Re: High load since passing from rhas3 to centos4.8

[Kwan Lowe <kwan.lowe@xxxxxxxxx>]

On Thu, Jan 14, 2010 at 2:12 PM,  <fortin.pierre@xxxxxxx> wrote:
> We are migrating HP servers from RHAS3 to centos 4.8. Since, the load
> average is reaching really high values. Under usage we see loads of 15-20
> instead of the 0.5-1.5 we were used to.
>
> I searched a lot for information on such an issue. Iostat, vmstat, top, ps.
> But I don’t get significant hint.
>
> Cpu usage remains low, IO wait remains low, no disks are lagging, no swap
> usage.
>
>
>
> Are there some tool / other way to diagnose why the load average is high?
> Like which processes are waiting, where they are stuck. Are there calls to
> drivers or system process that are slow?

Are you by any chance now running a CPU throttling program and weren't before?
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