High latencies problem.

[Brad O'Hara]

Can you provide a link to the code?

Brad

On Thu, 19 Feb 2009 19:12:24 -0800
"D. Emmanuel Feinsmith" <daniel at danielemmanuelfeinsmith.com> wrote:

> Another note on this, the event broker that I am referring to can
> both buffer results in memory (to queue them up until Nagios is
> ready), and it can also queue them up in a dynamically sized Sqlite
> database, which also removes the command pipe size limitation. I have
> seen it handle 50,000 to 75,000 service check results on a dual CPU
> box with 4g RAM without any problem or significant latency issues.
> These kind of results were the basis for my earlier statement that
> the fundamental internal code of nagios is pretty fast, you just need
> to find quick ways to get the data in.
> 
> Once nagios has captured the raw host and service check results,
> it's pretty efficient, even in the 2.x codeline.
> 
> Daniel.
> 
> On Feb 19, 2009, at 5:18 PM, D. Emmanuel Feinsmith wrote:
> 
> > I have implemented an open source Nagios Event Broker which is a  
> > multi-threaded Event Broker written in C which replaces NSCA and  
> > inserts the service/host check results directly into the internal  
> > nagios check result queue, completely bypassing the command pipe
> > and the command pipe reader thread. It also allows you to do
> > remote command execution and a bunch of other things.
> >
> > Daniel.
> >
> > On Feb 19, 2009, at 3:05 PM, Paul Fitzpatrick wrote:
> >
> >> I am also using the command pipe to submit passive service checks  
> >> via nsca to a master nagios host which does notifications and
> >> runs event handlers.   I am also interested in knowing what is
> >> the alternative to the command pipe referred-to by Daniel.
> >>
> >> On Thu, Feb 19, 2009 at 1:51 AM, <yann.jouanin.list at intelunix.fr>  
> >> wrote:
> >>
> >> Could someone light me about how to use something else than
> >> command pipe to
> >>
> >> improve performance?
> >>
> >>
> >>
> >>
> >>
> >> On Tue, 17 Feb 2009 08:32:32 -0800, "D. Emmanuel Feinsmith"
> >>
> >> <daniel at danielemmanuelfeinsmith.com> wrote:
> >>
> >> > Alessandro,
> >>
> >> >
> >>
> >>  Its inefficiency primarily arises when it needs to either
> >>
> >> > receive passive checks (through the command pipe bottleneck)
> >>
> >>
> >>
> >> >
> >>
> >> > The key to nagios scalability and latency reduction is to educe  
> >> the #
> >>
> >> > of fork/exec's to the smallest amount possible and keep away
> >> > from  
> >> the
> >>
> >> > command pipe as much as you can if you are passive-check heavy.
> >>
> >> >
> >>
> >> > Daniel.
> >>
> >>
> >>
> >>
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------------------------------------------------------------------------------
Open Source Business Conference (OSBC), March 24-25, 2009, San Francisco, CA
-OSBC tackles the biggest issue in open source: Open Sourcing the Enterprise
-Strategies to boost innovation and cut costs with open source participation
-Receive a $600 discount off the registration fee with the source code: SFAD
http://p.sf.net/sfu/XcvMzF8H