[Nix-dev] cache.nixos.org retention

Eelco Dolstra eelco.dolstra at logicblox.com
Wed Dec 10 08:28:04 CET 2014


On 09/12/14 23:47, Richard Wallace wrote:

> I'm just wondering what the retention policy is on cache.nixos.org
> <http://cache.nixos.org>.  I just went to build a project on a new OS X machine
> that is using a nixpkgs from a few weeks ago.  I was surprised to see that many
> basic packages like zlib, gnu tools, perl and a bevy of others weren't fetched
> from the cache but were built from scratch.
> My best guess as to why is that it's because maybe the retention policy on
> cache.nixos.org <http://cache.nixos.org> is less than I thought.  If there is
> another explanation I would love to hear it, otherwise I may be needing to set
> up a proxy for these situations.

Actually, there is currently *no* garbage collection on cache.nixos.org at all,
binaries are kept forever. The actual problem is that our Mac OS X build machine
broke down so there are no up-to-date OS X binaries in the Nixpkgs channel.

Eelco Dolstra | LogicBlox, Inc. | http://nixos.org/~eelco/

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