[rrd-users] Replacing cricket

[Tobias Oetiker]

Sean,

could it be that you are polling 32bit counters and are suffering
from wraparound effects ... use 64bit counters

cheers
tobi

Yesterday Sean Whitney wrote:

> We're in the process of replacing cricket with our own rrdpoller.  Everything seems to be going great except that as we look at the graphs we're seeing some discrepancies in the peaks.
>
> Here is a copy of two graphs, http://tinypic.com/r/2hyxoue/5
>
> The cricket graph is on the bottom and our graph is on the top.  The time right before midnight Saturday is telling because the interface throughput was maxed out (hence the flat top on the cricket graph).  Our graph shows these strange spikes that are bigger than the interface capacity.
>
> The difference in the RRD
> The cricket graphs were created with a step of 300, but because of scaling issues it's being updated every 600 seconds.  Our graph was created with a step of 600 and being collected at 600.
>
> Any idea's where we need to look to figure out where these strange spikes are originating from?
>
>
> Sean
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> =======================================
> Sean Whitney
> PMB #120, 16505A SE First Street
> Vancouver, WA  98684
> T. 360.326.2740
> C. 360.607.7945
> F. 815.364.0687
> aim: seanmwhitney
> email: sean at visionary-networks.com
> skype: visionary_networks
> =======================================
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-- 
Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
http://it.oetiker.ch tobi at oetiker.ch ++41 62 775 9902 / sb: -9900