prior to multicore cpus asuming the scaling was achieved horizontally, MySQL has been a good choice. But today, if your systems comprising the clusters are at l

prior to multicore cpus asuming the scaling was achieved horizontally, MySQL has been a good choice. But today, if your systems comprising the clusters are at least dual core x2 cpu, I am lead to the conclusion, as nickb points out, that is better to use PostgreSQL.