[rrd-developers] Re: Where to fix time modulo step problem?

[Tobias Oetiker]

Hi David,

Note that rrdtool will select the best coverage with a resolution
equal of better to the one required for drawing the graph. This
means that in smokeping context they only problem is probably that
the graphs are drown until 'now' ... could you try adding

--end -$x

where $x is the number of seconds in one step of the appropriate
RRA resolution for the graph ...

in any event, a patch for rrdtool which makes the rrd_fetch
algorithm smarter, putting a healthy balance between coverage and
resolution match would certainly be appreciated ...

cheers
tobi

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