[smokeping-users] Re: Meaning of the values stored in rrd fileof smokeping

Atul Gosain atul at mindsw.com
Thu Oct 17 17:19:20 MEST 2002

Thanks tobi for such a quick response.
I have one more query.
Actually the application in which i want to use that data needs ping 
results after every minute.So for that i have to change the step value 
as 60 sec instead of 300. But after doing that, the formatting of the 
graph did not changed and everything is as it was before, allthough it 
should have more blocks between 20 min interval in the graph.(or it has 
fixed format for the graph ie. it will show value after 300 sec).

What does these values(below) mean in the smokeping config files. I 
couldnt understand their use correctly.Allthough i have read the 
tutorial of the RRDTool and also the man page, and i know the meaning of 
these RRA's individually but i couldnt get their meaning in this 
context. Why are these AVERAGE and MIN,MAX defined again and again with 
different values.

AVERAGE  0.5   1  1008
AVERAGE  0.5  12  4320
    MIN  0.5  12  4320
    MAX  0.5  12  4320
AVERAGE  0.5 144   720
    MAX  0.5 144   720
    MIN  0.5 144   720


Tobias Oetiker wrote:

>Today Atul Gosain wrote:
>>I am using smokeping and i want to use the data stored by smokeping in
>>rrd in some other application. I can do this only if i know the exact
>>meaning of all the fields which are not clear to me presently.
>>Can some smokeping user or the creator can tell what exactly the loss
>>and median values represent.
>>I assume that loss value is given in % like below  9.533333333e+00
>>represent 9.53% packet loss and median ie. 5.90126666667e-01 means .5901
>>Am i correct? If not then please correct me.
>> uptime          loss        median         ping1         ping2
>>ping3         ping4
>>        ping5         ping6         ping7         ping8
>>ping9        ping10        ping11        ping12        ping13
>>ping14        ping15        ping16        ping17        ping18
>>ping19        ping20
>>1034863500: nan 9.5333333333e+00 5.9012666667e-01 5.4466866667e-01
>>5.4843000000e-01 5.4973133333e-01 5.6049600000e-01 5.6867666667e-01
>>5.8955000000e-01 5.9096400000e-01 5.9698200000e-01 5.9911466667e-01
>>nan nan nan 5.6673000000e-01 5.7433000000e-01 5.7540000000e-01
>>5.8063000000e-01 5.8361000000e-01 5.8625000000e-01 6.0690000000e-01
>pings are stored in seconds, this is correct
>loss is absolute ... it is the number of lost packets in a single
>interval or the average number of packets lost per interval ...
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