Files locking might be an issue for scalability?

[Aaron M. Segura]

I believe all pertinent information regarding host/service status is
kept in memory and only written out to a file periodically for other
uses...

probably...I could be wrong.

On Tue, 2007-04-10 at 12:12 -0300, Sebastian Ganame wrote:
> Hi guys,
> I'm kind of a newbie not only with Nagios, but also with all
> monitoring/management tools. I’ve just installed Nagios for testing
> it, and I’m successfully doing basic monitoring of a bunch of
> subnetworks, with no service monitoring yet (just pinging a few
> machines, seen how parent/child relationship affects alarming, etc).
> What I need to do is to evaluate if Nagios is suitable for a proof of
> concept I’m researching on, trying to monitor both hardware and
> services, and react if needed to meet a defined SLA for Web Services.
>             I know that Nagios is able to do this kind of monitoring,
> but as far as I understood from the documentation, Nagios saves all
> cache and status of the monitored environment in text files inside the
> file system, and I was wondering how scalable would this be when
> trying to online monitor (lets say) 10 services per machine in a 1K
> machines environment that might update their status every 10 seconds.
> Do you think text-files locking might be an issue in this case? I
> cannot found architecture details on Nagios that might answer my
> question, and maybe some of you can give me an insight on this matter.
>             Best regards,
> 
> Sebastian Ganame
> 
> 
> 
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