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Groups > comp.os.linux.misc > #7032

Re: high load average in idle state

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On Tue, 15 Jan 2013 22:40:02 -0800, CaptainKirk_StarTrek wrote:

> With linux kernel 2.4.22-1.2199.nptlsmp (I know, it's very old)
> Sometimes Load average increases to big value (over 7) but my 4 vCPU are
> in idle state (5% busy every cpu). My web procedure was gone down so I
> found out that process (with 4732 process id, see my following output)
> was in 'uninterruptible sleep' state (classified as 'D ').
> I want to be sure high load average has been caused from process in
> 'uninterruptible sleep', what way ??
> I run several tools to diagnose this behaviour to understand reason for
> similar state of this process, what resources is it waiting ?
> Can you help me please ?
> 
> I show commands which I run:
> 
> 
> Current Load Average :: 7.52 7.55, 7.57

STAT of D generally means waiting for disk I/O. Every one of those
contributes to the load number. Looks like your disk is running so
slow/busy that the daily updatedb cron jobs are overlapping making
it even worse.

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high load average in idle state CaptainKirk_StarTrek <rickyleroy2011@gmail.com> - 2013-01-15 22:40 -0800
  Re: high load average in idle state Joe Beanfish <joebeanfish@nospam.duh> - 2013-01-16 14:23 +0000
  Re: high load average in idle state William Burrow <will@localhost> - 2013-01-17 00:30 -0400

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