I've found an interview on a german game site.
Some interesting stuff was told there.
The number of 4 million player shall be the number of people, that at least had a subscription at some point.
Actually there shall be 2 million active players.
The EU datacenter is still work in progress. There will be a downtime of 2 to 3 days for moving (or better copying) the existing state to the new servers.
Yoshida actually plays Bloodborne.
