Nagios 2014R2.3 on VM HIGH LOAD SPIKES

[carlos.atos]

Hi luke, Luke I, agree with you but with a VM the drivers are provided by Vm-tools

I have dowloaded the latest upgrades for centos 6.6 using

Code: Select all

yum update

then reinstalled the VM-tools and rebooted the server, now 4 hours has passed and the load has started to increase ,but to lower levels. ( you dont have these ones on the demos version http://nagiosxi.demos.nagios.com/nagiosxi/index.php?# ).I will leave it during the night, to see what happens

TOP 13-01-15.PNG

I didn't saw anything weird related with hardware on the Host.

But lets see how it goes during the night.

I'll let you know news tomorrow.
cheers

[sreinhardt]

It's possible that vmware tools might have an impact on this. How much so, I am unsure. Let us know what happens, and we can go from there.

[carlos.atos]

hello Spencer,

It's showing the same beahviour but with lower values (close to 10 and one spike of 25).

localhost-current_load Jan14.jpg

the VM tools and the Centos Upgrade definitely have done something. the Nagios at least is more manageable, but still is not right for a production environment.

Now, my question.
what else can I do to get is working properly?

Cheers.

[abrist]

How many cores are in this box?

[carlos.atos]

hello,

The Nagios VM has 1 Core , The physical Server has 4 cores (1595Mhz).
I'm thinking in set this VM in other Hardware in order to discard any physical inconsistency.

Cheers,

[abrist]

How many checks per 5 minutes is this server running. 1 core may not be enough . . .

[carlos.atos]

hello I have configured 8 host for ping services and 2 SNMP routers for network traffic. ( not so heavy load for this , i think)
Everything have been configured using the wizards.

Cheers,

[abrist]

None of the top outputs explain why load average is so high. If you watch top when experiencing a load spike, what is causing the largest cpu usage?

[WillemDH]

I would give the Nagios VM at least two cpu's, Carlos, even with a low number of hosts, the better performance is worth it. I would at least give it a try. There could be one process lokcing cpu. It could even be there is some job running in vmware itself. When I take a snapshot for example, cpu load is spiking too.

Grtz

[lgroschen]

Carlos,

I suggest going with Willems suggestion. Bring the VM down, crank up the cpu's to 2 and maybe give it a little extra memory. Then test everything out an run top while testing the host machine.