-area in the application. From what we
discussed w/ Citrix Support - that's eating up a good portion of the available
session-memory.
(And we had to stay w/ 32-bit Win2k3, due to the Application & Vendor. This
wouldn't be as much of an issue w/ 64-bit.)
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Citrix\wfshell\TWI\
SeamlessFlags=DWORD:1
We have the whole issue of 32MB per session - where we bumped it to the REGHACK
to use the full 80MB per session w/ 32MB used for Video.
With our load-evaluator set to 20-30 users and 80MB - 1.5GB to 2.4GB for total
user-session memory on a 4GB box - I figured we're good to go.
Thanks,
Troy
-----Original Message-----
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf Of
Layman, Eric
Sent: Monday, February 23, 2009 3:38 PM
To: 'thin@xxxxxxxxxxxxx'
Subject: [THIN] Re: Citrix Load Evaluator / Total Sessions per Server &
Application
Look at the seamless flags on that server vs the others. The option to session
share on a fully loaded server could be affecting your count, assuming your
hardware is identical...
----- Original Message -----
From: thin-bounce@xxxxxxxxxxxxx <thin-bounce@xxxxxxxxxxxxx>
To: thin@xxxxxxxxxxxxx <thin@xxxxxxxxxxxxx>
Sent: Mon Feb 23 16:34:22 2009
Subject: [THIN] Citrix Load Evaluator / Total Sessions per Server & Application
Hey all,
We've had a small issue for the past year, and I can't seem to find an answer
about it.
We started a new 4.5 farm this time last year and have an application that is
published & load-managed across 20 servers.
There is a custom load-evaluator is built on these 4 "Assigned Rules":
Application User Load, Load Throttling, Memory Usage, Server User Load.
Overall, this load-evaluator appears to be working well for our userload; per
server and per application.
Except... One server seems to always have about 10-20% more total sessions then
the other 19 servers.
Over thousands of session - the 19 servers will all be within a range of 100 or
so total sessions, but this one server will be always at the top of the list
for total sessions by several hundred more sessions for any time period.
Theoretically - all of these are equal.
At anytime I run a "qfarm /app" (during average workday) - all of my servers
are in the 4500-6000 load range.
In the "Presentation Console" everything is running against this load-evaluator.
Also, We have Citrix Edgesight collecting data, that looks normal other than
the total session count.
My performance statistics appear fairly normal at anytime we take a look.
The application is installed identically across the 20 servers.
Anyone have any ideas?
Thanks,
Troy
Troy Barnhart, Sr. Systems Programmer
tbarnhart@xxxxxxxx
Regional Health, Inc.
353 Fairmont Boulevard
Rapid City, South Dakota 57701
PH: 605-716-8352 / FAX: 605-716-8302
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