Re: high load average in idle state

From	William Burrow <will@localhost>
Organization	None
Date	2013-01-17 00:30 -0400
Subject	Re: high load average in idle state
Newsgroups	comp.os.linux.misc
References	<b146474b-d8ac-450f-9267-0bfddf4e4020@googlegroups.com>
Message-ID	<lbbks9-798.ln1@molokai.burrow.ca> (permalink)

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CaptainKirk_StarTrek wrote:

> 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 ?

> Mem:  3104376k av, 3020652k used,   83724k free,       0k shrd,   12088k 
buff
> 1819856k active,            1132576k inactive
> Swap: 4192956k av, 3523260k used,  669696k free                   34992k 
cached

As a guess, you are running out of memory (RAM) and the machine is swapping.

Given your machine is also many years old, upgrading RAM is probably not an 
option.  Paring down unneeded processes and avoiding overlapping long 
running processes as recommended by someone else might get you by.

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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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