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

Wout Mertens wout.mertens at gmail.com
Mon Jan 5 18:54:58 CET 2015

3.6TB, yikes! Is there a way for us to see what's in the store, like a
mysql dump? Would be interesting to data-mine the dependencies and sizes

On Mon Jan 05 2015 at 6:28:38 PM 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
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