[THIN] Re: The Truth about Windows 4GB Memory Limit
- From: "Brian Madden" <brian@xxxxxxxxxxxxxxx>
- To: <thin@xxxxxxxxxxxxx>
- Date: Fri, 20 Feb 2004 11:39:53 -0500
I've tested 32-bit Citrix on 64-bit W2k3 on HP Itaniums about 6 months ago.
It doesn't work, and Citrix wasn't interested in helping me to get it
working.. so we went native TS :-)
Brian Madden
brian@xxxxxxxxxxxxxxx
+1.202.302.3657
Visit www.brianmadden.com for in-depth Citrix, Terminal Server, and
server-based computing news and analysis, white papers, downloadable videos,
and product reviews.
-----Original Message-----
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf
Of Timothy Mangan
Sent: Friday, February 20, 2004 11:18 AM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: The Truth about Windows 4GB Memory Limit
That's exactly why I want to test it. I have suspicions about running 32bit
citrix in a WOW64.
-----Original Message-----
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf
Of Andrew Rogers
Sent: Friday, February 20, 2004 10:09 AM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: The Truth about Windows 4GB Memory Limit
oh yes, definitely, i know you need the 64bit version of windows, or whiche=
ver - but one of the things theyre always harping on about is how itll be g=
reat for database servers, being able to natively use more than 4gb memory =
- im curious to know if the same benefit holds true for TS.. if theyve not =
raised the 2gb barrier, then its quite clearly "no, not really" (* hopes fo=
r his sake he has that right :) )
Andrew
--o--
>>> tmangan@xxxxxxxxxxxx 20/02/04 14:51:28 >>>
You also need the new OS support, which is in beta. It happens that I'm
hoping to do such a test in the next few months. Should get some answers
then.
tim
-----Original Message-----
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf
Of Andrew Rogers
Sent: Friday, February 20, 2004 9:34 AM
To: thin@xxxxxxxxxxxxx=20
Subject: [THIN] Re: The Truth about Windows 4GB Memory Limit
In theory then, are processors like the Opteron and the coming 64bit Xeon =
=3D
(stuff the Titanic!) great for TS, then? Seeing as they natively allow for =
=3D
>4Gb without PAE, that should allow us to have oodles of memory without Win=
=3D
dows running out? (or have they still limited us to the 2Gb kernel limit??)
THAT would be an interesting experiment if anyone has the resources to do i=
=3D
t :)
Andrew
--o--
>>> brian@xxxxxxxxxxxxxxx 20/02/04 14:25:16 >>>
(2) Using the /PAE boot.ini switch will severely LIMIT your number of PTEs
(which are really needed in TS environments). Since PAE is required when
more than 4GB of memory is installed, I would recommend that Terminal
Servers do NOT have more than 4GB of memory.
(3) The "64-bit" memory addressing model that's used when PAE is enabled
does NOT remove the 2GB kernel memory limit.
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