[Nix-dev] hydra.nixos.org stopped scheduling jobs

Raahul Kumar raahul.kumar at gmail.com
Tue Jan 6 05:11:24 CET 2015

I think an easy way to solve this is to put it to the test. I feel it is
too obvious to mention that deduplication and compression will solve the
problem. But it's all up to how much Eelco wants to waste his time. Give it
a go, you won't regret it.


On Tue, Jan 6, 2015 at 3:28 AM, aszlig <aszlig at redmoonstudios.org> wrote:

> On Mon, Jan 05, 2015 at 05:03:04PM +0100, Vladim??r ??un??t wrote:
> > Btrfs does no deduplication (by itself at least). Per-file compression
> > should help a little, but I'd expect no huge savings.
> I beg to differ, accidentally (forgot to actually enable periodic GC)
> had a 6.4 TB large Nix store on a 3 TB disk array, so it seems that the
> Nix store (or at least the one on my Hydra) compresses well enough.
> But what actually is going to be for the worse is that you can't reason
> anymore about how much disk space will be available on a btrfs volume.
> a!
> --
> aszlig
> Universal dilettante
> Version: GnuPG v1.4.10 (GNU/Linux)
> jXoAg3kyCQ0BJk5ASmIBAKDdEnB8AoQ7H4aLLHLS/cs41C/tekoq2t9YYx84bnr5
> =y+wL
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