[rrd-users] Re: Stop it creating averages of the values.

[Serge Maandag]

> Sorry I think it was me describing my situation badly... the 
> commands I am using to update the rrd file are...
> 
> rrdtool update test_1_errors.rrd N:0
> rrdtool update test_1_errors.rrd N:4
> rrdtool update test_1_errors.rrd N:8
> rrdtool update test_1_errors.rrd N:12

Ah, it was me that did the bad reading, sorry.

> So (to the best of my understanding) it should be COUNTER or 
> DERIVE and as it can overflow (it jumps back to 0 if the 
> monitoring process
> restarts) i chose COUNTER.

Counter protects against counter wraps. Not against randomly 
resetting counters. Counter is alright, but you need to do 
something yourself against counter resets yourself.

I think your problem is that you expect 4 to come out when you
put in a difference of 4. But what comes out is 4/step.

You can use a cdef to multiply by the step again before plotting.

Serge.

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