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BTRFS Assistant Is Trolling me
(lemmy.blahaj.zone)
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this post was submitted on 15 Oct 2025
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Yes, that is objectively a lot of free space.
Of course there are some uses where it won't last long but they're very exceptional as filesystems go.
On my desktop, I have about 200GB free, which is about 10%, which feels like the bare minimum, and the only reason I haven't upgraded yet is that there's some large directories I can archive should it be necessary.
On my server, I recently was down to about 500GB free, also about 10%, which made me add more drives.
So it's all relative.
SSD's can't edit a sector, but do a copy-modify-write operation. Having little spare sectors left means this data needs to be cached and can lead to significantly slower operating speeds.
Leaving 10% free is a very healthy habit I always recommend, and this counts for phones too.
I wouldn't say a gamer is remotely exceptional, some modern games take up 200+GiB (which is ridiculous, but still reality)
If you're a content creator or hobbyist that does anything with video, photo or audio, that's gonna disappear in a flash. For example, I came back with ~30GiB of RAW photos from my last weekend away, and that's before any processing which will create some intermediate TIFF/DNGs. If it was a week away I'd not even be able to pull them all onto my PC to process.
Hell, I'd be worried about using most of that up by just cloning and compiling a Linux kernel, I think last time I needed to do that I ended up using about 50GiB
I'd say sure, the average web browsing, word processing user you're probably thinking of is going to be fine for a while, but all other use cases aren't exactly exceptional.
70GiB was a good amount of free space about a decade ago, not really at all today
Yeah, I do video editing as a hobby. I have the raw footage on my external drive, but every time I render it makes sense to do it to this SSD. It goes fast.
I'm not sure how you're compiling the kernel to take up 70GB, my Linux directory hovers around 6GB.
I was doing some awful manual patching trying to get some Linux TV kernel patches into a raspberry pi kernel I was cross compiling on my main desktop.
IIRC I had both repos cloned for quick reference/source of truth and then a third I was using to do the actual work on. I remember running a
dusummary on my working directory with it all in at the end, and it was somewhere between 40-50GB.There was probably a more space efficient way to achieve what I was doing, but there was no need to worry about that