!zghijEASpYQWYFzriI:nixos.org

Hydra

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12 Mar 2023
@magic_rb:matrix.redalder.orgmagic_rb

how does the nixos.org hydra manage to evaluate all of nixpkgs? in my testing, GC will never happen and it'll OOM, is that normal and hydra.nixos.org has a ridicolous amount of RAM or am I doing something weird? I tested with my own hydra instance and `nix eval –json .#hydraJobs` where all the values are `lib.seq v v`-ed but it still didn't GC

17:15:47
@magic_rb:matrix.redalder.orgmagic_rb

Interestingly, trying on the command line with `hydra-eval-jobs` succeeds in GCing, so im perplexed as to why it fails on my hydra instance

17:23:24
@k900:0upti.meK900You need like 8GB to eval all of nixpkgs for all the systems 17:25:20
@k900:0upti.meK900It's not that much really 17:25:23
@magic_rb:matrix.redalder.orgmagic_rb

hmm, i'm giving my hydra 4 IIRC and it still fails to evaluatue my nixosConfigurations

17:25:48
@magic_rb:matrix.redalder.orgmagic_rb

ill retry today or some time this month

17:25:56
@magic_rb:matrix.redalder.orgmagic_rb

im giving it 8GB actually

17:26:22
@hexa:lossy.networkhexa
In reply to @k900:0upti.me
You need like 8GB to eval all of nixpkgs for all the systems
that sounds a bit optimistic
17:27:03
13 Mar 2023
@grahamc:nixos.org@grahamc:nixos.orgmaybe with zram..14:01:52
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14 Mar 2023
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