[rrd-users] [rrd] Can't I turn off data smoothing for GAUGE?

Karl Fischer rrd-users at ficos.de
Fri Aug 20 13:14:41 CEST 2010


Am 20.08.2010 12:32, schrieb Alex van den Bogaerdt:
>> Alex van den Bogaerdt wrote:
>>
>>> I still worry about the next issue coming up... 1200 CDPs to display and
>>> only 600 pixels available in the graph... One bitfield is a nice
>>> nonnormalized 128, the other is 0. what is RRDtool going to do? Display
>>> 128, 0 or 64 ?
>>
>> Better still, when someone has used it as a bitmap, so 128 means one
>> thing, 64 means something else - so "fans running" and "nothing"
>> averages to "sprinklers on" !
> 
> which is exactly my point.
> 
> But in the case of two CDPs per pixel column, one could just display both.
> Problem worked around.
> 
> So the next issue comes up: how to display bit fields 65536, 32768, 16384,
> 8192, 4096, 2048, 1024, and 1, all in one graph of 100 pixels high? 
> (notice how I am avoiding consolidating 8 CDPs at graph time)


... by using a logarithmic Y-scale with a base 2 ... !?

Not only for this, but I had some other cases as well where I would have loved to
be able to change the base of the logarithmic y-axis from 10 to something else ...

my .02

- Karl



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