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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
(cherry picked from commit 00fea975e2)
This commit is contained in:
Lucian Petrut
2023-10-10 14:29:06 +03:00
committed by Bryan Fraschetti
parent c3640ed64e
commit b5431b2e53
9 changed files with 74 additions and 31 deletions
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3
doc/source/strategies/basic-server-consolidation.rst
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@@ -26,8 +26,7 @@ metric service name plugins comment
``compute_monitors`` option
to ``cpu.virt_driver`` in
the nova.conf.
``cpu_util`` ceilometer_ none cpu_util has been removed
since Stein.
``cpu`` ceilometer_ none
============================ ============ ======= ===========================
.. _ceilometer: https://docs.openstack.org/ceilometer/latest/admin/telemetry-measurements.html#openstack-compute