Nagios and Gearman - huge environment performance problem

[Rodney Ramos]

Thank you Mark for unveiling the idle CPU mystery! This proves that Nagios
uses just one core. It´s a big problem.

On Tue, Aug 23, 2011 at 6:48 PM, Mark Goldfinch <
mark.goldfinch at modicagroup.com> wrote:

> ----- Original Message -----
>
> > From: "Rodney Ramos" <rodneyra at gmail.com>
> > To: "Nagios Developers List" <nagios-devel at lists.sourceforge.net>
> > Sent: Wednesday, 24 August, 2011 8:21:42 AM
> > Subject: Re: [Nagios-devel] Nagios and Gearman - huge environment
> > performance problem
> >
> > But, as Daniel said, there is one thing that I can´t understand. Why
> > my idle CPU is with 87%? It´s very weird. Is there something that
> > makes the performance better? A Nagios or Operation System
> > parameter?
>
> On this particular point, the overall system CPU statistics displayed at
> the top of "top" are an average across all CPUs.  As previously mooted,
> Nagios core isn't multi-threaded, so it can only max a single core.  100% of
> 1/8 CPUs == 12.5% hence why you're seeing 87.5% idle time, 7 of your cores
> are not stressed out.
>
> Thanks,
> Mark.
>
>
> ------------------------------------------------------------------------------
> EMC VNX: the world's simplest storage, starting under $10K
> The only unified storage solution that offers unified management
> Up to 160% more powerful than alternatives and 25% more efficient.
> Guaranteed. http://p.sf.net/sfu/emc-vnx-dev2dev
> _______________________________________________
> Nagios-devel mailing list
> Nagios-devel at lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/nagios-devel
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://www.monitoring-lists.org/archive/developers/attachments/20110824/79fec7e2/attachment.html>
-------------- next part --------------
------------------------------------------------------------------------------
EMC VNX: the world's simplest storage, starting under $10K
The only unified storage solution that offers unified management 
Up to 160% more powerful than alternatives and 25% more efficient. 
Guaranteed. http://p.sf.net/sfu/emc-vnx-dev2dev
-------------- next part --------------
_______________________________________________
Nagios-devel mailing list
Nagios-devel at lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/nagios-devel