[mrtg] Re: Too many hosts in single mrtg config files

[Alex van den Bogaerdt]

tony bourke wrote:

> Here are a few tips that might help as well:

Sound advice.  I'll add some sound and hopefully some advice:

> 1:  Use a dedicated (or mostly dedicated) machine to do MRTG collection.
> MRTG is disk I/O intensive at a high number of devices, and the less it's
> doing other than MRTG the better.

Using rrdtool as the back end helps a lot here.  It is still better
to use a dedicated machine though.

> 2:  Split the machines up into different config files.  A config file for
> HP, another for network, another for Solaris.  This is a real benefit for
> dual processor boxes, since you've got semi-multi-threadedness out of it.

Try running several processes simultaniously even on a single processor.
While one instance is waiting for an answer from the device, another can
use the processor while a third uses the disk.  In stead of having
multiple mrtg config files running you could also try the "forks" option.

cheers,
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