Network and machine resource consumption for Nagios

[Patrick Morris]

On Wed, 10 Dec 2008, Kenneth Holter wrote:

> Is there any resource consumption with regards to network or server/client machines to worry about when running Nagios? We're running active checks, i.e. the Nagios server uses SSH to run plugins on the client side and gather the information.
> 
> I guessing that the per service per check interval load on the network is a matter of a couple of very small packets travelling between the Nagios server and the Nagios client. And on the client side it is only a matter of running small, simple scripts that causes very little processing overhead. Thus, all in all there shouldn't be much of a overhead to talk about when running Nagios? Of course, it all depends on the check interval and the number of checks, and if anyone knows any nagios check per processing/network capacity ratio please speak up.

Apologies for the upcoming non-answer, but...

Nagios is very configurable and customizable, and any overhead on either
the client or server is completely dependent on what you've configured
it to check, and how you're checking it.

In the absence of any knowledge about what that might be, it's really
impossible to come up with even a wildly inaccurate ballpark figure.

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