[Nix-dev] Please test Nix store auto-optimise

[Kirill Elagin]

 On Thu, Feb 12, 2015, 21:39 John Wiegley <johnw at newartisans.com> wrote:

>>>>> Wout Mertens <wout.mertens at gmail.com> writes:

> I feel this optimisation should be turned on by default but there were
some
> regressions in the past which is why it wasn't. Therefore I'd like to ask
> you to turn on auto-optimise and run optimisation once. Your disk space
and
> memory footprint will thank you.

I disagree.  The reason why I don't like this optimization is that it
doubles
i-node consumption on my main volume, for relatively little benefit.  This
slows down things like rsync-based backup considerably, for example.

John
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 But this is not a reason to have it disabled by default. You'll switch it
off if you don't like it.

By the way, personally I have nix store on a separate volume, and I guess
that's a thing many people find convenient too. Also there is no reason to
backup your root volume, just use NixOS and backup your configuration.nix!
Anyway, things to backup are also normally on separate volumes.
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