FWIW Linux suffers from the same problem: the default “swappiness” value
is 60 and Ubuntu recommend setting it to 10
(https://help.ubuntu.com/community/SwapFaq#What_is_swappiness_and_how_do_I_change_it.3F)
to reduce how readily swap will be used.
–
Bruce
On 4/25/2014 6:52 PM, xxxxx@flounder.com wrote:
A page should never be paged out and its physical reality removed. My
64-bit win7 8-core w/8 GB is slower than its 32-bit, 4-core, 2GB, XP
predecessor. If I let a program sit idle for a couple hours I can click
on its window, then go out and prepare a 7-course dinner for 6 people
before the app is willing to be active. The disk light would induce
seizures if I kept staring at it. There’s Something Wrong With This
Picture.(OK, I’m exaggerating a bit; it’s probably more like nuking a slice of
pizza).And are you suggesting that (a) One Size^H^H^H^HPolicy Fits All and (b)
the OS can’t tell the difference between a 64GB desktop and a 2GB phone
environment?
joe>> Memory pressure is the gating factor in phones, embedded devices, and
>> highly-dense VM deployments.
> Having observed obscene page-in effects in a 4G Windows 7 laptop which
> never commits over 2-2.5 GB, I’d say that the memory pressure should not
> be the first concern in the Windows MM. Bad page retention policies should
> concern MS more.
>
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NTDEV is sponsored by OSR
Visit the list at: http://www.osronline.com/showlists.cfm?list=ntdev
OSR is HIRING!! See http://www.osr.com/careers
For our schedule of WDF, WDM, debugging and other seminars visit:
http://www.osr.com/seminarsTo unsubscribe, visit the List Server section of OSR Online at http://www.osronline.com/page.cfm?name=ListServer