Re: [munin-users] Fwd: munin cpu usage user value

[Nicolai L. <ja...@la...>]

On 04/21/2012 01:44 PM, Ralf Kania wrote:
> I achive several mails like this:
> #############################################
> Subject: Munin notification CPU usage
> Body: WARNINGs: user is 232.36 (outside range [:200]).
> 	OKs: system is 3.52.
> I see in log that ruby takes a higher load, but the other CPUs are idle.
> Here you can see the output from the command
> "ps -eo pcpu,pid,user,args,start_time | sort -k 1 -r | head -10
>>> /tmp/cpueater.log"
> 
> Tue Apr 17 23:04:01 CEST 2012
> %CPU   PID USER     COMMAND                     START
>   107 20704 mbasoglu Rails: /var/www/webs/xxxx 22:53
>   0.4  3219 root     /usr/bin/python /usr/bin/fa Mar27
>   0.4 25926 root     /sbin/syslogd               13:35
>   0.2 15825 mbasoglu Rails: /var/www/webs/xxxx 22:21
>   0.1   468 root     [md2_raid1]                 Mar27
>   0.1 10050 snort    /usr/sbin/snort -m 027 -D - 00:07
> You can see a high load of rails on ruby.
> But I have 8 CPUs, and they are idle.
> What means the value 232 of CPU usage from munin?
> Can I increase the value to 300?

Please check if it helps to look at the munin cpu page for that server.
 At the text at the bottom.

Your "cpu" plugin is probably documented.  Log in to the server in
question and run "munindoc cpu".  This should explain the plugin
further, and also explain how to change the settings.

Nicolai