For all of out there using NDO and MySQL "just" for Nagvis there is a new cool module called mklivestatus, which directly communicates with the Nagios core. Therefore you don't need the relatively slow NDO broker and database anymore.

From Nagvis website:

The mklivestatus module provides a unix socket for data exchange. The main advantage of this module is that it provides direct access to the status information in the Nagios core without storing any information in a database or file. This way it is extremely fast to get the status information since it is only CPU time needed to gather those information. No disk IO or memory processing at all.

To be able to use the mklivestatus backend you need to extend your Nagios core with the livestatus eventbroker module. The module can be downloaded here. The documentation on how to install the module can be found here. Additionally you may need to extend your PHP with the socket extension.

Its a cool module and makes Nagvis enterprise ready!!!! :-)

Cheers
Daniel