[Nix-dev] Hydra: infinite CPU and RAM consumption in evaluator

Christian Theune ct at flyingcircus.io
Thu Jan 19 11:12:37 CET 2017


Hi,

ok, so the best way getting back to a working Hydra was the tip about running the system from a checkout and hydra from a checkout.

Picking the versions from Hydra’s own Hydra job to see which ran fine resulted in a ~10day  old nixpkgs and the most current Hydra version running properly.

I’ll keep that as the reference procedure for future updates.

Nevertheless, it looks like we may have introduced poisonous code that sends the evaluator off into infinity. We’ll come back when we find out what it was.

Cheers,
Christian

> On 18 Jan 2017, at 19:02, Christian Theune <ct at flyingcircus.io> wrote:
> 
> hi,
> 
> jobsets changing can be broken for the moment, but thanks. Especially seeing that I need to go directly to head.
> 
> Appreciated!
> 
> Christian
> 
>> On 18 Jan 2017, at 18:55, stewart mackenzie <setori88 at gmail.com <mailto:setori88 at gmail.com>> wrote:
>> 
>> The next problem you will have is this:
>> https://github.com/NixOS/hydra/issues/445 <https://github.com/NixOS/hydra/issues/445>
>> 
>> remove those changes and you will be able to add jobsets.
> 
> --
> Christian Theune · ct at flyingcircus.io <mailto:ct at flyingcircus.io> · +49 345 219401 0
> Flying Circus Internet Operations GmbH · http://flyingcircus.io <http://flyingcircus.io/>
> Forsterstraße 29 · 06112 Halle (Saale) · Deutschland
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> 
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--
Christian Theune · ct at flyingcircus.io · +49 345 219401 0
Flying Circus Internet Operations GmbH · http://flyingcircus.io
Forsterstraße 29 · 06112 Halle (Saale) · Deutschland
HR Stendal HRB 21169 · Geschäftsführer: Christian. Theune, Christian. Zagrodnick

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