Telemetry rate metrics are missing data
Issue
- When getting the measures for rate metric (cpu_util or any *.rate metric), there's some points missing in time
- If
controllerA
treats samplecpu
frominstanceA
, it will store the value in its local cache. - If
controllerB
treats the samplecpu
frominstanceA
during the next polling, it's not aware of the predecessor, so it will drop the sample after storing it in its cache, thus creating a hole in the measures.
Environment
- Red Hat OpenStack Platform 10
- Red Hat OpenStack Platform 11
- Red Hat OpenStack Platform 12
- Red Hat OpenStack Platform 13
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