Purpose of generation mode INTERNAL_SERVER
I am interested in running DH server-side. I see that I should run /dh pregen to pre-load LODs in a wide area. From the documentation I can see that INTERNAL_SERVER mode modifies the pregen to generate chunks in addition to the LODs. Is there an actual purpose/benefit to this? I understand that it can increase the file size dramatically and it probably slows the pregen.
Solution
The other reason for using it is to have the vanilla chunks pregen and saved, so that the vanilla generation and LoD updates don’t slowdown the server when players move around