Incremental Sum (`incremental_sum`)
This modules finds the incremental sum of a period, which last value - first value.
The result may be positive (rising) or negative (falling) depending on the first and last values.
how to use#
Use it in alarms like this:
incremental_sum does not change the units. For example, if the chart units is requests/sec, the result
will be again expressed in the same units. 
It can also be used in APIs and badges as &group=incremental_sum in the URL.
Examples#
Examining last 1 minute successful web server responses:
References#
- none