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Handle deprecated "cpu_util" metric

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The "cpu_util" metric has been deprecated a few years ago.
We'll obtain the same result by converting the cumulative cpu
time to a percentage, leveraging the rate of change aggregation.

Change-Id: I18fe0de6f74c785e674faceea0c48f44055818fe
This commit is contained in:
Lucian Petrut
2023-10-10 14:29:06 +03:00
parent 922478fbda
commit 00fea975e2
9 changed files with 74 additions and 31 deletions
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doc/source/configuration/configuring.rst
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@@ -372,7 +372,7 @@ You can configure and install Ceilometer by following the documentation below :
#. https://docs.openstack.org/ceilometer/latest
The built-in strategy 'basic_consolidation' provided by watcher requires
"**compute.node.cpu.percent**" and "**cpu_util**" measurements to be collected
"**compute.node.cpu.percent**" and "**cpu**" measurements to be collected
by Ceilometer.
The measurements available depend on the hypervisors that OpenStack manages on
the specific implementation.