On 5/8/07, mcclnx mcc <mcclnx at yahoo.com.tw> wrote: > Recently we installed CENTOS 4.4 on DELL 2650 server. > We found CPU load always on 3 and up if we run "top" > or "w" to check. There is NO application run on this > server why CPU load so heavy? Load showed by top and w isn't cpu usage. The load average is the sum of the run queue length and the number of jobs currently running on the CPUs. If you have a process waiting to access the disk for something, you can drive your load average pretty high, while using virtually no cpu. -- During times of universal deceit, telling the truth becomes a revolutionary act. George Orwell