Thanks for answaer. 1. If "w" and "top" does NOT show real CPU load, then how to check real CPU load? 2. How to check which process cause high load on "w" and "top"? Thanks. --- Jim Perrin <jperrin at gmail.com> 說： > 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 > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > ____________________________________________________________________________________ 設定安全圖章，保護您的 Yahoo!奇摩帳號不被駭客盜用！ http://tw.info.yahoo.com/seal/index.html