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Added rateofchangesec operator to calculate change of value per second #1259

Merged
merged 4 commits into from
Jun 27, 2022
Merged

Added rateofchangesec operator to calculate change of value per second #1259

merged 4 commits into from
Jun 27, 2022

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art-vasilyev
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Added operator to calculate change between cumulative metric measures per second.

Simplified formula:

rate = (v2 - v1) / (t2 - t1)

It may be used to calculate cpu utilisation from cumulative cpu metric:

gnocchi aggregates '(* (/ (rateofchangesec (metric cpu mean)) 1000000000) 100))' id=<resource_id>

tobias-urdin
tobias-urdin previously requested changes Jun 27, 2022
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@tobias-urdin tobias-urdin left a comment

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Thanks! Please add a release note.

@mergify mergify bot dismissed tobias-urdin’s stale review June 27, 2022 08:10

Pull request has been modified.

@mergify mergify bot merged commit b83c4a8 into gnocchixyz:master Jun 27, 2022
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@tobias-urdin tobias-urdin tobias-urdin approved these changes

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@art-vasilyev @tobias-urdin