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In comparison it seems Debian is using 1/100th of it https://www.debian.org/mirror/size .

I guess that reflects the fact that debian is a distro from another time, when you had to be mindful of the resources you consumed.

But i too wonder if they really have to keep everything around.

One has hard dependencies with Nix, so a modification down the line will cause a cascading recompilation.

As mentioned, you doesn’t have to, but it has great value to be able to checkout any version.

sure, but at 425TB i'm guessing they're storing either everything in full or everything in full and uncompressed.

and compression can do a lot for text files like sources etc. for example (last time i did that) the linux kernel source code was about 1.2GB uncompressed, but ~60-70MB in tar+gz format.

surely there must be a way to reduce that size.

It's stored compressed with xzip

> I guess that reflects the fact that debian is a distro from another time, when you had to be mindful of the resources you consumed.

I am inclined to argue that the fact NixOS is having this problem and discussion goes to show that you *still* have to be mindful of the resources you consume :)

While public cloud resources may seem infinite to some, at least the depth of the pockets of those shouldering the resulting costs should not.

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