[smokeping-users] Re: Meaning of the values stored in rrd fileof smokeping
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
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
>> ping5 ping6 ping7 ping8
>>ping9 ping10 ping11 ping12 ping13
>>ping14 ping15 ping16 ping17 ping18
>>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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