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Home » Microsoft » Windows Server » Windows Server General Help » SuperFetch in Server 2008 R2 RC
SuperFetch in Server 2008 R2 RC [message #163771] Sun, 07 June 2009 09:28 Go to next message
Dominick  is currently offline Dominick  United States
Messages: 26
Registered: August 2009
Junior Member
Does anyone know anything about SuperFetch in Server 2008 R2 RC?

Starting with Vista Microsoft introduced SuperFetch, to prefetch
applications if the memory is available. It was available in Windows
Server 2008, but you had to create two registry keys and then turn on
the service.

In R2 RC, the service is not there - so I suspect adding the Registry
keys does nothing. This technology seemed like a very important one in
Windows, as it made good use of the massive amounts of memory some PCs have.

I use Server 2008 as a workstation, and so I was wondering - is it gone?
Integrated into the OS? Replaced by some other technology?

I have searched the Internet and can find nothing - I hope someone can
help! I am leery to try R2 without knowing...

Thanks!
Re: SuperFetch in Server 2008 R2 RC [message #163783 is a reply to message #163771] Mon, 08 June 2009 01:53 Go to previous messageGo to next message
florian  is currently offline florian  Switzerland
Messages: 484
Registered: July 2009
Senior Member
Howdie!

Dominick schrieb:
> In R2 RC, the service is not there - so I suspect adding the Registry
> keys does nothing. This technology seemed like a very important one in
> Windows, as it made good use of the massive amounts of memory some PCs
> have.

My personal feeling and thoughts are, that SuperFetch isn't needed
anymore. It was used in Vista to boost low-RAM'ed machines that aren't
capable of using more RAM - most of them x86 bit machines that can't
handle more than 4GB (well, less than that).

Since R2 is 64bit-only, I guess there's no need to have that feature
still on board since you
(a) run a server, right? Servers are likely on a certain amount of RAM
(b) 64bit is capable of handling more RAM than 32bit systems do.

-- but that's just my thoughts on this. I've never tested SuperFetch on
Server 2008, nor did I try that on 2008R2. I was actually surprised that
they shipped SuperFetch for Server 2008 anyway.

Cheers,
Florian
--
Microsoft MVP - Group Policy
eMail: prename [at] frickelsoft [dot] net.
blog: http://www.frickelsoft.net/blog.
Maillist (german): http://frickelsoft.net/cms/index.php?page=mailingliste
Re: SuperFetch in Server 2008 R2 RC [message #163790 is a reply to message #163783] Mon, 08 June 2009 07:02 Go to previous messageGo to next message
Dominick  is currently offline Dominick  United States
Messages: 26
Registered: August 2009
Junior Member
Thanks Florian, but this confuses me a bit.

I thought SuperFetch was more useful the more RAM a system has? It
preloads apps that may get pushed out of memory by something else. Is
the argument that with a 64 bit machine with lots of memory (say 32GB),
then there won't be that much swapping in and out of memory?

Florian Frommherz [MVP] wrote:
> Howdie!
>
> Dominick schrieb:
>> In R2 RC, the service is not there - so I suspect adding the Registry
>> keys does nothing. This technology seemed like a very important one
>> in Windows, as it made good use of the massive amounts of memory some
>> PCs have.
>
> My personal feeling and thoughts are, that SuperFetch isn't needed
> anymore. It was used in Vista to boost low-RAM'ed machines that aren't
> capable of using more RAM - most of them x86 bit machines that can't
> handle more than 4GB (well, less than that).
>
> Since R2 is 64bit-only, I guess there's no need to have that feature
> still on board since you
> (a) run a server, right? Servers are likely on a certain amount of RAM
> (b) 64bit is capable of handling more RAM than 32bit systems do.
>
> -- but that's just my thoughts on this. I've never tested SuperFetch on
> Server 2008, nor did I try that on 2008R2. I was actually surprised that
> they shipped SuperFetch for Server 2008 anyway.
>
> Cheers,
> Florian
Re: SuperFetch in Server 2008 R2 RC [message #163792 is a reply to message #163790] Mon, 08 June 2009 07:52 Go to previous messageGo to next message
florian  is currently offline florian  Switzerland
Messages: 484
Registered: July 2009
Senior Member
Howdie!

Dominick schrieb:
> Thanks Florian, but this confuses me a bit.

Yeah - me too. Forget that. Dammit, I mixed that "superfetch" up with
that readyboost feature you can use to extend your memory by plugging a
USB thumb device into the machine.
--
Microsoft MVP - Group Policy
eMail: prename [at] frickelsoft [dot] net.
blog: http://www.frickelsoft.net/blog.
Maillist (german): http://frickelsoft.net/cms/index.php?page=mailingliste
Re: SuperFetch in Server 2008 R2 RC [message #163821 is a reply to message #163792] Mon, 08 June 2009 11:43 Go to previous message
Dominick  is currently offline Dominick  United States
Messages: 26
Registered: August 2009
Junior Member
Ah. They are usually discussed together.

Maybe someone has a theory. I intend to test it in a day or so, set the
registry settings and see if it's there without the service being visible...

Florian Frommherz [MVP] wrote:
> Howdie!
>
> Dominick schrieb:
>> Thanks Florian, but this confuses me a bit.
>
> Yeah - me too. Forget that. Dammit, I mixed that "superfetch" up with
> that readyboost feature you can use to extend your memory by plugging a
> USB thumb device into the machine.
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