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Solved Superfetch on SSD+HDD system?


Posts
13
#1
Hello eightforums =)

I can't find a good answer to this online, just years old posts saying disable pre/superfetch for any ssd system, so now I'm asking here:

I have a 250gb SSD as a boot drive (8.1 pro) and a 1tb HDD for storage

I have heard that Win 8 will automatically disable pre/superfetch if it detects an SSD as the system drive, as well as continue to allow pre/superfetch to operate on other drives (hdds) in the pc

Just wondering if anyone can confirm/deny this, and if there is a way to verify (other than benchmarking) that pre/superfetch is operating on my hdd but not my ssd?

Thanks in advance =)
 

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Cliff S

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Bamberg Germany

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#2
The best answer is to let Windows 8 take care of it. Windows 8(and now 10) OS's are optimized for SSD's. It will see what you have, and even if the service is still on, will apply to HDD's what HDD's need, and to SSD's what SSD's need. the only change I made is to policies in device management for disks, because I have a UPS battery backup and for my laptop too, because it has a battery:
Image 2.png Image 1.png
 

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chris1neji

New Member
Member
Posts
124
#3
I agree with Cliff as well. I think this idea of turning off those services stem from Windows 7. Windows 7 would disable those service if an SSD disk was detected, in Windows 8 however it no longer does this. It's because it got smarter about the way it was actually uses it. You will still see benefits of the 2 services in question by having it enable with an SSD. Just let the OS manage it.

Do you have a specific reason to consider turning these features off? Unless you are having a specific problem with them, there is no reason to do so.
 

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Cliff S

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#4
I actually had problems once, when I shut them off, on Windows 8.1. Certain things stopped working and I received memory error codes.

The whole thing about turning off certain services, to reduce disk writing, is outdated on todays SSD's, where you can rewrite Petabytes and not just a few hundred Gigabytes like a few years ago. A "normal" user will probably never wear a newer SSD out. If anything you'll probable buy a new PC before the disk wears out.
 

My Computer

System One

  • OS
    Windows 8.1 Update Pro in Hyper-V/Windows 10 Pro 64 bit
    Computer type
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    System Manufacturer/Model
    Cliff's Black & Blue Wonder
    CPU
    Intel Core i9-9900K
    Motherboard
    ASUS ROG Maximus X Hero
    Memory
    32 GB Quad Kit, G.Skill Trident Z RGB Series schwarz, DDR4-3866, 18-19-19-39-2T
    Graphics Card(s)
    ZOTAC GAMING GeForce RTX 2080 Ti AMP! Extreme Edition
    Sound Card
    (1) HD Webcam C270 (2) NVIDIA High Definition Audio (3) Realtek High Definition Audio
    Monitor(s) Displays
    BenQ BL2711U(4K) and a hp 27vx(1080p)
    Screen Resolution
    1920 x 1080 x 32 bits (4294967296 colors) @ 60 Hz
    Hard Drives
    C: Samsung 960 EVO NVMe M.2 SSD
    E: & O: Libraries & OneDrive-> Samsung 850 EVO 1TB
    D: Hyper-V VM's -> Samsung PM951 Client M.2 512Gb SSD
    G: System Images -> HDD Seagate Barracuda 2TB
    PSU
    Corsair HX1000i High Performance ATX Power Supply 80+ Platinum
    Case
    hanteks Enthoo Pro TG
    Cooling
    Thermaltake Floe Riing RGB TT Premium-Edition 360mm and 3 Corsair blue LED fans
    Keyboard
    Trust GTX THURA
    Mouse
    Trust GTX 148
    Internet Speed
    25+/5+ (+usually faster)
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    Edge; Chrome; IE11
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    Windows Defender of course & Malwarebytes Anti-Exploit as a
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    Router: FRITZ!Box 7490
    Sound system: SHARP HT-SBW460 Dolby Atmos Soundbar
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CountMike

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#5
My windows 8.1 are installed anew on SSD and Superfetch was and still is set on auto and running, not that it's of much help on an SSD because it's so fast. Could not see any changes with it on or off.
 

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broe23

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#6
Same here Count. I have a Crucial M500 and works like a champ. I took the old drive and use it on our Amazon Fire TV box for app storage. I have 292 GB available.

I tried my old 64 gb M4 with the Fire. It was no delay in opening game off of it. Amazon uses the same type of handling of the SSD, if it detects one.

An SSD on a Linux install will actually run faster than Windows on a SSD.
 

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CountMike

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#7
Same here Count. I have a Crucial M500 and works like a champ. I took the old drive and use it on our Amazon Fire TV box for app storage. I have 292 GB available.

I tried my old 64 gb M4 with the Fire. It was no delay in opening game off of it. Amazon uses the same type of handling of the SSD, if it detects one.

An SSD on a Linux install will actually run faster than Windows on a SSD.
I don't have any more SSDs to use on Linux as the other one is with W 10 but have Linux mint on a HDD. Just downloaded new Fedora 22 but I'm not sure which Linux distros are good for SSD, if and which one has trim etc. to run on SSD properly. For me, Linux is just a tool to do things I can't on windows.
 

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    16GB Kingston 3600
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    WD 2 TB Blue
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    Sharkoon, Silent Storm 660W
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    CCM Nepton 140xl
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LMiller7

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704
#8
Superfetch reads applications into standby memory before they are accessed. No significant disk writes are involved.

My advice would be to let Windows manage this. The danger with disabling services is that you may end up disabling more than you bargained for. Many services do more than the documentation states. Like all modern operating systems there is much about Windows operation that is undocumented. Once something is documented it is very difficult to change without compromising application compatibility.
 

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System One

  • OS
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Posts
13
#9
Alright thanks for the confirmation guys =)
I'll continue to let Windows handle it
Thanks again for your time and replies
 

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System One

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    i7
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    gigabyte gaming 5 z97
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crawfish

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Power User
Posts
454
#10
the only change I made is to policies in device management for disks, because I have a UPS battery backup and for my laptop too, because it has a battery:
View attachment 62075 View attachment 62074
Checking the bottom box is not advisable unless the drive has a PSU separate from the computer. Ordinary internal drives do not qualify, except some SSDs have capacitors that ensure buffers are flushed in the event of power loss; I think it would be OK to do it for them. To be clear, if the drive is getting its power from the PC, a UPS won't save you, nor will a laptop's battery. As the dialog box states, the drive must have its own separate power supply for it to be safe to check this box. For more, see:

Flushing your performance down the drain, that is - The Old New Thing - Site Home - MSDN Blogs
 

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broe23

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#11
Mike I was using Xubuntu and had no issues. The Ubuntu based and Fedora are good at handling SSD's. The majority of the work is done by the kernel . I liked Xubuntu, because the GUI is very lightweight. Also the OS is a lot faster than regular Ubuntu.
 

My Computer

System One

  • OS
    Linux Mint 17.2
    Computer type
    Laptop
    System Manufacturer/Model
    Toshiba Satellite C850D-st3nx1
    CPU
    AMD E1-1200 APU with Radeon (tm) HD Graphics 1.40 GHZ
    Memory
    12GB
    Graphics Card(s)
    AMD Radeon™ HD 7310 Graphics
    Sound Card
    Realtek HD
    Monitor(s) Displays
    LCD
    Screen Resolution
    1366 x 768
    Hard Drives
    Crucial M500 240GB SSD
    Mouse
    Logitech M525
    Internet Speed
    45/6 - ATT U-Verse
    Browser
    Google Chrome
    Antivirus
    None needed. It is Linux.
    Other Info
    Arris NVG589 Gateway; Router - Cisco RV320; Switch - Netgear GS108 8-Port Switch & Trendnet TEG-S50g 5-Port Switch; Access Points - Engenius ECB350, Trendnet TEW-638APB; NAS - Lenovo ix2-4; Printer - Brother HL-2280DW; Air Print Server - Lantronix XPrintServer

    A/V UPS - Tripp-Lite Smart 1500LCD 1500 Va/900 W.

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