martinh wrote:Can I also make configuration that certain solutions can only run on 1 specific cluster.
You mean server, not cluster right?
You can start a cluster containing 2 servers, only one of them running batch processors, and only the other one being visible to client access. (you only set up a Servoy Server Cluster without load-balancing in this case and hide the batch-processor server (firewall/router)).
You should also think about what the batch processors are doing - if for example they do heavy data update operations, data broadcasts will possibly still reach the main (client accessible) server using some of the CPU - if changed data will affect solution running on main server. If you do only heavy CPU processing and tasks that don't require too much traffic between servers that would be ideal.