[vbox-dev] vbox page fusion results
Geoff Nordli
geoffn at gnaa.net
Mon Jun 7 22:56:36 GMT 2010
I am seeing something that looks a lot better now J
For a Windows Server 2008 R2 machine with 768MG of RAM, with nothing
installed.
host RAM/VMM/Shared 75564 kB
host RAM/VMM/Shared:avg 75564 kB
host RAM/VMM/Shared:min 75564 kB
host RAM/VMM/Shared:max 75564 kB
Win2008R2 Guest/RAM/Usage/Shared 75564 kB
Win2008R2 Guest/RAM/Usage/Shared:avg 75564 kB
Win2008R2 Guest/RAM/Usage/Shared:min 75564 kB
Win2008R2 Guest/RAM/Usage/Shared:max 75564 kB
Win2008R2-2 Guest/RAM/Usage/Shared 100608 kB
Win2008R2-2 Guest/RAM/Usage/Shared:avg 100608 kB
Win2008R2-2 Guest/RAM/Usage/Shared:min 100608 kB
Win2008R2-2 Guest/RAM/Usage/Shared:max 100608 kB
Can you explain why Wind2008R2 has only 75M of shared, and Win2008R2-2 is
100M?
Interestingly when I look inside the VM, I am seeing the RAM usage as
different on the two VMs:
Win2008R2: 355MB
Win2008R2-2: 277MB.
Would the difference have anything to do with the page fusion?
Since I am running a Windows host, would it also look for shared memory
pages from the host OS?
Thanks,
Geoff
From: vbox-dev-bounces at virtualbox.org
[mailto:vbox-dev-bounces at virtualbox.org] On Behalf Of Sander van Leeuwen
Sent: Monday, June 07, 2010 11:42 AM
To: vbox-dev at virtualbox.org
Subject: Re: [vbox-dev] vbox page fusion results
Wait for 3.2.4. Previous versions didn't work well for 64 bit guests.
On 7-6-2010 20:04, Geoff Nordli wrote:
Hi.
I didn't get any results on the user list, probably because it is a pretty
new function and not much non-dev use.
Can you share any results on page fusion?
Thanks,
Geoff
From: Geoff Nordli [mailto:geoffn at gnaa.net]
Sent: Friday, June 04, 2010 2:43 PM
To: Community mailing list of VirtualBox users
Subject: [VBox-users] vbox page fusion results
Does anyone have any results on some page fusions tests?
I created a clone of Windows Server 2008 R2 (64bit). I am seeing only 2MB
of shared memory.
Object Metric Values
---------- -------------------- -----------------------------------
Win2008R2-2 Guest/RAM/Usage/Total 785976 kB
Win2008R2-2 Guest/RAM/Usage/Free 385540 kB
Win2008R2-2 Guest/RAM/Usage/Shared 4 kB
Win2008R2 Guest/RAM/Usage/Total 785976 kB
Win2008R2 Guest/RAM/Usage/Free 408496 kB
Win2008R2 Guest/RAM/Usage/Shared 2008 kB
Maybe I don't quite understand how this is supposed to work, but I would
have thought we would see a much larger amount of shared memory.
Are there any tricks that I am missing?
Thanks,
Geoff
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