Bukkit/CraftBukkit — pull request #801 by urndel (2012-06-19 07:01:54+00:00)
Title: Multihreading support for multiple worlds

This pull request is to enable multithreading by updating worldServers in their own thread.
It compiles and runs fine with just me on the server. However it might still cause issue.

https://bukkit.atlassian.net/browse/BUKKIT-1829