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Alarm Template: smart baseline behaviour

Solved25.02K views6th July 2022alarm template baseline
0
Alberto De Luca [DevOps Enabler]4.60K 18th November 2021 0 Comments

Hi Dojo,

I've been running a test with the smart baseline config, same option as shown in this post to detect continuos degradation (over 7 days): for some reason, though, even if the Delta was exceeded at a given time (simulated a drop to 0 for the bitrate), the root time of the alarm did not coincide with the bitrate drop to zero - it was some hours later: this is shown in the trends, as the minor violation (light blue) kicks in after - when our test feed dropped to zero we didn't have an alarm (the axis has still the green colour):

Wondering if this can be related to the "auto" option or if there is something else that I'm missing:

When leaving the "Auto" option checked, what root time is expected for the alarm?

Alberto De Luca [DevOps Enabler] Selected answer as best 6th July 2022

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Thomas Ghysbrecht [SLC] [DevOps Enabler]4.84K Posted 1st December 2021 2 Comments

Hi Alberto,

That behavior does seem to be unexpected. We took a look at this with a few colleagues but currently do not have an idea on what is causing this. Could you share the following?:
- Alarm template of this parameter
- Value of this parameter from the last 7 days. (A screenshot of the trend graph containing this period would be great)

We will have another look at it then. Thanks.

Alberto De Luca [DevOps Enabler] Selected answer as best 6th July 2022
Alberto De Luca commented 9th December 2021

Thanks Thomas, adding screenshots – I think the issue was with the lower delta rather than the automatically updated baseline – I’ve realised when I got this feedback on a related post: https://community.dataminer.services/question/alarm-template-baseline-delta-range-vs-high-or-low/

Alberto De Luca [DevOps Enabler] commented 6th July 2022

Marking this as solved, as the observed behaviour was due to misconfiguration in the test set-up

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