[rrd-users] Re: rrdtool missed values <1.0

Thomas Peter thomas at braindumped.com
Fri Sep 1 11:52:02 MEST 2006

sorry alex, i overlooked your post.

> > but now i continue updating...
> > 1156755660:0.9561166666666666
> > 1156757460:0.9873166666666666
> > 1156757520:1.9875833333333333
> > #why is this^ update recoded but the others not?
> > 1156763760:0.9849333333333333
> a) How much is 1156757460 - 1156755660


> b) How much is 1156757520 - 1156757460


> c) How much is 1156763760 - 1156757520


> What is your heartbeat setting?


ok, so i do misunderstand the meaning of the heartbeat.
if i expect a heartbeat of x and update at a time y with x<y i miss all my
(ok that sounds like what heartbeat could be for ;)

just an example (hopefully won't break due non fixed-width-fonts)
update time:y
x    x    x    x    x    x    x    x    x    x    x
y    y           y  y      y    y     y y    y    y

the first two updates make it through the rra, the 3. doesn't. ok.
how about the 4.?
the following updates 5-7 miss their slot. and the 8th? is it accepted, or is
only the 9th the first one, that makes it?

whoo. the rrd-topic looks so simple on the first sight, but can get rather
complex if you want to fully understand the basics.


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