[rrd-users] Re: spikes in the graph and in the database

[Alex van den Bogaerdt]

=?iso-8859-1?Q?=22Piret=2C_Beno=EEt=22?= wrote:
> 
> We have 2 MRTG servers one with RRDTOOL under and the other one with rateup.
> We see on the RRD one that - from time to time - we have huge spikes in a BW
> graph which are not present on the rateup one.
> 
> Can somebody explain me what could cause this difference ?

You probably have a proper MaxBytes (and maybe AbsMax) statement in the
MRTG config file.  These settings are not copied over to the RRD.

Check this with "rrdtool info" and if necessary modify it using "rrdtool tune".

HTH
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