其实也不是经常性的宕机，只是今天宕机实在过分，一天宕机了N次，看看CPU占用，经常是60%+
top- 07:10:55 up 1:59, 1 user, load average: 22.55, 23.46, 29.02 Tasks: 2 total, 1 running, 1 sleeping, 0 stopped, 0 zombie Cpu(s): 67.2% user, 30.0% system, 0.0% nice, 2.8% idle Mem: 4136360k total, 3791604k used, 344756k free, 144428k buffers Swap: 6313512k total, 0k used, 6313512k free, 1943204k cached
其实Dreamhost宕机频率已经很小了，但是今天让了太窝火。
