[rrd-users] More observations and questions on COUNTER

[Philip Peake]

On 10/23/2010 11:44 PM, Tobias Oetiker wrote:
> Hi Philip,
>
> about storing NAN, I would suggest the following:
>
> Yesterday Philip Peake wrote:
>
>> On 10/23/2010 10:49 AM, Simon Hobson wrote:
>>> I don't want to see what's in the database. Please provide a set of
>>> update values that reproduce the problem. If we don't know what went
>>> in, then we cannot even guess at whether what comes out is correct or
>>> not.
>> Ok - added a print of the data that is supplied to rrdtool, then dropped
>> the connection to force a read error.
>>
>> This is what was passed to the DB:
>>
>> 1287865680:80720496:21353409:88678191:121292820:21641300:65478015:23557328:95055770:104725771
>> 1287865710:80721285:21354274:88679077:121294030:21642052:65480082:23558714:95056884:104726886
>> 1287865740:80722122:21355290:88679970:121294992:21642728:65482047:23559995:95057766:104728008
>> 1287865770:80723194:21356148:88680872:121295888:21643313:65484024:23561517:95058921:104729359
> 1287865780:U:U:U:U:U:U:U:U:U
> 1287865781:0:0:0:0:0:0:0:0:0
>> 1287865830:0:0:0:0:0:0:0:0:0
>> 1287865860:0:0:0:0:0:0:0:0:0
>> 1287865890:0:0:0:0:0:0:0:0:0
>> 1287865920:0:0:0:0:0:0:0:0:0
>> 1287865950:0:0:0:0:0:0:0:0:0
>> 1287865980:0:0:0:0:0:0:0:0:0
>> 1287866010:0:0:0:0:0:0:0:0:0
>> 1287866040:0:0:0:0:0:0:0:0:0
>> 1287866070:0:0:0:0:0:0:0:0:0
>> 1287866100:0:0:0:0:0:0:0:0:0
>> 1287866130:0:0:0:0:0:0:0:0:0
>> 1287866160:0:0:0:0:0:0:0:0:0
>> 1287866190:0:0:0:0:0:0:0:0:0
>> 1287866220:0:0:0:0:0:0:0:0:0
>> 1287866250:0:0:0:0:0:0:0:0:0
>> 1287866280:80739444:21371669:88696608:121313195:21655956:65519543:23582106:95072573:104743263
>> 1287866310:80740228:21372452:88697358:121314100:21656508:65521468:23583236:95073263:104743944
>> 1287866340:80740899:21373269:88698173:121315111:21657190:65523385:23584208:95073908:104744613
>> 1287866370:80741789:21374232:88699086:121316178:21657895:65525380:23585369:95074622:104745350
> also note that you might rather want to use
>
> DERIVE instead of GAUGE with a value range from 0 to the maximum
> rate.
>
> This will turn counter restes into Unknown automatically and will
> not do any 32bit or 64bit counter wrap magic.
>
> cheers
> tobi
>

I am using COUNTER not GAUGE. What I am interested in is the number of
events per period, not the cumulative total, which is what the data
source provides, so I'm looking at the difference between successive
samples.

Philip