I am sort of new to Linux hosting. I am having problems with the server using large amount of CPU. I have seen my server use around 9% without anyone online at the time. This was without any plugins installed and complete vanilla (bukkit). My server has a 2.5 GHz Quad core, 4GB DDR2 RAM, (Not sure on the HDD But the map is running off a Ram Disk). I have seen it to where I will get upwards of 90% CPU usage (on that core) with only 5 or so people online. Is there something I am missing that I should know about to help fix this? If anyone can help me, Please do. Thanks ahead of time.