[Nix-dev] NixOS on embedded systems

[Eelco Dolstra]

Hi,

On 07/17/2010 02:33 PM, Lluís Batlle i Rossell wrote:

>> My anecdotal evidence suggests that gcc is not the only problem. I saw nixos-
>> rebuild fail with out of memory error in an OpenVZ container with 256M of RAM 
>> while it was evaluating the config.
> 
> The amount of memory needed for nix evaluation, for the light nixpkgs I
> described with fetchurl-like attributes, can be much much less.

I'm not so sure about that.  I think the main cost in a nixos-rebuild evaluation
is in the NixOS configuration evaluation, not in Nixpkgs.

BTW, the evaluator currently still lacks a garbage collector.  If we build it
with libgc, it should run in a lot less memory.

-- 
Eelco Dolstra | http://www.st.ewi.tudelft.nl/~dolstra/