> The cost effective way to do it is in the cloud.
This. Some cloud providers offer VMs with 4GB RAM and 2 virtual cores for less than $4/month. If your goal is to learn how to work with clusters, nothing beats firing up a dozen VMs when it suits your fancy, and shut them down when playtime is over. This is something you can pull off in a couple of minutes with something like an Ansible script.
This. Some cloud providers offer VMs with 4GB RAM and 2 virtual cores for less than $4/month. If your goal is to learn how to work with clusters, nothing beats firing up a dozen VMs when it suits your fancy, and shut them down when playtime is over. This is something you can pull off in a couple of minutes with something like an Ansible script.