core-updates & ‘guix weather’

[Ludovic Courtès]

Mark H Weaver <address@hidden> skribis:

> address@hidden (Ludovic Courtès) writes:

[...]

>> The weather is OK, though it’s surprisingly lower than what I’d expect
>> given that everything has been built according to Hydra/Cuirass:
>>
>> $ ./pre-inst-env guix weather --substitute-urls="https://berlin.guixsd.org 
>> https://mirror.hydra.gnu.org";
>> computing 7,047 package derivations for x86_64-linux...
>> looking for 7,348 store items on https://berlin.guixsd.org...
>> https://berlin.guixsd.org
>>   55.2% substitutes available (4,057 out of 7,348)
>>   7,756.8 MiB of nars (compressed)
>>   23,011.1 MiB on disk (uncompressed)
>>   0.000 seconds per request (2.1 seconds in total)
>>   3,553.4 requests per second
>> looking for 7,348 store items on https://mirror.hydra.gnu.org...
>> updating list of substitutes from 'https://mirror.hydra.gnu.org'... 100.0%
>> https://mirror.hydra.gnu.org
>>   37.3% substitutes available (2,744 out of 7,348)
>>   9,299.7 MiB of nars (compressed)
>>   23,535.4 MiB on disk (uncompressed)
>>   0.266 seconds per request (1,953.6 seconds in total)
>>   3.8 requests per second
>
> Hydra has certainly built far more than 37% of jobs on core updates.
> The percentage of built store items should be closer to 90% or more.

Yeah, definitely.

> I guess the discrepancy is because most of those store items had never
> been requested, so the NARs haven't yet been built.  Does that make
> sense?

No I don’t think so (I checked on hydra and ‘guix publish’ was not
creating new nars.)  And it’s really 404s not 500s that I’m getting.
Not sure what’s going on.

Ludo’.