Our builders currently run with the following configuration for all architectures except for ppc64el:
* CPUs: 8
* RAM: 32 GB
* DISK: 100 GB
* SWAP: 8 GB
For ppc64el we have the folllowing spec in place:
* CPUs: 4
* RAM: 16 GB
* DISK: 80 GB
* SWAP: 4 GB
Please note that hardware random number generation of the host is used.