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How to calculate CPU Load Average

4 messages in this thread

list Venkat Yadav · Wed, 25 Oct 2017 09:19:29 +0530 ·
Hi Team,

1)Please help me how to calculate cpu load average i need to configure
alerts in xymon.
2)if i have 4 cores in server what is average load.
3)in xymon default values
   LOOAD 5.0 10.0
how to configured these values.
NOTE : which values based on configured defaults values (LOOAD 5.0 10.0 )
in xymon.

Regards
Venkat Yadav
list Ralph Mitchell · Wed, 25 Oct 2017 00:45:47 -0400 ·
Personally, I'd say that your warn and panic levels should be set to let
you know when something abnormal is happening, rather than trying to
calculate based on cores.  When you have a couple of weeks of cpu load data
in the graphs, you should be able to see the load average your server
normally runs at.  Set the warning level a bit above that so you get a
warning if some process starts hammering the cpu.  That'll tell you
something unexpected is starting.  Set the panic level somewhat higher.

Ralph Mitchell
▸ quoted from Venkat Yadav


On Tue, Oct 24, 2017 at 11:49 PM, venkat v <user-90969bebdb2c@xymon.invalid> wrote:
Hi Team,

1)Please help me how to calculate cpu load average i need to configure
alerts in xymon.
2)if i have 4 cores in server what is average load.
3)in xymon default values
   LOOAD 5.0 10.0
how to configured these values.
NOTE : which values based on configured defaults values (LOOAD 5.0 10.0 )
in xymon.

Regards
Venkat Yadav

list Bill Howe · Fri, 01 Dec 2017 21:35:19 -0600 ·
If you would like to auto calculate CPU load based on cores, there is a
script posted to xymonton.org that can do that:
https://wiki.xymonton.org/doku.php/monitors:cpu-load-calc
Yes, a little self promotion as I wrote it, but its working well in our
environment and should do the trick for what you are trying to do.
▸ quoted from Ralph Mitchell
BillOn Wed, 2017-10-25 at 00:45 -0400, Ralph Mitchell wrote:
Personally, I'd say that your warn and panic levels should be set to
let you know when something abnormal is happening, rather than trying
to calculate based on cores.  When you have a couple of weeks of cpu
load data in the graphs, you should be able to see the load average
your server normally runs at.  Set the warning level a bit above that
so you get a warning if some process starts hammering the cpu. 
That'll tell you something unexpected is starting.  Set the panic
level somewhat higher.

Ralph Mitchell


On Tue, Oct 24, 2017 at 11:49 PM, venkat v <user-90969bebdb2c@xymon.invalid>
wrote:
Hi Team,

1)Please help me how to calculate cpu load average i need to
configure alerts in xymon.
2)if i have 4 cores in server what is average load. 
3)in xymon default values 
   LOOAD 5.0 10.0 
how to configured these values.
NOTE : which values based on configured defaults values (LOOAD 5.0
10.0 ) in xymon.

Regards
Venkat Yadav

list Matt Vander Werf · Sat, 2 Dec 2017 07:00:36 -0500 ·
I use this script as well in my environment and it works very well!

(Thanks, Bill!!)

--
Matt Vander Werf
▸ quoted from Bill Howe

On Fri, Dec 1, 2017 at 10:35 PM, Bill <user-851eeb93eef8@xymon.invalid> wrote:
If you would like to auto calculate CPU load based on cores, there is a
script posted to xymonton.org that can do that:

https://wiki.xymonton.org/doku.php/monitors:cpu-load-calc

Yes, a little self promotion as I wrote it, but its working well in our
environment and should do the trick for what you are trying to do.

Bill
▸ quoted from Ralph Mitchell

On Wed, 2017-10-25 at 00:45 -0400, Ralph Mitchell wrote:

Personally, I'd say that your warn and panic levels should be set to let
you know when something abnormal is happening, rather than trying to
calculate based on cores.  When you have a couple of weeks of cpu load data
in the graphs, you should be able to see the load average your server
normally runs at.  Set the warning level a bit above that so you get a
warning if some process starts hammering the cpu.  That'll tell you
something unexpected is starting.  Set the panic level somewhat higher.

Ralph Mitchell


On Tue, Oct 24, 2017 at 11:49 PM, venkat v <user-90969bebdb2c@xymon.invalid>
wrote:

Hi Team,

1)Please help me how to calculate cpu load average i need to configure
alerts in xymon.
2)if i have 4 cores in server what is average load.
3)in xymon default values
   LOOAD 5.0 10.0
how to configured these values.
NOTE : which values based on configured defaults values (LOOAD 5.0 10.0 )
in xymon.

Regards
Venkat Yadav


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