[THIN] Re: RAMDISK
- From: "Bernd Harzog" <Bernd.Harzog@xxxxxxxxxxx>
- To: <thin@xxxxxxxxxxxxx>
- Date: Sun, 15 Feb 2004 09:28:48 -0500
I would be very interested in knowing if anyone has been able to use a =
RamDisk in terminal server environment to any great effect. Here my =
concern. You have 4GB of addressable memory in Windows NT/2000/2003 when =
running on 32 bit chips. Let's say you have 4GB of RAM on a server, and =
an 8GB page file (12 GB of virtual memory). If you take 512MG of RAM and =
make a RAM disk, you may cause the OS to take 512MB of stuff that was in =
RAM in put it on the page file. In other words you are simply robbing =
Peter to pay Paul with no net gain.
If someone has results that are different than what I have outlined =
above, I would be very interested to hear about it
Best Regards,
Bernd Harzog
CEO
RTO Software, Inc.
bernd.harzog@xxxxxxxxxxx
678-455-5506 x701
www.rtosoft.com
-----Original Message-----
From: Alexander Danilychev [mailto:teknica@xxxxxxxxxxx]=20
Sent: Sunday, February 15, 2004 12:06 AM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] RAMDISK
Run into an interesting site regarding RAMDISK. There might be =
interesting=20
uses for Citrix related applications:=20
http://home.tiscali.be/ir006712/RAMDisk/RAMDisk.htm
Based on Microsoft RAMDisk sample (Q257405). Code for original "free"=20
version 1.0 is available here:
http://codeguru.earthweb.com/system/RAMDisk_src.zip
Free version or $10 for "extended" version 2.2.
Here is some info from the site:
"A RAMDisk acts as a virtual drive on your system. It allows you to =
create=20
directories, copy files to and from it, etc.... The data however is not=20
written onto a hard disk, but remains purely stored into a particular =
part=20
of your RAM memory. Hard disks have mechanical parts that allow to seek =
to a=20
particular position on the magnetic storage media and to read/write =
data.=20
This make them relative lazy. A RAMDisk can read and write the same data =
to=20
upon 30-60 times faster than a hard disk ! However, the data stored in =
your=20
RAM is "volatile" : it disappears when you cut off the power to the RAM=20
memory, with other words, if you turn off your system. This applies to =
the=20
content of the RAMDisk too !"
ALEX
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