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KDE is an international technology team creating user-friendly free and open source software for desktop and portable computing. KDE’s software runs on GNU/Linux, BSD and other operating systems, including Windows.

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Does KDE makes file transfers between hard drives slower? My laptop is too slow when copying files to my usb flash drive. (self.kde)

submitted 3 months ago by federino to c/[email protected]

14 comments fedilink hide all child comments

I have two laptops, I'll call them laptop 1 and laptop 2.

Laptop 1 is my gaming laptop, and laptop 2 is a very low-spec one that I use as a jellyfin server. Here's the neofetch result for both of them:

Laptop 1

Laptop 2

The problem

On both of them, I copied a 5GB folder from the laptop to my 3.0 usb flash drive, I used this rsync command on each:

rsync -a --progress folder_path destination_folder_path

Laptop	Average transfer speed
Laptop 1	9MB/s
Laptop 2	45MB/s

How is this possible? The Laptop 1 is way superior than laptop 2. The laptop 1 has an nvme SSD while laptop 2 has an old 320GB HDD, yet the transfer speed difference is insane.

Does KDE affect the folder copying somehow? If I copy a file on the same SSD on laptop 1, the speed reaches more than 400MB/s.

What is going on here?

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[–] federino 2 points 3 months ago (1 children)

I see. I read briefly about baloo and other kde related things and just started assuming anything I could to try and fix my problem.

But you're right, KDE should not affect anything about a file transfer, I'll try posting somewhere else later and remove KDE from my line of thought.

Thanks.

[–] [email protected] 2 points 3 months ago* (last edited 3 months ago) (1 children)

Oh yeah, Baloo can do wierd things. Shouldn't be related tho.

I'm down to help. You should investigate whether the USB standard being used is different, though both those speeds should be possible whether it's usb 3 or 2.

I assume the difference is consistent? Same files, same drive, same thing every time?

What's it rated for? If you use something like hdparm to benchmark it on each laptop, are the results wildly different?

The gnome disks tool also has drive benchmarking if you prefer a GUI.

[–] [email protected] 1 points 3 months ago (1 children)

It sounds almost like it's falling back to USB2

[–] [email protected] 1 points 3 months ago* (last edited 3 months ago)

You could try copying the same data under different circumstances.

How about to another location on the same disk? How about to a location over the network via wifi? If possible, the same test over a wired connection? If you have a flash reader and a card, try that too?

These will help rule in or out USB as a contributing factor.

Edit: further, you could boot to a live image to isolate whether it's a software issue or a configuration issue vs hardware.