NDOutils and Nagios startup speed

[Mathieu Gagné]

Hi all,

We are running 5 Nagios instances (4 x Nagios2 and 1 x Nagios3) which 
are all using NDOutils. (and more without NDOutils)

Our instances are restarted frequently as we are constantly adding new 
hosts and services.

(re)starting an instance can take about 3-4 minutes because NDOutils has 
to export every configuration and status to MySQL.

Unfortunately, we can't afford this kind of downtime while 
Nagios/NDOutils is busy exporting to MySQL. Also, host/service status 
are not available while the reload is occuring.

Here is some stats:

instance, hosts, services, Nagios version
1, 2074, 4721, 3
2, 2196, 2299, 2
3, 2800, 2841, 2
4, 1, 1, 2
5, 1804, 1821, 2

NDOutils is used to retrieve host/service status from an external 
application which needs real-time data and is used by several peoples at 
the same time.

We tried to code a new CGI script and see if we could retrieve the 
status directly from Nagios but it's even slower.

If I disable NDOutils, Nagios is able to start within about 10-20 seconds.

Is there a way to speed things up? Any help would be appreciated. Thanks.

--
Mathieu

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