bug#43564: cuirass: Contention while registering new builds.

[Mathieu Othacehe]

Hello,

The attached screenshot shows that 9 evaluations are currently "In
progress" for "guix-master" specification.

Evaluations 16725 to 16738 are completed, 7 hours ago and 56 minutes ago
respectively. They are still shown as "In progress" because the
"register" phase in "build-packages" is not over. It is also possible to
see that new builds are registered for those evaluations, but very
slowly.

As each evaluation has to register around 50k builds, there might be
some sort of "writing" contention on the database, explaining the long
build registration time.

Thanks,

Mathieu
-- 
https://othacehe.org

cuirass.png
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