URL response probe number of polls is inconsistent

Products

• DX Unified Infrastructure Management (Nimsoft / UIM)

Issue/Introduction

 

In few scenarios there are less than or more than 288 polls in a day for url_response probe although the polling interval is set to 5 minutes. 

 

Environment

Release : 20.x

Component : UIM - URL_response probe

Resolution

 There can be no guarantee that the probe will poll accurately 288 times and send that much times a metrics.

There can be various factors as below:

* polling interval may not accurately aligned with system hour clock. there may be cases when metric may miss by few seconds or minute to lie in day timeframe.
* It's not necessary that probe completes its processing in 5mins, rather probe starts polling on configured interval and there can be factors like processing data, network delay leading metrics.
* Further there can be various components involvement like publishing metrics and database insertions etc.