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User Story
As a PRTG User, I want to get informed when a sensor's value (for example a temperature probe) experiences a sudden change in value without reaching the warning or error thresholds. Basically trigger an alarm based on |dx/dt| > Delta.
Details of User Story
There are certain measurements where a sudden change (over the course of let's say 30-60 seconds) isn't beneficial for the device we monitor. The "long term" minimum or maximum values haven't been reached but there might have been a sudden rise in power demand or a steep increase in temperature (rack door opened). It would furthermore allow the monitoring of constantly increasing processes (pages printed counter) and the alarming if a threshold gets exceeded between one or more measurements (huge print output in a short time). Some things can be achieved using the Unusual sensor detection, but the required granularity isn't possible.
Acceptance criteria
- Maximum Delta Value
- Timespan over which this Delta is evaluated
- Alarm on Rising, Falling or both change directions
Status
Open
