[mrtg] Interval: 1 and heartbeat settings.

PAUL WILLIAMSON pwilliamson at mtb.com
Fri Dec 4 20:29:24 CET 2009

>>> Gene Titus <gene at ots.utsystem.edu> 12/4/2009 1:56 PM >>>
> Greetings,
> I'm testing MRTG with 1 min intervals and noticed 
> that the rrd databases that get created have a heartbeat 
> set to 600. That's the same as the heartbeat on 5 minute 
> (default) interval rrd databases. What is the effect of a 5 
> minute heartbeat on 1 minute intervals? 
> Thanks,
> Gene
In this page:
It says:

Note that unless you are using rrdtool you can not set Interval to less than 5 minutes. If you are using rrdtool you can set interval in the format 
Are you using RRDTool?  If using log files, the interval can not be set to less than 5 minutes.  Also, when using RRDTool, you need to set the interval before the creation of the rrd, otherwise no matter how you change it, the heartbeat will stay the same.

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