[THIN] Re: x64 and memory utilization - wow
- From: "Timothy R. Mangan" <tmangan@xxxxxxxxxxxx>
- To: <thin@xxxxxxxxxxxxx>
- Date: Sat, 1 Dec 2007 00:43:45 -0500
It sounds as though as more users are added, the system is getting more
aggressive at paging out to the disk.
-----Original Message-----
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf
Of Michael Pardee
Sent: Tuesday, November 27, 2007 3:40 PM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] x64 and memory utilization - wow
As we are doing our testing with x64/Windows2003 x64 standard edition,
and PS 4.5, we were expecting to see a little higher memory
utilization due to the over head of running 32 bit application in an
x64 world. What I wasn't prepared for was that the system keeps
taking that extra memory from virtual memory instead of physical
memory.
For example, on a dual, dual core IBM HS21 blade server with 8GB of
RAM and 34 people running an internal .Net 1.x application, Microsoft
Office 2003, and Internet Explorer (32 bit) we are seeing the total
commit charge of 12GB, yet we still have nearly 5GB of physical memory
available. It seems like the more users that join the system, the
more virtual memory gets used, but the available physical memory
increases. Exactly the opposite of what I was expecting.
Now I realize that Task Manager is not the best way to dig in and
monitor memory utilization, but it's been OK for a quick and dirty
look. We are not using the built in memory optimization setting, but
I may try that next to see if it helps at all.
Anyone else see this in their environments? I'm OK with the higher
memory utilization, and would be willing to add more ram if that would
really solve anything, but the numbers make me think it wouldn't use
it anyway.
--
Michael Pardee
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