[collectd] tail plugin - how to generate counter graphs

Daniel Hilst danielhilst at gmail.com
Thu Apr 5 17:21:03 CEST 2012

On 04/05/2012 12:13 PM, Daniel Hilst wrote:
> On 04/05/2012 01:38 PM, Flyinvap wrote:
>> Hi,
>> Le 05.04.2012 11:38, Daniel Hilst a écrit :
>>> I'm using tail to count matches on a file. When I do `watch rrdtool
>>> lastupdate counter-total.rrd' I got the right numbers. But when I
>>> create the graph[1] I got an m on Y axis. What is this? Megabytes?
>> m stands for "milli" unit. Collectd and rrdtool don't know the unit,
>> rrdtool stores value without unit (if rrdtool displays 1m, the value is
>> 0.001 unit).
> Thanks for explanation.. I was confuse about my graph.. I want to see
> the current value of the counter.. not the rate of change as counter
> does. To get that I should use gauge, not counter.. I'm writing an exec
> plugin script to achieve that,
> []'s

I still can't understand why is tail putting fractions on rrd, any clue?
Follow the white rabbit!

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