[rrd-users] RRD Interpolation

[Gérard CORBEHEM]

Hi,


I have a big pbm.

I would like to insert and use   « exact »  values   with RRD to generate my
graph.

But RRD the interpolation is a big problem for me.



One Datasource.  5000 values for example.

A value is sent every 60 second



I have created my RRD

rrdtool create test.rrd  --step 60  DS:test:GAUGE:300:0:U  RRA:LAST:0.5
:1:5000

No average (…)  needed.





I send my value every 60 second but impossible to insert the true value…

I have tested with a  step of 1 s    .   It's the same pbm.


#rrdtool update last.rrd N:15

#rrdtool update last.rrd N:16

#rrdtool updatev last.rrd N:17

return_value = 0

[1150270110]RRA[LAST][1]DS[test] = 1.6945031750e+01

[1150270111]RRA[LAST][1]DS[test] = 1.6945031750e+01

[1150270112]RRA[LAST][1]DS[test] = 1.6945031750e+01

[1150270113]RRA[LAST][1]DS[test] = 1.6945031750e+01

[1150270114]RRA[LAST][1]DS[test] = 1.6945031750e+01

[1150270115]RRA[LAST][1]DS[test] = 1.6945031750e+01

[1150270116]RRA[LAST][1]DS[test] = 1.6945031750e+01

[1150270117]RRA[LAST][1]DS[test] = 1.6945031750e+01







Could I turn off this rrd interpolation ?







Thks in advance.

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