Copr routinely swamped by nightly builds

[Kevin Kofler]

Hi,

I have repeatedly run into insane delays (hours) for my builds to happen 
(read: to even start, i.e., to get out of the "pending" phase), because 
lately, some automated nightly builds have been monopolizing the builders 
every night. The worst are the Python 3 nightly builds from 
churchyard/python3-nightly that sometimes take hours to build (and in the 
best case, still around 50 minutes)!

IMHO, one of 2 things needs to happen:
a) Copr gets a massive increase of resources (builders) to handle the load, 
OR
b) we disallow nightly builds of huge packages such as python3 in Copr, 
because the infrastructure does not scale to that kind of load.

        Kevin Kofler