mcMMO-Dev/mcMMO — pull request #472 by Glitchfinder (2013-01-10 19:15:46+00:00)
Title: Alleviating excessive lag.

The placed block storage system was performing a saveWorld() command every time the server saved a world. Due to the nature of the block store, and the fact that most servers perform this action every 45 seconds, this can and will cause excessive lag, especially on larger servers.