[rrd-users] Re: feeding rrd with not time sequenced argus data.

[Thomas Erskine]

At 05:40 2003-09-29, txemi wrote:
 >
 >Hi, I am trying to draw argus data with rrdtool, and I found next
 >problem:
 >
 >- rrdtool needs data periodically sequenced.
 >- argus gives me transaction data when some transaction is finished.

Assuming that you don't mind rrdtool doing some interpolation, there's no 
problem.  You need to set the heartbeat to some value large enough to 
ensure that you will get at least one update from argus.  Set the step time 
to whatever resolution seems reasonable for the average update interval 
from argus.

 >So if I want to draw received bytes at one machine from other I do not
 >know how to
 >feed argus data to rrd.
 >
 >Acceptable behaviour whould be something like that:
 >
 >- rrd supposes 0 bytes received if no update received at some interval.
 >I think default behaviour is guessing data from near time slots or using
 >UNKNOWN if not enough data available.
 >- rrd adds updates instead of making average if more than one
 >transaction finished
 >at some interval. I do not know default behaviour for the case when more
 >than one update
 >is done for a single time slot.
 >
 >What would be the proper method to do that? Is any of the existing data
 >inputs (GAUGE/COUNTER/DERIVE/ABSOLUTE) doing what I need? Do I need to
 >write glue code to feed rrd every time slot with data doing behaviour I
 >need? I am sure somebody had the same problem as using rrd with argus is
 >very common.
 >
 >Thanks,
 >txemi.
 >
 >--
 > ______________________________
 >< hola, soy una firma horrible >
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 >
 >mail: txemi <txemi2 at euskalnet.net>
 >web: http://txemi.webhop.org
 >mirror: http://txemi2.webhop.org
 >
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Thomas Erskine <thomas.erskine at sympatico.ca> +1.613.591.8490 


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