[rrd-users] Re: graph shooting up (fwd)

[Alex van den Bogaerdt]

Forwarded message:
> 
> Suppose you enter "U" for the value.  RRDtool will process this unknown
> value.  Depending on your xff value (see rrdcreate.txt) this unknown will
> make it into the archive.
> This is what you need.

Just to make sure:  "depending on the xff value" means that you may
need to alter this.  If you want to see the unknowns, you have to make
sure that RRDtool does NOT interpolate the data when only one unknown
was received.  Normally if one sample is missed, the gap is silently
filled as normally you would not be interested in missing samples.

regards,
-- 
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