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 ajs124 | so. I was going through my hydra config earlier and found some settings I'm setting, but don't remember why and was wondering if they should be used and if so how.
namely max_concurrent_evals, evaluator_workers, evaluator_max_heap_size and evaluator_initial_heap_size.
I can't find any documentation on them anywhere. | 21:54:57 |
 das_j | Related comment: https://github.com/NixOS/hydra/pull/888#issuecomment-812931745 | 22:07:23 |
| 25 May 2021 |
|  Florian | W3F changed their display name from Florian | W3F to Florian - OO 30.05.. | 06:39:56 |
| ajs124 | In reply to @andreas.schraegle:helsinki-systems.de
so. I was going through my hydra config earlier and found some settings I'm setting, but don't remember why and was wondering if they should be used and if so how.
namely max_concurrent_evals, evaluator_workers, evaluator_max_heap_size and evaluator_initial_heap_size.
I can't find any documentation on them anywhere. I dug through the source myself. This is what I came up with:
# evaluator_initial_heap_size is basically equivalent to GC_INITIAL_HEAP_SIZE and defaults to 384MiB
# evaluator_max_memory_size is… "If our RSS exceeds the maximum, exit. The master will start a new process.". defaults to 4096 (I assume MiB)
# evaluator_workers is how many parallel evaluator workers are used. defaults to 1
# max_concurrent_evals defines how many evaluations are run concurrently. defaults to 4
evaluator_max_heap_size was removed
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| lewo | There are some evaluation errors on the community Hydra instance because of a recent change on Hydra:
error: worker error: error: cannot evaluate a function that has an argument without a value ('declInput')
https://hydra.nix-community.org/jobset/simple-nixos-mailserver/.jobsets#tabs-errors | 20:02:24 |
| lewo | Is there a recent declarative jobset example? | 20:02:48 |
| das_j | In reply to @lewo:matrix.org
Is there a recent declarative jobset example? https://git.helsinki.tools/helsinki-systems/hydra-nixos | 20:04:45 |
| lewo | das_j: oh, thank you! Looks like a lot of changes have been pushed :) | 20:07:09 |
| lewo | das_j: your Hydra instance is publicly exposed? | 20:08:51 |
| das_j | In reply to @lewo:matrix.org
das_j: your Hydra instance is publicly exposed? I'd rather not expose that code to the Internet ;) | 20:10:15 |
 @grahamc:nixos.org | brutal lol | 20:11:38 |
| das_j | Well public hydra is probably not that much of a problem since it contains nothing that can't be exposed to the Internet anyway. Like customer-related data | 20:12:34 |
| lewo | I read https://github.com/NixOS/hydra/blob/master/doc/manual/src/projects.md#generated-declarative-projects but still don't undestand why hydra-eval-jobset doesn't provide a declInput value when evaluating my declarative spec file. | 20:48:54 |
| lewo | The doc explicitly says:
hydra will also pass the declInput argument corresponding to the input fetched in step 1
| 20:49:36 |
