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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? Thanks |
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