[prev in list] [next in list] [prev in thread] [next in thread] 

List:       centos
Subject:    Re: [CentOS] Wield CPU load problem??
From:       Johnny Hughes <mailing-lists () hughesjr ! com>
Date:       2007-05-09 20:51:18
Message-ID: 1178743878.4716.16.camel () myth ! home ! local
[Download RAW message or body]

[Attachment #2 (multipart/signed)]


On Wed, 2007-05-09 at 00:50 +0800, mcclnx mcc wrote:
> 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.
> 

In your case, you have 2 Zombie processes ... and one running process.
Since those == 3 ... I would suspect that they are driving your load
up ... although that might not be the case.

This will tell you how to find Zombies:

http://www.debian-administration.org/articles/261

I would start there.

Thanks,
Johnny Hughes

> --- Jim Perrin <jperrin@gmail.com> 說：
> 
> > On 5/8/07, mcclnx mcc <mcclnx@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.


["signature.asc" (application/pgp-signature)]

_______________________________________________
CentOS mailing list
CentOS@centos.org
http://lists.centos.org/mailman/listinfo/centos


[prev in list] [next in list] [prev in thread] [next in thread]