[mrtg] Re: mrtg slow

[William Owen]

Rather than dumping all of your configs into one file, consider making one
Master.cfg file and then using includes putting all of your separate configs
in:

#global options like workdir, runasdaemon ect...
WorkDir: /path/to/work/dir

Include: /path/to/cfg1.cfg
Include: /path/to/cfg2.cfg
.
.
.
Include: /path/to/cfg110.cfg

This way MRTG loads once and then sequentially parses through all of your
existing config files.  You will want to make sure you move global stuff
like WorkDir to the master.cfg and out of the individual ones as you might
run into precedence issues otherwise.

If you still have issues, you can make several other master configs that
hold a fifth of your configs as Include: statements and then stager a
different one to run every minute.

-----Original Message-----
From: McGlinchy, Alistair [mailto:Alistair.McGlinchy at marks-and-spencer.com] 
Sent: Tuesday, September 27, 2005 3:48 PM
To: Richard F. Hart II
Cc: mrtg at list.ee.ethz.ch
Subject: [mrtg] Re: mrtg slow

Richard,

> To answer your questions. I am running a P3 1.2Ghz box with 
> 512MB of RAM. I am trying to poll about 110 targets every 5 
> min. I have a config file for each target and a line in the 
> crontab for each target (110 lines). 

Ah, that makes sense now. Your crontab is running 110 copies of mrtg at
the same time. You want to put all your targets in one CFG file, that
way your computer only needs to run one version of MRTG every five
minutes.   You should be able to get 200-500 targets in one CFG file
before considering running mrtg in parallel.

Eg:

WorkDir: ..\Active\
Refresh: 300

Target[One]: etc....
Options[One]: ...
...

Target[Two]: etc....
Options[Two]: ...
...


Target[Three]: etc....
Options[Three]: ...
...



HTH

Alistair

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