High latencies problem.

Yann Jouanin yann.jouanin.list at intelunix.fr
Fri Feb 20 23:44:11 CET 2009


I also tried to write directly files to /var/spool/checkresults and I am
quite sure it improve performance a lot.

 

Yann Jouanin

 

http://www.yannj.fr

 

De : Paul Fitzpatrick [mailto:filsdepatrick at gmail.com] 
Envoyé : vendredi 20 février 2009 00:05
À : Nagios Developers List
Objet : Re: [Nagios-devel] High latencies problem.

 

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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