[mrtg] Large Master Config Vulnerability

[Cook, Garry]

I break my master config into smaller configs. I then go one step further and run six instances of MRTG, one for each config. I'm polling at one minute intervals, so this is a necessity for me.

How do you limit the number of retries?

Thanks,
Garry

From: mrtg-bounces at lists.oetiker.ch [mailto:mrtg-bounces at lists.oetiker.ch] On Behalf Of Anson Rinesmith
Sent: Thursday, April 17, 2008 10:47 AM
To: 'Brad Lodgen'; mrtg at lists.oetiker.ch
Subject: Re: [mrtg] Large Master Config Vulnerability

You could always limit the number of retries.
A second option is to break up the master config file into other smaller files, and therefore when something breaks only that smaller portion is broken and the rest of your polls proceed without error.

________________________________
From: mrtg-bounces at lists.oetiker.ch [mailto:mrtg-bounces at lists.oetiker.ch] On Behalf Of Brad Lodgen
Sent: Thursday, April 17, 2008 11:39 AM
To: mrtg at lists.oetiker.ch
Subject: [mrtg] Large Master Config Vulnerability

Hi everyone,

I'm running a master config with hundreds of include lines and thousands of targets. This type of setup is vulnerable to errors in config files and/or changes made in the field not being immediately updated within the configs. If there are a few errors or changes out in the field to ports causing them to become 'unpollable', it causes the MRTG polling interval to go over five minutes because it's retrying those interfaces. At the moment, with only about 30 error lines in my log(equating to about 15 interfaces/targets), it's causing MRTG to take 7-9 minutes to complete polling. As this is a very small percentage compared to the total amount of targets being polled, I'm trying to figure out a way to get around this, if possible, or at least to minimize the effects.

Is anyone else running a system like this or does anyone have suggestions to try?

Thanks in advance for any help!
Brad

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