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Not a problem per-se, more of a question as to why this could possibly be happening.

When I wake up my computer after awhile of being in sleep mode (>1 hr i'd say), it takes quite awhile to become usable, the bottleneck being the HDD, which spikes to max for about 2 mins, and it is quite slow during this time. This is not particularly a problem, as it arises from me keeping way to many things open, usually running at about 90% ram usage, and more on the page file.

Now here's the weird part. See the drive config below to make sure you understand what's going on. During this time, not only is Disk 1 at 100% (which i would expect, since it is running the OS that is waking up), but Disk 0 is also pegged at 100% for the same time period, sometimes longer even! Why would this be happening when it doesn't contain any OS files in use? While some of the documents I have open are saved on that drive, it is not a significant number, and shouldn't account for more than ~30 MB.

Resource monitor tells an interesting story. Pagefile.sys seems to be located on drive G: (which is the windows 7 partition on Disk 0). This, under the process name "System" seems to be what's taking most of the disk time on wake. However, C:\swapfile.sys takes a significant portion as well.

So I suppose my question has morphed into this: What is the difference between pagefile and swapfile, and why is one of them located on a disk that my OS is not.



System Info:

Laptop (HP dv7t-7000)
Windows 10
8 GB of ram
core i7-3610QM
2 HDDs:
-Disk 0: Originally came with the computer (1 TB) contains an old Win7 installation and recovery partitions for it. I use it often to save files to
-Disk 1: (360 GB) I'm running windows 10 off of a 75 GB partition on it. It also includes a corrupted vista install, the recovery partition of a different computer, and a bunch of random linux distros.

Blaine
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1 Answers1

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The file C:\swapfile.sys is pagefile for the new store apps. So after resume, Windows reads the memory from the file so that the new apps can resume working. This file is fixed to be in C:. The normal pagefile can be moved and configured in control panel like in all other Windows versions before.

To fix your slowness, install Windows on a SSD.