: As players explore more chunks or build complex redstone farms, the server's "TPS" (Ticks Per Second) can drop from the ideal 20 down to unplayable levels.
The "Vanilla" server.jar is excellent for small, private groups but struggles as the world grows.
: While you can double-click it, most experienced users recommend using a batch script (.bat) or terminal command. This allows you to allocate specific RAM (e.g., java -Xmx2G -jar server.jar ) and see error logs if something crashes. Performance & Scalability