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Visual Overview – Show weighted average of different SLAs

Solved1.44K views2nd March 2022SLA Visual Overview
2
Jens Vandewalle [SLC] [DevOps Enabler]9.44K 24th February 2022 0 Comments

Hi Dojo,

On a country visual we show the SLA severity and availability of each region.
Now we want to see the average of the whole country. This should be a weighted average by taking the number of inhabitants of each region in account.

How can we achieve this knowing that we want to show this weighted average value on the same visual and monitor it?

serge riviere [SLC] [DevOps Member] Answered question 2nd March 2022

3 Answers

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3
Ruben Vandepitte [SLC] [DevOps Advocate]2.28K Posted 24th February 2022 0 Comments

In case it's purely a matter of visualization, you could launch an automation script in the background whenever the Visio drawing is opened.

The script calculates the weighted SLA average and pushes it back into a session variable, which is then visualized.

In case you require monitoring, trending, etc... a custom driver is probably the only way, as indicated by Matthias.

Ben Vandenberghe [SLC] [DevOps Enabler] Selected answer as best 24th February 2022
3
Matthias Declerck [SLC] [DevOps Advocate]2.75K Posted 24th February 2022 2 Comments

Hi Jens,

Would it be possible to use the following placeholder in the shape:
"[Avg:X,Y,Z]"

Available from DataMiner 9.5.8 onwards.
Average of a list of entries, e.g. X, Y, Z (which will be parsed to numbers).

Also, it should be possible to use local session variables: push the number into a variable and use the variable in the placeholder.
Example: "[Avg:[var:numberX],[var:numberY],[var:numberZ]]"

Matthias Declerck [SLC] [DevOps Advocate] Posted new comment 24th February 2022
Jens Vandewalle [SLC] [DevOps Enabler] commented 24th February 2022

Hi Matthias, that would work if the Availability is already multiplied with the number of inhabitants. Is there a multiply function in Visio?

Matthias Declerck [SLC] [DevOps Advocate] commented 24th February 2022

As discussed, It would seem you will need a separate driver for this.
Why? parameter value can be used to monitor, to aggregate and to display in Visio.

1
serge riviere [SLC] [DevOps Member]44 Posted 2nd March 2022 0 Comments

Thanks to Jens Vandewalle who built a specific driver, weighted (taking in account the population for each city) and unweighted (RAW) SLA average are now available. This allow our customer to expose both metrics to their end users.

serge riviere [SLC] [DevOps Member] Answered question 2nd March 2022
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