Our experience is that Delphix generally runs best on hosts with 8 vCPUs, and this is how the majority of our customers are using Delphix. We do have customers that license servers with 16 or more vCPUs for specific workloads. The number of VDBs you can run on your Delphix Engine is determined by the overall capacity of your infrastructure. I/O throughput to the VDBs is the primary driver of resource consumption. To determine the appropriate sizing for your engine, Delphix analyzes the I/O requirements for the databases you would like to virtualize. Based on the throughput and IOPs requirements for those databases. Then we recommend appropriate performance characteristics for CPU, memory, storage, and network. Our Customer Services team offers this sizing as a service. If you are planning to grow your Delphix Engine significantly I recommend you speak to your sales rep about getting assistance with Delphix sizing.