[Nagios-devel] Future of Nagios (was Nagios is dead! Long live Icinga!)

Jeremy Hanmer jeremy at hq.newdream.net
Wed May 6 19:59:33 UTC 2009


I'm not sure why anybody thinks Nagios isn't capable of scaling to  
anything of that size.  I'm currently monitoring almost exactly twice  
that (60,000 services/6000 hosts) with 6 hosts and the load on every  
host is well under .5 (most are .1).  The _only_ reason I have so many  
monitoring hosts is that the network spans 3 physical locations and I  
need some redundancy.  I'm even using custom perl scripts for a large  
portion of the checks and I haven't needed to even consider using the  
embedded perl interpreter yet.

On May 6, 2009, at 12:25 PM, Steven D. Morrey wrote:

> DNX is designed to address pretty much what you're asking for there.
> Being the current lead developer on DNX, I am seeing it handle 3000+  
> hosts and 30,000+ services, all using just 3 boxes and we haven't  
> even begun to saturate CPU or memory so we know we can go a lot  
> further.
> You should give it a shot, if you have any questions feel free to  
> ask us on the dnx list dnx-users at sourceforge.net (to prevent spam,  
> sign up is required before posting).
>
> Enjoy!
>
> Sincerely,
> Steve
>
> ________________________________________
> From: Mathieu Gagné [mgagne at iweb.com]
> Sent: Wednesday, May 06, 2009 12:33 PM
> To: Nagios Developers List
> Subject: [Nagios-devel] Future of Nagios (was Nagios is dead! Long  
> live Icinga!)
>
> Hi Ethan,
>
> First, thank you very much for Nagios.
>
> Our enterprise relies heavily on it and Nagios has been a great
> monitoring tools for us for so many years. Up to now, nothing has
> surpassed its simplicity of use and we will continue to use it in the
> foreseeable future.
>
> On 5/6/09 11:56 AM, Ethan Galstad wrote:
>> 4. Big things are coming around the bend for Nagios.  Big things take
>> time.  Be patient for a bit longer and you'll see the results.
>
> As an enterprise looking to scale Nagios to tens of thousands  
> monitored
> hosts and services, what could be our expectations of the future
> regarding scalability?
>
> We are using NDOutils to centralize host/service status.
>
> One of our main challenge will be to optimize the configuration and
> patch Nagios/NDOutils to make reloads as fast as possible since  
> addition
> and removable of monitored hosts have a high turnover rate. (I don't
> know if it's the correct way to say it in English)
>
> Reloading Nagios so it can pickup the new configuration is viewed as a
> "flaw" by our developers team because there's no monitoring done  
> during
> that time.
>
> If we reload Nagios too often, it would simply pass the majority of  
> its
> time exporting configuration/status to NDOutils and scheduling checks
> without doing any real work at all. Too seldom and new monitoring  
> would
> take too much time before being scheduled.
>
> Any future plan regarding this aspect?
>
> Also, have you ever heard of DNX? http://dnx.sourceforge.net/
> Any future plan about a similar feature within Nagios?
>
> Thanks for your time.
>
> --
> Mathieu
>
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> processing features enabled. http://p.sf.net/sfu/kodak-com
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